Entries |
Document | Title | Date |
20080251760 | Method for selecting adsorptive composite barriers for packaging applications - A method of selecting an appropriate resin bonded sorbent composition which may be used at least for in part making an enclosure to protect contents from external humidity including the steps of: a) selecting a plurality of resins, a plurality of sorbents and a plurality of ratios therebetween to form a plurality of composites; b) calculating a plurality of failure times for the plurality of composites, wherein each failure time of the plurality of failure times is based on when an internal relative humidity of each composite of the plurality of composites is equal to the maximum internal relative humidity; c) determining which of the plurality of failure times is greater; and, d) selecting one composite of the plurality of composites based on the result of step (c). | 10-16-2008 |
20090008604 | Particulate Water Absorbing Agent, Water-Absorbent Core and Absorbing Article - The present invention provides a particulate water absorbing agent for absorbent cores which is excellent in powder conveying property, and achieves sufficient absorption performances for use in absorbent cores in particulate water absorbing agents including a water absorbing resin as a principal component, and which further is suitable for practical applications. In the present invention, characteristics that had not been known conventionally at all, i.e., “permeability potential under pressure (PPUP)” and “frictional charge being a positive charge” of the particulate water absorbing agent are regulated at a time, and furthermore, regulation of the “moisture content of 2 to 10% by weight” is perfected. Also, the particulate water absorbing agent including (A) a water-swelling crosslinked polymer having a constitutional unit derived from an unsaturated monomer containing an acid group and/or a salt thereof; and (B) water fulfills certain requirements. | 01-08-2009 |
20090045378 | Use of Water-Absorbent, Predominantly Open-Celled Crosslinked Acid-Functional Addition Polymer Foams in Hygiene Articles - Use in hygiene articles of articles formed of water-absorbent, predominantly open-celled crosslinked acid-functional addition polymer foams Abstract The use of articles formed of water-absorbent open-celled crosslinked acid-functional addition polymer foams and containing finely divided silicon dioxide and/or at least one surfactant on their surface as an acquisition and/or distribution layer in hygiene articles. | 02-19-2009 |
20090134357 | ACRYLIC ACID, WATER-ABSORBENT POLYMER STRUCTURES BASED ON RENEWABLE RESOURCES AND METHOD FOR PRODUCING SAID STRUCTURES - The present invention relates to a process for production of acrylic acid, comprising at least the following steps:
| 05-28-2009 |
20090242833 | Self-situating stimuli-responsive polymer compositions in soil additives and methods for use - Disclosed are soil additives comprised of self-situating, stimuli-responsive polymer compositions and methods of their use. In one embodiment, the polymer composition or polymer network comprises permanent cross-links and non-permanent cross-links, wherein the non-permanent cross-links are capable of being removed upon application or exposure to a stimulus, typically located within the soil. In another embodiment, the method of increasing water retention in soils includes applying a soil additive, comprising polymer networks of the present invention admixed with an aqueous solution to form a colloidal dispersion solution or suspension, to a soil surface. The suspension or colloidal dispersion solution facilitates penetration of the polymer composition through the soil surface and into the soil, migrating typically to lower water potential areas and, more typically, along drainage channels located within the soil. After penetration of the soil surface, the polymer network is then exposed to a stimulus, typically present in the soil, whereby the non-permanent cross-links are removed and the polymer composition undergoes a volumetric change. This results in the prevention, arrest or decelerated loss of water from the targeted area, for example the plant root zone, which allows for improved water usage efficiency by plants, grasses, vegetation, etc. | 10-01-2009 |
20090321682 | Production Method Of Water Absorbent Resin Powder And Package Of Water Absorbent Resin Powder - A method according to the present invention for producing water absorbent resin powder is a method for producing water absorbent resin having a surface cross-linked structure, and includes: a polymerization step in which an unsaturated monomer aqueous solution is polymerized; a drying step in which a hydrogel cross-linked polymer obtained in the polymerization step is dried; a surface treatment step in which the hydrogel cross-linked polymer or a dried hydrogel cross-linked polymer is subjected to a surface treatment; and a sorting step, carried out after the drying step, in which a foreign matter included in a water absorbent resin is color-sorted from the water absorbent resin entirely or partially. As a result, it is possible to obtain a water absorbent resin which has high properties and is less likely to be colored. In this way, there is provided the water absorbent resin powder production method in which the color sorting technique is used to remove foreign matters from the water absorbent resin. | 12-31-2009 |
20100001233 | Process for Preparing Color-Stable Water-Absorbing Polymer Particles with a Low Degree of Neutralization - The present invention relates to a process for producing water-absorbing polymeric particles by polymerizing a monomer solution comprising at least one ethylenically unsaturated acid-functional monomer less than 55 mol % neutralized and drying the resulting polymeric gel by means of a heated gas stream in at least two temperature zones. | 01-07-2010 |
20100019198 | Method for Producing Mechanically Stable Water-Absorbent Polymer Particles - A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets and postcrosslinking the polymer particles, wherein the postcrosslinked polymer particles are at least partly coated. | 01-28-2010 |
20100025629 | HUMIDITY CONTROL DEVICE - A device for controlling relative humidity in an environment with a solidified humectant composition. The solidified humectant composition is made from a humectant salt, water, and a carrier. The solidified humectant may be formed into a tablet with the aid of a binder, or it may be contained within a thermoformed felt material, a sachet, or a water permeable canister. In a preferred embodiment, the sachet is made of a micro-perforated polyester/paper/polyethylene material. Preferred humectant salts include CaCl | 02-04-2010 |
20100072421 | PARTICULAR WATER-ABSORBENT AGENT HAVING WATER-ABSORBENT RESIN AS MAIN COMPONENT - A particulate water-absorbent agent containing a polyacrylate salt-type water-absorbent resin. The agent has an absorption capacity without load of 28 g/g or higher and has a diffusion absorption index of 1.40 to 10.0 g/g min. The amount of water-soluble components in the agent, with stirring, is 15-60% by mass. The difference between this amount and the amount of water-soluble components, without stirring, is 15-50% by mass. Also disclosed is a method of making the above-identified agent. | 03-25-2010 |
20100108943 | Modified Polyimides and Moisture Interactive Materials and Products Including the Same - Moisture interactive materials and products formed with a polyimide material that includes metal salt (e.g., cobalt salt) portions imbedded therein such that the polyimide material is capable of absorbing, permeating, and desorbing moisture and such that the polyimide material changes in color depending upon how much moisture is currently retained by the polyimide material, the polyimide material being substantially free of oxide. | 05-06-2010 |
20100108944 | Absorbent Article Comprising Water-Absorbing Material - The present disclosure relates to an absorbent structure for use in a diaper for babies and infants, a feminine hygiene article and/or an incontinence article, said absorbent structure comprising a water-absorbing material, the water-absorbing material being obtainable by a process comprising the steps of A) treating a particulate, non-surface-crosslinked, water-absorbing polymer with a mixture comprising an aqueous solvent and at least one salt of a transition metal and B) irradiating the polymer treated according to A) with UV radiation, and to a process for its production. | 05-06-2010 |
20100140546 | Method for the Continuous Mixing of Polymer Particles - In a process for continuous mixing of water-absorbing polymeric particles with liquids or other particles while the polymeric particles move in the product stream direction under their own weight, at least a portion of the material undergoing mixing acquires, through the rotational movement of at least one mixing tool secured to a rotating shaft, a momentum opposite the product stream direction. | 06-10-2010 |
20100171073 | Absorbent Mixture and Product - An absorbent mixture consisting of an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent. A product consisting of a porous member containing a mixture including an absorbent such as sodium or potassium polyacrylate, a fluent wax and a channeling agent. | 07-08-2010 |
20100258762 | AQUEOUS POLYURETHANE RESIN, HYDROPHILIC RESIN, AND FILM - An aqueous polyurethane resin is prepared by reaction of an isocyanate group-terminated prepolymer with a chain extender containing polyamine. The isocyanate group-terminated prepolymer is obtained by reaction of at least a polyisocyanate containing 50 wt % or more of a non-multiple ring polyisocyanate that does not contain an aromatic ring and an aliphatic ring, or contains one aromatic ring or aliphatic ring; polyoxyethylene polyol; and a polyoxyethylene side chain-containing active compound having two or more hydroxyl groups or isocyanate groups at its molecular terminal and having a polyoxyethylene group in the side chain. | 10-14-2010 |
20100270501 | Water absorbing agent and production method thereof - The present invention provides a water absorbing agent that is excellent in a balance between a centrifugal retention capacity (CRC) and a saline flow conductivity (SFC), and a method for producing the water absorbing agent. | 10-28-2010 |
20100294988 | Method for Producing Mechanically Stable Water-Absorbent Polymer Particles - A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the particle surface is coated at least partly with at least one polymer and/or wax. | 11-25-2010 |
20100308262 | COMPOSITE GETTER FOR MANUFACTURING PHOTOVOLTAIC PANELS - The present invention refers to a composite getter for thin-film photovoltaic panels which is made with a polymer having low H | 12-09-2010 |
20100308263 | WATER ABSORBENT AND PRODUCING METHOD OF SAME - An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein. | 12-09-2010 |
20100314579 | METHOD FOR MANUFACTURING A COMPOSITE SORBER FOR THE REMOVAL OF H20 CONSISTING OF HYGROSCOPIC INORGANIC SALTS DISSOLVED IN A POLYMERIC MATRIX - The present invention relates to a method for manufacturing H | 12-16-2010 |
20100314580 | METHOD OF MANUFACTURING GEL USING POLYSACCHARIDES AS RAW MATERIALS - After adding water to the carboxymethyl carrageenan which is raw material and mixing them well, the ionizing radiation of more than fixed dose is irradiated to the obtained paste sample of fixed concentration. As a result, an excellent hydrogel in heat resistance which does not dissolve at 50° C. or more can be obtained. The manufactured gel can be used for many kinds of products. Because this gel has a biodegradation characteristic, it is possible to dispose by composting. | 12-16-2010 |
20100320418 | Aluminum Silicate Complex and High-Performance Adsorbent Comprising the Same - Provided is an adsorbent having superior adsorption properties for use as a dehumidifying agent for desiccant air conditioning which exhibits high adsorption properties at mid and high humidity ranges, and for use as a gas adsorbent of carbon dioxide, ammonia, formaldehyde and the like. A precursor suspension having a Si/Al ratio of 0.70 to 1.0 is prepared, and the precursor suspension is subsequently heated at 110° C. or higher for 2 days to synthesize a complex of a layered low-crystalline clay mineral and an amorphous aluminum silicate. The obtained complex of the layered low-crystalline clay mineral and the amorphous aluminum silicate yields excellent water vapor adsorption performance of 45 wt % or more at a relative humidity of 60%, and therefore can be used as an adsorbent for desiccant air conditioning. The complex also yields excellent carbon dioxide absorption/desorption performance of 12 wt % or more at 100 kPa to 900 kPa, and therefore can be used as a gas adsorbent for gas such as ammonia and formaldehyde. | 12-23-2010 |
20110001087 | Process for Preparing Superabsorbents - Superabsorbents are produced by polymerisation in a kneader equipped with at least two parallel shafts that also comprises elements on at least one shaft that transport the kneader's content parallel to the shafts from a feed section to a discharge section, the process comprising the addition of an inorganic powder to the kneader's contents prior to or during polymerisation and the addition of at least one other additive to the kneader's contents during polymerisation, wherein the inorganic powder is added no later than half the average residence time of the kneader's contents and the other additive is added no earlier than half this residence time. | 01-06-2011 |
20110012057 | COATED SUPERABSORBENT POLYMER PARTICLES AND PROCESSES THEREFORE - Superabsorbent material, comprising first superabsorbent polymers, coated with second clay-crosslinked superabsorbent polymers, said second clay-crosslinked superabsorbent polymers being obtainable by the step of polymerization of a solution/dispersion of polymerizable compounds and clay particles, to obtain said second superabsorbent polymers, crosslinked by said clay particles, of a weight average largest particle dimension of less than 800 nm. | 01-20-2011 |
20110012058 | Composition Having Ring Structure and Terminal Amine Groups, and Use Thereof as Flue Gas Absorbent - Disclosed is a flue gas absorbent composition which contains a compound and water. The compound has a ring structure and includes terminal primary amine groups and substituted α-carbon atoms neighboring the amine groups. Further, a use of a solution of a compound having a ring structure and terminal amine groups as a flue gas absorbent is disclosed. The absorbent composition includes a ring-structure compound having superior absorption ability when compared to conventional absorbents, thereby exhibiting excellent properties, i.e., flue gas absorption rate improved by 50 to 100% and flue gas absorption capacity improved by 200 to 400%, as compared with currently used absorbents such as monoethanolamine (MEA) and 2-amino-2-methyl-propanol (AMP). | 01-20-2011 |
20110042612 | Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity - Water-absorbing polymeric particles are produced by polymerizing a monomer solution or suspension comprising at least one unsaturated carboxylic acid, at least one hydroquinone monoether and at least one inorganic peroxide and coating the polymeric particles with at least one basic salt of a bivalent metal cation. | 02-24-2011 |
20110042613 | SWELLABLE COMPOSITIONS - Water-swellable compositions, dispersions and hydrophilic cross-linked polymer microparticles for their preparation as well as their manufactures and uses are described. The polymer microparticles are formed from a monomer blend comprising sulphonic monomer, nonionic monomer and optionally other monomers and have a volume mean average size of below 20 microns. The compositions are useful in applications, such as seals and other water blocking applications. | 02-24-2011 |
20110049425 | BIODEGRADABLE DESICCANT GRAIN AND METHOD FOR MAKING THE SAME - Biodegradable desiccant grains include 80-85 weight parts of a polylactide matrix and 20-30 weight parts of water absorbent particles dispersed in the matrix. The water absorbent particles include polysaccharide, biodegradable polymers, natural calcium carbonate, and activated charcoal. A method for making the biodegradable desiccant grains is also disclosed. | 03-03-2011 |
20110068300 | WATER-ABSORBING RESIN COMPOUND - The object of the present invention is to provide a water-absorbing resin compound, wherein the water-absorbing resin compound can retain antibacterial properties of an antibacterial metal to suppress the emission of unpleasant odors even when an organic material exists in a system in the case of using an eluting-type antibacterial agent. Thus, the present invention relates to a water-absorbing resin compound, which comprises a water-absorbing resin, an antibacterial agent having a porous material incorporating an antibacterial metal, and a metal chelating agent. Further, the present invention also relates to an absorbing material, which comprises a water-absorbing resin compound of the present invention, and a hydrophilic fiber as well as an absorbing product, which comprises a liquid-permeable sheet and a liquid-non-permeable sheet, and an absorbing material comprising a water-absorbing resin compound of the present invention, and a hydrophilic fiber between the liquid-permeable sheet and the liquid-non-permeable sheet. | 03-24-2011 |
20110095227 | RETARDED SUPERABSORBENT POLYMERS - What is claimed is a superabsorbent polymer (SAP) with anionic and/or cationic properties and retarded swelling action, which was prepared by polymerizing ethylenically unsaturated vinyl compounds. This SAP is characterized in that its swelling begins no earlier than after 5 minutes and in that it was prepared with the aid of at least one process variant selected from the group of
| 04-28-2011 |
20110114881 | Water absorbing agent and production method thereof - The present invention provides a water absorbing agent, and a method for producing the water absorbing agent. The water absorbing agent includes water absorbent resin particles, an organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and a water-soluble polyvalent cation. The method includes the step (i) of mixing the water absorbent resin particles, the organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and the water-soluble polyvalent cation with one another. | 05-19-2011 |
20110121230 | Process for Producing Water-Absorbing Polymer Particles with Improved Color Stability - A process for producing water-absorbing polymer particles, wherein at least one aliphatic aldehyde or reaction product thereof with an aliphatic alcohol, an aliphatic amine, ammonia, a hypophosphite or a phosphite is added. | 05-26-2011 |
20110121231 | RECYCLING SUPERABSORBENT POLYMER FINES - A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion. | 05-26-2011 |
20110163266 | Organic Water Retention Mix for Use on Soil - An organic mixture for retaining water in soil includes 30 to 38 kg of cellulose fiber waste or paper sludge, 8 to 13 kg of dry sawdust or wood shavings, 30 to 50 kg of top soil, 4 to 6.5 kg of manure, and 11.45 to 20 kg of calcium carbonate. | 07-07-2011 |
20110175026 | PROCESS FOR WETTING A WATER REPELLANT SOIL - Water repellent soils may be treated with an aqueous wetting composition comprising from 10 to 100,000 ppm of an anionic derivative of alkyl polyglycosides to improve the ability of the soil to be penetrated by water. This composition may also be combined with certain known wetting agents to produce a synergistic wetting effect. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 07-21-2011 |
20110180755 | Water absorbing agent and production method thereof - The present invention provides a water absorbing agent, including: water absorbent resin particles; and a modified cationic polymer compound containing a primary amino group and/or a secondary amino group, the modified cationic polymer compound being obtained by reacting, with a modifying agent, a cationic polymer compound containing the primary amino group and/or the secondary amino group, and the modifying agent containing two or more carbon atoms continuously linked, and one reactive group which reacts with the primary amino group and/or the secondary amino group. The present invention further provides a method for producing a water absorbing agent including water absorbent resin particles, the method including the step (i) of mixing the water absorbent resin particles with a modified cationic polymer compound. | 07-28-2011 |
20110204288 | Process for Producing Water-Absorbing Polymer Particles - A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is dried in a forced-air belt drier on a circulating conveyor belt and the surface of the conveyor belt has a roughness of at least 0.9 μm. | 08-25-2011 |
20110204289 | Water Absorbing Resin Particle Agglomerates and a Manufactiring Method of the Same - Provided are a manufacturing method of water absorbing resin particle agglomerates capable of producing water absorbing resin particles having a sufficiently high water retention property and a large particle size without using a special material, which process has steps of (1) a polymerization step for producing primary particles of a water absorbing resin comprising suspending an aqueous monomer solution containing an unsaturated carboxylate in an organic solvent containing a nonionic surfactant therein, and subjecting the resulting suspension to reverse-phase suspension polymerization; and (2) an agglomeration step of agglomerating the primary particles by using a water soluble solvent.; and water absorbing resin particle agglomerates stably showing a high water retention property and satisfying the following requirements:(a) 50 mol % or greater of repeating units of the polymer molecular chain of the water absorbing resin constituting the primary particles are carboxyl group-containing units and at least a portion of carboxyl groups of the carboxyl group-containing units is neutralized with at least one base selected from alkali metals, amines, and ammonia, and (b) the water absorbing resin particle agglomerates comprise, on the outer surface thereof, a portion having a neutralization ratio of carboxyl groups of not greater than 40 mol % and, inside of the water absorbing resin particle agglomerates, a portion having a neutralization ratio of carboxyl groups of 50 mol % or greater. | 08-25-2011 |
20110278500 | SYNERGISTIC COMPOSITIONS OF POLYSACCHARIDES AS NATURAL AND BIODEGRADABLE ABSORBENT MATERIALS OR SUPER ABSORBENTS - A multi-component synergistic absorbent composition includes at least one polysaccharide and at least one or more polysaccharide-based components or gelling proteins. This composition possesses synergistic effects in its capacity to absorb water, saline solutions and biological fluids, at normal pressure or under load, or to retain these fluids, or a combination of these properties. | 11-17-2011 |
20110291046 | SILICONE POLYMER DESICCANT COMPOSITION AND METHOD OF MAKING THE SAME - A molded article including a blend of a self supporting silicone polymer and a sorbent, wherein the sorbent is homogeneously dispersed within the silicone polymer. A method of forming a molding composition including a silicone polymer and a sorbent, wherein the silicone polymer includes a first silicone material and a second silicone material, the first silicone material being different than the second silicone material, the method including the steps of: a) blending the first silicone material and the sorbent into a first blended composition, wherein the sorbent is homogeneously dispersed within the first silicone material; b) blending the second silicone material and the sorbent into a second blended composition, wherein the sorbent is homogeneously dispersed within the second silicone material; and, c) blending the first and second blended composition to form the molding composition, wherein the sorbent is homogeneously dispersed within the molding composition and the molding composition is heat curable. | 12-01-2011 |
20110303872 | Water-Absorbing Polymer Particles with Improved Color Stability - The invention relates to water-absorbing polymer particles with improved color stability and to processes for production thereof, wherein the water-absorbing polymer particles comprise at least one optical brightener. | 12-15-2011 |
20110309298 | METHOD FOR SELECTING ADSORPTIVE COMPOSITE BARRIERS FOR PACKAGING APPLICATIONS - A method of selecting an appropriate resin bonded sorbent composition which may be used at least for in part making an enclosure to protect contents from external humidity including the steps of: a) selecting a plurality of resins, a plurality of sorbents and a plurality of ratios therebetween to form a plurality of composites; b) calculating a plurality of failure times for the plurality of composites, wherein each failure time of the plurality of failure times is based on when an internal relative humidity of each composite of the plurality of composites is equal to the maximum internal relative humidity; c) determining which of the plurality of failure times is greater; and, d) selecting one composite of the plurality of composites based on the result of step (c). | 12-22-2011 |
20110309299 | APPARATUS AND PROCESS FOR ISOMERIZING A HYDROCARBON STREAM - One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a first drier and a second drier adapted to receive a fluid including at least one reactant; and a reaction zone communicating with the first drier to receive the fluid including at least one reactant and with the second drier to receive the regenerant. Generally, the first drier operates at a first condition to dry the fluid including at least one reactant and the second drier operates at a second condition during regeneration with a regenerant. The regenerant can pass through a fluid tapering device for regulating the flow of the regenerant to the reaction zone. | 12-22-2011 |
20110315922 | CUSTOM WATER ADSORPTION MATERIAL - The technology disclosed herein is directed to controlling humidity levels, such as the humidity level in an enclosed environment. The water isotherm of the adsorbent material is customized through the modification of the surface chemistry of the adsorbent. By modifying the surface chemistry of the adsorbent in various ways and to varying degrees, it is possible to customize the adsorbent properties to a range of different humidity levels. Such modification can enhance the adsorbing capacity and efficiency of the adsorbent, especially with regard to low molecular weight water-soluble compounds. | 12-29-2011 |
20110315923 | COMPOSITION FOR THE PROTECTION OF MOISTURE SENSITIVE DEVICES - Improved polisiloxane composite barrier to control, preventing the ingress, limiting the level of H | 12-29-2011 |
20120001122 | USE OF HOLLOW BODIES FOR PRODUCING WATER-ABSORBING POLYMER STRUCTURES - The present invention relates to water-absorbing polymer structures at least partly comprising hollow bodies with a shell of an inorganic or organic material. The invention further relates to a process for producing water-absorbing polymer structures, to the water-absorbing polymer structures obtainable by this process, to a composite, to a process for producing a composite, to the composite obtainable by this process, to chemical products, for instance foams, moldings or fibers, to the use of water-absorbing polymer structures or of a composite in chemical products, for instance foams, moldings or fibers, and to the use of hollow bodies with a shell of an inorganic or organic material. | 01-05-2012 |
20120037847 | Water absorbent resin production method, water absorbent resin, and usage thereof - A method for producing a water absorbent resin by (i) polymerizing a monomer including an unsaturated monomer containing a carboxyl group, in the presence of an internal cross-linking agent (A) having two or more radical polymerizable unsaturated groups and in the presence of a non-polymeric internal cross-linking agent (B) having two or more functional groups each allowing formation of an ester bond or an amide bond by reacting with a carboxyl group, while crushing a cross-linked polymer hydrogel; and (ii) drying the cross-linked polymer hydrogel of step (i), wherein: an amount of the internal cross-linking agent (A) is 0.01 mol % or more and 0.2 mol % or less relative to an amount of the unsaturated monomer containing a carboxyl group, and a molar ratio (B)/(A) of the internal cross-linking agent (A) and the non-polymeric internal cross-linking agent (B) is 0.01 or more and 1.8 or less. | 02-16-2012 |
20120043502 | USE OF Li2[B12H12] SALT TO ABSORB WATER INTO POLYMERS - Methods of adjusting the properties of a composition are provided. The compositions comprise a polymer-containing matrix and a filler comprising a hygroscopic salt. Preferred such salts comprise a cage compound selected from the group consisting of borane cage compounds, carborane cage compounds, metal complexes thereof, residues thereof, mixtures thereof, and/or agglomerations thereof, where the cage compound is not covalently bound to the matrix polymer. | 02-23-2012 |
20120085971 | Process for Producing Thermally Surface Postcrosslinked Water-Absorbing Polymer Particles - A process for producing thermally surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated before, during or after the thermal surface postcrosslinking with at least one polyvalent metal salt, and the polyvalent metal salt comprises the anion of glycolic acid or the anion of a glycolic acid derivative. | 04-12-2012 |
20120091392 | Process for Producing Water-Absorbing Polymer Particles with Low Caking Tendency and High Absorption under Pressure - A process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure, comprising polymerization of a monomer solution or suspension, drying of the resulting polymer gel, grinding, classifying, thermal surface postcrosslinking and coating with silicon dioxide, wherein the water-absorbing polymer particles have been coated, before, during or after the surface postcrosslinking with aluminum cations. | 04-19-2012 |
20120119140 | WATER-ABSORBING MATERIAL - A water absorbing material includes a waste material. The waste material has a content of 20 wt % to 90 wt % to a total weight of the water absorbing material. The waste material is a water absorbing material which is granular and which comprises two or more plastic materials. The water absorbing material has an ignition point of 400° C. or greater, an ash content of 20 wt % or less, a calorific value in a range of 2930 J/g (700 kcal/kg) to 10465 J/g (2500 kcal/kg) in a state after absorbing moisture that has a weight in a range of 1.1 to 1.6 times the total weight, and a carbon dioxide yield in a range of 1700 g/kg to 2500 g/kg. | 05-17-2012 |
20120126170 | Chewing Tobacco (dip) Moisturizing Solution - The present invention provides a water-base or an oil-in-water emulsified product containing optional flavoring additives as desired, which has the effect of moisturizing chewing tobacco (dip), and causing improved flavor as well as a more enjoyable chewing experience. The invention provides a liquid solution that is convenient, at hand, and ready-to-use. | 05-24-2012 |
20120145956 | PLASMA MODIFICATION OF WATER-ABSORBING POLYMER STRUCTURES - The present invention relates to a process for producing surface-modified water-absorbing polymer structures, comprising the process steps of providing a multitude of water-absorbing polymer structures and treating the surface of the water-absorbing polymer structures with a plasma and mixing a filler with the water-absorbing polymer structures. The invention also relates to an apparatus for this process, to the surface-modified water-absorbing polymer structures obtainable by this process, to a composite comprising these surface-modified water-absorbing polymer structures and a substrate, to a process for producing a composite, to a composite obtainable by this process, to chemical products comprising these surface-modified water-absorbing polymer structures or the composite, and to the use of the surface-modified water-absorbing polymer structures or of the composite in chemical products. | 06-14-2012 |
20120175556 | Open-Cell Foams Having Superabsorbers - The invention relates to superabsorbent-endowed open-cell foams in the form of sheet materials comprising an open-cell foam and superabsorbent which are not more than 30 mm in thickness. It further relates to processes for their production and also to their use for moisture regulation. | 07-12-2012 |
20120193576 | MOISTURE-ABSORBING RESIN COMPOSITION AND MOLDED PRODUCTS THEREOF - The present invention provides a moisture-absorbing resin composition comprising resin (A) in an amount of 100 parts by mass, and zeolite in an amount of 40 to 300 parts by mass, wherein resin (A) contains at least one polymer selected from among ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, copolymer of ethylene-ethyl acrylate and acrylonitrile-styrene, and copolymer of ethylene-ethyl acrylate, maleic anhydride, and acrylonitrile-styrene, and a molded product produced through molding of the moisture-absorbing resin composition. The moisture-absorbing resin composition exhibits high moisture absorbency, high moisture absorption rate, and adhesion, and the molded product is produced from the composition. | 08-02-2012 |
20120211699 | Process for Producing Water-Absorbing Polymer Particles with High Free Swell Rate - The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again. | 08-23-2012 |
20120228547 | MOISTURE CONTROL CONSTRUCTION MATERIAL AND METHOD FOR PRODUCING THE SAME - Provide is a moisture control constructional material which has improved moisture control performance and strength and which is easily produced, and a method for producing the same. The moisture control construction material is produced by forming a raw material that contains aluminum hydroxide and talc, and firing the formed raw material at 700° C. to 1100° C. The raw material contains 20% to 95% by weight aluminum hydroxide and 5% to 80% by weight of the talc-like material. The raw material may further contain at least one of clay and bentonite and/or montmorillonite. | 09-13-2012 |
20120228548 | MOISTURE CONTROL CONSTRUCTION MATERIAL AND METHOD FOR PRODUCING THE SAME - Provide is a moisture control construction material which has improved moisture control performance and strength and which is easily produced, and a method for producing the same. The moisture control construction material is produced by forming a raw material that contains aluminum hydroxide and bentonite and/or montmorillonite, and firing the formed: raw material at 700° C. to 1100° C. The raw material contains 30% to 97% by weight aluminum hydroxide and 3% to 70% by weight bentonite and/or montmorillonite, or contains 30% to 90% by weight aluminum hydroxide, 1% to 30% by weight bentonite and/or montmorillonite, and 5% to 69% by weight clay. | 09-13-2012 |
20120261613 | ABSORBENT AND PASSIVATION LAYER FOR OTPICAL ELEMENT COMPRISING THE SAME - This invention relates to an absorbent and a passivaton layer for an optical element including the same, which may suppress infiltration of moisture without blocking light, may be applied to flexible substrates and may prevent deterioration of optical elements thus maintaining emission properties during extended use. | 10-18-2012 |
20120267570 | PARTICULATE SUPERABSORBENT POLYMER COMPOSITION HAVING IMPROVED PERFORMANCE PROPERTIES - The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load. | 10-25-2012 |
20120292566 | RECYCLING SUPERABSORBENT POLYMER FINES - A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion. | 11-22-2012 |
20120298913 | WATER-ABSORBENT RESIN PARTICLE, METHOD FOR PRODUCTION THEREOF, AND ABSORBENT MATERIAL USING THE SAME - A method for production of a water-absorbent resin particle which is excellent in a particle strength, and in which even after mechanical impact, a particle diameter retaining rate and a retaining rate of water absorption capacity under pressure are high, and an absorbent material using the same particle. The method includes the steps of polymerizing a water-soluble ethylenic unsaturated monomer using a water-soluble radical polymerization initiator, optionally in the presence of a crosslinking agent, to obtain a water-absorbent resin particle precursor, adding a post-crosslinking agent to crosslink a surface of the particle, adding an amorphous silica particle and adjusting the resulting particle to a moisture content of less than 10%, and subsequently adding moisture to adjust a final moisture content of the resulting particle to 10 to 20%. | 11-29-2012 |
20120298914 | Method for Treating and Conditioning Tailings - A sludge or slurry physical stabilizing method combines coarse particles with a slurry of fine particles to generate a composite slurry having a substantially predetermined ratio of coarse particles to fine particles. The composite slurry can then be diluted, flocculated and/or dewatered. Superabsorbent polymer (SAP) is mixed in with the dewatered composite slurry in an amount effective to produce a shear stable, non-segregating conveyable composition of sufficient strength to enable pumping, transport and placement at a mining site or tailings disposal site. | 11-29-2012 |
20120298915 | PROCESS FOR PRODUCING WATER-ABSORBING RESIN POWDER - Provided is a process for producing a water-absorbing resin powder which contains a given amount of water added thereto, has a low dust content, and has high material properties. When a water-absorbing resin powder which has undergone surface crosslinking is produced on an industrial scale, various problems concerning production are eliminated and a long-term stable operation is possible without causing a deterioration in the material properties of the resin. Even when the process is continued over a long period, the material properties are stabilized (decrease in standard deviation) or improved (improvement in AAP). The process for producing a water-absorbing resin comprises, in the following order, a first classification step for classifying a water-absorbing resin, a surface crosslinking step after the classification, a water addition step for adding water to the water-absorbing resin powder after or during the surface crosslinking, a second classification step, and a conveying step. | 11-29-2012 |
20120305842 | WATER ABSORBING AGENT, WATER ABSORBENT CORE USING THE AGENT, AND MANUFACTURING METHOD FOR WATER ABSORBING AGENT - A water absorbing agent of the present invention has an internal crosslinking structure obtained by polymerization of a water-soluble unsaturated monomer. The agent satisfies conditions (a) to (d): (a) the agent contains water-insoluble inorganic particles at an amount of from 10 ppm to 1,900 ppm inclusive; (b) the agent contains 5 mass % or less particles which have such a size that they can pass through a sieve having a mesh opening size of 150 μm; (c) the agent has an absorbency against a pressure of 4.83 kPa (AAP) of 18 g/g or more; and (d) the water-insoluble inorganic particles reside on a surface of the water absorbing resin or near the surface. | 12-06-2012 |
20120313038 | Method for Treating Tailings - A sludge or slurry physical stabilizing method combines coarse particles with a slurry of fine particles to generate a composite slurry having a substantially predetermined ratio of coarse particles to fine particles. The composite slurry can then be diluted, flocculated and dewatered. Superabsorbent polymer (SAP) is mixed in with the dewatered composite slurry in an amount effective to produce a somewhat friable, semi-solid conveyable composition of sufficient strength to enable transport, stacking and support of restored overburden at a mining site. | 12-13-2012 |
20130001468 | Powdery water-absorbing polymers with fine particles bound by thermoplastic adhesives - A process for producing and a powdery water-absorbing polymers comprising:
| 01-03-2013 |
20130020531 | ABSORBENT AND PASSIVATION LAYER FOR OPTICAL ELEMENT COMPRISING THE SAME - The present invention relates to an absorbent and a passivation layer for an optical element comprising the same, and more specifically to an absorbent that can be applied to a flexible substrate while blocking the inflow of water, and also not blocking light, and a passivation layer for the optical element comprising the same. Also the present invention relates to an absorbent that can maintain a light-emitting property for a long period of time by minimizing damage to the optical element by using the compound synthesized using a non-polar solvent, and the passivation layer for the optical element comprising the same. | 01-24-2013 |
20130026412 | METHOD FOR PRODUCING WATER ABSORBENT POLYACRYLIC ACID (SALT) RESIN POWDER, AND WATER ABSORBENT POLYACRYLIC ACID (SALT) RESIN POWDER - An object of the present invention is to provide a method for producing water absorbent resin powder in which permeability potential (SFC) is improved while a water absorbing rate (FSR) is being kept. The method is a method for producing water absorbent polyacrylic acid (salt) resin powder including the steps of: (i) polymerizing an acrylic acid (salt) monomer aqueous solution; (ii) during or after the step of (i), performing gel grinding of a hydrogel crosslinked polymer obtained by the polymerization, wherein the hydrogel crosslinked polymer has resin solid content of 10 wt % to 80 wt %, and the gel grinding is carried out with gel grinding energy (GGE) of 18 [J/g] to 60 [J/g]; (iii) drying a particulate hydrogel crosslinked polymer obtained by the gel grinding, wherein the drying is performed at 150° C. to 250° C.; and (iv) carrying out a surface treatment to the particulate hydrogel crosslinked polymer thus dried. | 01-31-2013 |
20130056678 | PHARMACEUTICAL COMPOSITIONS CONTAINING CARBOXYLATED STARCH - The present invention relates to pharmaceutical compositions containing carboxylated starch derivatives as well a their use as osmotics in particular for use in the treatment of chronic renal failure by dialysis. | 03-07-2013 |
20130069000 | Novel Superabsorbents and the Method(s) of Obtaining the Same - This invention relates to novel non-composite and composite superabsorbents, wherein the dry superabsorbents are xerogels, more particularly the bio-xerogels or the composites, particularly the biocomposites, more particularly the bionanocomposites and the method(s) of obtaining the same characterized by simultaneous in situ grafting and cross linking of ethylinically unsaturated monomers on to a single biopolymer of plant or animal origin, or on combination of different biopolymers or biopolymer(s) or/and clay(s), in a homogeneous polar phase, in the presence of initiator and crosslinker of chemical or non-chemical origin, at a temperature of 40 to 90° C., achieved by conventional or microwave heating, reaction time varying from instantaneous to 48 hours, involving use of alkali, either in situ or post reaction at room or elevated temperatures for achieving superior absorbency, in an inert or ambient reaction environment, to yield a neutral or near neutral product. | 03-21-2013 |
20130099160 | Materials from Post-Industrial Absorbent Product Waste - The present invention relates to plastic composites that have been manufactured from post-industrial absorbent waste material. The waste material is transformed into densified particles that comprises from about 0% to about 65% of an absorbent core material, about 20% to about 45% of thermoplastic polymer, about 0% to about 10% inorganic filler particles, about 0% to about 10% elastics, and about 0% to about 10% adhesives. Also provided is a method for manufacturing a plastic composite by extruding or injection molding densified particles that have been formed from the post-industrial absorbent waste material. | 04-25-2013 |
20130119309 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin comprising at least two stages of reversed-phase suspension polymerization, wherein the first stage of the at least two stages of reversed-phase suspension polymerization comprises the following steps of: (A) performing a primary dispersion by stirring to mix in the absence of surfactants an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent with a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent dissolves or disperses; (B) further performing a secondary dispersion by adding a surfactant to the resultant dispersion liquid; and (C) performing a polymerization by using a water-soluble radical polymerization initiator to obtain a water-absorbent resin as particles in a hydrous gel state which disperse in the petroleum hydrocarbon dispersion medium, and a water-absorbent resin obtained by the method. | 05-16-2013 |
20130146810 | Process for Producing Water-Absorbing Polymer Fibres - The present invention relates to a process for producing water-absorbing polymer fibers, especially micro-or nanofibers, by electrospinning process and to fibers obtainable by this process. | 06-13-2013 |
20130168603 | MOLDABLE DESICCANT AND HYDROGEN GETTERING SYSTEM - A composite useful for both gas gettering and moisture adsorption comprising an organic getter component and a desiccant component homogeneously dispersed in an elastomeric matrix. The getter component comprises an organic material capable of reacting with hydrogen and a hydrogenation catalyst. The desiccant component is a molecular sieve. The composite is a resilient, self-sustaining body that can also function as a shock absorber. A method of forming composites useful for both gas gettering and moisture adsorption is also disclosed, along with a kit to facilitate the same. | 07-04-2013 |
20130175472 | SUPERABSORBENT POLYMER HAVING A CAPACITY INCREASE - The present invention relates to a particulate superabsorbent polymer comprising a monomer and an internal crosslinker agent wherein the particulate superabsorbent polymer has a Centrifuge Retention Capacity Increase of 2 g/g or more as set forth herein in the Centrifuge Retention Capacity Increase Test. The present invention further relates to a superabsorbent polymer comprising an internal crosslinker agent comprising a silane compound comprising at least one vinyl group or one allyl group attached to a silicon atom, and at least one Si—O bond. The present invention further relates to an absorbent article that includes such particulate superabsorbent polymers. | 07-11-2013 |
20130175473 | PARTICULATE WATER-ABSORBING AGENT AND PRODUCTION METHOD FOR THE SAME - Provided is a water-absorbing agent having enhanced performance in both the centrifuge retention capacity and the absorption against pressure (particularly, the vertical diffusion absorption amount) of a water-absorbing resin, and also, a water-absorbing agent which can provide an absorbent core having a large absorption amount in a diaper, having improved diffusibility and liquid permeability, and having a smaller re-wet amount, is provided at low cost. | 07-11-2013 |
20130181163 | DISPENSABLE POLYMERIC PRECURSOR COMPOSITION FOR TRANSPARENT COMPOSITE SORBER MATERIALS - A moisture sorbing acrylic-based composition comprising an ethylene glycol dimethacrylate as main liquid component, and a metal perchlorate therein dissolved is described. Use of the composition in order to obtain a moisture sorber material is also described, to be inserted for example in electronic or optoelectronic devices. | 07-18-2013 |
20130187088 | COMPOSITION FOR RESTORATION OF IMMERSION DAMAGED PERSONAL MICROELECTRONICS DEVICE - A water displacing composition is provided that includes a C | 07-25-2013 |
20130187089 | Process for Producing Water-Absorbing Polymer Particles with Low Caking Tendency and High Absorption under Pressure - A process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure, comprising polymerization of a monomer solution or suspension, drying of the resulting polymer gel, grinding, classifying, thermal surface postcrosslinking and coating with silicon dioxide, wherein the water-absorbing polymer particles have been coated, before, during or after the surface postcrosslinking with aluminum cations. | 07-25-2013 |
20130200305 | Process for Producing Water-Absorbing Polymer Particles - A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution or suspension comprising at least one ethylenically unsaturated monomer which bears acid groups and has been at least partly neutralized by addition of a neutralizing agent, wherein the neutralizing agent is filtered prior to the addition. | 08-08-2013 |
20130207036 | ADDITIVE FOR BINDING THE RESIDUAL MOISTURE IN THE RESIDUE SALT OF A SALT DUMP - The invention provides an additive for binding the residual moisture in the residue salt of a salt heap to reduce the heap water content, wherein the additive has hydraulically and/or pozzolanically setting properties. | 08-15-2013 |
20130207037 | Water-Absorbing Polymeric Particles and Method for the Production Thereof - The present invention relates to a water-absorbing material obtainable by a process comprising the steps of: a) obtaining, optionally coated, post-crosslinked water-absorbing polymeric particles; b) exposing said particles of step a) to a vacuum-treatment, at a pressure of from 0.0001 mbar to 700 mbar; and c) optionally exposing said particles of step b) to a plasma-treatment, and processes for their production. | 08-15-2013 |
20130256593 | Color-Stable Superabsorbent - A superabsorbent obtainable by a process for producing superabsorbents by polymerizing a monomer solution comprising
| 10-03-2013 |
20130264517 | POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN, AND METHOD FOR PRODUCTION THEREOF - Provided is a method for producing a polyacrylic acid (salt)-based water absorbent resin, which is a convenient production method for a water absorbent resin for an absorbent suitable for practical use, the water absorbent resin having a reduced amount of residual monomers. Disclosed is a method for producing a polyacrylic acid (salt)-based water absorbent resin, the method comprising a polymerization step of polymerizing an aqueous monomer solution containing acrylic acid (salt) as a main component; a drying step of drying a water-containing gel-like crosslinked polymer obtained in the polymerization step; a surface crosslinking step of surface crosslinking the water absorbent resin under drying or the water absorbent resin which has been dried; and a packaging step of packaging the surface crosslinked water absorbent resin, wherein an iron content in the aqueous monomer solution in the polymerization step is 2 ppm (relative to the monomer(s)) or less, a moisture content of the water absorbent resin in the packaging step is 1% by weight or more, and the method further comprises, after the packaging step, a storage step of storing the packaged water absorbent resin for 3 days or longer. | 10-10-2013 |
20130270479 | Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles - A process for producing surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated, before, during or after the surface postcrosslinking, with at least one salt of a trivalent metal cation and a glycinate anion. | 10-17-2013 |
20130277608 | WATER-ABSORBING POLYSACCHARIDE AND METHOD FOR PRODUCING THE SAME - A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel drying the polysaccharide gel, comminuting the dried polysaccharide gel to form polysaccharide superabsorbent polymer particles, coating the particles with a polyphosphate or polyphosphoric acid, crosslinking the coated particles, and surface treating the particulate with a metal multivalent salt or an acid. The invention further relates to a polysaccharide superabsorbent polymer particulate obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the polysaccharide superabsorbent particulates or of the composites as well as the use of polyphosphates. | 10-24-2013 |
20130299739 | PROCESS FOR PRODUCING SURFACE POSTCROSSLINKED WATER-ABSORBING POLYMER PARTICLES - The invention relates to a process for producing surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated, before, during or after the surface postcrosslinking, with at least one basic salt of a trivalent metal cation and a monovalent carboxylic acid anion, wherein the basic salt is applied in the form of a solution that is stabilized by a vicinal diol and/or an amide of the formula R | 11-14-2013 |
20130313476 | WATER-SWELLING LAYERED DOUBLE HYDROXIDE, METHOD FOR PRODUCING SAME, GEL OR SOL SUBSTANCE, DOUBLE HYDROXIDE NANOSHEET, AND METHOD FOR PRODUCING SAME - Provided is a water-swelling layered double hydroxide characterized by having an organic sulfonic acid anion (A | 11-28-2013 |
20130334460 | TITANO-SILICO-ALUMINO-PHOSPHATE - A titano-silico-aluminophosphate which contains tetrahedrally coordinated titanium in the framework structure, which has a free coordination site for CO which can be detected by means of a characteristic IR band at 2192±5 cm | 12-19-2013 |
20140034875 | WATER-BLOCKING FILLER AND FILLER FOR MANMADE MULTI-BARRIERS USING SAID WATER-BLOCKING FILLER - Provided are a water-blocking filler, the swelling properties of which do not decrease easily even when in contact with water containing calcium ions, and a filler for engineered multi-barriers with said water-blocking filler as the engineered multi-barrier filler. A water-blocking filler mainly comprising sodium bentonite obtained by mixing 30 weight % or less, in terms of inner percentage, of a pozzolan substance such as fly ash or silica fume with said bentonite, and a filler using said water-blocking filler that is used for engineered multi-barriers in radioactive waste disposal facilities. | 02-06-2014 |
20140042364 | METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER - From a view pint of decreasing an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence due to an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct. | 02-13-2014 |
20140054497 | WATER-ABSORBING POLYMER HAVING A HIGH ABSORPTION RATE - A process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (α1) 0.1 to 99.999% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof (α2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001 to 10% by weight of one or more crosslinkers, (α4) 0 to 30% by weight of water-soluble polymers, and (α5) 0 to 20% by weight of one or more assistants, where the sum of their weights (α1) to (α5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, and surface postcrosslinking the ground hydrogel polymer wherein blowing agents having a particle size of 100 μm to 900 μm are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization. | 02-27-2014 |
20140070140 | DESICCANT COMPOSITION FOR MOISTURE-SENSITIVE ELECTRONIC DEVICES - A desiccant composition containing a polymeric binder and a dispersion of powders of desiccant materials is described. The desiccant composition has desiccant powders that are dispersed at least in part in form of micro-aggregates of desiccant particles surrounded by a polymeric encapsulating material having a different composition with respect to the polymeric binder. | 03-13-2014 |
20140197360 | PRODUCTION METHOD FOR WATER-ABSORBING RESIN COMPOSITION - A method for being capable of sufficiently exerting property improvement effect by the addition of additive particles other than water-absorbing resin to water-absorbing resin particles. The problems can be solved by using additive particles having over cohesive particles in an amount equal to or less than a predetermined amount, or by using the additive particles by crushing or classifying in advance, before mixing with water-absorbing resin particles. Alternatively, the problem can be solved by subjecting a mixture of the water-absorbing resin particles and the additive particles to pneumatic transportation processing, in particular, in a heated state, after mixing or at the same time as mixing. Further, provided is a water-absorbing resin composition, which is capable of stably exerting high-level property. The problems can be solved by a water-absorbing resin composition, where the addition amount of additive particles and amount of free additive particles satisfies a predetermined relation. | 07-17-2014 |
20140203208 | BODY WASTE TREATING MATERIAL, METHOD FOR MANUFACTURING BODY WASTE TREATING MATERIAL, AND APPARATUS FOR MANUFACTURING THE SAME - [Technical Problem] | 07-24-2014 |
20140217324 | MOLECULAR SIEVE ADSORBENT BLENDS AND USES THEREOF - A molecular sieve blend with improved performance characteristics produced by preparing or obtaining a hydrophilic zeolite, particularly a hydrophilic zeolite A with a low SiO | 08-07-2014 |
20140239225 | Water-Selective Adsorbent and Method for Producing Same - The present invention relates to a water-selective adsorbent and a method for producing the water-selective adsorbent. The water-selective adsorbent includes: a water-selective adsorbent main body that includes a porous body having a plurality of pores and at least one kind of deliquescent substance contained (supported) within the pores of the porous body; and a moisture-permeable film that is formed on the surface of the water-selective adsorbent main body so as to block up at least the pores. Consequently, loss (outflow) of the deliquescent substance such as lithium chloride can be suppressed even if adsorption and desorption of moisture are repeated, so that decrease in the moisture adsorption ability can be suppressed. | 08-28-2014 |
20140246622 | HEAT REACTIVATED ADSORBENT GAS FRACTIONATOR AND PROCESS - A system for regenerating a desiccant bed having water adsorbed thereon to a desired moisture content comprising: a desiccant bed used to produce dry product gas having a first end and a second end; a source of feed gas, heated by a gas compression process fluidly connected to the desiccant bed wherein feed gas flows through the desiccant bed such that the heat present in the feed gas desorbs a portion of the moisture from the regenerating desiccant bed; and a source of cooling gas fluidly connected to the desiccant bed wherein the cooling gas flows through the desiccant bed in a closed loop such that moisture is desorbed from the bed as the desiccant bed cools and is carried back to the first end of the desiccant bed to provide additional cooling wherein moisture in the cooling gas is adsorbed. | 09-04-2014 |
20140264167 | WATER VAPOR BARRIER COMPOSITION - The invention generally provides a moisture barrier article comprising a polymer matrix with water vapor permeability equal to or below 1 g mm/(m2 day) at 90% relative humidity difference and the intended temperature of use between 15° C. and 30° C., and moisture absorbing particles dispersed in the matrix in an essentially uniform manner, wherein the moisture absorbing particles have an average diameter of between 1 and 15 micrometers and wherein the article has an average wall thickness to mean particle diameter of at least 10:1. | 09-18-2014 |
20140284522 | METHOD FOR GENERATING DRIED CELLULOSE AND CELLULOSE-CONTAINING MATERIAL, AND RESWELLABLE CELLULOSE PRODUCTS PRODUCED BY THIS METHOD - The aim of the invention is to dry cellulose and cellulose-containing materials in the shortest possible time and with the lowest possible technical costs, without disruptive stress on the cellulose and without loss of stability and efficacy of any additive substances, for example medicaments, and to reswell it as required almost completely to the original structure and consistency. According to the invention for the purpose of drying and obtaining the swellability with almost complete reconstitution of the cellulose structure and consistency the dried cellulose to be prepared or the cellulose-containing material is subjected to the adsorbent effect of a moisture binder, in particular an osmotically and/or hygroscopically effective solution and then dried regardless of any structural change to the material. | 09-25-2014 |
20140299815 | WATER ABSORBENT AGENT COMPOSITION AND METHOD FOR PRODUCING SAME, AS WELL AS STORAGE AND STOCKING METHOD FOR SAME - An object of the present invention is to provide (i) a water absorbent agent composition which has an excellent additional function (a deodorizing function in particular), which stably carries out the additional function even after being stored for a long term, and which is less stressful to skin when used as an absorbent article, (ii) a method for producing the water absorbent agent composition, and (iii) an absorbent core and an absorbent article. The water absorbent agent composition contains: a polycarboxylic acid (salt)-based water absorbent resin as a main component; a natural ingredient; and a temporal deterioration preventing agent. Further, a water absorbent agent composition is produced by simultaneously or separately mixing a natural ingredient and a temporal deterioration preventing agent with a water absorbent resin which is a crosslinked polymer of unsaturated monomers having carboxylic acid and/or a salt thereof. | 10-09-2014 |
20140306155 | PARTICULATE SUPERABSORBENT POLYMER COMPOSITION HAVING IMPROVED STABILITY - The present invention relates to a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10 | 10-16-2014 |
20140306156 | PARTICULATE SUPERABSORBENT POLYMER COMPOSITION HAVING IMPROVED STABILITY - The present invention relates to a particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has a mean particle size distribution of from 300 to 400 μm, an original Free Swell Gel Bed Permeability (FSGBP) of about 20×10 | 10-16-2014 |
20140312273 | SUPERABSORBING POLYMERS WITH RAPID ABSORPTION PROPERTIES AND METHOD FOR PRODUCING THE SAME - This invention relates to a method for producing a water-absorbing polymer, including the following steps: (i) mixing (α1) 0.1 to 99.999 wt % polymerizable, ethylenically unsaturated, acid-group-containing monomers; (α2) 0 to 70 wt % polymerized ethylenically unsaturated, monomers copolymerizable with (α1); (α3) 0.00 1 to 10 wt %, cross-linking agent(s); (α4) 0 to 30 wt % water-soluble polymers; and (α5) 0 to 20 wt % additive(s), wherein the total quantity by weight of (α1) to (α5) amounts to 100 wt %, (ii) radical polymerization while cross-linking, in order to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sifting the water-absorbing polymer, (v) surface post-cross-linking the hydrogel polymer, and (vi) drying and processing the polymer, wherein, before the admixture of the initiator and the start of radical polymerization, 0.01 to 5 wt % of a surfactant, relative to acrylic acid, 0.01 to 5 wt % foaming agent, are added. | 10-23-2014 |
20140339469 | BIODEGRADABLE SUPERABSORBENT POLYMER COMPOSITION WITH GOOD ABSORPTION AND RETENTION PROPERTIES - The present invention generally relates to a method for the production of a superabsorbent composition comprising the process steps:
| 11-20-2014 |
20140374656 | SOLUTION COMPRISING ORGANOFUNCTIONAL ALKALI SILICONATES, SILICATES AND METHOD OF PRODUCTION THEREOF - The invention relates to a method for producing a solution comprising organofunctional siliconates, silicates and, optionally, the cocondensation products thereof, and to the solutions and an installation for the production thereof. | 12-25-2014 |
20150090933 | Fiber Mulch - A fiber mulch having a first material and a second material. The first material comprises a cellulose based material, for example, shredded recycled paper fibers, including, but not limited to, newsprint. The second material comprises a shredded wheat straw. It is contemplated that, by weight, the wheat straw comprises between 5% and 20% by weight of the fiber mulch, while other formulations are contemplated. Tackifiers and surfactants may be incorporated. The fiber mulch may be bailed or pelleted. | 04-02-2015 |
20150090934 | ODOR-INHIBITING COMPOSITIONS - The present invention relates to odor-inhibiting compositions comprising water-absorbing polymer particles and metal peroxides, and to the production thereof. | 04-02-2015 |
20150097142 | COATED SUPERABSORBENT POLYMER PARTICLES AND PROCESSES THEREFORE - Superabsorbent material, comprising first superabsorbent polymers, coated with second clay-crosslinked superabsorbent polymers, said second clay-crosslinked superabsorbent polymers being obtainable by the step of polymerization of a solution/dispersion of polymerizable compounds and clay particles, to obtain said second superabsorbent polymers, crosslinked by said clay particles, of a weight average largest particle dimension of less than 800 nm. | 04-09-2015 |
20150102258 | PHOTOCATALYTIC COMPOSITION - The present disclosure relates to a photocatalytic composition comprising photocatalytic titanium dioxide particles being dispersed in a continuous phase, and at least one anti-photogreying additive, wherein said at least one anti-photogreying additive is adapted to limit photogreying of said titanium dioxide particles while the photocatalytic activity of said titanium dioxide particles is maintained, and wherein the photo greying index (ΔL) of said composition is less than 6. | 04-16-2015 |
20150129799 | Particulate Water Absorbent And Process For Production Thereof - A particulate water absorbing agent of the present invention is a water absorbing agent containing a water absorbing resin as a main component, the particulate water absorbing agent containing a polyvalent metal cation and satisfying: (1) the polyvalent metal cation is contained in an amount between 0.001 wt % and 5 wt % relative to the amount of the water absorbing agent; (2) an absorbency without pressure (CRC) is not less than 28 (g/g) and an absorbency against pressure (AAP 4.83 kPa) is not less than 10 (g/g); (3) the absorbency against pressure and the absorbency without pressure satisfy 77≦AAP (4.83 kPa)+1.8×CRC≦100; and (4) a moisture content of the water absorbing agent is between 5 wt % and 20 wt %. This provides a water absorbing agent which has blocking resistance after moisture absorption, is excellent in stability to shock and suppresses Re-Wet when used in a diaper. | 05-14-2015 |
20150137035 | WATER ABSORBING MATERIAL - A water absorbing material that is suitable for being discarded by being flushed down a flush toilet is provided. The water absorbing material includes only an organic substance containing no nutrients. | 05-21-2015 |
20150306272 | ODOUR-INHIBITING SUPERABSORBER - Superabsorbents comprising 1,2-decanediol exhibit reduced odor formation. | 10-29-2015 |
20150307667 | POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN, AND METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN - As a method for producing a polyacrylic acid (salt)-based water absorbent resin particle which less generates fine powder and has an excellent impact resistance and a high moisture content even in a case where the polyacrylic acid (salt)-based water absorbent resin particle is produced on a large scale, employed is a production method including the steps of: (a) adding a surface crosslinking agent solution to water absorbent resin powder to obtain a mixture; (b) reacting the mixture; and, thereafter (c) adding an aqueous liquid to at least one selected from the group consisting of (i) the water absorbent resin powder during the step (b) and (ii) the water absorbent resin powder after the step (b), an atmospheric dew point being not lower than 20° C. in the step (c), and a temperature of the water absorbent resin powder being higher than the atmospheric dew point in the step (c). | 10-29-2015 |
20150314034 | PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES - A process for preparing water-absorbing polymer particles, comprising polymerisation of a foamed monomer solution or suspension, drying, grinding, classification and spray-coating the water-absorbing polymeric particles with an elastic film-forming polymer in a fluidised bed reactor in the range from 0° C. to 50° C. and heat-treating the coated particles at a temperature above 0° C. | 11-05-2015 |
20150360202 | WATER ABSORBING MATERIAL AND MANUFACTURING METHOD THEREOF - A water absorbing material contains paper powder obtained by separating gypsum from a gypsum board as its raw material. The weight ratio of the gypsum adhering to the paper powder with respect to the paper powder is 5% or less. | 12-17-2015 |
20160001264 | COMPOSITION FOR AMBIENT MOISTURE REGULATION, METHOD OF PREPARATION THEREOF AND USE THEREOF TO REGULATE THE MOISTURE OF AN ENVIRONMENT - A composition for moisture regulation in the form of a gel is disclosed. The composition includes magnesium chloride, and a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose and water, in which the ratio between the quantity of magnesium chloride and the cellulose is between 0.1 and 16 by weight. Preparation methods for such composition and methods for regulating the moisture of an environment are also disclosed. | 01-07-2016 |
20160032197 | Dewatering Compositions and Methods - The present invention is drawn to dewatering components and methods for their use. As particularly preferred, the invention relates to dewatering components comprising a cationic starch and/or a tannin capable of separating and/or resolving oil-in-water emulsions, water-in-oil emulsions, particularly in crude petroleum oil. | 02-04-2016 |
20160045891 | LIQUID-RETAINING MIXTURE AND MANUFACTURING METHOD FOR LIQUID-RETAINING CARRIERS - The present invention discloses a liquid-retaining mixture which comprises a liquid solution, a solid industrial waste, an aluminum oxide compound, and a silicon dioxide compound. A liquid-retaining carrier derived from the waste mixture can be used for retaining liquid substances in soil. The present invention also discloses a manufacturing method for a liquid-retaining carrier. | 02-18-2016 |
20160051966 | METHOD OF MANUFACTURING WATER-ABSORBENT RESIN COMPOSITION - The invention provides a method of manufacturing a water-absorbent resin composition containing water-absorbent resin particles and additive particles, by which it is possible to obtain a water-absorbent resin composition that sufficiently exhibits additional functions, such as an anti-blocking property under moisture absorption, of the additive particles while maintaining an excellent water absorption property. A method of manufacturing a water-absorbent resin composition includes a resin particle preparation step and a mixing step. In the mixing step, water-absorbent resin particles which are prepared in the resin particle preparation step are mixed with additive particles in multiple stages by using a plurality of mixing apparatuses to obtain a water-absorbent resin composition. | 02-25-2016 |
20160075944 | SOIL TREATMENT - A method for wetting and/or conditioning soil comprises applying a soil treatment composition containing hydrolyzed protein to the soil. The soil treatment composition preferably contains a surfactant selected from ethylene oxide-propylene oxide (EO/PO) block copolymer and/or an alkyl polyglycoside. The soil treatment composition may also contain an additional alkoxylate surfactant. | 03-17-2016 |
20160108227 | SUPERABSORBENT POLYMERS WITH RAPID ABSORPTION PROPERTIES AND PROCESS FOR PRODUCING SAME - The present invention relates to a water-absorbing polymer comprising the process steps of (i) mixing (α1) 0.1 to 99.999% by weight of polymerizable, ethylenically unsaturated monomers containing acid groups, or salts thereof, (α2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001 to 10% by weight of one or more crosslinkers, (α4) water-soluble polymers, and (α5) one or more assistants, where the sum of the weights (α1) to (α5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble, aqueous untreated hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the water-absorbing polymer to size, (v) surface postcrosslinking the ground and sieved hydrogel polymer and (vi) drying and finishing the water-absorbing polymer, wherein 0.01 to 5% by weight of a blowing agent having a particle size of 10 μm to 900 μm are added, based on the hydrogel polymer. | 04-21-2016 |
20160129419 | WATER ABSORBING MATERIAL AND MANUFACTURING METHOD THEREOF - A water absorbing material which can reduce burden on the environment in disposal and can be manufactured at low cost, and a manufacturing method thereof are provided. The water absorbing material contains paper obtained by separating polyvinyl chloride from vinyl chloride wallpaper as a raw material. | 05-12-2016 |
20160144065 | HIGHLY ABSORBENT POLYSACCHARIDE FIBER AND USE THEREOF - The present invention relates to a method for the production of highly absorbent polysaccharide fibers which contain a mixture of cellulose and α(1→3)-glucan as a fiber-forming substance, as well as to the highly absorbent fibers made thereby, and to their use. | 05-26-2016 |
20190144338 | SELF-COOLING COMPOSITE MATERIALS | 05-16-2019 |