Class / Patent application number | Description | Number of patent applications / Date published |
521065000 | Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof | 26 |
20080200571 | AQUEOUS POLYTETRAFLUOROETHYLENE EMULSION, POLYTETRAFLUOROETHYLENE FINE POWDER AND POROUS MATERIAL OBTAINED THEREFROM - To provide an aqueous polytetrafluoroethylene (PTFE) emulsion which does not substantially contain ammonium perfluorooctanoate, and which is obtained by emulsion polymerization. Further, to provide a PTFE fine powder which is obtained from the aqueous PTFE emulsion and is excellent in a paste extrusion processability, and a porous material. | 08-21-2008 |
20080300329 | Modified Open-Cell Foams, and Method for the Production Thereof - Modified open-cell foams with a density in the range from 5 to 1000 kg/m | 12-04-2008 |
20090137692 | PRODUCTION METHOD OF POROUS RESIN PARTICLE HAVING HYDROXYL GROUP - The present invention relates to a method for producing a porous resin particle containing an aromatic vinyl compound-aromatic divinyl compound copolymer having a hydroxyl group, the method including: dissolving a monomer mixture containing an aromatic vinyl compound, an aromatic divinyl compound and a (meth)acrylic acid ester having one hydroxyl group within the molecule thereof, and a polymerization initiator in an organic solvent to obtain a solution containing the monomer mixture and the polymerization initiator; suspending the solution in water in the presence of a dispersion stabilizer; and performing a suspension copolymerization. The method of the invention is capable of easily producing a porous resin particle containing an aromatic vinyl compound-aromatic divinyl compound copolymer having a hydroxyl group, that is used as a support for solid phase synthesis and enables efficient nucleic acid synthesis. | 05-28-2009 |
20090192236 | FOAMED POLYHYDROXYALKANOATE RESIN PARTICLES - It is intended to provide polyhydroxyalkanoate resin foamed particles having a biodegradability and favorable properties, a molded article thereof and a method of producing these resin foamed particles. Namely, resin foamed particles obtained by foaming a copolymer (hereinafter referred to as poly(3-hydroxyalkanoate); abbreviated as P3HA), which is produced by a microorganism, has a weight-average molecular weight of from 50000 to 2000000 and has a repeating unit represented by the general formula (1): [—CHR—CH | 07-30-2009 |
20090215914 | FOAMED THERMOPLASTIC RESIN PARTICLES AND METHOD OF PRODUCING THE FOAMED PARTICLES - It is intended to provide resin foamed particles having a high environmental compatibility. Furthermore, it is intended to provide an economical and easy-to-use method of producing resin foamed particles having biodegradability without using a crosslinking agent, which should be handled with care, in the step of producing foamed resin particles. It is also intended to provide a molded article made of foamed particles having an extremely high heat insulating property and a biodegradability. Thermoplastic polyester-type resin foamed particles, in which the ratio of cells with diameter of 50 μm or less amounts to 20% or more in an arbitrary two-dimensional section of a thermoplastic polyester-type resin foamed particles, are first produced and then a molded article is produced with the use of these resin foamed particles. | 08-27-2009 |
20100305225 | ELASTOMER POROUS MATERIAL AND METHOD OF PRODUCING THE SAME - In the elastomer porous material of the invention, when cells in a first observation region of a first cross section are observed at a certain magnification, cells having a shape factor SF | 12-02-2010 |
20100311851 | ELASTOMER POROUS MATERIAL AND METHOD OF PRODUCING THE SAME - In the elastomer porous material of the invention, when cells in a first observation region of a first cross section are observed at a certain magnification, cells having an aspect ratio a/b, wherein a represents the maximum diameter of each cell and b represents the length of the minor axis of that cell as measured in a direction orthogonal thereto, of 1.3 or less account for 70% or more of all cells in the first observation region, and, when cells in a second observation region of a second cross section orthogonal to the first cross section are observed at a certain magnification, cells having an aspect ratio a/b, wherein a represents the maximum diameter of each cell and b represents the length of the minor axis of that cell as measured in a direction orthogonal thereto, of 1.3 or less account for 70% or more of all cells in the second observation region. | 12-09-2010 |
20110009509 | RUBBER DE-VULCANISATION - The present invention relates to a method for preferentially breaking cross-links in a vulcanised rubber, thereby de-vulcanising the rubber, by the use of a supercritical fluid, such as carbon dioxide. The supercritical fluid maintained at an appropriate solubility parameter, swells the vulcanised rubber to a state of equilibrium swell. The cross links ( | 01-13-2011 |
20120136080 | POROUS PARTICLES WITH IMPROVED FILTERING PERFORMANCE - A method of manufacturing porous polymer particles with improved filterability is described. One or more first water phases are formed comprising an anionic hydrocolloid with a mass-per-charge value of less than 600 and a relatively minor amount, compared to the anionic hydrocolloid, of at least one of a nonionic, cationic, zwitterionic, or weakly anionic water soluble or dispersible polymer, where the weakly anionic water soluble or dispersible polymer has a mass-per-charge value of larger than 600. A water-in-oil emulsion is formed by dispersing the one or more first water phases into an organic phase comprising at least one of either (i) preformed polymer dissolved in an organic solvent or (ii) polymerizable monomers, and homogenizing. A water-in-oil-in-water multiple emulsion is formed by dispersing the water-in-oil emulsion into a second water phase containing a stabilizing agent and homogenizing. The organic solvent is removed to precipitate the preformed polymer, or the polymerizable monomers are polymerized, to obtain a dispersion of porous polymer particles in an external aqueous phase, wherein individual porous particles each comprise a continuous polymer phase and internal pores containing an internal aqueous phase. The dispersion of porous polymer particles is filtered to remove the external aqueous phase. The method enables increased filtration rates of porous polymer particle dispersions containing water in the pores. | 05-31-2012 |
20160068641 | EMULSION-DERIVED PARTICLES - An emulsion-derived particle comprises a lattice of polymeric strands cross-linked by means of a cross-linking agent, and interstitial openings adjacent and around the strands. Functional groups are provided on the lattice and proteins and/or modified proteins can react with these, thereby to be bonded to the lattice and hence immobilised. | 03-10-2016 |
521066000 | Treating a latex, dispersions, or emulsion containing a solid polymer at 32 degrees F. or below, e.g., freezing, etc. | 1 |
20080281005 | Composites with emulsion polymer films - This invention relates to composites comprising a substrate and a multi-stage latex polymer emulsion film. | 11-13-2008 |
521067000 | Adding -N=C=X material to a latex, dispersion, or emulsion containing a solid polymer | 2 |
20090203809 | NOVEL POLYURETHANES WITH A HIGH WATER CONTENT, METHOD FOR THE PRODUCTION AND APPLICATION THEREOF - The subject of the invention is polyurethane materials with a high water content and with an elastomeric or cellular character for wide application fields and also a method for the production thereof. | 08-13-2009 |
20090286894 | POROUS POLYMER BLEND STRUCTURES - A porous polymer blend, and a method of producing a porous polymer blend from at least two immiscible polymers. The at least two immiscible polymer being blended together and exhibiting the absence of complete phase separation. The method of producing a porous polymer blend comprising: forming a liquid composition comprising at least two immiscible polymers dissolved in a common solvent; subjecting the liquid composition to a reduction in temperature to cause at least two immiscible polymers to phase separate into a common polymer rich phase and a common polymer poor phase; solidifying the at least two immiscible polymers in the common polymer rich phase so as to avoid complete phase separation of the at least two immiscible polymers; and removing the common polymer pore phase to provide a blend of the at least two immiscible polymers having a porous morphology. | 11-19-2009 |
521068000 | Adding fibrous material to a latex, dispersion, or emulsion containing a solid polymer | 4 |
20100292354 | AQUEOUS BINDER COMPOSITION FOR MINERAL FIBERS - An aqueous binder composition for mineral fibres comprises a water-soluble binder component obtainable by reacting, in one or more steps, at least one alkanolamine, at least one carboxylic anhydride and at least one polyalkylene glycol component selected from polyalkylene glycols, copolymers and derivates thereof and, optionally, treating the reaction product with a base. | 11-18-2010 |
20110034572 | VOLUME TILE ADHESIVE - The use of a mixture consisting of a) alkaline hydraulic binder, b) cellulose ether, c) blowing agent, d) filler as a tile adhesive is claimed, wherein the blowing agent c) comprises peroxo compounds and/or percarbonates and/or aluminum powder and wherein the tile adhesive mixture has a maximum and stable volume increase of 50% by volume within five minutes after admixing of water. This mixture, which may also comprise further additives such as, for example, retardants, antifoams and polymer dispersion powders, in addition to said four components, has the advantage that the blowing agent used reacts virtually completely within 5 min and thus leads to a volume increase of the tile adhesive mixture of not more than 50% by volume. After it has hardened, the mixture has a high intrinsic strength but also sufficient bonding strength and adhesive strengths with respect to the tile/substrate system. | 02-10-2011 |
20110251297 | WATER-BLOWN RIGID FOAMS WITH IMPROVED MECHANICAL PROPERTIES AT LOW TEMPERATURES - The present invention relates to a rigid polyurethane foam which can be obtained by mixing (a) isocyanates, (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and optionally (e) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, where the isocyanates (a) have a viscosity of not more than 500 mPas at 25° C. and the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less, a polyetherol (b2) having a functionality of 3.5 or less and a viscosity at 25° C. of 600 mPas or less, a polyesterol (b3) having a viscosity at 25° C. of 2000 mPas or less, chain extenders (b4) comprising at least 30% secondary OH groups and optionally a crosslinker (b5). The present invention further relates to a process for producing such rigid polyurethane foams and the use of the rigid polyurethane foams for the insulation of liquefied natural gas tanks. | 10-13-2011 |
20120077890 | Composite Building Materials and Methods of Manufacture - A composite building material includes carpet waste having carpet fibers and adhesive, and an inorganic filler that includes fly ash. The composite building material may be produced by providing the carpet waste, mixing the carpet waste with the inorganic filler to produce a homogeneous blend, and forming the homogeneous blend into the composite building material. The composite building material may optionally include a base polymer, slack wax, and/or calcium carbonate. | 03-29-2012 |
521069000 | Latex, dispersion, or emulsion contains an additional solid polymer-forming system | 1 |
20090111902 | Room temperature crosslinked material - Materials and methods for providing building barriers are provided. The material may comprise a latex foam, which may include an A-side containing a functionalized latex and a B-side that contains a crosslinking agent and optionally a non-functionalized latex. The A- and/or B-side may contain a blowing agent package or components forming the blowing agent package. The blowing agent package may be the combination of two or more chemicals that when mixed together form a gas or a chemical compound that, when activated by heat or light, forms a gas. In an alternate embodiment, the latex foam includes a functionalized latex, an acid, and an encapsulated crosslinking agent and base. Alternatively, the spray latex may include a functionalized latex, a crosslinking agent, and an encapsulated dry acid and dry base. The encapsulating agent may be a protective, non-reactive shell that can be broken or melted at the time of application. | 04-30-2009 |
521070000 | Latex, dispersion, or emulsion contains two or more solid polymers | 5 |
20090048357 | VIBRATION DAMPING COMPOSITION - To provide a vibration damping composition: excellent in vibration damping property and thermal drying property in a wide temperature range; and sufficiently suppressing sagging of a vibration damping coating film on the vertical surface; and therefore useful for vibration damping materials of various structures. | 02-19-2009 |
20100010107 | RESIN COMPOSITION FOR VIBRATION DAMPING MATERIAL AND VIBRATION DAMPING MATERIAL - A resin composition for vibration damping material for a vibration damping material exhibiting high vibration damping performance in a wider temperature range and a vibration damping material using the same are provided. The resin composition contains 100 parts by weight of a resin component A as a matrix and 5 to 300 parts by weight of a resin component B dispersed in the matrix. The resin component B has two or more cyclic structures selected from the group consisting of an aromatic hydrocarbon group, an aliphatic cyclic hydrocarbon group, and a heteroaromatic group, and is in a glassy state at use temperature. | 01-14-2010 |
20110224317 | SPRAY FOAMS WITH FINE PARTICULATE BLOWING AGENT - Latex foams for filling cavities and crevices and for forming foamed products are provided. The latex foam includes a functionalized latex, a crosslinking agent and a blowing agent package, and optionally a non-functionalized latex. The foamable compositions may be two-part, having an A-side and a B-side to keep reactants separate until use. The blowing agent package may be the combination of two or more chemicals, such as acid and base, that when mixed together form a gas. In two-part compositions, the acid and base preferably are in separate sides to prevent premature gassing; in alternative one-part compositions, the spray latex foam may include a functionalized latex, a crosslinking agent, and an encapsulated dry acid and dry base. The encapsulating agent may be a protective, non-reactive shell that can be broken or melted at the time of application. The acid and/or base are preferably dry powder particulates, for example milled bicarbonate having a median particle diameter of from about 0.5 to about 40 microns, e.g. from about 2 to about 40 microns or from about 0.5 to about 5 microns. | 09-15-2011 |
20110275728 | DISPERSED TWO-COMPONENT POLYURETHANE FOAMS - The invention relates to a method for the production of polyurethane foams, wherein a composition containing an anionic and a cationic polyurethane dispersion is expanded and dried. | 11-10-2011 |
20110294911 | POLYURETHANE SURFACTANT STABILIZED POLYURETHANE FOAMS - The invention relates to the production of hydrophilized polyurethane foams, especially for wound treatment, wherein a composition containing a polymer and special polyurethane-based stabilizers is expanded and dried. | 12-01-2011 |
521072000 | Utilizing cell forming agent other than air | 3 |
20100099782 | SUSPENSION POLYMERIZATION AND FOAMING OF WATER CONTAINING ACTIVATED CARBON-NANO/MICROPARTICULATE POLYMER COMPOSITES - Synthesis of polystyrene and/or other thermoplastic polymers or polymer blends which, for example, contain activated carbon and/or bamboo carbon carrying a co-blowing agent such as water and/or at least one of 1-dimensional, 2-dimensional, and 3-dimensional nano/micro-materials in suspension polymerization without using the inverse emulsion process. CO | 04-22-2010 |
20110015286 | PROCESS FOR THE PREPARATION OF EXPANDABLE POLYSTYRENE - The present invention relates to a process for the preparation of expandable polystyrene comprising the following steps: i | 01-20-2011 |
20110213043 | FOAMED SLURRY AND BUILDING PANEL MADE THEREFROM - A gypsum slurry is described that includes water, a hydraulic component comprising at least 50% calcined gypsum by weight based on the dry weight of the hydraulic component, foam, a defoamer and a polycarboxylate dispersant. In some embodiments of the invention, the defoamer is combined with the dispersant prior to being added to the gypsum slurry. The defoamer and dispersant can be added as a physical mixture, wherein the defoamer is attached onto the dispersant polymer, or a combination thereof. A gypsum building panel is made from the gypsum slurry. | 09-01-2011 |