Class / Patent application number | Description | Number of patent applications / Date published |
524003000 | Solid polymer or specified intermediate condensation product derived from reactant-containing atom other than C, H, O, N, or halogen and which is devoid of a fused or bridged ring system | 41 |
20090036572 | Method For Waterproofing A Gypsum-Based Product Formed From A Plaster-Based Composition - A method of imparting water repellency to a gypsum-based product formed from a plaster-based composition, includes adding to the composition at least one compound including a polysiloxane and at least one compound comprising a pregelled starch. A hydrophobicized, plaster-based composition including a polysiloxane and at least one compound comprising a pregelled starch, and its uses are also disclosed. | 02-05-2009 |
20090253831 | Lightweight structure concrete composition - A lightweight structural concrete is composed of coarse structural aggregate sized between ¼ to ½″ occupying 15% to 25% of total concrete volume, large non-structural lightweight aggregate such as expanded polystyrene bead of a particular size distribution and volume amount, small size non-structural lightweight aggregate or entrained air cells of another specific size distribution and volume amount, and a dense cementitious composition comprising cement binder, pozzolan, and fine structural filler no larger than concrete sand ASTM C33. | 10-08-2009 |
20090258969 | Method for Producing Phosphoric Acid Ester-Based Polymer - The present invention relates to a method for producing a phosphoric acid ester-based polymer, including copolymerizing a monomer 1 represented by the following formula (1), a monomer 2 represented by the following formula (2), and a monomer 3 represented by the following formula (3), at pH 7 or lower, in the present of a polymerization solvent having a dissolved oxygen concentration at 25° C. of 0.01 to 4.0 mg/kg. The invention also relates to a method for producing a phosphoric acid ester-based polymer, including copolymerizing the monomers 1, 2 and 3 at pH 7 or lower, in the presence of a phosphonic acid-based chelating agent. The invention also relates to a method for producing a phosphoric acid ester-based polymer from a mixed solution containing the monomer 1, 2 and 3, including obtaining a mixed solution by mixing the monomers 1 to 3 at a temperature of 10 to 50° C., initiating a polymerization within 72 hours after the mixing of the monomers 1 to 3, and maintaining the temperature of the mixed solution in the range of 10 to 50° C. until the polymerization is initiated: | 10-15-2009 |
20090326101 | USE IN A HYDRAULIC BINDER COMPOSITION OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH) ACRYLIC ACID AND AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - The invention resides in the use in a composition with a hydraulic binder base, of a calcium carbonate characterised in that it is obtained by dry-grinding, firstly, and in that it is dry-ground in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alcoxy or hydroxy polyalkyleneglycol group, secondly. The invention also concerns the compositions with a hydraulic binder base thus obtained. | 12-31-2009 |
20100004357 | DISPERSANT FOR HYDRAULIC COMPOSITION - The invention relates to a dispersant for hydraulic composition, wherein 2 kinds of copolymers containing, as structural units, a polyalkylene glycol (meth)acrylate monomer (a) having the average number of moles of added alkylene oxide in a specific range and a specific unsaturated monomer (b) in a specific ratio are used such that the product of the average number of moles of added alkylene oxide and the acid-type converted wt % of (b) relative to the sum total of (a) and (b) are used in specific relationship. | 01-07-2010 |
20100105810 | POLYALKYLENE GLYCOL CHAIN-CONTAINING THIOL POLYMER, THIOL-MODIFIED MONOMER, MIXTURE THEREOF, AND ADMIXTURE FOR CEMENT - To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or a mixture thereof, which can produce such a polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer of the present invention is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer. | 04-29-2010 |
20100152331 | Dispersant For Hydraulic Composition - The present invention relates to a dispersant for a hydraulic composition, containing a polymer obtained by copolymerizing a specific monomer 1 such as an ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group, a monoester phosphate-based monomer 2, a diester phosphate-based monomer 3, and an unsaturated carboxylic acid-based monomer 4, at pH 7 or less. | 06-17-2010 |
20100234490 | Additive With Applications in Construction Chemistry - Additives for application in construction chemistry are proposed comprising an organic and/or inorganic core component A) with rheology-enhancing properties and a shell component B) applied to the same by virtue of physical and/or chemical interactions which acts as a coating. Component A) should be a of water-soluble and/or water-swellable and/or water-absorbable compound of the non-cellulose type with viscosity-enhancing properties in the final application. The shell component B) should preferably be a film-forming polymer which is able to release component A) during the application in construction chemistry in a retarded manner such as for example polyvinyl alcohol, polyvinyl acetate and polyethylene glycol. Component B) can be composed of several layers and comprises at least one reactive layer. The new additive is used as an additive with a time-delayed action in paints and also for timed control of the increase in viscosity or development of rheology in building material systems based on inorganic binders. | 09-16-2010 |
20110021667 | EARLY STRENGTHENING AGENT FOR HYDRAULIC COMPOSITION - This invention relates to an early strengthening agent for a hydraulic composition, which contains a compound (A) selected from a specific glycol ether-based compound and a specific glycerin derivate-based compound, as well as an additive composition for a hydraulic composition, which contains the early strengthening agent and a specific phosphate polymer (B). | 01-27-2011 |
20110086947 | ADMIXTURE FOR A HYDRAULIC BINDER - A method of using an admixture in hydraulic binders, in particular in plaster-based or anhydrous calcium sulphate-based compounds, the admixture being an acrylic polymer with controlled end chains. | 04-14-2011 |
20110160348 | USE OF STRUCTURED WATER-SOLUBLE POLYMERS OBTAINED BY CONTROLLED RADICAL POLYMERIZATION AS A DISPERSANT AND AGENT FOR ASSISTING IN THE GRINDING OF MINERAL MATERIALS - The invention relates to the use, as a dispersant and/or a grinding aid agent for pigments and/or mineral fillers in aqueous suspension, of a water soluble polymer with a controlled structure obtained by a controlled free radical polymerization process putting into practice a particular alkoxyamine as a polymerization initiator. | 06-30-2011 |
20110201727 | SILANE-MODIFIED ADDITIVES AND SILANE-MODIFIED POLYMER COMPOUNDS - The invention relates to silane modified additives obtained by condensation of one or a plurality of silanes of the general formula (RO) | 08-18-2011 |
20110207854 | RHEOLOGY MODIFIER FOR CEMENT SLURRIES - A polymer composition comprising a) a polysaccharide derivative, b) a siloxane, and c) an anti-foaming agent different from a siloxane is useful for modifying the rheology of a cement slurry. | 08-25-2011 |
20110263755 | USE OF SURFACTANT IN THE PREPARATION OF MODIFIED SULFUR AND SULFUR CEMENT - Use of a non-ionic surfactant in the preparation of modified sulfur and/or modified sulfur cement that may or may not be modified sulfur concrete. | 10-27-2011 |
20110281975 | Method for Producing Phosphated Polycondensation Products and the Use Thereof - The invention relates to a process for the preparation of a phosphated polycondensate, at least one sulphonic acid being used as catalyst, and to the use of the phosphated polycondensate obtained as an admixture for aqueous suspensions of hydraulic and/or latently hydraulic binders. | 11-17-2011 |
20120016059 | WATER-REDUCING AGENT FOR HYDRAULIC BINDERS - A method includes using copolymers including at least polyoxyalkylenated monomer units and at least phosphorus-comprising monomer units as water-reducing agent in hydraulic binders. | 01-19-2012 |
20120016060 | PROCESS FOR PREPARING AN AQUEOUS COMPOSITE-PARTICLE DISPERSION - A process for preparing stable aqueous dispersions of composite particles. | 01-19-2012 |
20120041104 | Dispersant Comprising Copolymer Mixture - The invention relates to a polymer composition containing 3 to 95% by weight of a copolymer H and 3 to 95% by weight of a copolymer K, the copolymers H and K each having polyether macromonomer structural units and acid monomer structural units, which are present in the copolymers H and K in each case in a molar ratio of 1:20 to 1:1, and at least 20 mol % of all structural units of the copolymer H and at least 25 mol % of all structural units of the copolymer K being present in each case in the form of acid monomer structural units, the polyether macromonomer structural units of the copolymers H and K having side chains containing in each case at least 5 ether oxygen atoms, the number of ether oxygen atoms per side chain of the polyether macromonomer structural units of the copolymers H and K varying in each case in such a way that the corresponding frequency distribution diagrams, in which the number of ether oxygen atoms per side chain of a polyether macromonomer structural unit is plotted in each case along the abscissae and the respectively associated frequencies for the copolymers H or K are plotted in each case along the ordinates, contain in each case at least 2 maxima whose abscissa values differ in each case by more than 7 ether oxygen atoms from one another, the frequency distribution diagrams of the copolymers H and K differing from one another in that the abscissa value of at least one maximum of the copolymer H differs in each case by more than 5 ether oxygen atoms from the abscissa values of all maxima of the copolymer K and/or that the arithmetic means of the ether oxygen atoms of the polyether macromonomer structural units of the copolymers H and K differ from one another by more than 5 ether oxygen atoms. | 02-16-2012 |
20120190774 | COMPOSITION AND METHOD FOR PRODUCING LIME SAND BRICK - The present invention relates to a composition for producing lime sand brick comprising lime, sand, water and at least one plasticizer, in particular a comb polymer KP having side chains bound to the main chain via ester or ether groups. The invention further relates to a method for producing lime sand brick. | 07-26-2012 |
20120208932 | Polycondensates Having Isobutylene Side Chain - The invention relates to a polycondensation product based on aromatics and/or heteroaromatics and aldehydes, said polycondensate containing at least one structural unit (I) having a polyisobutylene side chain and an aromatic or heteroaromatic and at least one structural unit (II) having an ionizable functional group and an aromatic or heteroaromatic, structural unit (I) not being the same as structural unit (II) and the aldehyde used having no acid or ester functions. A process for the preparation and the use as an additive for hydraulic binders are disclosed. | 08-16-2012 |
20120220696 | Hardening Accelerator Composition Containing Phosphated Polycondensates - The invention concerns a process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound and by reaction of a calcium compound with a silicon dioxide containing component under alkaline conditions, in both cases the reaction being carried out in the presence of a polycondensate containing at least one structural unit consisting of an aromatic or heteroaromatic moiety bearing a polyether side chain and at least one structural unit consisting of an aromatic or heteroaromatic moiety bearing at least one phosphoric acid ester group and/or its salt. The invention concerns a composition of calcium silicate hydrate and the polycondensate, its use as hardening accelerator and for the reduction of the permeability of hardened compositions. | 08-30-2012 |
20120238670 | Water-Soluble, Hydrophobically Associating Nanocomposites (As Rheology Modifiers For Applications In Construction Chemistry) - Hydrophobically associating nanocomposites which contain a silica, a hydrophobically modified monomer and a hydrophilic monomer. The silica constituent comprises an aqueous colloidal solution of amorphous silicon dioxide (SiO | 09-20-2012 |
20120238671 | SILICONE RESIN EMULSION AND USE THEREOF IN HYDROPHOBING PLASTER - Silicone resin emulsions especially suitable for hydrophobing gypsum compositions together with H-siloxanes are prepared by hydrolysis and subsequent distillation to an alcohol content of less than 0.1 weight percent. Use of the emulsion with H-siloxanes provides plaster products such as plasterboard of increased hydrophobicity. | 09-20-2012 |
20120322919 | REINFORCED COMPOSITE MATERIAL, METHOD OF PREPARING THE SAME, ITS USE FOR PREPARING MANUFACTURED PRODUCTS, AS WELL AS MANUFACTURED PRODUCTS FORMED IN THIS WAY AND THEIR USE - A reinforced composite material based on aluminous cement and tabular alumina or corundum, reinforced with glass-fibres, method of preparing the same, its use for preparing manufactured products, as well as manufactured products formed in this way and their use. | 12-20-2012 |
20120322920 | Polymers And Use Thereof As Dispersants Having A Foam-Inhibiting Effect - The invention relates to polymers that can be obtained by polymerizing the monomers (A), (B), and (D), and optionally (C), where (A) is a monomer of formula (I), | 12-20-2012 |
20130005861 | FORMULATION AND ITS USE - Claimed is a formulation containing a) at least one component having dispersing properties and being selected from branched comb polymers having polyether side chains, a naphthalene sulphonate-formaldehyde condensate and a melamine sulphonate-formaldehyde condensate, and b) a polycondensation product. Typical representatives of component a) are polycarboxylate ether, polycarboxylate ester and uncharged copolymers. In addition to the main components a) and b) further additives such as anti-forming agents and tensides or polymers having a low charge, neutral polymers or polyvinyl alcohol can be comprised by the formulation that is suitable for controlling the flowability of aqueous suspensions of construction chemicals. | 01-03-2013 |
20130102705 | PROCESS FOR TRANSPORTATION OF A HYDRAULIC COMPOSITION - A process for transportation of a fresh hydraulic composition including:
| 04-25-2013 |
20130123392 | HYDRAULIC COMPOSITION - A hydraulic composition including | 05-16-2013 |
20130345340 | Composition for the Optimization of Mineral Building Material Compositions - The present invention relates to compositions which are suitable for optimizing mineral building material compositions so that the flow behaviour and the deaeration of the compositions is positively influenced, as a result of which very smooth, virtually pore-free surfaces can be achieved. The compositions can consist of a mixture or comprise a mixture which contains at least one component (a) which comprises a compound N which displays a wetting action in aqueous cement-containing binder systems and contains at least one further component (b) which comprises a compound E which has antifoam properties in aqueous cement-containing binder systems. The compound N in component a) can preferably be a nonionic or amphoteric surfactant, preferably an alkyl alkoxylate or a betaine. The compound E in component b) can preferably be a polyetherpolysiloxane on a support material. | 12-26-2013 |
20140135427 | PROCESS FOR DRYING CONCRETE DISPERSANTS - A process for the production of a solid dispersant for a hydraulically binding composition includes the steps of: providing at least one first polymer, which is a comb polymer having a polymer backbone comprising carboxyl groups; providing at least one second polymer, which is a condensate of, at least, an aromatic compound and formaldehyde; or a lignosulfonate; preparing an aqueous solution comprising the first and the second polymer; and spray-drying the aqueous solution to obtain the solid dispersant. | 05-15-2014 |
20140194558 | MID-RANGE WATER REDUCERS (MRWR) FOR CONCRETS - Provided is a water-reducing admixture for concrete that includes a first composition, a second composition, and at least one sugar. The first composition includes at least one calcium lignosulfonate; the second composition includes at least one vinyl-copolymer. | 07-10-2014 |
20140221534 | TUNNELING ANNULUS GROUT - A grout composition for application to a tunneling surface is disclosed. The grout composition comprises a mixture including cement and at least one of a hydration stabilizer, a polycarbonate-based high range water reducer, and a viscosity modifier. The grout composition further includes water and a sprayed concrete accelerator. The sprayed concrete accelerator may be included in the composition at the time of application. | 08-07-2014 |
20140316035 | HYDROPHOBICALLY ASSOCIATING COPOLYMERS - Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms. | 10-23-2014 |
20140364543 | CALCIUM SULFO ALUMINATE CEMENT WITH POLYMER - A calcium sulfoaluminate-based concrete with a permeability of less than 1000 Coulombs. Rapid-setting low chloride-ion permeability calcium sulfoaluminate (CSA) cements and concretes include CSA and a suitable polymer such as a sol-gel derived, organic-inorganic, silica based hybrid coating solutions of polystyrene-butylacrylate polymers containing active silanol groups protected by hydroxyl groups containing polyalcohol, or other polymers. Such polymers may be added as powders or as liquid in the finish mill. Other rapid-setting low chloride-ion permeability (CSA) cements and concretes include CSA with selected particle size distributions, and do not require use of any polymer. These CSA cements and concretes have low chloride-ion permeability, high early strength, fast setting times, low-shrinkage, and high freeze-thaw resistance. | 12-11-2014 |
20150080500 | POLYCONDENSATION PRODUCT BASED ON AROMATIC COMPOUNDS, METHOD FOR THE PREPARATION AND USE THEREOF - Proposed is a polycondensation product comprising as monomer components at least one aryl polyoxyalkylene ether, at least one vicinally disubstituted aromatic compound, at least one aldehyde and also optionally further aromatic compounds; processes for preparing same, and also use thereof as dispersant for aqueous suspensions of inorganic binders and as grinding assistant for inorganic binders. | 03-19-2015 |
20150291474 | HARDENING ACCELERATOR COMPOSITION - The invention concerns a process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, said reaction being carried out in the presence of an aqueous solution which contains a water-soluble comb polymer suitable as a plasticizer for hydraulic binders, wherein the water-soluble comb polymer is present as a copolymer which is produced by free radical polymerization in the presence of a phosphorylated monomer and a (meth)acrylic acid ester based polyether macromonomer. | 10-15-2015 |
20150344368 | ADDITIVE FOR MASSES THAT SET HYDRAULICALLY - The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) | 12-03-2015 |
20160002435 | ADDITIVE FOR HYDRAULICALLY SETTING COMPOUNDS - The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains. | 01-07-2016 |
20160122243 | POLYMERIC DISPERSANT - The invention relates to a dispersant comprising a polymer obtainable by copolymerization of monomers including 5 to 80 mol % of a hydroxyalkyl acrylate phosphate and/or hydroxyalkylacrylamide phosphate (monomer 1), 0 to 20 mol % of a di(hydroxyalkyl acrylate) phosphate and/or di(hydroxyalkylacrylamide) phosphate (monomer 2) and 1 to 80 mol % of a polyalkylene glycol-containing macromonomer comprising an alkene group (monomer 3). Further disclosed is a process for preparing the polymers of the invention and the use thereof as dispersants in calcium sulphate-containing compositions. A further aspect of the invention is a process for producing shaped gypsum bodies, and also shaped gypsum bodies, more particularly gypsum plasterboards and self-levelling screeds, comprising the dispersant of the invention. | 05-05-2016 |
20160185664 | WIDE TEMPERATURE RANGE CEMENT RETARDER - According to an embodiment, a composition that can be used in a cementing. The composition includes at least:
| 06-30-2016 |
20160194245 | NOVEL FIBERS, METHODS FOR THEIR PREPARATION AND USE IN THE MANUFACTURE OF REINFORCED ELEMENTS | 07-07-2016 |