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7637996 |
Gypsum products utilizing a two-repeating unit dispersant and a method for making them
A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic...
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7638563 |
Polycarboxylic acid concrete admixture
The polycarboxylic acid concrete admixture of the present invention exhibits properties such as decreasing the concrete viscosity, improving the slump-retaining ability, and suppressing bleeding...
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7625960 |
Lime-free admixture of compositions for hydraulic cements and methods thereof
Lime-free admixture compositions comprising a combination of ingredients are disclosed. The ingredients of the lime-free admixture compositions comprise a combination of emulsifiers, toughening...
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7619045 |
Water-soluble or water-dispersible acrylic dispersants obtained by controlled radical polymerization
The present invention relates to a process for the preparation in aqueous solution of water-soluble acrylic polymers or for the preparation in aqueous dispersion of water-dispersible acrylic...
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7605196 |
Water-soluble copolymers containing sulfo groups, method for the production and use thereof
The invention relates to water-soluble copolymers used as water retention agents, stabilizers and rheology modifiers in aqueous building material systems based on hydraulic binders such as cement,...
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7601770 |
Multi-functional admixtures for concrete
A multi-functional admixture for concrete, having improved fluidity for providing hardened materials with improved early strength, smaller shrinkage rate, improved resistance against freezing and...
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7591893 |
Dense mortar based on binary ettringite binder, comprising at least one poly(alkylene oxide) comb polymer and at least one structuring organic resin
A dense mortar includes:
(i) an ettringite binder, including calcium sulphate and a calcium aluminate mineral compound, (ii) at least one poly(alkylene oxide) comb polymer and, (iii) at least one...
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7572329 |
Method of making a gypsum slurry with modifiers and dispersants
In a method of making a gypsum slurry, a polycarboxylate dispersant, a modifier and a hydraulic material comprising stucco are selected for use in the slurry. These components are then combined...
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7572328 |
Fast drying gypsum products
A slurry is made including water, at least 50% by weight calcium sulfate hemihydrate, and a specific polycarboxylate dispersant prepared using at least three repeating units. A first repeating unit...
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7556685 |
Composition of architectural papier-mâché and articles made therewith
The invention is a composition of an architectural papier-mâché, and articles made therewith. Articles formed from using the architectural papier-mâché have excellent weather resistance, and...
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7547741 |
Preparation of polymer powders
A process for preparing a polymer powder by evaporating the volatile constituents from an aqueous dispersion of a film-forming polymer P, wherein prior to the evaporation of the volatile...
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7537656 |
Cement compositions comprising biodegradable monomers for retarding the setting thereof
Cement compositions may comprise one or more secondary amines substituted with a carboxyl group or salts thereof (e.g., 3-hydroxy N,N′-iminodisuccinic acid) for retarding the setting of such...
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7497904 |
Liquid coloring suspension and colored cementitious composition
A cementitious composition is provided that is composed of hydraulic cement and a liquid coloring suspension. The liquid coloring suspension which contains polycarboxylate dispersant and pigment...
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7491755 |
Cellulose ether composition for the extrusion of mineral shaped bodies and also a process for the extrusion of mineral shaped bodies using this cellulose ether composition
A description is given of a cellulose ether composition as additive for the extrusion of mineral masses which comprises 70 to 99.9% by weight of cellulose ether and 0.1 to 30% by weight of...
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7435768 |
Foamed cement slurry
The present invention relates to a formulation of a foamed cement slurry comprising in combination:
at least one hydraulic binder from the group consisting of class G Portland cements, class...
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7420005 |
Photocurable resin composition, finely embossed pattern-forming sheet, finely embossed transfer sheet, optical article, stamper and method of forming finely embossed pattern
The photocurable resin composition in the first aspect of the invention comprises, as essential components, (A) a binder resin having photopolymerizable functional groups and (B) inorganic...
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7404855 |
Resilient cement compositions and methods of cementing
Resilient cement compositions and methods of cementing using the compositions are disclosed. A resilient cement composition of the invention comprises hydraulic cement, an aqueous rubber latex and...
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7396403 |
Concrete reinforced with acrylic coated carbon fibers
Concrete products and dry concrete mixes comprise cement, acrylic coated carbon fibers, and any optional components such as silica fumes, slag, stone, sand, and/or other aggregates. Preferably, the...
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7393886 |
Cement dispersant and concrete composition containing the dispersant
A superior cement dispersant and a concrete composition containing the cement dispersant, the cement dispersant being a water-soluble amphoteric copolymer which contains an alkylene oxide adduct of...
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7388045 |
Cement compositions comprising lignite grafted fluid loss control additives
Novel well cement compositions are provided. Exemplary embodiments of the well cement compositions comprise water, a cement and a fluid loss control additive comprising a graft polymer. The graft...
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7374699 |
Slurry rheology modifier
A slurry rheology modifier comprises a first water-soluble low-molecular compound [referred to hereinafter as compound (A)] and a second water-soluble low-molecular compound [referred to...
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7371279 |
Cellulose ether composition
A composition comprising cellulose ether, a superplasticizer and defoamer suitable for use as an additive in extruding inorganic compositions is disclosed. The inventive composition functions as a...
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7368488 |
Cement admixture and cement admixture composite
The cement admixture and the cement admixture composite of the present invention can improve the water-reducing ability of cement compositions and the like and enhance the strength and durability...
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7351756 |
Toughened polyethylene terephthalate
A composite material is disclosed having a matrix formed of polyethylene terephthalate and cement particles distributed in the matrix. The cement particles may be Portland cement. About 50 wt % or...
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7345103 |
Hydraulic composition
It is an object of the present invention to provide a hydraulic composition which enables both of high fluidity and material separation reducing and can eliminate the delay of setting. The present...
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7338990 |
High molecular weight additives for calcined gypsum and cementitious compositions
A mixture is used in conjunction with water is used for preparing a slurry that hydrates to form an exterior gypsum cement. The mixture includes 30-70% by weight hydraulic cement, 30-70% by weight...
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7321006 |
Admixture for cement
There are provided an admixture for cement which enhances water reducing property and flowability of a cement composition, and is excellent in slump retaining performance to retain the flowability...
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7304104 |
Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened product
The cement admixture of the present invention can provide viscosity decreasing ability as well as a high dispersing ability and slump loss preventing ability even in a high water reducing ratio...
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7294194 |
Emulsion admixtures for improving cement elasticity
Methods and cement compositions for sealing a subterranean zone penetrated by a wellbore. The cement compositions include cementitious material, a mixing fluid, at least one polar monomer, and at...
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7288580 |
Water-redispersible polymer powder compositions with accelerated-setting action
Water-redispersible polymer powder compositions with accelerated-setting action based on homo- or copolymers of one or more monomers of vinyl esters of optionally branched C 1-15 alkylcarboxylic...
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7288581 |
Process for the stabilization of dusting surfaces
The invention relates to a process for the stabilization of dusting surfaces characterized in that the dusty ground is tilled or scarified and mixed with polymers in form of water-redispersible...
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7276551 |
Cement composition
The present invention relates to a novel cement composition. This cement may be combined with a number of different products, including residual materials such as polystyrene, glass, cork,...
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7273524 |
Concrete composition method of producing concrete compositions and cement admixture
The objective of the present invention is to provide a concrete composition in which the amount of air entrained can be maintained stably and which is excellent in strength and durability, a...
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7271214 |
Cement dispersant and methods of making and using the same
The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl...
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7265168 |
High-strength hydraulic cement compositions
A high-strength hydraulic cement composition contains cement, fine aggregates, coarse aggregates, water and a specified admixture and has a unit amount of water in the range of 120-185 kg/m 3 ....
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7261772 |
Gypsum composition
A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for...
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7261771 |
Method of controlling the viscosity of a cementitious mixture using oppositely-charged polyelectrolytes
A process for increasing the viscosity of an aqueous cementitious mixture during its working state by mixing oppositely-charge polyelectrolytes into the cementitious mixture.
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7259197 |
Ultra high-strength hydraulic cement compositions
An ultra high-strength hydraulic cement composition contains a binder, fine aggregates, coarse aggregates, an antifoaming agent, water and a specified admixture and has a unit amount of the binder...
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7256227 |
Polymer modified gypsum membrane and uses therefor
A composition which is applied to substrate surfaces to form a membrane to provide structural reinforcement thereto and prevent the release of gases and moisture from the substrate. The composition...
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7253220 |
Cement admixture and cement composition
The cement admixture of the present invention can improve the workability by displaying sufficient viscosity decreasing ability and initial dispersing ability even under a low temperature...
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7247662 |
Cement dispersant, its production process, and cement composition using the cement dispersant
Disclosed are the following: a cement dispersant which is excellent in initial dispersibility and further in flow retainability of cement, because of using a polymer having a proper molecular...
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7241819 |
Method of levelling a floor
A two-pack cementitious composition consisting of
iii) an alkaline component comprising gypsum, an alkaline polymer, water and a hydration inhibitor, which is stable in a fluid state and...
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7241818 |
Filler comprising fly ash for use in composites
The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer or bitumen at higher filler loadings to...
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7232875 |
Preparation of comb-branched polymers
A comb-branched polymer is disclosed. The polymer comprises recurring units of an unsaturated carboxylic monomer, an oxypropylene-rich poly(oxyethylene-oxypropylene) macromonomer and an...
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7205031 |
Coating system comprising a dry powder composition dispersible in water
A coating system for in-situ coating of a surface formed by a plurality of plasterboard sections comprises a dry powder composition which is dispersible in an aqueous applicator medium and provides...
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7150787 |
Polymer-modified gypsum composition
A composition including two components is provided. When the two components are admixed in the method of the invention a polymer-modified gypsum composition is provided. The admixture exhibits a...
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7151173 |
Admixture, extrudable hydraulic composition and method for the selection of admixture
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland...
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7148270 |
Polymer-modified fiber-cement composition
A method for providing a polymer-modified fiber-cement composite by forming an aqueous composition including admixing an emulsion polymer having a glass transition temperature (Tg) of from −25°...
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7125944 |
Cement admixture and cement composition
It is an object of the present invention to provide a cement admixture capable of exhibiting high cement dispersing ability at low addition levels, in particular capable of displaying excellent...
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7105587 |
Method and composition for polymer-reinforced composite cementitious construction material
A method and composition for polymer-reinforced composite cementitious construction materials is described. In one embodiment, a crosslinking component is mixed with a high molecular weight...
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