us patent for redispersible dry composition of polymer
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us patent for redispersible dry composition of polymer .

US Patent for Redispersible dry composition of polymer ...

2011-7-13  The invention relates to improved non-efflorescing cement-free and water-dispersible powder building material compositions comprising a homopolymer or copolymer as binder, useful for the preparation of wet formulations of plasters grouts, waterproofing coatings or mortars for the construction and the civil engineering industry. The binder is obtained by spray-drying or lyophilization of a ...

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US9932489B2 - Redispersible dry composition of polymer ...

US9932489B2 US13/809,519 US201113809519A US9932489B2 US 9932489 B2 US9932489 B2 US 9932489B2 US 201113809519 A US201113809519 A US 201113809519A US 9932489 B2 US9932489 B2 US 9932489B2 Authority US United States Prior art keywords ether water ethylene glycol powder composition polymer Prior art date 2010-07-16 Legal status (The legal status is an assumption and is

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WO2012007057A1 - Redispersible dry composition of polymer ...

The invention relates to improved non-efflorescing cement-free and water-dispersible powder building material compositions comprising at least one polymer [(meth)acrylate] as binder, useful for the preparation of wet formulations of plasters or mortars for the construction and the civil engineering industry. Redispersible dry composition of polymer finish comprising: a powdery organic binder ...

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US Patent for Redispersible polymer powders by ...

1994-5-2  A process for making a spray dried redispersible polymer powder, especially a VAE copolymer powder, by spray drying a polymer emulsion containing a polyvinyl alcohol redispersant. A sufficient amount of the total polyvinyl alcohol redispersant is added to the polymer emulsion prior to spray drying and the remaining amount of polyvinyl alcohol redispersant is added as a dry powder to the spray ...

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US Patent for Redispersible polymer powder mixtures for ...

2013-9-13  A mixture contains: (a) an acrylic core-shell redispersible polymer powder with a core polymer that is an acrylic having a glass transition temperature in a range of −40 to 50 degrees Celsius and a shell polymer that is alkali soluble and contains more carboxyl-group functionalities than the core polymer and containing a nucleating agent having a boiling point of 150-500 degrees Celsius and ...

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US5118751A - Redispersible powder composition - Google Patents

The invention relates to a redispersible powder composition comprising a) a base polymer from the group comprising vinyl ester polymers, styrene polymers, acrylate polymers and vinyl chloride polymers, b) 2 to 15% by weight, relative to the base polymer, of polyvinyl alcohol having a degree of hydrolysis of 85 to 94 mol % and a Hoppler viscosity of 2 to 25 mPas, c) 3 to 30% by weight ...

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US Patent Application for REDISPERSIBLE POLYMER POWDER ...

2013-12-11  The present invention relates to redispersible polymer powders. In particular, the present invention relates to a redispersible polymer powder (RDP) which is suitable for use as an additive in a hydraulically binding composition such as a cement based tile adhesive (CBTA) or a base coat adhesive or reinforcement coat for External Thermal Insulation Composite Systems (ETICS).

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Patents Assigned to PAREXGROUP SA - Justia Patents Search

2017-11-2  Justia - Patents - Patents and Patent Application Resources. Abstract: The invention relates to a dry composition for the preparation of a wet formulation for the construction industry. The aim of the invention is to provide a dry composition that results in hardened products for the construction industry having an excellent compromise between its lightweight properties and mechanical ...

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Polymer modified cement compositions - Sencon Systems ...

Various improvements for polymer modified cementitious compositions are disclosed. A dry mix for making a polymer modified cementitious composition especially useful as a stucco material, which includes a dry, redispersible, non-reemulsifiable polymer at a polymer-cement ratio of between about 0.04:1 to about 0.15:1, is disclosed.

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Redispersible acrylic polymer powder for cementitious ...

U.S. Pat. No. 3,547,853 discloses cementitious compositions comprising a dry redispersible acrylic polymer, an aliphatic hydroxycarboxylic acid set-retarding agent that also serves as a sequestrant, and trimethylol propane, trimethylol ethane or mixture of the latter two compounds.

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JP6216397B2 - Redispersible dry compositions of polymer ...

composition polymer finishing redispersible Prior art date 2010-07-16 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number JP2016022213A Other languages Japanese (ja) Other versions

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US5118751A - Redispersible powder composition - Google Patents

The invention relates to a redispersible powder composition comprising a) a base polymer from the group comprising vinyl ester polymers, styrene polymers, acrylate polymers and vinyl chloride polymers, b) 2 to 15% by weight, relative to the base polymer, of polyvinyl alcohol having a degree of hydrolysis of 85 to 94 mol % and a Hoppler viscosity of 2 to 25 mPas, c) 3 to 30% by weight ...

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REDISPERSIBLE POWDER COMPOSITION FOR DRY MORTAR ...

If used, the amount of the pozzolan(s) in the composition according to the invention is typically 5 to 50%, preferably 10 to 40%, and more preferably 12 to 30% based on the weight of the redispersible polymer powder. For purpose of determining the amount of the redispersible polymer powder any eventually present additives of the RDP are excluded.

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Use of redispersible polymer powders or polymer granules ...

US Patent References: ... dry granulation or wet granulation. 4. The rapid release, pharmaceutically active composition of claim 1 in the form of redispersible powders or granules consisting essentially of pharmaceutically active ingredients and a binder consisting essentially of ... The redispersible polymer powders are produced by initial ...

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Redispersible powder composition - Wacker Chemie GmbH

1991-8-23  A redispersible powder composition as claimed in claim 1, wherein up to 1.0% by weight, relative to the base polymer, of emulsifiers or wetting agents is added to said composition. 7. A flowing, hydraulyic setting, leveling compound containing a redispersible powder composition as claimed in

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Dry mortar formulations modified with water-redispersible ...

2002-5-14  A dry mortar formulation comprising a) from 0.5 to 80% by weight of a hydraulic binder, b) from 0 to 97% by weight of a filler, c) from 0 to 3.5% by weight of a thickener, d) from 1.0 to 80% by weight of a redispersible polymer powder, and e) from 0.0001 to 1.0% by weight of an antioxidant the percentages by weight based on the overall weight ...

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Redispersible polymer powder - Patent search, search ...

The composition of the building material according to claim 6 or 7, characterized in that the composition of the building material is a dry mortar mixture and formed as a coating or composite mortar, mortar thermal insulation, sealant, gypsum and/or lime and/or cement mortar, repair mortar, adhesive adhesive adhesive ceramic tiles, plywood ...

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Polymer modified cement compositions - Sencon Systems ...

Various improvements for polymer modified cementitious compositions are disclosed. A dry mix for making a polymer modified cementitious composition especially useful as a stucco material, which includes a dry, redispersible, non-reemulsifiable polymer at a polymer-cement ratio of between about 0.04:1 to about 0.15:1, is disclosed.

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Redispersible acrylic polymer powder for cementitious ...

The useful range of this filler is from 0-40 wt %, based on the redispersible polymer powder, preferably from 8-30 wt %. The amount of filler material used depends on the particular polymer and its Tg. The invention provides a dry powder polymer which may be redispersed to form a

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CROSSLINKABLE POLYMER POWDER COMPOSITION WHICH

The invention relates to a crosslinkable polymer powder composition redispersible in water, obtainable by means of free radical polymerization, in an aqueous medium, of one or more monomers from the group consisting of vinyl esters of straight-chain or branched alkylcarboxylic acids having 1 to 15 C atoms, methacrylates and acrylates of alcohols having 1 to 15 C atoms, vinylaromatics, olefins ...

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Redispersible polymer powder - Patent search, search ...

The composition of the building material according to claim 6 or 7, characterized in that the composition of the building material is a dry mortar mixture and formed as a coating or composite mortar, mortar thermal insulation, sealant, gypsum and/or lime and/or cement mortar, repair mortar, adhesive adhesive adhesive ceramic tiles, plywood ...

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Dry polymer and lipid composition - Patent US-2006073203 ...

2003-3-14  Dry polymer and lipid composition. Cite. Download. Patent: US-2006073203-A1: ... 2003/03/14. This web page summarizes information in PubChem about patent US-2006073203-A1. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes ...

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DISPERSION POWDER COMPOSITION CONTAINING VINYL

Water-redispersible polymer powders with improved characteristics in building materials are prepared using a drying aid which is a polyvinyl alcohol copolymer also containing vinyl ester monomers and specific comonomers.

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Water-soluble stitched protective colloids, the method of ...

Redispersible in the water composition of the polymer powders obtained by spray drying aqueous dispersions of polymers on PP.6-8. 11. Redispersible polymeric powders by p. 10, used as a binder for coatings, plasters and paints, in particular pigmented paints and varnishes; as adhesives and binders for wood, paper, textile and nonwovens; as a ...

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Patents for C08L 3 - Compositions of starch, amylose or ...

2015-3-11  WO1996020973A1 Composition and method for improving the extrusion characteristics of aqueous starch-polymer mixtures 07/11/1996 DE19500483A1 Prepn of dry, redispersible micro-denominated cellulose

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Water-redispersible polymer powders for building adhesive ...

A water - redispersible polymer powder based on protective colloid stabilized vinyl ester polymers for use in building adhesive compositions is provided. The vinyl ester polymers contain from 0.2 to 1.5% by weight, based on the overall weight of the vinyl ester polymers, or auxiliary monomer units derived from monomers having a higher water ...

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Function of Redispersible Polymer Powder(RDP) in dry ...

Applying RDP into mortar is actually the modification of ordinary mortar, also known as polymer modified cement mortar. Through polymer modification, the brittleness, high elastic modulus and other weaknesses of traditional cement mortar are improved; the cement mortar is endowed with better flexibility and tensile bond strength to resist or delay the generation of cement []

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Core-Shell Morphology of Redispersible Powders in Polymer ...

Redispersible powders based on soft core-hard shell polymer particles can be used as additives in polymer-cement mortars. The role of this morphology on the spray-drying production of these powders and on the crack-bridging properties of the corresponding cement-based membranes is investigated. Diff

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(PDF) POLYMER MODIFED DRY-MIX TILE ADHESIVES tran

Today WACKER POLYMERS is the world-wide largest producer of redispersible powders.The polymer modification of dry-mix mortars with VINNAPAS ® redispersible powders will Special technical literature and technical information regarding applications with VINNAPAS ® redispersible powders and their performance are available on request. . 2 ...

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The use of an aqueous dispersion of a film forming polymer ...

2003-8-29  The use in a composition for coating keratinic fibers comprising an aqueous phase of an aqueous dispersion of particles of a film-forming polymer a 5 wt.% or more dry matter and a gelling polymer which is a polymer or copolymer of polyacrylamidomethyl propane sulfonic acid to give the composition properties of curving and/or thickening the fibers and the composition itself.

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