US Patent for Redispersible dry composition of polymer

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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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US20110281976A1 - Redispersible powder composition for dry ...

The present invention relates to a redispersible powder composition for use in the preparation of dry mortar formulations, especially of cementitious bound tile adhesives (CBTA). The invention further relates to a dry mortar formulation comprising said redispersible powder composition. Furthermore, the invention is directed to a method of increasing the open time of a dry mortar formulation ...

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US9745459B2 - Redispersible polymer powder - Google Patents

The present invention relates to a water redispersible polymer powder (RDP) which comprises a co-dried admixture of a water-insoluble film forming polymer, a colloidal stabilizer and rubber particles. The presence of rubber within the RDP does not significantly affect redispersibility and may, when incorporated into hydraulically-binding compositions, provide an improvement in the physical ...

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US5519084A - Redispersible acrylic polymer powder for ...

A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an acrylic polymer containing 1-15 wt % olefinically unsaturated carboxylic acid comonomer and an effective amount of a dispersing aid consisting essentially of polyvinyl alcohol.

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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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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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US20110281976A1 - Redispersible powder composition for dry ...

The present invention relates to a redispersible powder composition for use in the preparation of dry mortar formulations, especially of cementitious bound tile adhesives (CBTA). The invention further relates to a dry mortar formulation comprising said redispersible powder composition. Furthermore, the invention is directed to a method of increasing the open time of a dry mortar formulation ...

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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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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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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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Use of polymer powders that are redispersible in water as ...

Dry jointing sand which is swept into joints is consolidated by addition of a powder composition employing either a polyvinyl alcohol-stabilized redispersible polymer powder which contains functional post-crosslinking comonomers, or a redispersible polymer powder stabilized by a polymer of one or more ethylenically unsaturated mono- or dicarboxylic acids and/or anhydrides thereof.

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Redispersible polymer powder composition comprising ...

A redispersible polymer powder composition as claimed in claim 1, which comprises a homo- or copolymer comprising one or more monomer units selected from the group consisting of vinyl esters of unbranched or branched carboxylic acids having 1 to 18 C atoms, esters of acrylic acid and methacrylic acid with unbranched or branched alcohols having ...

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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 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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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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Dry Mortar with Redispersible Polymeric Powder for ...

Special formulas of dry building mortars for construction concrete printing is one of the pertinent areas in the development of innovative construction. The research covers the dry building mortar technology with re-dispersible polymeric powders. The best regime of mixing components with a high-speed paddle wheel agitator was presented. It was shown that only the automation of the construction ...

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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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Use of redispersible polymer powders or polymer granules ...

U.S. patent number 6,066,334 [Application Number 09/037,796] was granted by the patent office on 2000-05-23 for use of redispersible polymer powders or polymer granules as binders for producing solid pharmaceutical presentations.This patent grant is currently assigned to BASF Aktiengesellschaft.

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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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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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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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Indian Patents. 279946:REDISPERSIBLE POLYMER POWDER

Preferably, the redispersible polymer powder further comprises an anti -caking agent, such as, for example, kaolin. 10 The redispersible polymer powder compositions of the present invention may comprise a dry mix of the redispersible polymer powders with cement, such as,

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Water-redispersible powders of vinyl/acrylic polymers ...

1991-12-23  1. A water-dispersible, storage-stable pulverulent composition of matter, comprising particulates of a water-insoluble film-forming vinyl and/or acrylic polymer containing from 0.5 to 20 parts by weight of at least one silicone per 100 parts by weight of said film-forming polymer. 2. The pulverulent composition as defined by claim 1, said film ...

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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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The Preparation and Characterization of Redispersible ...

Acrylate polymer emulsion was synthesized by semi-continuous seeded emulsion polymerization with methacrylic acid (MAA) as the hydrophilic shell monomer. The redispersible polymer powder was prepared by spray drying method. The effects of the amount of MAA, styrene (St) stoichiometry equivalents to methyl methacrylate, and two kinds of spray drying methods on size distribution of the ...

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Dr. Charles Bobichon Synthomer SBU Functional

2019-5-9  patent has now expired, the performance of this technology is very much based on process and internal “know-how”. This technology makes it possible to spray-dry a styrene-butadiene polymer having a very low particle size, around 0,15 µm, while conventional vinyl acetate base polymers typically have particle sizes around 1 to 2 µm.

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