| WACKER POLYMER SYSTEMS GMBH & CO. KG Patent applications |
| Patent application number | Title | Published |
|---|
| 20090238916 | USE OF SILICON OXIDE COMPOUNDS AS FREE-FLOW AGENTS IN THE PRODUCTION OF SOLID POLYVINYL ACETATE RESINS - Polyvinyl acetate polymers produced by mass polymerization or suspension polymerization are stabilized against blocking by addition of minor amounts of a silicon oxide compound during the pelletization process of mass polymerized polymers and prior to or during fluidized bed drying in the case of suspension polymerized polymers. The free flowing polymers are suitable for use as chewing gum bases, and for other uses. | 09-24-2009 |
| 20090203829 | AMINOFUNCTIONAL POLYVINYLACETALS - Polyvinyl acetals which contain acetal moieties derived by acetalizing polyvinyl alcohol with both aliphatic aldehydes or their derivatives and with amino- and/or ammonium-substituted aldehydes display exceptional substrate adhesion when used in printing ink as binders, allowing inks without adhesion promoters to be produced. | 08-13-2009 |
| 20090131561 | PROCESS FOR PRODUCING SHAPED BODIES FROM A MIXTURE OF PARTICULATE NATURAL MATERIALS AND THERMOPLASTIC BINDER - Use of water redispersible polymer powders stabilized with a protective colloid as a thermoplastic binder for natural particulate materials allows thermoplastic processing such as extrusion, without formation of bubbles due to moisture present, and while maintaining physical properties. | 05-21-2009 |
| 20090118424 | POLYVINYL ACETALS CONTAINING UNSATURATED ACETAL UNITS - Polyvinyl acetals with unsaturated acetal units are obtained by means of acetalization of partly hydrolysed or fully hydrolysed vinyl ester polymers having >50 mol % of vinyl alcohol units with one or more saturated, aliphatic aldehydes and one or more unsaturated, acyclic aliphatic aldehydes, the aldehydes optionally used in the form of their hemiacetals or full acetals. | 05-07-2009 |
| 20090105405 | USE OF POLYVINYL ACETALS AS A LOW-PROFILE ADDITIVE - Polyvinyl acetals prepared by acetalizing a hydrolyzed polyvinyl acetate homo- or copolymer with at least one of formaldehyde, acetaldehyde, propionaldehyde, or butyraldehyde are low profile additives in unsaturated polyester molding resins which still provide a uniform pigment distribution in molded parts. | 04-23-2009 |
| 20090030168 | PROCESS FOR PRODUCING CATIONICALLY STABILIZED AND WATER-REDISPERSIBLE POLYMER POWDER COMPOSITIONS - Redispersible polymer powders which are cationically stabilized by spray drying a polymer dispersion with a cationic polymer can be used in higher concentrations in chemical building construction materials without introducing adverse properties. | 01-29-2009 |
| 20080300345 | PROCESS FOR PRODUCING MOULDINGS FROM CORK PARTICLES - The use of water redispersible thermoplastic polymer powder stabilized with protective colloid as a binder in cork products produced from cork flour or granules allows use of reduced amounts of binder without compromising physical properties. | 12-04-2008 |
| 20080281035 | Silane-Modified Polyvinyl Alcohols - Silane-modified polyvinyl alcohols are obtained by treating vinyl alcohol polymers with one or more ethylenically unsaturated, silane-containing monomers at elevated temperature. | 11-13-2008 |
| 20080271848 | Silane-Modified Dispersion Powders - The invention relates to water-redispersible polymer powder compositions obtainable by means of free-radical-initiated polymerization in aqueous medium of one or more monomers from the group consisting of vinyl esters of unbranched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides and subsequent drying of the polymer dispersion obtained, characterized in that one or more silanes of the general formula (RO) | 11-06-2008 |
| 20080269390 | Dispersion Powders Containing Fatty Acid Anhydrides - The invention relates to water-redispersible polymer powder compositions containing from 0.1 to 70% by weight of one or more fatty acid anhydrides, based on the total weight of the polymer powder composition, and the use of these powders in hydraulically setting systems. | 10-30-2008 |
| 20080262152 | Solid Polyvinyl Ester and Poly(Meth)Acrylate Resins with High Polydispersity - Polyvinyl esters in the form of solid resins are obtained by free-radically initiated suspension polymerization, characterized in that the solid resin for a weight-average molecular weight Mw of <300,000 has a polydispersity PD of ≧5 and for a weight-average molecular weight Mw of 300,000 to 1,500,000 has a polydispersity PD of ≧10. | 10-23-2008 |
| 20080241314 | Compositions Of Polyvinylacetate and Vinylacetate-Vinyl Laurate Copolymer - The invention provides homogeneous compositions in solid form comprising
| 10-02-2008 |
| 20080221292 | Method For Producing Vinyl Chloride-Vinyl Acetate Copolymers In The Form Of Their Solid Resins - The invention provides a process for preparing vinyl chloride-vinyl acetate copolymers in the form of their solid resins by means of free-radically initiated suspension polymerization in aqueous medium of 70% to 90% by weight of vinyl chloride, 10% to 30% by weight of vinyl acetate and, if desired, further comonomers copolymerizable therewith, characterized in that 0.1% to 5% by weight of a vinyl acetate-vinyl chloride copolymer soluble in ethyl acetate is introduced as an initial charge, the amounts in % by weight being based in each case on the total weight of the comonomers. | 09-11-2008 |
