Abstract: The present invention relates to a polymer latex obtained by aqueous emulsion polymerization of a mixture of ethylenically unsaturated monomers comprising a) vinyl aromatic compounds; b) conjugated dienes; c) hydroxyalkyl esters of ethylenically unsaturated acids in an amount of 2 to 10 wt.-% based on the total weight of monomers; and d) ethylenically unsaturated carboxylic acids or salts thereof in an amount of 0 to 0.15 wt.-% based on the total weight of monomers; wherein the weight ratio of vinyl aromatic compounds to conjugated dienes is at least 1.3:1 and the polymer latex comprises 2 to 10 wt.-% based on total weight of monomers of non-ionic surfactants having an HLB of 17 to 19 and to constructions materials, preferably cementitious compositions comprising same.
Abstract: The present invention relates to a textile fiber structure comprising man-made fibers fortified by a binder comprising a polymer latex obtained from the emulsion polymerization in aqueous medium of a mixture of ethylenically unsaturated monomers comprising: (a) an aliphatic conjugated diene (b) a vinyl aromatic compound; (c) an ethylenically unsaturated silane bearing at least one silicon bonded hydrolysable group, and (d) an ethylenically unsaturated acid and to its use in construction applications, and to the use of the above binder to fortify textile fiber structures.
Type:
Grant
Filed:
February 25, 2019
Date of Patent:
November 17, 2020
Assignee:
Synthomer Deutschland GmbH
Inventors:
Alexandra Abele, Sören Butz, Martin Driever, Andreas Gehr, Michael Karnop, Peter Ludwig
Abstract: The present invention relates to a textile fiber structure comprising man-made fibers fortified by a binder comprising a polymer latex obtained from the emulsion polymerization in aqueous medium of a mixture of ethylenically unsaturated monomers comprising: (a) an aliphatic conjugated diene (b) a vinyl aromatic compound; (c) an ethylenically unsaturated silane bearing at least one silicon bonded hydrolysable group, and (d) an ethylenically unsaturated acid and to its use in construction applications, and to the use of the above binder to fortify textile fiber structures.
Type:
Application
Filed:
February 25, 2019
Publication date:
August 29, 2019
Applicant:
Synthomer Deutschland GmbH
Inventors:
Alexandra Abele, Sõren Butz, Martin Driever, Andreas Gehr, Michael Karnop, Peter Ludwig
Abstract: A reaction product is obtained by free-radical emulsion polymerization in an aqueous medium of ethylenically unsaturated monomers including at least one conjugated diene. The free-radical emulsion polymerization is conducted in the presence of a degraded polysaccharide having a DE of 38 to 70 measured according to ISO 5377 (1981 Feb. 15) and optionally an alkyl mercaptan in an amount of no more than 2.5 weight percent based on the total weight of ethylenically unsaturated monomers. A coating composition includes the reaction product, and a paper or a board can be coated with such a coating composition.
Type:
Grant
Filed:
June 17, 2013
Date of Patent:
May 1, 2018
Assignee:
Synthomer Deutschland GmbH
Inventors:
Claudia Eigen, Martina Pieper, Bertholt Schostak, Uwe Schulze, Gareth Simpson, Michael Voss