申请人:Wacker Polymer System GmbH & Co. KG
公开号:US20010034399A1
公开(公告)日:2001-10-25
The present invention provides a crosslinkable polymer composition in the form of its aqueous polymer dispersion or polymer powder, including A) a copolymer having a glass transition temperature Tg or a melting temperature of ≧30° C. and containing units derived from one or more comonomers selected from the group consisting of vinyl esters of branched or unbranched alkylcarboxylic acids of 1 to 18 carbon atoms, acrylic esters or methacrylic esters of branched or unbranched alcohols of 1 to 15 carbon atoms, dienes, olefins, vinyl aromatics and vinyl halides and from 0.1 to 50% by weight, based on the total weight of the comonomers, of one or more ethylenically unsaturated carboxyl-containing comonomers, and B) a copolymer containing units derived from one or more comonomers selected from the group consisting of vinyl esters of branched or unbranched alkylcarboxylic acids of 1 to 18 carbon atoms, acrylic esters or methacrylic esters of branched or unbranched alcohols of 1 to 15 carbon atoms, dienes, olefins, vinyl aromatics and vinyl halides and from 0.1 to 50% by weight, based on the total weight of the comonomers, of one or more ethylenically unsaturated comonomers having functional groups capable of entering a covalent bond with the carboxyl groups of said copolymer A).
本发明提供了一种水性聚合物分散体或聚合物粉末形式的可交联聚合物组合物,包括 A) 共聚物,其玻璃化温度 Tg 或熔融温度为 ≧30° C.A) 具有玻璃化转变温度 Tg 或熔融温度 ≧30°C,且含有一种或多种共聚单体的共聚物,这些共聚单体选自 1 至 18 个碳原子的支链或未支链烷基羧酸的乙烯基酯、1 至 15 个碳原子的支链或未支链醇的丙烯酸酯或甲基丙烯酸酯、二烯烃、烯烃、乙烯基芳烃和乙烯基卤化物,以及 0.B)一种共聚物,含有从 1 至 18 个碳原子的支链或未支链烷基羧酸的乙烯基酯组成的组中选出的一种或多种共聚物衍生的单元、1 至 15 个碳原子的支链或未支链醇、二烯、烯烃、乙烯基芳烃和乙烯基卤化物的丙烯酸酯或甲基丙烯酸酯,以及 0.一种或多种乙烯基不饱和共聚物,其官能团可与所述共聚物 A) 的羧基形成共价键。