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    • 10. 发明授权
    • Core/shell copolymer dispersion whose shell comprises hydrolyzable
organosilicon comonomers
    • 壳/壳共聚物分散体,其壳包含可水解的有机硅共聚单体
    • US5708093A
    • 1998-01-13
    • US505354
    • 1995-10-02
    • Thomas BastelbergerHermann LutzPeter Heiling
    • Thomas BastelbergerHermann LutzPeter Heiling
    • C08F230/08C04B26/32C08F2/24C08F30/08C08F291/00C09D151/00C09J151/00E04F13/02
    • E04F13/02C04B26/32C08F291/00C09D151/003C09J151/003Y10S525/902
    • The invention relates to core/shell copolymer dispersions whose shell comprises hydrolyzable organosilicon comonomers, the shell consisting of a copolymer comprising, a) from 70 to 95% by weight of acrylic and/or methacrylic C.sub.1 to C.sub.10 alkyl esters of which from 20 to 80% by weight, based on the overall weight of a), have a water-solubility of not more than 2 g/l and from 80 to 20% by weight, based on the overall weight of a), have a water-solubility of at least 10 g/l, b) from 5 to 25% by weight of one or more ethylenically unsaturated, functional and water-soluble monomers including a proportion of from 25 to 100% by weight, based on the overall weight of b), of unsaturated carboxylic acids, and c) from 0.01 to 10% by weight of one or more olefinically unsaturated, hydrolyzable silicon compounds of the general formula R.sup.1 --Si(OR.sup.2).sub.3, and whose core, making up a proportion of from 75 to 98% by weight of the overall weight of the core/shell copolymer, consists of a polymer comprising d) one or more comonomers from the group consisting of vinyl esters, acrylic and/or methacrylic esters, vinyl chloride, vinylaromatic compounds and ethylene.
    • PCT No.PCT / EP94 / 00624 Sec。 371 1995年10月2日日期 102(e)日期1995年10月2日PCT 1994年3月3日PCT公布。 公开号WO94 / 20556 日期1994年9月15日本发明涉及其壳包含可水解有机硅共聚单体的壳/壳共聚物分散体,壳由共聚物组成,该共聚物包含:a)70至95重量%的丙烯酸和/或甲基丙烯酸C1至C10烷基酯 其基于a)的总重量为20至80重量%,基于a)的总重量具有不超过2g / l和80至20重量%的水溶性,具有 至少10g / l的水溶性,b)5至25重量%的一种或多种烯键式不饱和官能和水溶性单体,其包含基于总体的25至100重量%的比例 b)的不饱和羧酸的重量,和c)0.01至10重量%的一种或多种通式R 1 -Si(OR 2)3的烯属不饱和可水解的硅化合物,其核心占组成比例 的核/壳共聚物的总重量的75-98重量%由聚醚组成 r包含d)一种或多种由乙烯基酯,丙烯酸和/或甲基丙烯酸酯组成的组的共聚单体,氯乙烯,乙烯基芳族化合物和乙烯。