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    • 1. 发明授权
    • Storage-stable, silane-modified core-shell copolymers
    • 储存稳定的硅烷改性的核 - 壳共聚物
    • US5994428A
    • 1999-11-30
    • US128921
    • 1998-08-04
    • Hermann LutzTheo MayerThomas Bastelberger
    • Hermann LutzTheo MayerThomas Bastelberger
    • C08F2/38C08F265/04C08F265/06C08F291/00C08F275/00
    • C08F265/06C08F265/04C08F291/00
    • Storage-stable, silane-modified core-shell copolymers are provided comprising a shell-forming copolymer I ofa) from 70 to 95% by weight, based on the overall weight of the shell, of acrylic and/or methacrylic C.sub.1 - to C.sub.10 -alkyl esters of which from 20 to 80% by weight have a water solubility of not more than 2 g/l and from 80 to 20% by weight, based in each case on the comonomers a), have a water solubility of at least 10 g/l, andb) from 5 to 30% by weight, based on the overall weight of the shell, of one or more ethylenically unsaturated, functional and water-soluble monomers including a proportion of from 25 to 100% by weight, based on the comonomers b), of unsaturated carboxylic acids, and a core-forming copolymer II of one or more monomers c) from the group of the vinyl esters, monoolefinically unsaturated mono- or dicarboxylic esters, vinylaromatic compounds, olefins, 1,3-dienes and vinyl halides,wherein the shell contains no silane compounds and the core comprises one or more silane compounds d) from the group of the mercaptosilanes alone or in combination with olefinically unsaturated, hydrolyzable silicon compounds.
    • 提供了储存稳定的硅烷改性的核 - 壳共聚物,其包含a)70至95重量%的壳形共聚物I,基于壳的总重量,丙烯酸和/或甲基丙烯酸C 1 -C 10 - 烷基酯的20至80重量%水溶性不超过2克/升和80至20重量%,基于共聚单体a),其水溶性至少为 10g / l,和b)5至30重量%,基于壳的总重量,一种或多种烯键式不饱和官能和水溶性单体,其包含25至100重量%的比例, 基于共聚单体b)的不饱和羧酸,以及一种或多种单体的成核共聚物II,c)来自乙烯基酯,单烯属不饱和单或二羧酸酯,乙烯基芳族化合物,烯烃,1,3 二烯和卤乙烯,其中所述壳不含硅烷化合物,并且所述核包含一个或多个Si 泳道化合物d)单独的巯基硅烷基团或与烯属不饱和的可水解的硅化合物组合。
    • 4. 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。