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    • 10. 发明授权
    • Polysiloxane graft copolymer latex for strengthening textile structures
    • 用于加强纺织结构的聚硅氧烷接枝共聚物胶乳
    • US5278228A
    • 1994-01-11
    • US539762
    • 1990-06-18
    • Martin MatnerRaoul ReszHeinrich AlbertsVolker Damrath
    • Martin MatnerRaoul ReszHeinrich AlbertsVolker Damrath
    • C08F283/12C09J151/00C09J151/08D06M13/02D06M13/07D06M13/224D06M13/322D06M13/345D06M13/348D06M15/643D06M15/647C08L51/08
    • C08F283/122D06M15/643
    • A binder for textile structures which are graft copolymer latices in which the following are incroporated in the graft copolymer:(1) as graft substrate, from 40 to 70% by weight, of a polyorganosiloxane end blocked with hydroxyl groups as indicated in the following general formula ##STR1## wherein R.sup.1 denotes alkyl groups having 1 to 24 carbon atoms or aryl groups having 6 to 10 carbon atoms,R.sup.2 denotes divalent alkylene groups having 1 to 8 carbon atoms,R.sup.3 denotes alkyl groups having 1 to 24 carbon atoms, aryl groups, alkoxy groups having 1 to 6 carbon atoms or a hydroxyl group,R.sup.2 and R.sup.3 together with the silicon atom may form a 5 membered or 6 membered ring containing a trivalent unbranched or branched alkyl group having to 8 carbon atoms, anda stands for 80 to 99 mol %,b stands for 1 to 20 mol %, anda+b=100 mol %and the viscosity of the polymer determined at 25.degree. C. is from 100 to 100,000 mPa.s,(2) as grafted vinyl polymer, from 30 to 60% by weight, of styrene and/or .alpha.-methyl styrene, (meth)acrylic acid ester, (meth)-acrylonitrile or mixtures of these monomers and optionally one or more vinyl monomers of the general formula ##STR2## wherein R' denotes a hydrogen atom or a methyl group,R" denotes a alkyl group having 1 to 18 carbon atoms,Y denotes a hydrogen atom or the group OH or OR andZ denotes OH or ##STR3##
    • 用于织物结构的粘合剂是接枝共聚物胶乳,其中以下在接枝共聚物中被覆盖:(1)作为接枝基材,40至70重量%的用羟基封端的聚有机硅氧烷末端,如以下通式所示 式(*化学结构*)其中R1表示具有1至24个碳原子的烷基或具有6至10个碳原子的芳基,R 2表示具有1至8个碳原子的二价亚烷基,R 3表示具有1至24个碳原子的烷基 芳基,碳原子数为1〜6的烷氧基或羟基,R2和R3与硅原子一起形成含有8个碳原子的三价未支链或支链烷基的5元或6元环, 表示80〜99摩尔%,b表示1〜20摩尔%,a + b = 100摩尔%,在25℃下测定的聚合物的粘度为100〜100,000mPa.s,(2)为 接枝乙烯基聚合物,重量比为30至60% 芘和/或(α) - 甲基苯乙烯,(甲基)丙烯酸酯,(甲基)丙烯腈或这些单体的混合物和任选的一种或多种通式(* CHEMICAL STRUCTURE *)的乙烯基单体,其中R'表示 氢原子或甲基,R“表示碳原子数1〜18的烷基,Y表示氢原子或基团OH或OR,Z表示OH或(*化学结构*)