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    • 69. 发明授权
    • ABS type thermoplastic moulding compounds
    • ABS型热塑性成型料
    • US5719232A
    • 1998-02-17
    • US424656
    • 1995-04-19
    • Adolf SchmidtHerbert EichenauerUlrich Jansen
    • Adolf SchmidtHerbert EichenauerUlrich Jansen
    • C08F2/22C08L55/02
    • C08L55/02Y10S525/902
    • ABS type thermoplastic moulding compounds obtainable by A) producing a rubber latex with an average particle diameter d.sub.50 of 30 to 160 nm and a gel content of 75 to 100 wt. % B) emulsion polymerization of an amount of butadiene and optionally up to 50 wt. % (with reference to the total amount of monomer in stage B) of a comonomer in the presence of the rubber obtained in stage A, such that a rubber latex (B) with an average particle diameter d.sub.50 =220 to 330 nm and a gel content of 25 to 70 wt. % is produced, C) emulsion polymerization of 40 to 95 parts by wt. of a mixture of styrene and acrylonitrile, which optionally contains up to 50 wt. % (with reference to the total amount of monomers used in stage C) of one or more comonomers, in the presence of 5 to 60 parts by wt. (with reference to the solids) of the rubber obtained in stage B by introducing the monomer in such a way that 55 to 90 wt. % of the monomers are added within the first half of the total monomer introduction time, and D) mixing the polymer obtained in stage C, preferably after first converting it into a powder, with at least one thermoplastic vinyl resin.
    • ABS型热塑性成型化合物,其可通过以下方法得到:A)制备平均粒径d50为30〜160nm,凝胶含量为75〜100重量%的橡胶胶乳。 B)一定量的丁二烯的乳液聚合和任选的至多50wt。 在阶段A中获得的橡胶存在下,共聚单体的%(相对于阶段B中的单体的总量),使得平均粒径d 50 = 220〜330nm的橡胶胶乳(B)和凝胶 含量为25〜70wt。 产生%,C)乳液聚合40〜95重量份。 的苯乙烯和丙烯腈的混合物,其任选地含有至多50重量% 在5至60重量份存在下,一种或多种共聚单体的%(相对于阶段C中使用的单体的总量)。 (相对于固体),通过以55〜90重量%的比例引入单体,得到阶段B中得到的橡胶。 在全部单体引入时间的前半部分内加入%的单体,和D)将在阶段C中获得的聚合物,优选在首先将其转化为粉末之后,与至少一种热塑性乙烯基树脂混合。
    • 70. 发明授权
    • Thermoplastic ABS moulding compositions
    • 热塑性ABS模塑组合物
    • US5708079A
    • 1998-01-13
    • US642913
    • 1996-05-06
    • Herbert EichenauerEdgar LeitzKarl-Erwin PiejkoPeter Kruger
    • Herbert EichenauerEdgar LeitzKarl-Erwin PiejkoPeter Kruger
    • C08L51/04C08F2/26C08F279/00C08F279/04C08L55/00C08L55/02C08L101/00
    • C08L55/02
    • Thermoplastic moulding compositions containing A) 5 to 95 parts by wt of at least one particle-shaped graft rubber polymer of the ABS type manufactured by emulsion polymerization, in which the graft rubber particles have such a structure detectable by transmission electron microscope photographs, in which the individual particles contain irregular cell-shaped inclusions of resin-forming polymer and the surface of the particles shows such an irregular toothed structure, that for every particle imaged 5 to 30 of such teeth are present, which are distinguished from an idealized round particle (with a diameter d) by a diameter d+d/x with x=3 to 15, B) 95 to 5 parts by wt of at least one particle-shaped graft rubber polymer of the ABS type manufactured by emulsion polymerization, in which the graft rubber particles have such a structure detectable by transmission electron microscope photographs, in which the individual particles do not have a pronounced inner structure as in A) and possess a round particle shape with completely tooth-free surface and optionally C) 0 to 300 parts by wt of at least one thermoplastic rubber-free resin.
    • 含有A)5〜95重量份的通过乳液聚合制造的ABS型的至少一种颗粒状接枝橡胶聚合物,其中接枝橡胶颗粒具有通过透射电子显微镜照片可检测的结构,其中 单个颗粒含有不规则的形成树脂的聚合物的细胞形夹杂物,并且颗粒的表面显示出这种不规则的齿状结构,对于存在这种齿的5至30个的每个颗粒,其与理想化的圆形颗粒 直径d)直径d + d / x,x = 3〜15,B)95〜5重量份的通过乳液聚合制造的ABS型的至少一种颗粒状接枝橡胶聚合物,其中 接枝橡胶颗粒具有通过透射电子显微镜照片可检测的结构,其中单个颗粒不具有如A)中明显的内部结构,并具有 具有完全无牙表面的圆形颗粒形状和任选的C)0至300重量份的至少一种不含热塑性橡胶的树脂。