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    • 3. 发明授权
    • ABS moulding compounds with novel morphology
    • ABS模塑料具有新颖的形态
    • US5674939A
    • 1997-10-07
    • US557359
    • 1995-11-13
    • Herbert EichenauerAdolf SchmidtEdgar LeitzKarl-Erwin Piejko
    • Herbert EichenauerAdolf SchmidtEdgar LeitzKarl-Erwin Piejko
    • C08L51/04C08F279/00C08F279/04C08L55/00C08L55/02
    • C08L55/02C08F279/04
    • Moulding compounds the ABS type consisting of at least one resin matrix and a particulate graft-rubber polymer distributed therein and produced by emulsion polymerisation, wherein at least 70% of the graft-rubber particles (number) exhibit a structure of the rubber phase which can be detected by photographs taken with the aid of a transmission electron microscope and in which the individual particles contain irregular cellular inclusions of resin-forming polymer and the surface of the particles exhibits an irregularly jagged structure such that, for each particle illustrated, 5 to 30 of such jagged projections are present which differ from an idealised round particle (with a diameter d) by virtue of a diameter d+d/x with x=3 to 15, as well as a process for the manufacture of said moulding compounds.
    • 成型化合物由至少一种树脂基质和分散在其中的颗粒状接枝橡胶聚合物组成的ABS类型,通过乳液聚合制备,其中至少70%的接枝橡胶颗粒(数量)表现出橡胶相的结构,其可以 通过借助透射电子显微镜拍摄的照片进行检测,其中各个颗粒含有不规则的树脂形成性聚合物的细胞夹杂物,并且颗粒的表面呈现不规则的锯齿状结构,使得对于所示的每个颗粒为5〜30 存在这样的锯齿形突起,其与理想化的圆形颗粒(直径d)不同,其直径d = + d / x,x = 3〜15,以及制造所述模塑料的方法。
    • 9. 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。