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    • 2. 发明授权
    • Process for producing a vinyl terpolymer using reactors arranged in
series
    • 使用串联排列的反应器生产乙烯基三元共聚物的方法
    • US5310831A
    • 1994-05-10
    • US640436
    • 1991-01-30
    • Katsuaki MaedaAkihiro WatanabeHajime Nishihara
    • Katsuaki MaedaAkihiro WatanabeHajime Nishihara
    • C08K7/14C08F2/00C08F2/02C08F2/04C08F2/06C08F22/36C08F212/00C08F212/08C08F212/10C08F220/42C08F222/40C08K7/00C08L25/00C08L25/02C08L25/12C08L33/18C08L35/06C08L51/00C08L51/04C08L69/00C08F26/00
    • C08L35/06C08F212/10C08F222/40C08L25/02C08L51/00
    • This invention is directed to a thermoplastic terpolymer excelling in thermal stability and transparency and possessing high mechanical strength, specifically a thermoplastic copolymer (I) composed of 30 to 70% by weight of (A) an aromatic vinyl compound unit, 4 to 40% by weight of (B) a vinyl cyanide unit, and 26 to 50% by weight of (C) an N-substituted maleimide and characterized by having a narrow distribution of molecular weight divisions of copolymer composition as measured by GPC, having substantially no acetone-insoluble content, possessing a weight average molecular weight in the range of 100,000 to 300,000 and a number average molecular weight in the range of 50,000 to 150,000, and having a residual N-substituted maleimide content of not more than 50 ppm. It further concerns a method for efficient production of the thermoplastic copolymer and a thermoplastic resin composition containing the copolymer I, allowing manufacture of shaped articles excelling in thermal stability and resistance to chemicals and, at the same time, possessing high impact strength, and befitting materials for automobile interior parts and electrical and electronic parts.
    • PCT No.PCT / JP90 / 00704 Sec。 371日期1991年1月30日 102(e)1991年1月30日PCT PCT 1990年5月30日PCT公布。 WO90 / 15100 PCT出版物 日本1990年12月13日。本发明涉及热稳定性和透明性优异并且具有高机械强度的热塑性三元共聚物,特别是由30〜70重量%的(A)芳族乙烯基化合物 单元,(B)乙烯基氰单元为4〜40重量%,以及26〜50重量%的(C)N-取代马来酰亚胺,其特征在于,通过以下方法测定的共聚物组成的分子量分布窄 GPC基本上不含丙酮不溶成分,重均分子量为100,000〜300,000,数均分子量为50,000〜150,000,残留的N-取代马来酰亚胺含量不大于 50 ppm。 它还涉及一种有效生产热塑性共聚物的方法和一种含有共聚物I的热塑性树脂组合物,可以制造出具有良好的热稳定性和耐化学性的成型制品,同时具有高冲击强度和适合材料 用于汽车内饰件和电气电子部件。
    • 4. 发明授权
    • Multi-layer structure polymer and resin composition
    • 多层结构聚合物和树脂组合物
    • US5137979A
    • 1992-08-11
    • US480971
    • 1990-02-16
    • Katsuaki MaedaHajime NishiharaJunji Seki
    • Katsuaki MaedaHajime NishiharaJunji Seki
    • C08F2/22C08F2/24C08F285/00
    • C08F285/00Y10S525/902
    • A multi-layer structure polymer (A) comprising (i) 2 to 30% by weight of an alkyl methacrylate unit, (ii) 50 to 80% by weight of an alkyl acrylate unit, (iii) 5 to 20% by weight of an unsaturated nitrile unit and (iv) 5 to 40% by weight of an aromatic vinyl unit, wherein:(a) the multi-layer structure polymer consists essentially of an inner layer and an outer layer in a ring form, the portion of the inner layer (.beta. layer) within the ring has an average diameter of 2,000 to 6,500 .ANG.,(b) the outer layer (.alpha. layer) portion surrounding the inner layer in the ring form has an average thickness of 200 to 500 .ANG.,(c) the inner layer portion has a plurality of small particles (.gamma. layer) totally micro-dispersed, and(d) the multi-layer structure polymer has an acetone-insoluble portion having (i) a swell degree in methyl ethyl ketone of 1.5 to 10 and (ii) a tensile modulus of 1,000 to 10,000 kg/cm.sup.2, a resin composition having excellent weatherability and impact resistance comprising the multi-layer structure polymer (A) and at least one thermoplastic resin, and a molded article produced therefrom.
    • 一种多层结构聚合物(A),其包含(i)2至30重量%的甲基丙烯酸烷基酯单元,(ii)50至80重量%的丙烯酸烷基酯单元,(iii)5至20重量% 不饱和腈单元和(iv)5-40重量%的芳族乙烯基单元,其中:(a)多层结构聚合物基本上由内层和环形外层组成, 环内的内层(β层)的平均直径为2000至6,500安,(b)环形内层的外层(α层)部分的平均厚度为200至500安培,(c )内层部分具有完全微分散的多个小颗粒(γ层),(d)多层结构聚合物具有丙酮不溶部分,其中(i)甲基乙基酮的溶胀度为1.5〜 10和(ii)1000〜10,000kg / cm 2的拉伸弹性模量,具有优异的耐候性和抗冲击性的树脂组合物 其包含多层结构聚合物(A)和至少一种热塑性树脂,以及由其制备的模制品。