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    Blends based on vinyl-aromatic polymers endowed with high mechanical characteristics
    3.
    发明授权
    Blends based on vinyl-aromatic polymers endowed with high mechanical characteristics 失效
    基于具有高机械特性的乙烯基芳族聚合物的共混物

    公开(公告)号：US5198495A

    公开(公告)日：1993-03-30

    申请号：US591687

    申请日：1990-10-02

    申请人： Gian C. Fasulo ,  Dario Ghidoni ,  Andrea Callaioli ,  Andrea Licon

    发明人： Gian C. Fasulo ,  Dario Ghidoni ,  Andrea Callaioli ,  Andrea Licon

    IPC分类号： C08L25/02 ,  C08L23/02 ,  C08L25/00 ,  C08L25/04 ,  C08L25/10 ,  C08L51/00 ,  C08L53/00 ,  C08L53/02

    CPC分类号： C08L23/02 ,  C08L51/003

    摘要： Blends based on vinyl-aromatic polymers endowed with high mechanical characteristics, even after successive processings at temperatures equal to or higher than 200.degree. C. and unvaried rheological properties, comprising:10 to 90% by weight of a vinyl-aromatic polymer containing from 0.5 to 5% by weight of a vinyl-aromatic monomer conjugated diene linear block copolymer and from 5 to 15% by weight of a diene rubber;5-50% by weight of a polyolefin; and5-40% by weight of a vinyl-aromatic monomer-conjugated diene star block radial copolymer, having a diene content comprised between 5 and 35% by weight; the sum of the three components being equal to 100%.

    摘要翻译： 即使在等于或高于200℃的温度下连续处理和不变的流变性能，基于具有高机械特性的乙烯基芳族聚合物的共混物，包含：10至90重量％的含有0.5重量份的乙烯基芳族聚合物 至5重量％的乙烯基芳族单体共轭二烯线性嵌段共聚物和5至15重量％的二烯橡胶; 5-50重量％的聚烯烃; 和5-40重量％的乙烯基芳族单体 - 共轭二烯星形嵌段径向共聚物，其二烯含量为5-35重量％ 三个成分的总和等于100％。

    Bimodal star-block copolymers, showing excellent optical properties and resilience, and process for their manufacture
    4.
    发明授权
    Bimodal star-block copolymers, showing excellent optical properties and resilience, and process for their manufacture 失效
    双峰星形嵌段共聚物，显示出优异的光学性能和弹性，以及其制造方法

    公开(公告)号：US4925899A

    公开(公告)日：1990-05-15

    申请号：US214831

    申请日：1988-07-01

    申请人： Gabriele Rendina ,  Roberto Nocci ,  Andrea Callaioli ,  Francesco Corrado

    发明人： Gabriele Rendina ,  Roberto Nocci ,  Andrea Callaioli ,  Francesco Corrado

    IPC分类号： C08F257/00 ,  C08F297/02 ,  C08F297/04 ,  C08G81/02

    CPC分类号： C08G81/022 ,  C08F297/044

    摘要： Bimodal star-block copolymers are disclosed containing from 60 to 90% by weight of an aromatic vinyl monomer and from 40 to 10% by weight of a conjugated diene, said copolymers having the general formula:(S--S.sub.1 --B/S.sub.2 --B.sub.1).sub.m --X--(B.sub.1 --S.sub.2 /B--S.sub.1).sub.nwherein X is a polyfunctional radical, m and n are integers (being m.ltoreq.n) the sum of which is between 3 and 20 and equal to the functionality degree of the radical X, S and S.sub.1 are polymer blocks of an aromatic vinyl monomer, B.sub.1 is an elastomeric copolymer of conjugated dienic units, containing up to 20% of all the dienic units of the copolymer, and B/S.sub.2 and S.sub.2 /B are blocks of copolymers of aromatic vinyl monomer and conjugated diene of the random and/or tapered type.

    摘要翻译： 公开了双峰型星形嵌段共聚物，其包含60至90重量％的芳族乙烯基单体和40至10重量％的共轭二烯，所述共聚物具有以下通式：（S-S1-B / S2-B1 ）mX-（B1-S2 / B-S1）n其中X是多官能基团，m和n是整数（m = n），其总和在3和20之间，并且等于 基团X，S和S1是芳族乙烯基单体的聚合物嵌段，B1是共轭二烯单元的弹性共聚物，其含有共聚物中所有二烯单元的多达20％，B / S2和S2 / B是 芳族乙烯基单体和随机和/或锥形类型的共轭二烯的共聚物。