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    Ethylene/aromatic vinyl copolymer and molded product thereof
    1.
    发明授权
    Ethylene/aromatic vinyl copolymer and molded product thereof 有权
    乙烯/芳族乙烯基共聚物及其成型体

    公开(公告)号：US06410673B1

    公开(公告)日：2002-06-25

    申请号：US09581812

    申请日：2000-06-19

    申请人： Toru Arai ,  Masataka Nakajima ,  Toshiaki Otsu ,  Takeshi Oda ,  Takanori Naoe ,  Yukiko Nishitoba

    发明人： Toru Arai ,  Masataka Nakajima ,  Toshiaki Otsu ,  Takeshi Oda ,  Takanori Naoe ,  Yukiko Nishitoba

    IPC分类号： C08F21202

    CPC分类号： C08J5/18 ,  C08F4/65912 ,  C08F12/08 ,  C08F210/02 ,  C08J2323/08 ,  Y10S428/91 ,  C08F212/08 ,  C08F2500/03 ,  C08F2500/26 ,  C08F4/65927

    摘要： An ethylene-aromatic vinyl compound copolymer characterized by satisfying the following conditions: (1) the aromatic vinyl compound content is from 0.5 mol % to 10 mol %; (2) as measured with respect to a molded product having a thickness of 0.2 mm, the haze is at most 14%, or the total light transmittance is at least 90%; (3) an ethylene-aromatic vinyl compound copolymer characterized in that the relation of the aromatic vinyl compound content and the glass transition point (Tg) obtained by an inflection point method as observed at a temperature of at least −50° C. by a differential scanning calorimeter (DSC), satisfies the following formula (1): −20+1.00St>Tg>−30+1.05St  Formula (1)  wherein St represents the aromatic vinyl compound content (molar fraction %) in the copolymer; and (4) the weight average molecular weight is from 140,000 to 500,000 when the aromatic vinyl compound content is from 5 mol % to 10 mol %, or from 60,000 to 500,000 when the content is from 0.5 mol % to less than 5 mol %.

    摘要翻译： 一种乙烯 - 芳族乙烯基化合物共聚物，其特征在于满足以下条件：（1）芳族乙烯基化合物含量为0.5mol％至10mol％;（2）对于厚度为0.2mm的成型产品， 雾度为14％以下，全光线透射率为90％以上;（3）乙烯 - 芳香族乙烯基化合物共聚物，其特征在于，芳族乙烯基化合物含量与玻璃化转变温度（Tg）的关系为 通过差示扫描量热计（DSC）在至少-50℃的温度下观察到的拐点法满足下式（1）：其中St表示共聚物中的芳族乙烯基化合物含量（摩尔分数％） ; 和（4）当芳族乙烯基化合物含量为5摩尔％至10摩尔％时，重均分子量为14万至500,000，当含量为0.5摩尔％至小于5摩尔％时，重均分子量为6万至500,000。

    Cross-copolymerized olefin/aromatic vinyl/diene copolymer and process for producing the same
    3.
    发明授权
    Cross-copolymerized olefin/aromatic vinyl/diene copolymer and process for producing the same 有权
    交联共聚烯烃/芳族乙烯基/二烯共聚物及其制备方法

    公开(公告)号：US06566453B1

    公开(公告)日：2003-05-20

    申请号：US09831358

    申请日：2001-05-14

    申请人： Toru Arai ,  Masataka Nakajima ,  Toshiaki Otsu

    发明人： Toru Arai ,  Masataka Nakajima ,  Toshiaki Otsu

    IPC分类号： C08F27900

    CPC分类号： C08F210/02 ,  C08F255/00 ,  C08J5/18 ,  C08J2351/06 ,  C08L51/06 ,  C08F212/08 ,  C08F212/36 ,  C08F2500/03 ,  C08F2500/20 ,  C08F2500/21 ,  C08L23/06

    摘要： A highly uniform vinyl compound polymer-cross-copolymerized olefin/styrene/diene copolymer excellent in processability, mechanical properties, high temperature properties, compatibility and transparency, and its composition and a process for its production, are provided. This copolymer is a crossed polymer obtained by cross-copolymerizing an olefin/styrene/diene copolymer having a styrene content of from 0.03 mol % to 96 mol %, a diene content of from 0.0001 mol % to 3 mol % and the rest being an olefin, with an olefin/aromatic vinyl compound copolymer.

    摘要翻译： 提供了加工性，机械性能，高温性能，相容性和透明性优异的高度均匀的乙烯基化合物 - 交联共聚的烯烃/苯乙烯/二烯共聚物及其组成及其生产方法。 该共聚物是通过交联共聚苯乙烯含量为0.03摩尔％至96摩尔％，二烯含量为0.0001摩尔％至3摩尔％的烯烃/苯乙烯/二烯共聚物而得到的交叉聚合物，其余为烯烃 与烯烃/芳族乙烯基化合物共聚物。

    Process for producing olefin/aromatic vinyl copolymer
    6.
    发明授权
    Process for producing olefin/aromatic vinyl copolymer 失效
    烯烃/芳族乙烯基共聚物的制备方法

    公开(公告)号：US07022794B2

    公开(公告)日：2006-04-04

    申请号：US10477548

    申请日：2002-05-15

    申请人： Toru Arai ,  Toshiaki Otsu ,  Masataka Nakajima

    发明人： Toru Arai ,  Toshiaki Otsu ,  Masataka Nakajima

    IPC分类号： C08F212/02

    CPC分类号： C08F212/04 ,  C08F4/65912 ,  C08F210/00 ,  C08F210/02 ,  C08K5/0091 ,  C08F4/65927 ,  C08F212/00 ,  C08F212/08 ,  C08F2500/20 ,  C08F2500/12 ,  C08F2500/26

    摘要： An olefin/aromatic vinyl compound copolymer which is excellent in transparency and which satisfies flexibility and heat resistance simultaneously can be produced by carrying out polymerization in such a manner that at least one of conditions: (a) the polymerization is carried out to an aromatic vinyl compound monomer conversion ratio of at least 50 mol % when the polymerization is completed, and (b) the polymer concentration is at least 10 mass % relative to the polymerization solution when the polymerization is completed, is satisfied, and the olefin partial pressure is changed so that the olefin partial pressure when the polymerization is completed is from 1.3 to 20 times the olefin partial pressure at the initiation of the polymerization.

    摘要翻译： 透明性优异并且同时满足柔软性和耐热性的烯烃/芳香族乙烯基化合物共聚物可以通过以下方式进行聚合来制造：使以下条件中的至少一个条件：（a）聚合进行芳族乙烯基 当聚合完成时，化合物单体转化率至少为50摩尔％，（b）当聚合完成时聚合物浓度相对于聚合溶液为至少10质量％，并且烯烃分压变化 使得当聚合完成时的烯烃分压是聚合开始时烯烃分压的1.3至20倍。

    Cross-copolymerized olefin/aromatic vinyl compound/diene copolymer and process for its production
    8.
    发明授权
    Cross-copolymerized olefin/aromatic vinyl compound/diene copolymer and process for its production 有权
    交联共聚烯烃/芳族乙烯基化合物/二烯共聚物及其生产方法

    公开(公告)号：US06803422B2

    公开(公告)日：2004-10-12

    申请号：US10078668

    申请日：2002-02-21

    申请人： Toru Arai ,  Toshiaki Otsu ,  Masataka Nakajima

    发明人： Toru Arai ,  Toshiaki Otsu ,  Masataka Nakajima

    IPC分类号： C08F27900

    CPC分类号： C08F251/02 ,  C08F4/65912 ,  C08F210/02 ,  C08F210/18 ,  C08F4/65927 ,  C08F212/08 ,  C08F212/36 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/11

    摘要： A highly uniform vinyl compound polymer-cross-copolymerized olefin/styrene/diene copolymer excellent in processability, mechanical properties, high temperature properties, compatibility and transparency, and its composition and a process for its production, are provided. This copolymer is a crossed polymer obtained by cross-copolymerizing an olefin/styrene/diene copolymer having a styrene content of from 0.03 mol % to 96 mol %, a diene content of from 0.0001 mol % to 3 mol % and the rest being an olefin, with an olefin/aromatic vinyl compound copolymer.

    摘要翻译： 提供了加工性，机械性能，高温性能，相容性和透明性优异的高度均匀的乙烯基化合物 - 交联共聚的烯烃/苯乙烯/二烯共聚物及其组成及其生产方法。 该共聚物是通过交联共聚苯乙烯含量为0.03摩尔％至96摩尔％，二烯含量为0.0001摩尔％至3摩尔％的烯烃/苯乙烯/二烯共聚物而得到的交叉聚合物，其余为烯烃 与烯烃/芳族乙烯基化合物共聚物。