Random butadiene-isoprene copolymers with a trans-1, 4 structure
    53.
    发明申请
    Random butadiene-isoprene copolymers with a trans-1, 4 structure 有权
    具有反式-1,4结构的无规丁二烯 - 异戊二烯共聚物

    公开(公告)号:US20050222348A1

    公开(公告)日:2005-10-06

    申请号:US10488260

    申请日:2002-08-27

    摘要: A description follows of random butadiene-isoprene copolymers with a trans-1,4 structure, having a butadiene/isoprene molar composition ranging from 98/2 to 32/68, the above copolymers being crystalline or amorphous depending on the isoprene content. The process for the preparation of the above copolymers is also described, in the present of a catalytic system which comprises: (a) a first component consisting of a vanadium compound selected from: (a1) compounds having general formula (Ia) VO(L)n(X)m wherein n is an integer from 1 to 3 and m ranges from zero to 2, n+m being equal to 2 or 3; (a2) compounds having general formula (Ib) V(L)p(X)q wherein p is an integer from 1 to 4, q ranges from zero to 3, the sum of p+q being equal to 3 or 4; wherein L is a bidentate ligand and X is a halogen, preferably Chlorine; (b) a second component selected from aluminoxanes and rclativc dcrivativcs.

    摘要翻译: 下面描述具有反式-1.4结构的无规丁二烯 - 异戊二烯共聚物,其丁二烯/异戊二烯摩尔组成范围为98/2至32/68,上述共聚物根据异戊二烯含量是结晶或无定形的。 上述共聚物的制备方法还描述在催化体系中,该催化体系包括:(a)由选自以下的钒化合物组成的第一组分:(a1)具有通式(Ia)的化合物VO(L 其中n为1〜3的整数,m为0〜2,n + m为2或3; n为1〜3的整数。 (a2)具有通式(Ib)的化合物V(L)p(X)q其中p为1至4的整数,q的范围为0至3, p + q的和等于3或4; 其中L是双齿配体,X是卤素,优选氯; (b)选自铝氧烷和硫酸锌的第二组分。

    Bridged metallocene complexes, process for preparing the same and use thereof
    54.
    发明申请
    Bridged metallocene complexes, process for preparing the same and use thereof 有权
    桥连茂金属络合物,其制备方法及其应用

    公开(公告)号:US20050215739A1

    公开(公告)日:2005-09-29

    申请号:US11083498

    申请日:2005-03-18

    摘要: Provided is a bridged cyclopentadienyl-dicarbollide complex having the formula of {L[(Cp)(C2B9R110)]}MR in which Cp is an unsubstituted, alkyl-substituted, aryl-substituted or fused ring cyclopentadienyl, R1 is hydrogen, or alkyl, L is a bridging unit that bonds to both Cp ring and cage carbon atoms, R is alkyl, aryl or a derivative thereof and M is Ti, Zr or Hf. A process for preparing the complex disclosed herein is also provided.

    摘要翻译: 本发明提供了具有下式的桥连环戊二烯基 - 二碳化物复合物:{L [(Cp)(C 2)2 N 9 R 12) 其中Cp是未取代的烷基取代的芳基取代或稠环环戊二烯基,R 1是氢或烷基,L是连接到 Cp环和笼碳原子,R是烷基,芳基或其衍生物,M是Ti,Zr或Hf。 还提供了制备本文公开的复合物的方法。

    Polymer, process for producing the polymer and curable composition containing the polymer
    58.
    发明申请
    Polymer, process for producing the polymer and curable composition containing the polymer 失效
    聚合物,制备聚合物的方法和含有聚合物的可固化组合物

    公开(公告)号:US20050148737A1

    公开(公告)日:2005-07-07

    申请号:US11015017

    申请日:2004-12-20

    CPC分类号: C08F2/38

    摘要: This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living radical polymerization of a radical-polymerizable vinyl monomer. The present invention relates to a vinyl polymer having a functional group at a molecular terminus, a production method of the same and a curable composition containing said polymer.

    摘要翻译: 本发明提供了一种在分子链末端具有官能团的乙烯基聚合物的制备方法,该方法包括在(a)的活性自由基聚合中加入具有官能团和内部烯基或共轭多烯化合物(II)的化合物(I) 可自由基聚合的乙烯基单体。 本发明涉及在分子末端具有官能团的乙烯基聚合物,其制备方法和含有所述聚合物的可固化组合物。