Linear block copolymers process for their preparation and adhesive
composition containing them
    1.
    发明授权
    Linear block copolymers process for their preparation and adhesive composition containing them 失效
    用于其制备的线性嵌段共聚物方法和含有它们的粘合剂组合物

    公开(公告)号:US5554697A

    公开(公告)日:1996-09-10

    申请号:US583241

    申请日:1996-01-05

    CPC分类号: C08F297/04 C09J153/02

    摘要: Block copolymers of the structure A-B-C-D of improved processability derived from a vinyl aromatic monomer and a conjugated diene, having a total bound vinyl aromatic content in the range of from 10 to 40 wt %, wherein the conjugated diene has been polymerized in a 1,2 or 3,4 addition in an amount of from 1 to 20% of the total bound conjugated diene, and wherein A represents a predominantly poly(vinylaromatic)block, B represents a predominantly poly(conjugated diene), D represents a predominantly poly(vinylaromatic)block, and C represents a tapered block of the conjugated diene occurring in the block B and a the vinyl aromatic occuring in the block D, wherein the tapering in block C shows an increasing content of vinyl aromatic monomer in the direction to block D, wherein the weight ratio of the conjugated diene occurring in block B and the conjugated diene occurring in block C is in the range of from 5:5 to 9:1, and wherein the total apparent molecular weight of which is in the range of from 130,000 to 300,000.

    摘要翻译: 乙烯基芳族单体和共轭二烯衍生的改进加工性的结构ABCD的嵌段共聚物,总结合的乙烯基芳族化合物含量为10〜40重量%,其中共轭二烯已经在1,2 或3,4加入量为总结合共轭二烯的1至20%,并且其中A表示主要为聚(乙烯基芳族化合物)嵌段,B表示主要为聚(共轭二烯),D表示主要为聚(乙烯基芳族化合物) )嵌段,C表示嵌段B中发生的共轭二烯的渐缩嵌段和在块D中发生的乙烯基芳族化合物,其中嵌段C中的渐缩显示乙烯基芳族单体在阻断D的方向上的含量增加, 其中嵌段B中发生的共轭二烯和嵌段C中发生的共轭二烯的重量比在5:5至9:1的范围内,其中总表观分子量在 从13万到30万。

    Linear block copolymers, process for their preparation and adhesive
composition containing them
    2.
    发明授权
    Linear block copolymers, process for their preparation and adhesive composition containing them 失效
    线性嵌段共聚物,其制备方法和含有它们的粘合剂组合物

    公开(公告)号:US5510423A

    公开(公告)日:1996-04-23

    申请号:US414842

    申请日:1995-03-31

    CPC分类号: C08F297/04 C09J153/02

    摘要: Block copolymers of the structure A-B-C-D of improved processability derived from a vinyl aromatic monomer and a conjugated diene, having a total bound vinyl aromatic content in the range of from 10 to 40 wt. %, wherein the conjugated diene has been polymerized in a 1,2 or 3,4 addition in an amount of from 1 to 20% of the total bound conjugated diene, and wherein A represents a predominantly poly(vinylaromatic)block, B represents a predominantly poly(conjugated diene), D represents a predominantly poly(vinylaromatic)block, and C represents a tapered block of the conjugated diene occurring in the block B and a the vinyl aromatic occuring in the block D, wherein the tapering in block C shows an increasing content of vinyl aromatic monomer in the direction to block D, wherein the weight ratio of the conjugated diene occurring in block B and the conjugated diene occurring in block C is in the range of from 5:5 to 9:1, and wherein the total apparent molecular weight of which is in the range of from 130,000 to 300,000.

    摘要翻译: 由乙烯基芳族单体和共轭二烯衍生的改进加工性的结构A-B-C-D的嵌段共聚物,其总结构乙烯基芳族化合物的含量范围为10〜40wt。 %,其中共轭二烯在1,2或3,4加成中以占总结合的共轭二烯的1至20%的量聚合,并且其中A表示主要是聚(乙烯基芳族化合物)嵌段,B表示 主要是聚(共轭二烯),D代表主要是聚(乙烯基芳族化合物)嵌段,C代表嵌段B中发生的共轭二烯的渐缩嵌段和在块D中发生的乙烯基芳族化合物,其中嵌段C中的渐缩显示 乙烯基芳族单体在阻挡D的方向上的含量增加,其中在嵌段B中发生的共轭二烯和在嵌段C中发生的共轭二烯的重量比在5:5至9:1的范围内,其中 其总表观分子量在13万至30万的范围内。