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公开(公告)号:US20090264590A1
公开(公告)日:2009-10-22
申请号:US12295297
申请日:2007-04-20
申请人: Xavier Daniel Dominique Jean Muyldermans , Emmanuelle Coignoul , Catherine Jeanne Solange Mayenez
发明人: Xavier Daniel Dominique Jean Muyldermans , Emmanuelle Coignoul , Catherine Jeanne Solange Mayenez
IPC分类号: C08L53/02
CPC分类号: C08L53/02 , C08F297/044 , C08L53/025 , C08L2666/02 , C08L2666/24
摘要: High molecular weight coupled block copolymer composition comprising (a) a linear diblock copolymer (I) represented by the general formula (A-B), having a peak apparent molecular weight of from 200,000 to 300,000, (b) a linear di-armed block copolymer (II), represented by the general formula (A-B)2X, (c) a tri-armed block copolymer (III), represented by the formula (A-B)3X, (d) a more than tri-armed block copolymer (IV), represented by the formula (A-B)n>3X, (e) side polymeric structures (SPS) having a peak apparent molecular weight below the linear diblock copolymer (I), wherein A represents a block of predominantly poly(monovinyl aromatic hydrocarbon) and wherein the poly(monovinyl aromatic hydrocarbon) content is in the range of from 20 to 35 wt %; wherein B represents a block of predominantly poly(conjugated diene); wherein X is the residue of a trifunctional and/or tetrafunctional coupling agent; wherein the block copolymer composition has a weight average molecular weight Mw in the range of from 450,000 to 800,000, and wherein the relative amounts of block copolymers corresponds to: I is from 5 to 15 wt %; II and III together are from 70 to 90 wt %, wherein III is above 10 wt %; IV is below 10 wt % and SPS is less than 10 wt % respectively, relative to the weight of the total block copolymer composition, in which the respective components add up to 100%.
摘要翻译: 高分子量偶联嵌段共聚物组合物,其包含(a)由通式(AB)表示的直链二嵌段共聚物(I),表观分子量峰值为200,000至300,000,(b)线性二嵌段共聚物 II),由通式(AB)2X表示,(c)由式(AB)3X表示的三臂嵌段共聚物(III),(d)多于三臂嵌段共聚物(IV), 由式(AB)n> 3X表示,(e)具有低于线性二嵌段共聚物(I)的表观分子量峰值的侧面聚合物结构(SPS),其中A表示主要为聚(单乙烯基芳族烃)的嵌段,其中 聚(单乙烯基芳族烃)含量在20〜35重量%的范围内; 其中B表示主要为聚(共轭二烯)的嵌段; 其中X是三官能和/或四官能偶联剂的残基; 其中所述嵌段共聚物组合物的重均分子量Mw在45万至800,000范围内,并且其中嵌段共聚物的相对量相当于:I为5至15重量%; II和III一起为70〜90重量%,其中III为10重量%以上。 IV相对于总共嵌段共聚物组合物的重量分别小于10重量%,SPS小于10重量%,其中各组分总计达100%。