发明名称 |
Thermoplastic elastomer |
摘要 |
PCT No. PCT/EP95/02207 Sec. 371 Date Dec. 17, 1996 Sec. 102(e) Date Dec. 17, 1996 PCT Filed Jun. 8, 1995 PCT Pub. No. WO95/35335 PCT Pub. Date Dec. 28, 1995An elastomeric block copolymer comprising at least one block A having polymerized units of a vinylaromatic monomer and forming a rigid phase and at least one elastomeric block B/A having polymerized units of both vinylaromatic monomers and of a diene and forming a flexible phase, and glass transition temperature Tg of the block A being above 25 DEG C. and that of the block B/A being below 25 DEG C. and the phase volume ratio of block A to block B/A being chosen so that the amount of the rigid phase in the total block copolymer is 1 to 40% by volume and the amount of the diene is less than 50% by weight.
|
申请公布号 |
US6031053(A) |
申请公布日期 |
2000.02.29 |
申请号 |
US19960750705 |
申请日期 |
1996.12.17 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
KNOLL, KONRAD;GAUSEPOHL, HERMANN;NIESSNER, NORBERT;BENDER, DIETMAR;NAEGELE, PAUL |
分类号 |
C08F297/04;C08J5/18;(IPC1-7):C08F297/04 |
主分类号 |
C08F297/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|