| 发明名称 |
BLOCK COPOLYMER COMPOSITIONS AND PROCESS FOR THE PREPARATION THEREOF |
| 摘要 |
An aromatic vinyl compound-conjugated diene block copolymer composition having improved light stability comprises a mixture of a 2-(hydroxyphenyl)-substituted benzotriazole and an ester of a sterically hindered 4-hydroxypiperidine, 0.3-5 parts by weight per 100 pbw of block copolymer being present and the weight ratio benzotriazole to ester being 20:80 to 80:20. |
| 申请公布号 |
AU1243188(A) |
申请公布日期 |
1989.08.25 |
| 申请号 |
AU19880012431 |
申请日期 |
1988.02.01 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
TOSHINORI SAKAGAMI;HISAHARU ITO;MASANOBU NAGANO;TAKUMI MIYACHI |
| 分类号 |
C08K5/3435;C08K5/3475 |
主分类号 |
C08K5/3435 |
| 代理机构 |
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