| 发明名称 |
Propylene block copolymer |
| 摘要 |
The present invention provides a propylene block copolymer comprising polymer particles whose rubber-like component contents are 50% by weight or more, in an amount less than 1.0% by weight of the whole polymer particles finally discharged from a polymerization system.
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| 申请公布号 |
US6191232(B1) |
申请公布日期 |
2001.02.20 |
| 申请号 |
US19980165095 |
申请日期 |
1998.10.02 |
| 申请人 |
MITSUBISHI CHEMICAL CORPORATION |
发明人 |
MITSUTANI KENJI;YUKAWA KIYOSHI;SHIMIZU FUMIHIKO;KO GLEN H.;TANAKA EIJI;WATANABE FUMINAO |
| 分类号 |
C08F2/32;C08F297/08;(IPC1-7):C08F293/00;C08F2/34 |
主分类号 |
C08F2/32 |
| 代理机构 |
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代理人 |
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| 主权项 |
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