| 发明名称 |
Preparation of long-chain branched isotactic polypropylene |
| 摘要 |
The present invention discloses a method for preparing long-chain-branched isotactic polypropylene by first oligomerizing propylene with a suitable oligomerization catalyst system and then copolymerizing propylene and the oligomer obtained in situ with a mono-aryl-substituted methylene bridged catalyst system.
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| 申请公布号 |
US8445608(B2) |
申请公布日期 |
2013.05.21 |
| 申请号 |
US200913133695 |
申请日期 |
2009.12.14 |
| 申请人 |
CARPENTIER JEAN-FRANOEOIS;KIRILLOV EVGUENI;MARQUET NICOLAS;RAZAVI ABBAS;TOTAL PETROCHEMICALS RESEARCH FELUY;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) |
发明人 |
CARPENTIER JEAN-FRANOEOIS;KIRILLOV EVGUENI;MARQUET NICOLAS;RAZAVI ABBAS |
| 分类号 |
C08F4/653;C08F4/655;C08F4/6592;C08F110/06 |
主分类号 |
C08F4/653 |
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