Invention Grant
- Patent Title: Preparation of long-chain branched isotactic polypropylene
- Patent Title (中): 制备长支支全同立构聚丙烯
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Application No.: US13133695Application Date: 2009-12-14
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Publication No.: US08445608B2Publication Date: 2013-05-21
- Inventor: Jean-Franøois Carpentier , Evgueni Kirillov , Nicolas Marquet , Abbas Razavi
- Applicant: Jean-Franøois Carpentier , Evgueni Kirillov , Nicolas Marquet , Abbas Razavi
- Applicant Address: BE Seneffe (Feluy) FR Paris
- Assignee: Total Petrochemicals Research Feluy,Centre National de la Recherche Scientifique (CNRS)
- Current Assignee: Total Petrochemicals Research Feluy,Centre National de la Recherche Scientifique (CNRS)
- Current Assignee Address: BE Seneffe (Feluy) FR Paris
- Priority: EP08291192 20081212
- International Application: PCT/EP2009/067062 WO 20091214
- International Announcement: WO2010/066906 WO 20100617
- Main IPC: C08F4/653
- IPC: C08F4/653 ; C08F4/655 ; C08F4/6592 ; C08F110/06
Abstract:
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.
Public/Granted literature
- US20110306739A1 PREPARATION OF LONG-CHAIN BRANCHED ISOTACTIC POLYPROPYLENE Public/Granted day:2011-12-15
Information query
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