Preparation of long-chain branched isotactic polypropylene.
摘要
The present invention discloses a method for preparing long-chain-branched isotactic polypropylene by first oligomerising propylene with a suitable oligomerisation catalyst system and then copolymerising propylene and the oligomer obtained in situ with a mono-aryl-substituted methylene bridged catalyst system.
申请公布号
EP2196481(A1)
申请公布日期
2010.06.16
申请号
EP20080291192
申请日期
2008.12.12
申请人
TOTAL PETROCHEMICALS RESEARCH FELUY;CENTRE NATIONAL POUR LA RECHERCHE SCIENTIFIQUE (CNRS)
发明人
CARPENTIER, JEAN-FRANCOIS;KIRILLOV, EVGUENI;MARQUET, NICOLAS;RAZAVI, ABBAS