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
EP2356156(A2)
申请公布日期
2011.08.17
申请号
EP20090768089
申请日期
2009.12.14
申请人
TOTAL RESEARCH & TECHNOLOGY FELUY;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
发明人
CARPENTIER, JEAN-FRANCOIS;KIRILLOV, EVGUENI;MARQUET, NICOLAS;RAZAVI, ABBAS
