公开(公告)号：NO310877B1

公开(公告)日：2001-09-10

申请号：NO965106

申请日：1996-11-29

Applicant: HOECHST AG

Inventor： WINTER ANDREAS ULRICH ,  KUEBER FRANK ,  BACHMANN BERND

IPC: A23L3/00 ,  C08F4/60 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/62 ,  C08F4/622 ,  C08F4/642 ,  C08F4/645 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/06 ,  C08F210/00 ,  C08F210/06 ,  C08F210/16 ,  C08F216/00 ,  C08F216/06 ,  C08J5/18 ,  C08F4/64

Abstract: Copolymer comprises propylene units and a comonomer of ethylene or at least 4C olefin. Copolymer comprises 30-99.5 wt.% propylene units and 0.5-70 wt.% comonomer of ethylene or at least 4C olefin of formula (I): RaCH=CHRb (I) Ra and Rb = H or 1-15C alkyl or form a 4-12C ring with the C atom. An Independent claim is included for a polymer mixture containing at least one such copolymer.

公开(公告)号：CA2163789C

公开(公告)日：2006-10-24

申请号：CA2163789

申请日：1994-05-20

Applicant: HOECHST AG ,  EXXON CHEMICAL PATENTS INC

Inventor： BURKHARDT TERRY JOHN ,  BRINEN JEFFREY LAWRENCE ,  HLATKY GREGORY GEORGE ,  SPALECK WALTER ,  WINTER ANDREAS ULRICH

IPC: C08F4/622 ,  C08F4/642 ,  B01J37/00 ,  C08F4/602 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06

Abstract: The invention relates to supported metallocene catalyst systems, optionally prepolymerized with olefinic monomer, preferably ethylene or propylene, useful in the polymerization of propylene to isotactic polyproylene. The isotactic polypropylene obtained generally has a molecular weight of about 100000 g/m or greater, a melting point of about 14 0 .degree.C or greater and granular morphology. The supported catalyst system generally has high catalytic activity, and upon use in a polymerization reactor results in a process with minimal to no reactor fouling, fining, or chunking.

公开(公告)号：NO308952B1

公开(公告)日：2000-11-20

申请号：NO954780

申请日：1995-11-24

Applicant: EXXON CHEMICAL PATENTS INC ,  HOECHST AG

Inventor： BURKHARDT TERRY JOHN ,  BRINEN JEFFREY LAWRENCE ,  HLATKY GREGORY GEORGE ,  SPALECK WALTER ,  WINTER ANDREAS ULRICH

IPC: C08F4/642 ,  B01J37/00 ,  C08F4/602 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/06 ,  C08F10/06

Abstract: The invention relates to supported metallocene catalyst systems, optionally prepolymerized with olefinic monomer, preferably ethylene or propylene, useful in the polymerization of propylene to isotactic polyproylene. The isotactic polypropylene obtained generally has a molecular weight of about 100000 g/m or greater, a melting point of about 140 DEG C or greater and granular morphology. The supported catalyst system generally has high catalytic activity, and upon use in a polymerization reactor results in a process with minimal to no reactor fouling, fining, or chunking.