公开(公告)号：AU636498B2

公开(公告)日：1993-04-29

申请号：AU7944191

申请日：1991-07-01

Applicant: UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC.

Inventor： BURKHARD ERIC WAGNER ,  SARI-BETH SAMUELS ,  FREDERICK JOHN KAROL

IPC: C08F4/60 ,  C08F4/68 ,  C08F10/00 ,  C08F10/02

公开(公告)号：MY105053A

公开(公告)日：1994-07-30

申请号：MYPI19891883

申请日：1989-12-29

Applicant: UNION CARBIDE CHEMICALS AND PLASTICS COMPANY INC

Inventor： SUN-CHUEH KAO ,  FREDERICK JOHN KAROL

IPC: C08F4/68 ,  C08F4/60 ,  C08F10/00 ,  C08F10/02

Abstract: A VANADIUM- BASED CATALYST IS TREATED WITH CERTAIN SILICON- CONTAINING COMPOUNDS AS A MEANS OF NARROWING AND EFFECTIVELY REGULATING THE MOLECULAR WEIGHT DISTRIBUTION OF THE POLYMERS PRODUCED WITH THE CATALYST.