公开(公告)号：US3824226A

公开(公告)日：1974-07-16

申请号：US33885773

申请日：1973-03-07

Applicant: BAYER AG

Inventor： MARWEDE G ,  PAMPUS G ,  HAAS F ,  GUNTHER P ,  OBERKIRCH W

IPC: C08F36/04 ,  C08F136/04 ,  C08D1/14 ,  C08D3/04

CPC classification number: C08F36/04 ,  C08F136/04 ,  C08F4/7096

Abstract: A CATALYST SYSTEM FOR THE STEREOSPECIFIC POLYMERISATION OF 1,3-PENTADIENE INTO TRANS-1,2-POLY-1,3-PENTADIENE, COMPRISING (A) AN ANHYDROUS COBALT SALT (B) AN ACID AMIDE OR AN ETHER AND (C) AN ORGANOALUMINIUM COMPOUND AND A PROCESS FOR POLYMERISING 1,3-PENTADIENE IN AN INERT SOLVENT AT TEMPERATURES OF FROM-50* TO + 100*C. USING THE CATALYST.

公开(公告)号：US3719652A

公开(公告)日：1973-03-06

申请号：US3719652D

申请日：1971-05-05

Applicant: BAYER AG

Inventor： OBERKIRCH W ,  PAMPUS G ,  GUNTHER P

IPC: C08F2/00 ,  C08G61/08 ,  C08F1/56

CPC classification number: C08G61/08

Abstract: Process for producing cyclopentene polymers which comprises contacting cyclopentene at a temperature of from -60* to +60*C with a catalyst comprising A TANTALUM COMPOUND (I) a halogen compound (II) an organo-aluminum compound (III) the components being in a molar ratio of I : II : III 1 : 0.310 : 0.5-15.

公开(公告)号：US3787381A

公开(公告)日：1974-01-22

申请号：US3787381D

申请日：1971-08-04

Applicant: BAYER AG

Inventor： OBERKIRCH W ,  GUNTHER P ,  PAMPUS G

IPC: C08G61/08 ,  C08F1/56

CPC classification number: C08G61/08

Abstract: CATALYST COMBINATION FOR POLYMERIZING CYCLOPENTENE COMPRISING (A) A COMPOUND OF A METAL OF THE 5TH OR 6TH GROUP OF THE PERIODIC SYSTEM, (B) AN ORGANIC ALUMINUM COMPOUND, (C) AN ALIPHATIC OR AROMATIC HYDROCARBON WHICH CONTAINS ONE OR MORE CARBON-CARBON DOUBLE BONDS AND WHICH IS SUBSTITUTED WITH HALOGEN OR AT LEAST ONE CARBON ATOMS OR A DOUBLE BOND, AND A POLYMERIZATION PROCESS USING THIS CATALYST.