EP 1056791 A1 20001206 - METHOD FOR THE PRODUCTION OF POLYDIENES WITH REGULATED MOONEY VISCOSITY
Title (en)
METHOD FOR THE PRODUCTION OF POLYDIENES WITH REGULATED MOONEY VISCOSITY
Title (de)
VERFAHREN ZUR HERSTELLUNG VON POLYDIENEN MIT GEREGELTER MOONEY-VISKOSITÄT
Title (fr)
PROCEDE DE FABRICATION DE POLYDIENES A VISCOSITE MOONEY REGLEE
Publication
Application
Priority
- DE 19806931 A 19980219
- EP 9900803 W 19990206
Abstract (en)
[origin: DE19806931A1] A process for the production of polydienes with controlled Mooney viscosity comprises the gas-phase polymerisation of conjugated dienes with rare earth-based catalysts in presence of 0.005-80 wt.% 1,2-diene (based on total diene).
IPC 1-7
IPC 8 full level
C08F 2/38 (2006.01); C08F 4/12 (2006.01); C08F 4/54 (2006.01); C08F 36/04 (2006.01)
CPC (source: EP US)
C08F 36/04 (2013.01 - EP US); Y10S 526/901 (2013.01 - EP US); Y10S 526/903 (2013.01 - EP US)
Citation (search report)
See references of WO 9942503A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DE 19806931 A1 19990826; AU 2832199 A 19990906; CA 2320886 A1 19990826; EP 1056791 A1 20001206; JP 2002504574 A 20020212; US 6344527 B1 20020205; WO 9942503 A1 19990826
DOCDB simple family (application)
DE 19806931 A 19980219; AU 2832199 A 19990206; CA 2320886 A 19990206; EP 9900803 W 19990206; EP 99908857 A 19990206; JP 2000532455 A 19990206; US 62229800 A 20000815