Global Patent Index - EP 1268577 A1

EP 1268577 A1 20030102 - METHOD FOR POLYMERISING ETHYLENE

Title (en)

METHOD FOR POLYMERISING ETHYLENE

Title (de)

ETHYLENPOLYMERISATIONSVERFAHREN

Title (fr)

PROCEDE POUR LA POLYMERISATION DE L'ETHYLENE

Publication

EP 1268577 A1 20030102 (FR)

Application

EP 02702378 A 20020227

Priority

  • EP 0202140 W 20020227
  • IT MI20010405 A 20010228

Abstract (en)

[origin: WO02068483A1] The invention concerns a method for producing ethylene homopolymers or copolymers comprising at least 90 mol % of units derived from ethylene which consists in: contacting in polymerising conditions, the monomers with a catalytic system including: (a) a catalytic solid comprising a metallocene of a transition metal of groups 4 to 6 of the periodic table containing at least a cyclopentadiene ligand capable of being substituted, and a support, (b) at least an organoaluminium compound selected among compounds of general formula (1): AITx(Y')yX'z wherein: T is a hydrocarbon group containing 1 to 30 carbon atoms; Y' is a group selected among -OR', -SR' and NR'R'' with R' and R'' independently representing a hydrocarbon group containing 1 to 30 carbon atoms; X' is a halogen atom; x verifies the relationship 0 < x </=3; y verifies the relationship 0 </= y < 3; z verfies the relationship 0 </= z < 3, and x + y + z = 3, and (c) at least an ionic antistatic agent.

IPC 1-7

C08F 10/02; C08F 4/642

IPC 8 full level

C08F 4/626 (2006.01); C08F 4/6392 (2006.01); C08F 4/642 (2006.01); C08F 10/00 (2006.01); C08F 10/02 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); C08F 110/02 (2006.01)

CPC (source: EP)

C08F 10/02 (2013.01); C08F 4/65916 (2013.01); C08F 4/65927 (2013.01); C08F 110/02 (2013.01)

C-Set (source: EP)

  1. C08F 10/02 + C08F 2/005
  2. C08F 10/02 + C08F 4/65912
  3. C08F 110/02 + C08F 2500/18

Citation (search report)

See references of WO 02068483A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 02068483 A1 20020906; CA 2407367 A1 20020906; EP 1268577 A1 20030102; IT MI20010405 A1 20020828; JP 2004518804 A 20040624; US 2003176604 A1 20030918; US 6743871 B2 20040601

DOCDB simple family (application)

EP 0202140 W 20020227; CA 2407367 A 20020227; EP 02702378 A 20020227; IT MI20010405 A 20010228; JP 2002567992 A 20020227; US 25853803 A 20030505