Patent ID: 11872548
Assignee: VERSALIS S.P.A.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 1:
2. The catalytic system for the (co)polymerization of conjugated dienes according to claim 1, wherein said co-catalyst (b) is selected from (b1) aluminum alkyls having general formula (III):

Al(X′)n(R5)3-n  (III)

wherein said element M′ different from carbon includes said Al atom, X′ represents a halogen atom; R5 is selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, or aryl groups, said groups being optionally substituted with one or more atoms of silicon or germanium; and n is an integer ranging from 0 to 2.