Process for the preparation of polyisoprene

Details Process for the preparation of polyisoprene Process for the preparation of polyisoprene

1985-04-18

1986-07-15

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502125, 526141, 5263402, C08F 464, C08F 3608

Patent

active

046007571

ABSTRACT:
A process for the preparation of polyisoprene by polymerizing isoprene in the presence of a beta-TiCl.sub.3 containing catalyst is disclosed thereby an activator is prepared by reacting a hydrocarbylaluminum compound and a hydroxy-aromatic compound, having at both ortho-places with respect to the hydroxy-group a secondary or tertiary alkyl-group.

REFERENCES:
patent: 3165503 (1965-01-01), Kahn et al.
patent: 3455891 (1969-07-01), Winkler et al.
patent: 3567702 (1971-03-01), Mori et al.
patent: 3864278 (1975-02-01), Heij et al.

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