Process for polymerizing conjugate diolefins, and means suitable

Details Process for polymerizing conjugate diolefins, and means suitable Process for polymerizing conjugate diolefins, and means suitable

1982-09-02

1984-04-24

Garvin, Patrick

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502154, 526143, 526144, C08F 462

Patent

active

044449038

ABSTRACT:
An improved process is described for preparing conjugate diolefin polymers or copolymers having a high content of 1,4-cis units and high chain linearity, the process using a particular catalytic system prepared from a compound of a metal chosen from those of Group III B of the Periodic System which have an atomic number of between 21 and 103, preferably neodymium, an organic halogen derivative, and an aluminium alkylhydride or trialkyl.

REFERENCES:
patent: 3655811 (1972-04-01), Yoo
patent: 3676411 (1972-07-01), Throckmorton et al.
patent: 3803053 (1974-04-01), Yoo et al.
patent: 4152295 (1979-05-01), Stapp
patent: 4242232 (1980-12-01), Sylvester et al.

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