Process and system for preparing random copolymers having low vi

Details Process and system for preparing random copolymers having low vi Process and system for preparing random copolymers having low vi

1986-03-25

1987-06-09

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526173, 502153, C08F 446

Patent

active

046720979

ABSTRACT:
A process is disclosed herein for preparing randomized copolymers of conjugated dienes and vinyl aromatic hydrocarbons having low vinyl contents by utilizing an anionic initiator system comprising alkali metal trihydrocarbyl magnesiates optionally together with an organolithium compound.

REFERENCES:
patent: 3742077 (1973-06-01), Kamienski et al.
patent: 3822219 (1974-07-01), Kamienski et al.
patent: 3847883 (1974-11-01), Kamienski et al.
K. Sardelis et al., Polymer, vol. 25, pp. 1011-1019 (Jul. 1984).

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