High solids copolymerization via in-situ isomerization

Details High solids copolymerization via in-situ isomerization High solids copolymerization via in-situ isomerization

1993-08-23

1995-09-26

Lipman, Bernard

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526272, 5263482, 5263483, 5263484, 526347, C08F 200

Patent

active

054534763

ABSTRACT:
An improved process for the free radical copolymerization of a mixture of olefins and a polar monomer is disclosed. The process requires the catalytic isomerization of internally-unsaturated olefins to terminally-unsaturated olefins during the copolymerization reaction. The process results in improved yields in terms of solid product formation and in lower costs than conventional processes. The process is especially useful for the preparation of diisobutylene-maleic anhydride copolymers.

REFERENCES:
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patent: 4048422 (1977-09-01), Sackmann et al.
patent: 4151336 (1979-04-01), Sackman et al.
patent: 4152312 (1979-05-01), Sackmann et al.
patent: 4162233 (1979-07-01), Kramer
patent: 4282342 (1981-08-01), Denzinger et al.
patent: 4358574 (1982-11-01), Hughes
patent: 4403080 (1983-09-01), Hughes

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