Resinous copolymer composition based on hydrocarbons and their u

Details Resinous copolymer composition based on hydrocarbons and their u Resinous copolymer composition based on hydrocarbons and their u

1986-03-03

1987-10-06

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263471, C08F 1206

Patent

active

046984054

ABSTRACT:
A resinous copolymer composition essentially made up of a vinyl-aromatic monomer and at least one other hydrocarbon having a copolymerizable unsaturation, optionally together with one or more further copolymerizable compounds selected from the group comprising substituted benzene compounds, unsaturated carboxylic acid compounds and conjugated dienic compounds. This copolymer composition comprises at least 5% by weight of paramethylstyrene units, in a proportion at least equal to any amount of metamethylstyrene present in said copolymer composition and a resinous copolymer composition comprising at least 40% by weight of paramethylstyrene together with at least one other hydrocarbon monomer having a copolymerizable unsaturation, and optionally one or more further copolymerizable compounds selected from the group comprising substituted benzene compounds, unsaturated carboxylic acid compounds, and conjugated dienic compounds.

REFERENCES:
patent: 3640981 (1972-02-01), Davis
patent: 3956250 (1976-05-01), Campbell et al.
patent: 4230836 (1980-10-01), Canterino
patent: 4306049 (1981-12-01), Prapas
patent: 4357459 (1982-11-01), Runavot et al.
patent: 4361506 (1982-11-01), Russo
patent: 4362854 (1982-12-01), Prapas
patent: 4412030 (1983-10-01), Runavot et al.

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