Process for the production of graft polymers

Details Process for the production of graft polymers Process for the production of graft polymers

1982-02-01

1984-01-17

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524458, 524534, C08F27904

Patent

active

044264992

ABSTRACT:
This invention relates to a process for the graft polymerization of (A) from 95 to 40 parts, by weight, of at least one ethylenically unsaturated monomer in the presence of (B) from 5 to 60 parts, by weight, of a partially or completely cross-linked rubber, in which the one or more than one monomer (A) and rubber (B) in the form of a latex or of a dispersion in an organic solvent are polymerized in an aliphatic hydrocarbon as reaction medium at from 30.degree. to 100.degree. C., using a radical forming initiator, and the graft polymerization product obtained as a sedimenting suspension of particles having an average diameter of from 5 to 1,000 .mu.m is isolated.

REFERENCES:
patent: 3644584 (1972-02-01), Fryd
patent: 3969433 (1976-07-01), Kose
Chemical Abstracts, vol. 83, No. 2, p. 115, No. 12403k (Jul. 14, 1975).

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