Process for the production of cross-linked graft copolymers

Details Process for the production of cross-linked graft copolymers Process for the production of cross-linked graft copolymers

1981-02-27

1982-11-02

Seccuro, Carman J.

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

Synthetic resins

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

525302, 525304, 525305, 525306, 525 80, C08L 5100, C08F26304

Patent

active

043574459

ABSTRACT:
A process for the production of cross-linked graft copolymers by the radically initiated precipitation copolymerization of an ethylene/vinyl ester copolymer as graft base and a mixture to be grafted of one or more aromatic monovinyl compounds, acrylonitrile and/or methacrylonitrile, a cross-linking agent containing two or more carbon-carbon double bonds, and, optionally, another monoolefinically unsatured copolymerizable monomer wherein the ungrafted base is precipitated by the addition of a precipitating agent simultaneously with the precipitating cross-linked graft copolymer.

REFERENCES:
patent: 3111500 (1963-11-01), Bartl et al.
patent: 3855353 (1974-12-01), Alberts et al.
patent: 4071580 (1978-01-01), Alberts et al.
patent: 4153646 (1979-05-01), Steffen et al.

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