Reactive graft polymers

Details Reactive graft polymers Reactive graft polymers

1993-04-14

1994-11-22

Jagannathan, Vasu S.

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

Synthetic resins

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

525 68, 525309, C08F25502

Patent

active

RE0347990

ABSTRACT:
Graft polymers are prepared by the free radical reaction of a base polymer such as polyethylene or polypropylene with an olefinic compound containing a tertiary alkyl ester group, which may be a simple carboxylic acid or a carbamic acid ester group. Upon melt blending or the like with polymers containing other functional groups, such as carboxy- or epoxy-functionalized polyphenylene ethers, the t-butyl groups are removed by thermal degradation and there are obtained copolymers which are useful to compatibilize blends of the corresponding polymeric constituents.

REFERENCES:
patent: 3458597 (1969-07-01), Jabloner
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patent: 3968092 (1976-07-01), Gruber
patent: 4499237 (1985-02-01), Tacke et al.
patent: 4600741 (1986-07-01), Aycock et al.
patent: 4980415 (1990-12-01), Campbell
patent: 5096971 (1992-03-01), Nishikaji et al.
patent: 5102949 (1992-04-01), Dupont et al.

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