Crosslinked and grafted overpolymer acrylate rubbers

Details Crosslinked and grafted overpolymer acrylate rubbers Crosslinked and grafted overpolymer acrylate rubbers

1988-09-29

1989-11-07

Seccuro, Arman J.

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

Synthetic resins

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

525308, 525309, 525902, C08L 5104, C08F26504

Patent

active

048793485

ABSTRACT:
Overpolymer acrylate rubbers comprising a rubbery alkyl acrylate polymer, an overcoat of a cross-linked and grafted polymer having a Tg value of over about 20.degree. C. and a second overcoat of a grafted but uncross-linked polymer having a Tg value of over about 20.degree. C. provide an exceptional balance of properties when blended to prepare weatherable impact modified thermoplastic molding resins.

REFERENCES:
patent: 3671607 (1972-06-01), Lee
patent: 3830878 (1974-08-01), Kato et al.
patent: 3944631 (1976-03-01), Yu et al.
patent: 3992485 (1976-11-01), Kosugi et al.
patent: 4387138 (1983-06-01), Gift
patent: 4508875 (1985-02-01), Kishida et al.

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