Multiphase core/shell polymers

Details Multiphase core/shell polymers Multiphase core/shell polymers

1981-08-30

1983-03-01

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...

525304, 525305, 525309, 525440, 525454, 524504, 428407, C08F27902, C08F25506, C08F29102

Patent

active

043755321

ABSTRACT:
A multiphase core//shell polymer comprising a crosslinked elastomer core and a rigid thermoplastic polymer shell comprising a mono alkyl maleate or fumarate, styrene and optionally a monomer selected from the group consisting of C.sub.1 to C.sub.8 alkyl acrylates and methacrylates, acrylonitrile and methacrylonitrile. The core has an average particle diameter in the range of about 0.3 to about 0.8 micron and the rigid shell has a thickness of at least about 0.025 micron. The multiphase core//shell polymers are useful for blending with polyamides to provided toughened polyamide compositions.

REFERENCES:
patent: 3984497 (1976-10-01), Owens et al.
patent: 4221879 (1980-09-01), Humme et al.
patent: 4306040 (1981-12-01), Baer

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