Low gloss molding composition

Details Low gloss molding composition Low gloss molding composition

1988-02-22

1989-09-26

Bleutge, John C.

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

Synthetic resins

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

525 78, 525 86, 525 80, 525 84, C08L 3700, C08L 5104

Patent

active

048701319

ABSTRACT:
A composition capable of providing low gloss in a part molded therefrom consisting essentially of 20 to 50% by weight of a graft copolymer of ethylenically unsaturated monomers grafted unto a rubber with a rubber content of 5 to 80% by weight based on the weight of Component A; 80 to 50% by weight of one or more thermoplastic, rubber-free copolymers containing: (i) 1 to 25% by weight based on the total weight of Component (B) of an unsaturated dicarboxylic acid anhydride monomer and (ii) 0.5 to 2% by weight based on the total weight of Component (B) of an ethylenically unsaturated copolymerized epoxide compound.

REFERENCES:
patent: 4554316 (1985-11-01), Sakano et al.
patent: 4596851 (1986-06-01), Lindner et al.
patent: 4657975 (1987-04-01), Kodama et al.

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