Polyphenylene sulfide resin composition and light reflective mol

Details Polyphenylene sulfide resin composition and light reflective mol Polyphenylene sulfide resin composition and light reflective mol

1995-07-25

1996-12-31

Sweet, Mark D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524425, 524449, 524609, C08K 906

Patent

active

055895247

ABSTRACT:
A polyphenylene sulfide resin composition excellent in the fluidity and capable of producing a molded article excellent in the surface smoothness and the rigidity is disclosed, which comprises from 40 to 60% by weight of a polyphenylene sulfide resin having a melt viscosity of from 300 to 4000 poises, from 30 to 50% by weight of calcium carbonate having an average particle size of from 1 to 7 .mu.m, and from 8 to 25% by weight of mica having an average particles size of from 1 to 10 .mu.m. The light reflective molded article obtained by molding this composition which is excellent in the surface smoothness and the rigidity is also disclosed.

REFERENCES:
patent: 4365037 (1982-12-01), Adachi et al.
patent: 4442243 (1984-04-01), Woodhams
patent: 4487879 (1984-12-01), Needham
patent: 4612339 (1986-09-01), Giroud-Abel
patent: 4749598 (1988-06-01), Miles
patent: 5013823 (1991-05-01), Mizuno et al.
patent: 5177137 (1993-01-01), Kawashima et al.
patent: 5179145 (1993-01-01), Wright
patent: 5286784 (1994-02-01), Inoue et al.
Derwent Abstract of JPA-6 279 667.

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