Unsaturated polyester resin composition for use in pressure mold

Details Unsaturated polyester resin composition for use in pressure mold Unsaturated polyester resin composition for use in pressure mold

1977-02-10

1980-07-08

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4253, 525523, C08K 714

Patent

active

042116864

ABSTRACT:
An unsaturated polyester resin composition for use in pressure molding, which comprises an unsaturated polyester resin and fillers consisting essentially of (a) calcium carbonate powder which passes a 325 mesh sieve, (b) an inorganic mineral particulate which passes a 12 mesh sieve and is retained on a 200 mesh sieve and (c) glass fibers having a length larger than 0.2 mm, wherein the ratio by weight of (a) to (b) is within a range of from 0.3 to 10, the ratio of (a)+(b) to the unsaturated polyester resin is within a range of from 1.5 to 7, and the ratio of (c) to the total weight of the resin, calcium carbonate, silica sand and glass fiber is within a range of from 0.01 to 0.25.

REFERENCES:
patent: 3326845 (1967-06-01), Arens et al.
patent: 3658750 (1972-04-01), Tsukui et al.
patent: 3763080 (1973-10-01), Deuter
patent: 3926902 (1975-12-01), Bowen
patent: 3936414 (1976-02-01), Wright et al.
patent: 3991006 (1976-11-01), Chandler

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