Uniformly pigmented, low shrinking polyester molding composition

Details Uniformly pigmented, low shrinking polyester molding composition Uniformly pigmented, low shrinking polyester molding composition

1982-09-23

1985-11-26

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523508, 523510, 523511, 523514, 523515, C08K 322, C08K 506, C08K 510, C08K 513

Patent

active

045555346

ABSTRACT:
There is disclosed thickened, low shrinkage polyester molding compositions having improved pigmentation. The improved pigmentation in thickenable polyester molding compositions containing a carboxylated vinyl ester polymer low profile additive is achieved either by incorporating a surfactant in the composition, by using as the low profile additive a vinyl acetate/maleic acid copolymer, or by a combination of the two methods.

REFERENCES:
patent: 3701748 (1972-10-01), Kroekel
patent: 3718714 (1973-02-01), Comstock et al.
patent: 3772241 (1973-11-01), Korekel
patent: 3887515 (1975-06-01), Pennington et al.
patent: 3988388 (1976-11-01), Alberts et al.
patent: 4032494 (1977-06-01), Gentry
patent: 4172059 (1979-10-01), Atkins et al.
patent: 4284736 (1981-08-01), Comstock et al.
patent: 4288571 (1981-09-01), Comstock et al.

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