Unsaturated polyester compositions molding materials therefrom a

Details Unsaturated polyester compositions molding materials therefrom a Unsaturated polyester compositions molding materials therefrom a

1989-06-08

1991-12-31

Short, Patricia

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523526, 523527, 525 27, 525 44, 525 48, 525168, 525170, 525171, C08L 6706

Patent

active

050773267

ABSTRACT:
A quickly curable unsaturated polyester composition with high surface quality contains an unsaturated polyester, a vinyl monomer, either an alkane polyol polyacrylate or an alkane polyol polymethylacrylate, a thermoplastic resin, and one or more curing catalysts selected from t-butylperoxy benzoate, t-butylperoxy octoate and 2,5-dimethyl-2,5-di(benzoilperoxy) hexane. Molding compounds are obtained by impregnating glass fibers with such composition and molded products obtained by curing such molding material have improved surface smoothness.

REFERENCES:
patent: 4100229 (1978-07-01), Schwartz

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