Unsaturated polyester resin compositions, molding materials, and

Details Unsaturated polyester resin compositions, molding materials, and Unsaturated polyester resin compositions, molding materials, and

1993-01-22

1995-05-02

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

428430, 524492, 524494, C08K 300

Patent

active

054120039

ABSTRACT:
Resin compositions containing (a) unsaturated polyester, (b) polymerizable monomer, (c) thermoplastic resin, (d) a polymerization initiator, and (e) hollow glass microspheres with a true density of 0.5 to 1.3 g/cm.sup.3 and an elution alkalinity of 0.05 meq/g or less; molding materials obtained by impregnating glass fibers with such resin compositions; and molded products obtained by curing such molding materials.
The molding materials have a superior workability and are useful for the production of parts to be coated, such as automotive external body panels. The molded products are light in weight and are highly resistant to water. Defective adhesion of coating or blisters does not occur.

REFERENCES:
patent: 3365315 (1968-01-01), Beck et al.
patent: 3873475 (1975-03-01), Pechacek et al.

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