Unsaturated polyester compositions, molding materials and molded

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

1992-11-06

1995-03-07

Short, Patricia A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523511, 523522, 523523, 525 27, 525 44, C08L 6706

Patent

active

053958659

ABSTRACT:
Quickly curable unsaturated polyester composition with improved surface characteristics and stability in storage contains 20-40 weight parts of unsaturated polyester, 20-60 weight parts of vinyl monomer, 0.01-1.0 weight parts of BHT (ditertiary butyl hydroxy toluene), and 10-40 weight parts of thermoplastic resin such that the total is 100 weight parts. In addition, 0.001-0.1 weight parts of compound with effect of inhibiting polymerization at temperatures over 100.degree. C. are contained against the total of 100 weight parts. Molding materials are obtained by impregnating glass fibers with such compositions and products are obtained by curing such molding materials.

REFERENCES:
patent: 3227665 (1966-01-01), Fourcade
patent: 3288735 (1966-11-01), Watanabe
patent: 5077326 (1991-12-01), Shibata et al.
patent: 5202366 (1993-04-01), Reid

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