Unsaturated polyester resin foams and method of preparation

Details Unsaturated polyester resin foams and method of preparation Unsaturated polyester resin foams and method of preparation

1982-01-12

1983-06-14

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 96, 521106, 521121, 521123, 521128, 521136, 521182, C08J 910

Patent

active

043884199

ABSTRACT:
Unsaturated polyester foams having fine and uniform cells are prepared at an atmospheric temperature from an admixture which comprises in combination a liquid unsaturated polyester resin, a hydrazide compound, a cobalt compound and a powdered inorganic compound selected from the group consisting of percarbonates, perborates and perphosphates.

REFERENCES:
patent: 3260688 (1966-07-01), Watanabe et al.
patent: 3920589 (1975-11-01), Jacobs et al.
patent: 3920590 (1975-11-01), Jacobs et al.
patent: 3920591 (1975-11-01), Jacobs et al.
patent: 4322502 (1982-03-01), Stott et al.
patent: 4327196 (1982-04-01), West et al.

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