Method for making polyester resin foam by spraying

Details Method for making polyester resin foam by spraying Method for making polyester resin foam by spraying

1983-08-11

1985-06-25

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 79, 521 80, 521 81, 521 94, 521128, 521138, C08J 910

Patent

active

045254877

ABSTRACT:
A spray method for making cured polyester resin foam is provided using a liquid unsaturated polyester resin, a sulfonyl hydrazide, an effective amount of a promoter, an effective amountof a catalyst and 0.005-3 parts quaternary ammonium salt.

REFERENCES:
patent: 3920591 (1975-11-01), Jacobs et al.
patent: 4327196 (1982-04-01), West et al.
patent: 4401771 (1983-08-01), Ahnemiller

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