Phenolic foam and surfactant useful therein

Details Phenolic foam and surfactant useful therein Phenolic foam and surfactant useful therein

1977-09-29

1979-02-20

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252356, 428310, 521 94, 521181, 528155, C08J 914

Patent

active

041408420

ABSTRACT:
A closed cell phenolic-resin foam material comprising phenolic-resin foam forming reactants, a blowing agent, and a surfactant which is the capped reaction product of an alkoxylated amine and a copolymerizable mixture of dialkyl maleate with N-vinyl-2-pyrrolidone or N-vinyl caprolactam.

REFERENCES:
patent: 3876620 (1975-04-01), Moss
patent: 4036793 (1977-07-01), Moss

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