Production of polyester foam

Details Production of polyester foam Production of polyester foam

1977-04-05

1978-10-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521119, 521123, 521138, 521917, 422133, 260 40R, 264DIG5, 264 54, 264DIG18, 264213, 264259, 264267, 264271, C08J 908

Patent

active

041220471

ABSTRACT:
Polyester foam is formed by simultaneously cross-linking an unsaturated polyester resin and generating carbon dioxide as a blowing agent. The foam-forming components are divided into two equal volume parts which are metered together to effect the simultaneous reactions and form the foam. Apparatus is described for effecting the foam-forming method.

REFERENCES:
patent: 3362919 (1968-01-01), Rood
patent: 3574646 (1971-04-01), Wismer et al.
patent: 4028289 (1977-06-01), Brown

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