Closed cell phenolic foam

Details Closed cell phenolic foam Closed cell phenolic foam

1978-04-12

1979-01-09

Foelak, Morton

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

260838, 428310, 428524, 521181, 521116, B32B 326

Patent

active

041339312

ABSTRACT:
A process for producing a closed cell phenolic-resin foam material comprising a phenolic-resin polymer and surfactant which is branched, non-ionic, with a hydroxyl value less than 50 achieved by capping excess hydroxyl groups; the material, and a structural laminate employing the material. The material has a thermal conductivity which is low initially and remains low for a long period of time.

REFERENCES:
patent: 3968300 (1976-07-01), Moss et al.
patent: 4036793 (1977-07-01), Moss

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