Poly(aryl ether) foam produced with aqueous blowing agent

Details Poly(aryl ether) foam produced with aqueous blowing agent Poly(aryl ether) foam produced with aqueous blowing agent

1992-01-30

1993-01-12

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 81, 521 94, 521 97, 521 98, 521180, 521134, 521189, C08J 908, C08J 912

Patent

active

051791307

ABSTRACT:
The present invention is directed to foams produced from poly(aryl ethers) and mixtures of poly(aryl ethers) with various non-poly(aryl ether) polymers. These foams are produced using aqueous blowing agents comprising water as the only blowing agent, or mixtures of water with another blowing agent material.

REFERENCES:
patent: 3894974 (1975-07-01), Hunter et al.
patent: 4105601 (1978-08-01), Hunter et al.
patent: 4169954 (1979-10-01), Hunter et al.
patent: 4919992 (1990-04-01), Blundell et al.
patent: 4940733 (1990-07-01), Kuphal et al.
patent: 5017622 (1991-05-01), Bland et al.

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