Cell regulators in structural foams

Details Cell regulators in structural foams Cell regulators in structural foams

1977-08-01

1979-04-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260874, 260895, 260898, 260901, 521134, 521139, 521180, 521908, C08J 910

Patent

active

041513339

ABSTRACT:
Cellular structure of blown structural polyphenylene oxide resins is regulated by incorporation of certain acrylamide polymers in the molding compositions thereof. The cell regulating acrylamide polymers may be homopolymers or co-polymers of acrylamide, or of substituted acrylamides or interpolymers of such acrylamide compounds with compounds containing a vinyl group.

REFERENCES:
patent: 3725321 (1973-04-01), Wirth et al.
patent: 4045382 (1977-08-01), Braese et al.

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