Azocarboxylate blowing agent

Details Azocarboxylate blowing agent Azocarboxylate blowing agent

1982-09-30

1983-07-19

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 93, 521 94, 521124, 521125, 521138, 521182, C08J 910

Patent

active

043944612

ABSTRACT:
A foamable polyester resin composition is provided and a method for making the same. The composition comprises (a) a liquid unsaturated polyester resin, (b) an azocarboxylate, (c) an organic peroxide or hydroperoxide, (d) a proton donor, (e) a metal promoter, (f) optionally a surfactant, and (g) optionally a filler.

REFERENCES:
patent: 3095387 (1963-06-01), Kleinfeld
patent: 3111496 (1963-11-01), Hunter
patent: 3993609 (1976-11-01), Kamens et al.

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