Chemical blowing agent

Details Chemical blowing agent Chemical blowing agent

1982-07-07

1983-05-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252350, 264 54, 264 55, 264DIG5, 521 73, 521 92, 521 93, 521 94, 521 95, 521909, 521910, C09J 910

Patent

active

043840485

ABSTRACT:
The present invention relates to a composition comprising a blowing agent and an activator characterized in that the blowing agent and activator have been micronized together rather than separately as hitherto; to methods for making the composition and to the use of the compositions in expanding polymers.

REFERENCES:
patent: 3340209 (1967-09-01), Riley, Jr. et al.
patent: 3502754 (1970-03-01), Fehn
patent: 3511787 (1970-05-01), Bertorelli et al.
patent: 3658730 (1972-04-01), Takahashi et al.
patent: 4183822 (1980-01-01), Collington et al.
patent: 4263165 (1981-04-01), Roos et al.

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