Blowing agent compositions

Details Blowing agent compositions Blowing agent compositions

1982-07-19

1984-04-24

Foelak, Morton

Compositions

Preservative agents

Anti-corrosion

264DIG5, 521 89, 521 92, 521 93, 521 95, 521909, C09K 300

Patent

active

044446799

ABSTRACT:
A blowing agent composition is provided comprising an azodicarbonamid; zinc oxide, zinc carbonate or a zinc salt of C.sub.1 -C.sub.4 organic acid; and an aromatic sulfinic acid or a metal salt of an aromatic sulfinic acid. For each hundred parts by weight of the azodicarbonamid, the zinc oxide, zinc carbonate or zinc salt is 0.25-25 parts by weight and the aromatic sulfinic acid or metal salt is from 1-2000 parts by weight for each 100 parts of the zinc oxide, zinc carbonate or zinc salt. The total weight of the zinc oxide, zinc carbonate or zinc salt plus the aromatic sulfinic acid or metal salt is from 20-25 parts by weight.

REFERENCES:
patent: 3658730 (1972-04-01), Takabashi et al.
patent: 3803060 (1974-04-01), Roos et al.
patent: 3876622 (1975-04-01), Motokawa et al.
patent: 3903015 (1975-09-01), Roos et al.
patent: 4312776 (1982-01-01), Puri et al.

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