Blowing agent mixture

Details Blowing agent mixture Blowing agent mixture

1977-09-12

1978-08-29

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252350, 260874, 264DIG5, 521 91, 521 97, 521909, C08J 908

Patent

active

041102738

ABSTRACT:
The invention refers to a blowing agent composition consisting of 1,4 butan-diol-bis-(carbonic acid ester-benzoic acid anhydride) and silicon dioxide. Silicon dioxide reduces the decomposition temperature of the anhydride while at the same time increasing the yield of gas substantially.

REFERENCES:
patent: 2819231 (1958-01-01), Hahn et al.

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