Blowing agents based on urea dicarboxylic acid anhydride

Details Blowing agents based on urea dicarboxylic acid anhydride Blowing agents based on urea dicarboxylic acid anhydride

1975-09-25

1978-08-01

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

264DIG5, 521 89, 521 90, C09K 300, C08J 908

Patent

active

041041950

ABSTRACT:
Blowing agents comprising urea dicarboxylic acid anhydride do not give rise to discoloring decomposition residues nor form acid or alkaline by-products. These blowing agents may be used for expanding thermoplastic resins.

REFERENCES:
patent: 2832744 (1958-04-01), Soule et al.
patent: 3177164 (1965-04-01), Mills et al.
patent: 3743605 (1973-07-01), LaClair
Monatshefte der Chemie, vol. 97, pp. 361-367 (1965).

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