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

1978-03-22

1980-02-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252350, 264DIG5, 521128, 521143, 521144, 521145, 521146, 521147, 521148, 521149, 521182, 521189, 521909, 521910, C08J 910

Patent

active

041907108

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: 4104195 (1978-08-01), Ley

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