Synthesis of high solids-content wet-strength resin

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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Details

528335, 528342, 524606, 524608, 524802, C08G 6928

Patent

active

056682468

ABSTRACT:
Disclosed is an improvement in a method of making a water-soluble epichlorohydrin resin involving reacting epichlorohydrin with a polyaminoamide. The improvement involves preparing the polyaminoamide in the presence of an acid catalyst (low temperature condensation) followed by reaction with epichlorohydrin.

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On-Line Abstract of Japanese Pat. No. JP-B-7729795 assigned to Hercules Incorporated, from World Patent Index, (WPI) Record No. 935902.

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