Synthesis of high solids-content wet-strength resin

Details Synthesis of high solids-content wet-strength resin Synthesis of high solids-content wet-strength resin

1995-06-07

1997-07-01

Seidleck, James J.

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

Synthetic resins

From carboxylic acid or derivative thereof

528335, 524606, 524608, 524802, C08G 6926

Patent

active

056440219

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.

REFERENCES:
patent: 2926116 (1960-02-01), Keim et al.
patent: 2926154 (1960-02-01), Keim et al.
patent: 3352833 (1967-11-01), Earle
patent: 4287110 (1981-09-01), Takagishi et al.
patent: 4336835 (1982-06-01), Takagishi et al.
patent: 5017642 (1991-05-01), Hasegawa et al.

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