Process for producing polyaminopolyamides containing halohydrin

Details Process for producing polyaminopolyamides containing halohydrin Process for producing polyaminopolyamides containing halohydrin

1984-03-21

1985-05-28

Anderson, Harold D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524538, 524845, 525426, 525432, 525435, 528342, C08L 7706

Patent

active

045201595

ABSTRACT:
Disclosed is a novel process for producing water-soluble, cationic resins containing halohydrin functionality from basic polyaminopolyamides containing secondary amine functionality without the use of epihalohydrin. The process of this invention comprises reacting the basic polyaminopolyamide in aqueous medium with an allyl halide to form allyl substituents on tertiary nitrogen atoms, converting the allyl substituents to halohydrin moieties by reaction with hypohalous acid and then maintaining the resulting solution at a pH of at least 7.0 until the Gardner-Holdt viscosity of the solution at 24% solids and 25.degree. C. reaches at least B.

REFERENCES:
patent: 2926154 (1960-02-01), Keim
patent: 3332901 (1967-07-01), Keim
patent: 4354006 (1982-10-01), Bankert
patent: 4419498 (1983-12-01), Bankert
patent: 4419500 (1983-12-01), Bankert

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