Water-soluble, crosslinked nitrogenous condensation products pro

Details Water-soluble, crosslinked nitrogenous condensation products pro Water-soluble, crosslinked nitrogenous condensation products pro

1977-08-03

1978-12-05

Welsh, M. J.

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

Synthetic resins

Nitrogen-containing reactant

528404, C08L 6300

Patent

active

041285115

ABSTRACT:
Water-soluble, crosslinked nitrogen-containing condensation products, the viscosity of which, in aqueous solution, increases with increasing temperature, are obtained by reacting a chlorohydrin-ether of the formula ##STR1## where x is from 50 to 250, y is from 20 to 100, the ratio x:y is from 6.1:1 to 1:15 and n is from 0.5 to 5, with ethyleneimine in the weight ratio of from 1:10.1 to 1:0.8; the condensation products are added to aqueous systems, e.g. polymer solutions and polymer dispersions, to improve the viscosity characteristics.

REFERENCES:
patent: 3658641 (1972-04-01), Shen
patent: 3890172 (1975-06-01), Filter et al.

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