Process for preparation of cationic resin aqueous emulsions

Details Process for preparation of cationic resin aqueous emulsions Process for preparation of cationic resin aqueous emulsions

1975-07-11

1977-04-05

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AM, 428425, C08J 306, C08L 7502, C08L 7512

Patent

active

040161234

ABSTRACT:
A process for the preparation of cationic resin aqueous emulsions useful for treating fiber-containing articles, comprising reacting an isocyanate-terminated urethane prepolymer with an excess of a polyalkylene-polyamine to form a polyurethane-urea-polyamine, reacting a part of the amino groups in the thus-formed polyurethane-urea-polyamine with a compound selected from the group consisting of alkyl isocyanates having an alkyl group of 12 to 22 carbon atoms, acyl chlorides having an alkyl group of 12 to 22 carbon atoms and .alpha.-olefin epoxides having 12 to 22 carbon atoms, thereby to introduce a long-chain alkyl group into the molecule of the polyurethane-urea-polyamine, and mixing the alkyl-containing polyurethane-urea-polyamine with an aqueous solution of an acid thereby to convert the remaining amino groups to cations.

REFERENCES:
patent: 3551288 (1970-12-01), Ziemann et al.
patent: 3836493 (1974-09-01), Matsuda et al.
patent: 3892696 (1975-07-01), Wood
patent: 3948837 (1976-04-01), Schmitt et al.

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