Preparation of n-(aminomethyl)-.alpha.,.beta.-ethylenically...

Details Preparation of n-(aminomethyl)-.alpha.,.beta.-ethylenically... Preparation of n-(aminomethyl)-.alpha.,.beta.-ethylenically...

C - Chemistry, Metallurgy

08

F

402/71, 260/554.

C08F 8/44 (2006.01)

Patent

CA 1103274

ABSTRACT OF THE DISCLOSURE: N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated cationic carboxamides such as N-(dimethylaminomethyl)- acrylamide are readily prepared without coincident production of saturated impurities by reacting an .alpha.,.beta.- -ethylenically unsaturated carboxamide such as acrylamide with a lower aldehyde such as formaldehyde and a secondary amine such as dimethylamine at a pH below 7. The resul- ting aminomethyl carboxamides are polymerized at a pH of 7 or less to form polymers containing essentially no gelled product.

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