Vinyl alcohol copolymers containing cationic groups

Details Vinyl alcohol copolymers containing cationic groups Vinyl alcohol copolymers containing cationic groups

1980-07-14

1982-01-19

Levin, Stanford M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

162168N, 260 296B, 525 61, 525 62, C08F 812

Patent

active

043118054

ABSTRACT:
A water-soluble cationic copolymer and methods for producing the same is disclosed which comprises comonomer units respectively represented by the formulae: ##STR1## wherein R.sup.1 is H or lower alkyl; B is ##STR2## R.sup.2, R.sup.3 and R.sup.4 are each independently lower alkyl or lower alkyl which contain a substituent; X is an anion capable of forming a salt with the ammonium nitrogen; and A is a group which links the nitrogen atom in B to the amide nitrogen atom.
These copolymers are used in preparing paper strength additives.

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