CROSSLINKED WATER INSOLUBLE GEL FROM NON-HYDROLYZED WATER SOLUBLE POLYMERS

摘要

A crosslinked water insoluble gel derived from water soluble polymers consisting essentially of poly(ethyleneimine) and a non-hydrolyzed cyclic N-vinyl lactam polymer containing 4 to 6 ring carbon atoms in its cyclic sturcture; said gel having repeating units of formula (1) wherein W and Y are each individually C1 to C4 alkyl; subscripts x and z each have a value of from 0 to 2 and n has a value of from 0 to 100,000.