Disclosed is a resin composition containing a polyvinyl alcohol resin (A)
having an active hydrogen-containing functional group, and an N-amino
poly(acrylamide)-based resin (B) having a (meta)acrylic acid structural
unit represented by the general formula (1) below and an acrylamide
structural unit represented by the general formula (2) below. This resin
composition has high crosslinking rate, and enables to obtain a
crosslinked product having excellent waterproof.
##STR00001##
(In the formula, R represents a hydrogen or a methyl group, and X
represents a hydrogen or an alkali metal.)
##STR00002##