Abstract
The cross-linking by means of reaction between polyvinyl alcohol fiber and N, N′-methylenebisa-crylamide was studied using the curing method (110_??_205°C) in the presence of NaOH catalyst. The reactivity of heat-treated polyvinyl alcohol fiber was less that of untreated polyvinyl alcohol fiber. The maximum value of the degree of substitution was about 2.5mol%. Over the degree of substitution of about 1.5mol, the reaction products became insoluble in boiling water. However, the shrink-proof was not sufficient even after formalization. Affinities for various dyestffs were improved remarkably.
