Preparation and Property of Xylan/Poly(Methacrylic Acid) Semi-Interpenetrating Network Hydrogel

Table 2

Kinetic parameters of the PMAA hydrogel and xylan/PMAA semi-IPN hydrogels in buffer solutions of pH 2.0, 7.4, and 10.

Sample	pH 2.0		pH 7.4		pH 10.0
	PMAA	0.471	0.976	0.610	0.998	0.903	0.994
Semi-IPN2	0.438	0.922	0.568	0.997	0.561	0.995
Semi-IPN5	0.279	0.963	0.549	0.998	0.649	0.999
Semi-IPN7	0.425	0.999	0.609	0.996	0.702	0.998