Table 2. Analysis of in Vitro Curcumin Release Kinetics from the Prepared Films.

sample name	time period (h)	n	ln k	R2
PCl/Cur	0–12	0.795	2.222	0.997
	12–120	0.100	3.922	0.986
PCl/CS/Cur	0–12	0.915	1.542	0.999
	12–120	0.160	3.418	0.987
PCl/CS/Cur/Clay-1	0–12	0.963	1.411	0.996
	12–120	0.160	3.422	0.987
PCl/CS/Cur/Clay-2	0–12	0.915	1.432	0.996
	12–120	0.180	3.262	0.993
PCl/CS/Cur/Clay-3	0–12	0.996	0.788	0.995
	12–120	0.230	2.709	0.989
PCl/CS/Cur/Clay-4	0–12	0.945	0.997	0.996
	12–120	0.208	2.827	0.996