Table 1. Sample Codes and Compositions (Represented As Portions by Weight).

sample	chitosan	alginate	plasticizer	2 M formic acid
X-F	100			260.67
XG-F	100		20, glycerol	260.67
XE-F	100		20, [C2 mim][OAc]	260.67
XT-F	100		20, triacetin	260.67
Y-F	50	50		260.67
YG-F	50	50	20, glycerol	260.67
YE-F	50	50	20, [C2 mim][OAc]	260.67
YT-F	50	50	20, triacetin	260.67