Table 1.

Raw material ratios of HAS film with different NaOH additions.

Sample Name	HAS/kg	Glycerin/g	Water/g	NaOH/g
Control	2	800	600	0
2% NaOH	2	800	600	40
6% NaOH	2	800	600	120
10% NaOH	2	800	600	200