| abstract |
The invention discloses a starch-based degradable packaging film bag. The packaging film bag consists of the following ingredients in parts by weight: 80-86 parts of cassava starch, 13-15 parts of glycerin, 7-9 parts of sorbitol, 3-5 parts of diglycol, 0.6-0.8 part of stearic acid, 2.2-2.6 parts of monoglyceride, 2-4 parts of a titanate coupling agent, 6-8 parts of sodium alginate, 12-14 parts of bentonite, 4-6 parts of dimethyl silicon oil, 0.8-1.0 part of vanillic aldehyde and 0.4-0.8 part of calcium propionate. |