Water-soluble degradable excrement picking bag and preparation method thereof

The invention discloses a water-soluble degradable excrement picking bag and a preparation method thereof, the excrement picking bag comprises the following components in parts by mass: 80-90 parts of polyvinyl alcohol, 10-15 parts of starch, 2-3 parts of sodium alginate, 1-3 parts of a plasticizer, 0.5-1 part of a stabilizer RCPFs, and 1-2 parts of beet, the stabilizing agent RCPFs is formed by propylene glycol monomethyl ether, acrylamide, maleic anhydride and butyl methacrylate through copolymerization, the preparation method of the excrement picking bag comprises the three steps of preparing the stabilizing agent RCPFs, preparing the water-soluble degradable film and preparing the excrement picking bag, and the excrement picking bag prepared through the method is high in water solubility, high in dissolution speed, free of soaking and degradable. 本发明公开了一种水溶性可降解拾便袋及其制备方法，该拾便袋按照质量份数包括聚乙烯醇80-90份，淀粉10-15份，海藻酸钠2-3份，塑化剂1-3份，稳定剂RCPFs 0.5-1份，甜菜苷1-2份，其中，所述稳定剂RCPFs是由丙二醇单甲醚、丙烯酰胺、马来酸酐和甲基丙烯酸丁酯共聚而成，拾便袋的制备方法包括制备稳定剂RCPFs