What are the functions of polyvinyl alcohol, glycerol, polysorbate -8 and distilled water in the prescription? Juyi

composition of each component in the formula of polyvinyl alcohol and acetal/analysis of the function of each component, polyvinyl alcohol 5 is the main agent, which acts as a binder and sodium dichromate 15 as a curing agent, so that the main agent can cross-link water 1 to form an aqueous glycerol plasticizer, which improves the toughness of the adhesive layer. polysorbate 8 is generally used as a diffuser, a lubricant, a stabilizer and an antistatic agent. Glycerol has the effects of lubricating intestines, moisturizing and moistening.