Poly(vinyl alcohol)
Used for manufacturing polyvinyl acetals, gas resistant pipelines and vinylon, material therapy agents, emulsifiers, paper coatings, adhesives, and so on.
Polyvinyl alcohol resin (PVA) aqueous answer has awesome moldability and emulsifying properties, forming a movie with amazing adhesion, solvent resistance, friction resistance, tensile strength, and oxygenbarrier properties.
Solubility: Soluble in water, typically heated to 65-75 ℃ for whole dissolution. Insoluble in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc. Slightly soluble in dimethyl sulfoxide. It is soluble in glycerol at 120-150 ℃, however turns into a gel when cooled to room temperature.