Polyvinyl alcohol（pva）(聚乙烯醇PVA)

Polyvinyl alcohol is an organic compound with the chemical formula [C2H4O] n. It appears as a white solid in the form of flakes, flocs, or powders, and is odorless. Soluble in water (above 95 ℃), slightly soluble in dimethyl sulfoxide, insoluble in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc. Polyvinyl alcohol is an important chemical raw material used in the manufacturing of polyvinyl alcohol acetals, gasoline resistant pipelines and vinylon, fabric treatment agents, emulsifiers, paper coatings, adhesives, adhesives, etc.