polyvinyl alcohol

الوصف

Molecular Formula: [CH2CHOH]n Product Performances: White or yellowish floccule, granule or powder, innocuous, inodorous and pollution-free. PVA has a melting point of **0Centi-degree and **0 to **0Centi-degree for the fully hydrolyzed and partially hydrolyzed grades. PVA has excellent film forming, emulsifying, and adhesive properties. It is also resistant to oil, grease and solvent. It has typical chemical properties of polyalcohol, and can proceed the reaction of esterification, etherealization, acetalization etc. Product Uses: PVA is mainly used as warp sizing agent, textile finishing agent and raw material of vinylon fiber in textile industry; coating and adhesive in construction and upholstery industry; polymer emulsifying agent and dispersant in chemical industry; adhesive of paper article in paper-making industry, and soil improving agent and PVA thin film in agriculture. It is also used widely in cosmetic, medicine, printing, ceramics, steel-making, electronics and plating.