Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water - soluble synthetic polymer. It has the idealized formula [CH 2 CH (OH)] n. It is used in papermaking, textile warp sizing, as a thickener and …

Polyvinyl alcohol is a water-soluble synthetic polymer obtained by polymerization of vinyl alcohol. It has varying roles in commercial and industrial applications such as papermaking, textiles, …

2024年12月7日 · polyvinyl alcohol (PVA), a colourless, water-soluble synthetic resin employed principally in the treating of textiles and paper. PVA is unique among polymers (chemical …

Poly-vinyl alcohol (PVA) are synthesized in the presence of vinyl alcohol and acetate, and these monomers were responsible for the biocompatible, biodegradable, bioinert, and …

Polyvinyl alcohol (synonyms, vinyl alcohol polymer, PVA, ethenol homopolymer) is a water-soluble synthetic resin, prepared by the polymerization of vinyl acetate, followed by partial or …

Polyvinyl alcohol has a melting point of 180 to 190°C. It has a molecular weight of between 26,300 and 30,000, and a degree of hydrolysis of 86.5 to 89%. The primary raw material used …

2014年1月1日 · Poly (vinyl alcohol) is a synthetic polymer bearing repeating −CH 2 −CH (OH)− units, which is generally prepared from post-polymerization reaction of a homopolymer …

Polyvinyl alcohol also known as PVA, PVOH, or PVAI, water soluble synthetic polymers, made from polyvinyl acetate. Most of the polymers are manufactured by polymerization of its …

Polyvinyl Alcohol (PVA) is unique among polymers in a way that, it is not built up in polymerization reactions from single-unit precursor monomers. Instead, PVA is made by from another poly- …

Unlike most vinyl polymers, PVA is not prepared by polymerization of the corresponding monomer. The monomer, vinyl alcohol, almost exclusively exists as the tautomeric form, …