polyvinyl alcohol
1Polyvinyl alcohol — Other names PVOH; Poly(Ethenol), Ethenol, homopolymer; PVA; Polyviol; Vinol; Alvyl; Alkotex; Covol; Gelvatol; Lemol; Mowiol …
2polyvinyl alcohol — Chem. a colorless, water soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics. [1925 30] * * * ▪ chemical compound… …
3polyvinyl alcohol — noun : a polymer of vinyl alcohol; especially : a thermoplastic resin that is soluble or swells in water, that if obtained by complete hydrolysis of polyvinyl acetate has the formula [−CH2CH(OH)−]x or if by partial hydrolysis contains some… …
4polyvinyl alcohol — Abbreviated PVA, polyvinyl alcohol is a thick white liquid which dries to a tough clear plastic skin. It is an adhesive and may also be used diluted with water as a release agent or sealant. Also see seal …
5Polyvinyl-alcohol dehydrogenase (acceptor) — In enzymology, a polyvinyl alcohol dehydrogenase (acceptor) (EC number|1.1.99.23) is an enzyme that catalyzes the chemical reaction:polyvinyl alcohol + acceptor ightleftharpoons oxidized polyvinyl alcohol + reduced acceptorThus, the two… …
6Polyvinyl-alcohol oxidase — In enzymology, a polyvinyl alcohol oxidase (EC number|1.1.3.30) is an enzyme that catalyzes the chemical reaction:polyvinyl alcohol + O2 ightleftharpoons oxidized polyvinyl alcohol + H2O2Thus, the two substrates of this enzyme are polyvinyl… …
7polyvinyl alcohol — noun A water soluble synthetic polymer prepared by partial or complete hydrolysis of polyvinyl acetate to remove acetate groups, having many uses, including as an adhesive and surfactant and in freshwater angling. Abbreviations: PVA, PVAL, PVOH …
8polyvinyl alcohol — a water soluble plastic used by anglers in Europe as bags to hold ground bait or as string for tying on boilies, q.v., or pellets. The bags or strings dissolve gradually in water and release the baits to attract fish. See PVA bag and PVA tape.… …
9polyvinyl alcohol — A compound, CH2(CHOH)n, that is soluble in water; an adhesive and emulsifier. * * * [USP] a water soluble synthetic resin, represented by the formula (C2H4O)n, in which n varies between 500 and 5000; used as a viscosity increasing agent in… …
10Polyvinyl nitrate — (PVN) is a polymeric explosive material, an ester of nitric acid and polyvinyl alcohol. It is prepared by nitration of polyvinyl alcohol. It is a thermoplastic substance with softening zone between 30 45 °C, depending on the molecular weight of… …
