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Polyvinyl alcohol — Other names PVOH; Poly(Ethenol), Ethenol, homopolymer; PVA; Polyviol; Vinol; Alvyl; Alkotex; Covol; Gelvatol; Lemol; Mowiol … Wikipedia
polyvinyl 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… … Universalium
polyvinyl 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… … Useful english dictionary
polyvinyl 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 … Glossary of Art Terms
Polyvinyl-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… … Wikipedia
Polyvinyl-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… … Wikipedia
polyvinyl 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.… … Dictionary of ichthyology
polyvinyl 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… … Medical dictionary
Polyvinyl 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… … Wikipedia
Polyvinyl acetate — (PVA or PVAc) is a rubbery synthetic polymer. It is prepared by polymerization of vinyl acetate monomer, also referred to as VAM. Partial or complete hydrolysis of the polymer is used to prepare polyvinyl alcohol. Hydroylized alcohol product is… … Wikipedia
