polyvinyl acetal — Chem. 1. any of the class of thermoplastic resins derived by the condensation of an aldehyde with polyvinyl alcohol. 2. the slightly yellow, water insoluble resin produced from partially hydrolyzed polyvinyl acetate and formaldehyde: used chiefly … Universalium
polyvinyl formal — noun : a polyvinyl acetal resin made from polyvinyl alcohol and formaldehyde and used chiefly in insulating enamels and other coatings * * * /fawr mal/, Chem. a colorless, water insoluble, polyvinyl acetal produced from partially hydrolyzed… … Useful english dictionary
polyvinyl butyral — noun : a tough flexible transparent moisture resistant polyvinyl acetal resin made from polyvinyl alcohol and butyraldehyde and used chiefly as the interlayer in safety glass and other laminated products and as a coating for textiles * * * Chem.… … Useful english dictionary
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 acetate — Chem. a colorless, odorless, nontoxic, transparent, thermoplastic, water insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol. Also called PVA [1925 30] * * * ▪… … Universalium
polyvinyl formal — /fawr mal/, Chem. a colorless, water insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers. * * * … Universalium
polyvinyl butyral — Chem. a white, water insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass. [1940 45] * * * … Universalium
vinyl acetal — noun : polyvinyl acetal … Useful english dictionary
vinyl resin — noun a thermoplastic derived by polymerization from compounds containing the vinyl group • Syn: ↑vinyl polymer, ↑polyvinyl resin • Hypernyms: ↑synthetic resin • Hyponyms: ↑polyvinyl acetate, ↑PVA, ↑ … Useful english dictionary
Polyoxymethylene — Other names Poly(oxymethylene) glycol; Polymethylene glycol … Wikipedia
