释义 |
WordReference Random House Unabridged Dictionary of American English © 2024pol′yvi′nyl ac′etal, [Chem.]- Chemistryany of the class of thermoplastic resins derived by the condensation of an aldehyde with polyvinyl alcohol.
- Chemistrythe slightly yellow, water-insoluble resin produced from partially hydrolyzed polyvinyl acetate and formaldehyde: used chiefly in the manufacture of lacquers, photographic film, and adhesives.
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