Meaning of POLYVINYL ACETAL in English

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 in the manufacture of lacquers, photographic film, and adhesives.

[ 1930-35 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .