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polyvinyl alcohol

noun, Chemistry
1.
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.
Origin
1925-1930
1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for polyvinyl alcohol
  • The gel is made by mixing powdered polyvinyl alcohol with acid in a mold.
  • polyvinyl alcohol is actually made from polyvinyl acetate, by cleaving the acetate ester.
Encyclopedia Article for polyvinyl alcohol

a colourless, water-soluble, flammable resin belonging to the family of organic polymers. The resin is used in sizing agents that confer resistance to oils and greases upon paper and textiles, to make films resistant to attack by solvents or oxygen, as a component of adhesives and emulsifiers, and as a starting material for the preparation of other resins.

Learn more about polyvinyl alcohol with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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