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Poly(vinyl alcohol) composition comprising polyol

  • US 20080182937A1
  • Filed: 01/26/2007
  • Published: 07/31/2008
  • Est. Priority Date: 01/26/2007
  • Status: Active Grant
First Claim
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1. A composition comprising or produced from a polyol ester plasticizer and poly(vinyl alcohol) wherein the poly(vinyl alcohol) includes a poly(vinyl alcohol) homopolymer or copolymer;

  • the polyol ester plasticizer includes an esterified polyol having one or more ester groups and at least one free hydroxyl group and is present in the composition in an amount sufficient to transesterify, and increase the ester content of, the poly(vinyl alcohol).

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