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Plasticized PVC admixtures with surface modifying macromolecules and articles made therefrom

  • US 10,557,030 B2
  • Filed: 04/17/2019
  • Issued: 02/11/2020
  • Est. Priority Date: 10/18/2016
  • Status: Active Grant
First Claim
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1. A blended composition comprising from 50% to 99.9% (w/w) of a polyvinyl chloride base polymer, from 10% to 50% (w/w) of a plasticizer that is di-(2-ethylhexyl)phthalate (DEHP), and from 0.01% to 20% (w/w) of a surface modifying macromolecule (SMM) described by the formula:


  • FT-[B-A]n-B-FT,where(i) A comprises poly(diethylene glycol)adipate, (neopentyl glycol-ortho phthalic anhydride) polyester, (diethylene glycol-ortho phthalic anhydride) polyester, (1,6-hexanediol-ortho phthalic anhydride) polyester, polypropylene oxide, polyethylene oxide, or polytetramethylene oxide;

    (ii) B comprises a urethane;

    (iii) FT is a polyfluoroorgano group, and(iv) n is an integer from 1 to 10.

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