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Chain-extended polysiloxane crosslinkers with dangling hydrophilic polymer chains

  • US 8,835,525 B2
  • Filed: 10/05/2011
  • Issued: 09/16/2014
  • Est. Priority Date: 10/06/2010
  • Status: Active Grant
First Claim
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1. A linear chain-extended polysiloxane crosslinker, comprising:

  • (1) two terminal ethylenically unsaturated groups;

    (2) at least two polysiloxane segments; and

    (3) at least one dangling hydrophilic polymer chain covalently attached to a divalent organic radical separating said at least two polysiloxane segments,wherein the linear chain extended polysiloxane crosslinker is as set forth by formula (I)

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