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Polymerizable chain-extended polysiloxanes with pendant hydrophilic groups

  • US 9,109,091 B2
  • Filed: 02/10/2015
  • Issued: 08/18/2015
  • Est. Priority Date: 10/06/2010
  • Status: Active Grant
First Claim
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1. A soluble amphiphilic prepolymer, comprising two terminal ethylenically-unsaturated groups and at least two polysiloxane segments separated by an organic linkage having one or more dangling hydrophilic polymer chains, wherein the prepolymer is obtained by reacting a hydrophilic polymer having one sole terminal reactive functional group with a chain-extended polysiloxane crosslinker of formula (I), in the presence or absence of a coupling agent, to form the amphiphilic prepolymer having the dangling hydrophophilic chains,

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