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NONTOXIC CATALYST FOR PREPARATION OF POLYSILOXANE (METH)ACRYLATES

  • US 20190309133A1
  • Filed: 11/09/2017
  • Published: 10/10/2019
  • Est. Priority Date: 12/14/2016
  • Status: Active Grant
First Claim
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1. A method for preparation of (meth)acrylate esters of polysiloxanes;

  • said method comprising contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate;

    (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.

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