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Silicone-organic elastomer gels

  • US 8,920,783 B2
  • Filed: 03/20/2007
  • Issued: 12/30/2014
  • Est. Priority Date: 03/21/2006
  • Status: Expired due to Fees
First Claim
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1. A gel composition comprising a silicone organic elastomer from the reaction of;

  • A) an organohydrogensiloxane prepared by a hydrosilylation reaction ofa) an organohydrogencyclosiloxane having at least two SiH units on the siloxane ring and,B) a compound or mixture of compounds having at least two aliphatic unsaturated hydrocarbon groups in its molecule,wherein the molar ratio of SiH units of a) the organohydrogencyclosiloxane to aliphatic unsaturated groups of component B) used in the hydrosilylation reaction ranges from 2/1 to 8/1,B1) an α

    , ω

    -unsaturated alkene or alkyne containing 1 to 30 carbons,C) a hydrosilylation catalyst, andD) a carrier fluid,wherein the gel composition has a compression hardness of at least 200 Newton/m2.

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