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Silicone organic elastomer gels from organopolysiloxane resins

  • US 8,541,011 B2
  • Filed: 06/05/2012
  • Issued: 09/24/2013
  • Est. Priority Date: 09/26/2007
  • Status: Expired due to Fees
First Claim
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1. A gel composition comprising:

  • a silicone elastomer from the reaction of;

    A) an SiH containing MQ resin comprising the formula
    (Me2HSiO1/2)a(Me3SiO1/2)b(SiO4/2)e wherea is greater than 0b is from 0 to 0.8e is 0 to 0.9, 

    with the provisos that the sum of a, b, and e is at least 0.95 and e is greater than 0,Me is methyl,B) an organic compound having at least two aliphatic unsaturated groups in its molecule selected fromH2C═

    CHCH2O[C3H6O]gCH2CH═

    CH2,H2C═

    CHO[C3H6O]gCH═

    CH2,HC≡

    CCH3O[C3H6O]gCH2C≡

    CH2 HC≡

    CC(CH3)2O[C3H6O]gC(CH3)2C≡

    CH, orH2C═

    C(CH3)CH2O[C3H6O]gCH2C(CH3)═

    CH2,where g is greater than 2,andC) a hydrosilylation catalyst,and;

    D) a carrier fluid selected from isododecane, isohexyldecane, or isodecyl neopentanoate,E) an optional personal or healthcare active,wherein the gel composition has a hardness of at least 0.03 Newton force.

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