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Mother mold-forming silicone rubber composition and mother mold

  • US 6,372,860 B1
  • Filed: 04/05/2000
  • Issued: 04/16/2002
  • Est. Priority Date: 04/05/1999
  • Status: Expired due to Fees
First Claim
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1. A silicone rubber composition for forming mother molds comprisinga linear dimethylpolysiloxane having at least two alkenyl radicals in a molecule as a base polymer, and up to 50 parts by weight of a polyether, C6-C30 alkyl, higher fatty acid ester, fluorine, or phenyl-modified silicone fluid which is liquid at 20°

  • C. and has a refractive index which differs by at least 0.01 and up to 0.05 from the refractive index of the base polymer per 100 parts by weight of the composition.

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