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Repellent coatings for optical surfaces

  • US 4,410,563 A
  • Filed: 02/22/1982
  • Issued: 10/18/1983
  • Est. Priority Date: 02/22/1982
  • Status: Expired due to Fees
First Claim
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1. A method for applying a water repellent coating to a surface of an optical element comprising:

  • applying fluid comprising a composition selected from the group consisting of chloromethylsilanes, a mixture of aminofunctional polydimethylsiloxane copolymers, and a mixture of a perfluorocarboxylic acid and N,beta-aminoethyl-gamma-aminopropyltrimethoxysilane to said surface of said optical element; and

    allowing said composition to react at said surface of said optical element to form said repellent coating thereon.

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