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Method for photocatalytically hydrophilifying surface and composite material with photocatalytically hydrophilifiable surface

  • US 6,090,489 A
  • Filed: 06/19/1998
  • Issued: 07/18/2000
  • Est. Priority Date: 12/22/1995
  • Status: Expired due to Term
First Claim
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1. A method for hydrophilifying the surface of a substrates comprising the steps of:

  • providing a substrate coated with a solid layer having an interface with air, and containing a photoatalyst; and

    photoexciting the photocatalyst to permit molecules of water to be physically adsorbed onto the surface of said layer under the photocatalytic action of said photoctalyst, thereby hydrophilifying the surface of said substrate.

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