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Multi-functional material with photocalytic functions and method of manufacturing same

  • US 5,853,866 A
  • Filed: 10/06/1995
  • Issued: 12/29/1998
  • Est. Priority Date: 12/10/1993
  • Status: Expired due to Term
First Claim
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1. A multi-functional material exhibiting a photocatalytic function, comprising:

  • a base and a photocatalytic layer having a photocatalytic function and disposed on a surface of said base;

    said photocatalytic layer including at least a surface layer exposed outwardly;

    said surface layer comprising fine photocatalytic particles intimately joined together in abutting relationship such that pores are defined therebetween at a predetermined porosity;

    said photocatalytic layer being disposed on the surface of said base through a binder layer interposed therebetween;

    said photocatalytic layer including a surface layer exposed outwardly and a lower layer embedded in said binder layer;

    said multi-functional material being a multi-functional glass;

    said base being made of soda glass; and

    said binder layer containing a smaller quantity of alkali-metal component than said base.

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