PRODUCTION OF PHOTOCATALYST GLASS

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a photocatalyst glass by which a photocatalyst film having high quality and high durability can be formed directly on a float glass substrate. SOLUTION: After a soln. containing an org. titanium compd. is directly applied on the top face of a float glass substrate, the glass is heated to the firing temp. at 70 to 280 deg.C/min. heating-up rate and fired. The firing process is carried out by controlling the heating time at a temp. higher than the thermal diffusion temp. of the sodium ion in the glass to 1 to 4 min., thereby forming an oxide coating film having a photocatalytic function on the glass substrate surface.