| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple repair method which enables a ceramic tile surface to exert excellent water absorption prevention properties, contamination resistance, etc., while taking advantage of the characteristics of an existing tile surface. Ž<P>SOLUTION: The ceramic tile surface composed of a tile portion and a joint is repaired by being coated with a surface treatment liquid. The surface treatment liquid contains 0.1-50 wt.% of an alkoxysilane compound and 50-99.9 wt.% of a solvent; the alkoxysilane compound contains 90 wt.% or more of the alkylalkoxysilane compound containing a 3-12C alkyl group with an a degree of condensation of 2 or less; and the solvent contains 90 wt.% or more of aliphatic hydrocarbon. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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