| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple repairing method for a ceramic tile surface, enhancing waterproof performance of a joint part while making the best of the characteristic of an existing tile surface. SOLUTION: This repairing method includes: a first process of applying a water repellent material to the whole surface of a ceramic tile surface; and a second process of applying a photocatalyst metal oxide and a surface treatment liquid containing a binding material to a tile part. In the above first process, an easily decomposable binding material which can be decomposed by the photocatalyst metal oxide is used as the water repellent material. COPYRIGHT: (C)2008,JPO&INPIT
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