| 摘要 |
<p>The invention concerns a method for treating by impregnation a permeable architectural material which consists in spraying on the architectural material to be treated one or several dispersions in liquid phase of at least a type of photocatalytic compound based on metal oxide or sulphide and at least a type of compound promoting the bonding of said photocatalytic compounds to the architectural material. The invention also concerns the liquid dispersions used and the resulting treated architectural materials.</p> |
