| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent stain from attaching to s surface for keeping it clean and facilitate removal of attached stain. SOLUTION: After a layer T containing titanium oxide (photocatalytic material) is coated on a surface of an object housing container whose substrate R is made of synthetic resin, ultraviolet rays are radiated, thereby improving hydrophilicity of the surface of the container. Since water is more compatible with the surface than stain on a hydrophilic photocatalytic surface, the stain can be prevented from attaching to the surface of the object housing container, and in addition, the stain once attached can be easily removed only by washing in water not using agent, a brush or the like.</p> |
