| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a treating method of a resin molded body, which enables a colorant or functional agent to infiltrate into the whole surface layer of the molded body irrespective of the shape of the resin molded body, which can extract and remove additives adversely affecting the human body or contaminating food, semiconductor parts and the like, and which can achieve highly uniform coloring or impartment of functionality since the colorant or functional agent of the size of a molecular level or nanometer level is infiltrated into the surface layer of the resin molded body. <P>SOLUTION: By putting a supercritical fluid, in which either or both of the colorant and the functional agent are dissolved, into contact with the resin molded body in which the additives are contained, the additives are extracted from the resin molded body and either or both of the colorant and the functional agent are provided for the surface layer of the resin molded body. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
