| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for imparting function to a polymer substrate, which controls surface precipitation of a functional additive from a fluid occurring on pressure reduction and removal of the functional additive injected to the substrate after function imparting. <P>SOLUTION: The improved method for imparting function to a polymer substrate by supplying a supercritical fluid having dissolved a functional additive to a pressure container storing a polymer substrate comprises further a process for introducing liquid carbon dioxide to the pressure container, replacing the supercritical liquid having dissolved the functional additive in the pressure container with the liquid carbon dioxide and reducing pressure in the pressure container, into which the liquid carbon dioxide is introduced, to atmospheric pressure as an aftertreatment process after imparting function to the polymer substrate. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
