| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for discriminating a silicone foreign matter mixed inside or attached to a surface of a raw material resin for molding and a molded resin article. <P>SOLUTION: The method for discriminating a silicone foreign matter includes the steps of: obtaining area ratios S1-S4 of the following infrared absorption spectrum, by measuring the infrared absorption spectrum of the silicone foreign matter (A) mixed inside or attached to the surface of a raw material resin for molding and a molded resin article; and checking the ratios S1-S4 of the silicone foreign matter (A) and ratios S1-S4 obtained by measuring the infrared absorption spectrum of silicone foreign matter (B) present in ambient surroundings of the manufacturing process of the raw material for molding or the molding process of the resin article to be molded. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
