| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin composition excellent in both performance of thermal oxidation resistance and color fastness even when it has a shape of ultrafine fiber used for applications of sanitary products, such as masks, and synthetic resin fiber for sanitary products using the same. <P>SOLUTION: The resin composition or the like excellent in both performance of thermal oxidation resistance and color fastness is provided, which indispensably contains four components: (A) an antioxidant having phosphite ester structure and hindered phenol structure in the same molecule; (B) a phosphorus-based antioxidant; (C) a higher aliphatic metal salt of group II metal of the periodic table; and (D) a hydrotalcite-based compound, relative to a thermoplastic resin, wherein the content of the component (A) in the resin composition is 0.02 wt.% or more and less than 0.1 wt.%. <P>COPYRIGHT: (C)2013,JPO&INPIT |
