| 摘要 |
PROBLEM TO BE SOLVED: To provide an excellent polyamide resin composition which is suitably used as a material of molded products such as blow molded containers including gasoline tank materials and beverage bottles, films or sheets, exhibits good thermal stability when molded and gives a small increase in a filter back pressure. SOLUTION: The polyamide resin composition comprises a diamine component mainly composed of m-xylylenediamine (MXDA) and a dicarboxylic acid component mainly composed of adipic acid (AA), and has a phosphorus atom content (P) and an alkali metal content (M) satisfying expression (1): 0≤P(ppm)<30 and expression (2): 0.1≤M(ppm)<45. COPYRIGHT: (C)2005,JPO&NCIPI
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