| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyamide resin excellent in vibration weld strength, heat stability during residence, low-temperature toughness, and transparency and capable of being produced from a biomass-derived raw material, to provide a polyamide resin composition, and to provide a vibration-welded molding, a self-hinging molding, a binding band, and a filament made therefrom. <P>SOLUTION: The polyamide resin is one that is composed of dicarboxylic acid units comprising adipic acid units and diamine units comprising pentamethylenediamine units and hexamethylenediamine units, wherein the weight ratio of the pentamethylenediamine units to the hexamethylenediamine units is 95:5 to 60:40. <P>COPYRIGHT: (C)2007,JPO&INPIT |
