| abstract |
The present invention relates to a polyamide resin containing a unit derived from ε-caprolactam and/or ε-aminocaproic acid (hereinafter referred to as "unit 1"), a unit derived from adipic acid (hereinafter referred to as "unit 2") and a unit derived from hexamethylenediamine (hereinafter referred to as "unit 3"), wherein the concentration of terminal amino groups in the polyamide resin is greater than the concentration of terminal carboxyl groups in the polyamide resin, and the proportion of unit 1 is greater than 60 wt.% but less than 80 wt.% relative to the total quantity of unit 1, unit 2 and unit 3. |