There is provided a polyamide resin composition including a crystal nucleating agent that is suitable for promotion of crystallization of a polyamide resin and does not cause coloring of the resin, the polyamide resin composition having the crystallization rate higher than that of the polyamide resin and capable of improving the higher molding processability and heat resistance. A polyamide resin composition including a polyamide resin and a crystal nucleating agent containing a carboxylic acid derivative of formula [1]: B1-L1-A-L2-B2 [1]
wherein A is a C1-6 alkylene group optionally having a substituent or a C6-10 divalent aromatic group optionally having a substituent, B1 and B2 are each independently a C3-6 cycloalkyl group optionally having a substituent or a C6-10 aromatic group optionally having a substituent, and L1 and L2 are each independently -C(=O)NR1- or -C(=O)O-.
提供了一种聚酰胺
树脂组合物,该组合物包括一种成核剂,该成核剂适用于促进聚酰胺
树脂的结晶,且不会导致
树脂着色,该聚酰胺
树脂组合物的结晶速率高于聚酰胺
树脂的结晶速率,且能够改善较高的成型加工性和耐热性。一种聚酰胺
树脂组合物,包括聚酰胺
树脂和含有式[1]
羧酸衍
生物的成核剂:B1-L1-A-
L2-B2 [1]
其中 A 是任选具有取代基的 C1-6 亚烷基或任选具有取代基的 C6-10 二价芳香基,B1 和 B2 各自独立地是任选具有取代基的 C3-6 环烷基或任选具有取代基的 C6-10 芳香基,L1 和
L2 各自独立地是 -C(=O)NR1- 或 -C(=O)O-。