The present invention provides a p-hydroxybenzoic ester represented by the formula (1)
1
wherein R
1
represents a C
6
-C
10
straight-chain or branched-chain alkyl group, A
1
represents a C
2
-C
4
alkylene group and n in an integer of 1 to 8, a plasticizer for at least one polyamide resin selected from nylon 11 and nylon 12 which comprises the ester, a polyamide resin composition comprising the ester and at least one polyamide resin selected from nylon 11 and nylon 12, and a polyamide resin molded article comprising the ester and having excellent high-temperature volatilization resistance and low-temperature impact resistance.
本发明提供了由式(1)表示的
对羟基苯甲酸酯
1
其中 R
1
代表一种 C
6
-C
10
直链或支链烷基,A
1
代表一个 C
2
-C
4
1 代表 C 2 -C 4 烷基,n 为 1 至 8 的整数;至少一种选自尼龙 11 和尼龙 12 的聚酰胺
树脂的
增塑剂,其中包含该酯;聚酰胺
树脂组合物,其中包含该酯和至少一种选自尼龙 11 和尼龙 12 的聚酰胺
树脂;以及聚酰胺
树脂成型品,其中包含该酯,并具有优异的耐高温挥发性和耐低温冲击性。