There are provided a novel diarylamine compound represented by the following formula (I), (II) or (III), which has at least one signal attributable to the hydrogen of the N—H moiety at 8.30 ppm to 9.00 ppm when a deuterated dimethyl sulfoxide solution of the diarylamine compound is analyzed by
1
H-NMR; and an aging inhibitor, a polymer composition, a crosslinked rubber product and a molded article thereof, and a method of producing a diarylamine compound. In the formulas, A
1
to A
6
each represent an aromatic group which may have a substituent; A represents an aromatic group or a cyclic aliphatic group, which may both have a substituent; L represents 1 or 2; and n represents 0 or 1.
提供了一种新型的二芳基胺化合物,其由以下公式(I)、(II)或(III)表示,当通过1H-NMR分析二芳基胺化合物的
氘代二
甲基亚
磺酸溶液时,具有至少一种可归因于N-H基团的
氢的信号在8.30 ppm至9.00 ppm之间;以及一种抗老化剂、一种
聚合物组合物、一种交联橡胶产品及其模压制品,以及一种生产二芳基胺化合物的方法。在公式中,A1到A6分别表示可能具有取代基的芳香族基;A表示芳香族基或环状
脂肪族基,两者都可能具有取代基;L表示1或2;n表示0或1。