由国家工业和信息化部发布的橡胶防老剂DT-PD(3100)行业标准于2012年7月1日正式实施,标准编号为HG/T4233-2011。该标准的实施对于提高产品准入门槛,规范市场竞争秩序,促进我国橡胶助剂产业健康发展具重要意义。本文结合防老剂DTPD新行业标准,从其性能、标准演变和规范、质量检测、生产与市场等方面进行解读和介绍。橡胶防老剂DTPD,化学名称为N,N‘-二甲苯基对苯二胺,是典型的后效型对苯二胺类橡胶防老剂, The industrial standard for rubber antioxidant DT-PD (3100) issued by the Ministry of Industry and Information Technology was officially implemented on July 1, 2012 with the standard number of HG / T4233-2011. The implementation of the standard for improving product access threshold, standardize market competition and promote the healthy development of China’s rubber chemicals industry is of great significance. This article combines the new industry standard DTPD antioxidant, from its performance, standard evolution and norms, quality testing, production and market interpretation and introduction. Rubber antioxidant DTPD, chemical name for N, N-xylyl p-phenylenediamine, is a typical after-effect p-phenylenediamine rubber antioxidant,