【摘要】 探索了利用对氨基酚、甲基异丁基酮、甲酸、苯胺在常压下合成橡胶防老剂 4 0 2 0的新方法。与国外产品进行了性能比较 ,还讨论了存在的问题。更多还原

【Abstract】 A new method to synthesize rubber antioxidant 4020(N(1,3Dimethylbuty)N ′PhenylPhenylnediamine) is studied bypaminophenol,methylisobutyl ketone,formic acid and aniline under atmosphere. Based on the experimental data,the characteristies of the product synthesized by the new method were compared with that absoad product and discussed in exstenee question.更多还原