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借助红外光谱、紫外光谱、粘度、浊度等分析测试方法 ,考察了用不同的原料和工艺合成的丁二酰亚胺无灰分散剂与 ZDDP的相互作用。研究结果表明 ,丁二酰亚胺与 ZDDP的相互作用主要取决于丁二酰亚胺中活泼的伯胺氮含量 ,而伯胺氮含量则决定于丁二酰亚胺在生产中的烃化、胺化工艺和聚异丁烯基的结构。采用热储存及新工艺合成的单丁二酰亚胺 ,由于其部分重排成聚酰胺 ,减少了活泼的伯胺氨含量 ,从而改善了与 ZDDP的配伍性。
With infrared spectroscopy, UV spectroscopy, viscosity, turbidity and other analytical methods, investigated with different raw materials and processes synthesized succinimide ashless dispersant and ZDDP interaction. The results show that the interaction between succinimide and ZDDP mainly depends on the active primary amine nitrogen content in succinimide, while the primary amine nitrogen content is determined by the alkylation of succinimide in the production, Amination processes and polyisobutenyl structures. Monosuccinic acid synthesized by thermal storage and new process can improve the compatibility with ZDDP because of its partial rearrangement into polyamide, reducing the ammonia content of active primary amines.