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本文通过试验，并使用傅立叶红外光谱和扫描电子显微镜，研究了原位聚合膜的形成及影响聚合膜形成的因素。在２００ＳＮ（４６ ＃ ） 精制矿物油中添加二聚酸／ 司苯－ ８０ ，由于在试球表面有聚酯膜生成，比不加的基础油磨痕直径减小５０ ％ ，接触疲劳寿命比未加添加剂的高１ ．４ 倍。
In this paper, through the experiment, and the use of Fourier transform infrared spectroscopy and scanning electron microscopy, the formation of in situ polymerization film and the factors that affect the formation of polymer film. Dimer acid / benzethonium-80 was added to refined mineral oil of 200SN (46 #). Because polyester film was formed on the surface of the test ball, the diameter of the base oil scar reduced by 50% compared with that of the base oil. The contact fatigue life ratio Add additive high 1. 4 times.