The changes of detergency and lubricity of T115B prior and post to adding water were studied by hot-tube test,crankcase simulation test,four-ball tester and high frequency reciprocating rig method.

• 采用热管氧化试验法和曲轴箱模拟试验法,考察了高碱值硫化烷基酚钙在加水前后清净性能的变化;采用四球试验机和高频往复试验机,分析了水分对高碱值硫化烷基酚钙润滑性能的影响。