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简述了上３０９ 极压抗磨剂的合成原理、工艺路线，并对上３０９ 进行了各项性能的评定，同时将上３０９ 应用于无灰高压抗磨液压油、工业齿轮油中，得出上３０９ 具有较好的油溶性、优良的极压抗磨性、水解安定性、热稳定性等。
The synthesis principle and process route of 309 extreme pressure anti-wear agent are briefly described, and the performance of 309 is evaluated. Meanwhile, the upper 309 is applied to the ashless high-pressure anti-wear hydraulic oil and industrial gear oil. 309 on the better oil-soluble, excellent extreme pressure abrasion resistance, hydrolysis stability, thermal stability and so on.