The lubrication performance of adsorbed triblock copolymers polypropylene oxide‐polyethylene oxide‐polypropylene oxide (PPO–PEO–PPO) with phosphate ester films at different temperature on the Si surface was investigated using a pin‐on‐disc tribometer. The results revealed that the molecular architecture of the triblock copolymer and the temperature had a significant influence on the tribological behaviour. The triblock copolymer with a higher weight percentage of PPO exhibited a better lubrication performance both below and above the cloud point. However, when the temperature is above the cloud point, the adsorbed PPO–PEO–PPO film showed worse lubricity than that below the cloud point. The addition of phosphate ester to the triblock copolymer solution resulted in the decrease of the coefficient of friction and the improvement of the anti‐wear property. Moreover, with the added phosphate ester, the tribological performance became insensitive to the temperature.

中文翻译：

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含磷酸酯添加剂的水性共聚物润滑剂在不同温度下在Si表面的润滑性能

使用针盘式摩擦计研究了在不同温度下吸附的三嵌段共聚物聚环氧丙烷-聚环氧乙烷-聚环氧丙烷（PPO-PEO-PPO）与磷酸酯膜在硅表面上的润滑性能。结果表明，三嵌段共聚物的分子结构和温度对摩擦学性能有重要影响。PPO重量百分比较高的三嵌段共聚物在浊点以下和以上均表现出较好的润滑性能。但是，当温度高于浊点时，吸附的PPO–PEO–PPO膜的润滑性低于浊点以下。在三嵌段共聚物溶液中添加磷酸酯可降低摩擦系数并提高抗磨性能。而且，通过添加磷酸酯，摩擦性能对温度不敏感。