... rights only Environmentally adapted lubricants Environmentally friendly lubricants Natural esters Polyalkylene glycol Environmentally acceptable lubricants PAGs that contain a higher content of oxyethylene (40 per cent and higher), such as structures III, IV, VII and VIII were not fully...

...Xiaohong Xu; Jiusheng Li; Lingguo Sun; Qunji Xue Purpose The fast growing concern for maintaining integrity of the environment has built up development of environmentally‐adapted lubricants. Because of their toxicity, most of the traditional lubricating additives cannot be used in this kind...