Effect of Viscosity Modifiers on the tribofilms formed using low viscosity internal combustion engine oil.

由于欧洲和中国等地区和国家出台了新的二氧化碳排放法规，越来越多的原始设备制造商不得不寻找新的方法来减少二氧化碳排放并提高燃油经济性。实现这一点的主要方法是使用低粘度油。选择这种方法会对这些油中使用的添加剂产生共鸣。粘度调节剂和边界添加剂在这里是最重要的。因此，了解它们之间相互作用的需求变得越来越大。潜在地使用某些粘度改性剂可能会降低摩擦膜的含量或以负面方式改变性质，从而促进不必要的摩擦和磨损。如果我们能够充分理解这些相互作用，那么减少二氧化碳排放和提高燃油经济性的目标就可以实现，而不会增加粘度降低带来的摩擦学问题。那么问题将是如何低粘度去不损害发动机。

Due to new CO2 emission regulations by regions and countries such as Europe and China, more and more OEMs are having to find new ways to decrease their CO2 emissions and increase fuel economy. The main way of accomplishing this is to use lower viscosity oils. Choosing this method puts an empathise on the additives used in these oils. Viscosity modifiers and boundary additives are of the upmost importance here. Therefore, the need to understand their interactions with each other becomes increasing large. Potentially using certain viscosity modifiers could decrease the contents of the tribofilm or alter the properties in a negative way, promoting unwanted friction and wear. If we can fully understand these interactions, then the aim of reducing CO2 emissions and increasing fuel economy can be met without increasing the tribological issues that comes with decreasing viscosity. Then the question will be how low can viscosity go without damaging the engine.