Development of silica for toothpaste abrasive agent;
牙膏摩擦剂二氧化硅的研制
Meanwhile,high performance friction modifiers must be blended into engine oil to achieve higher fuel economy.
燃料经济性要求的提高,使得目前发动机油的发展呈现出低粘度化的应用趋势;同时必须添加性能优异的摩擦改进剂以获得良好的燃料经济性。
A phosphorite used as lube friction modifier was synthesized b y phosphonic aryl ester and fatty alcohol using ester exchange method in laborator y.
在实验室使用亚磷酸芳基酯与脂肪醇,利用酯交换法合成了一种亚磷酸脂肪醇酯作为润滑油摩擦改进剂。
The types and working mechanism of friction modifier are explained, different types of modifiers are compared, and it is pointed out that application of friction modifier may reduce friction loss under boundary friction and/or mixed friction state, thus to enhance the fuel economy.
介绍了摩擦改进剂的类型及作用机理,比较了不同类型的摩擦改进荆,阐述了应用摩擦改进剂减少边界润滑和混合润滑状态下的摩擦损失,从而提高燃料经济性。
The improvement of the triboelectric charging for powder coatings is discussed in terms of the triboelectric charging additive,modification of surface of powder and control of particle size of powder coatings.
比较了粉末涂装中摩擦和电晕两种方法的优势 ,简要介绍了摩擦带电的机理 ,并从摩擦带电剂、粉末表面改性和粉末粒径控制等方面探讨了提高粉末涂料摩擦带电性的方法。
According to the condition of material failure and mechanical equipment breakdown, a kind of tribo-treatment lubricant with excellent antiwear property and friction reduction property was developed based on tribochemical treatment technique.
针对摩擦磨损引起的材料失效和机械设备损坏状况,基于原位摩擦化学处理技术研制了一种抗磨、减摩和润滑性能优异的摩擦处理剂。
A four-ball friction and wear tester was used to evaluate the antiwear properties of several P-containing friction modifiers TPO,antimony dialkyldithiophosphates(SbDDP1 and SbDDP2),antimony dialkyldithiocarbamate(SbDDC),and molybdenum dialkyldithiophosphates(MoDDP).
利用四球试验机评价了含磷摩擦改进剂TPO与两种二烷基二硫代磷酸锑(SbDDP1、SbDDP2)、二烷基二硫代氨基甲酸锑(SbDDC)、硫化二烷基二硫代磷酸氧钼(MoDDP)共4种添加剂的抗磨性能以及它们之间的抗磨协同作用。
