The imminetility and feasibility of preparing plant oil base extreme pressure lubricator with rapeseed oil as raw material be presented and the preparation precess such as vulcanization,ester exchange,phosphate,amine or neutralization be probed.
论述了合成植物油基极压润滑油的紧迫性和可行性,并对以菜籽油为原料进行硫化、酯交换、磷酸酯化以及胺化与中和进行工艺探索。
A four-ball tester was employed to evaluate the antiwear and extreme pressure properties of organic borate ester containing nitrogen(BNO) combined with zinc dialkyldithiophosphate(ZDDP) and tin dialkyldithiocarbamate(SnDDC) in mineral base oil respectively.
利用四球试验机评价了含氮硼酸酯(BNO)与二烷基二硫代磷酸锌(ZDDP)、二烷基二硫代氨基甲酸锡(SnDDC)添加剂的极压和抗磨协同性能。
The properties of extreme pressure,antiwear and friction reducing were evaluated by four-ball tester,and compared with same types of additives.
合成润滑油添加剂二丁基二硫代氨基甲酸铋,利用四球试验机研究该添加剂在矿物基础油中的极压、抗磨和减摩性能,并与同类金属添加剂进行比较。
A four ball tester was used to evaluate the antiwear and extreme pressure properties of antimony dialkyldithiophosphate(SbDDP) with friction reducer containing phosphorus(TPO), chlorinated paraffin(T301) and sulfurized isobutylene (T321), and their synergistic effects.
利用四球试验机评价了二烷基二硫代磷酸锑(SbDDP)与含磷摩擦改进剂(TPO)、氯化石蜡(T301)、硫化异丁烯(T321)3种添加剂的极压和抗磨性能,以及它们之间的极压和抗磨协同作用;利用市售演示仪评价了SbD-DP、T301和T321之间的协同抗擦伤能力。
The results indicate that the combination of organic borate with SnDDC can exhibit better antiwear synergism than either component separately without impairing load carrying abilities.
利用四球试验机评价了含氮硼酸酯(BNO)和二烷基二硫代氨基甲酸锡(SnDDC)添加剂的极压和抗磨性能,以及它们复配后的极压抗磨性能。
A four-ball tester was used to evaluate the load carrying and antiwear properties of bismuth dibutyldithiocarbamate,bis-dibutyldithiocarbamates(V7723),sulfurized isobutylene(VSB),molybdenum ester non sulfur and phosphorus(MoNO) in a mineral oil respectively and their synergistic effects.
利用四球试验机评价了二丁基二硫代氨基甲酸铋(B iDDC)与二丁基二硫代氨基甲酸酯(V7723)、硫化异丁烯(VSB)和非硫磷钼酸酯(MoNO)添加剂的极压和抗磨性能,以及它们之间的极压和抗磨协同作用。
A four-ball tester was used to evaluate the load carrying and antiwear properties of bismuth dibutyldithiocarbamate, bis-dibutyldithiocarbamates (V 7723), sulfurized isobutylene (V SB), molybdenum ester non sulfur and phosphorus (MoNO) in a mineral oil respectively and their synergjstic eflfects.
利用四球试验机评价了二丁基二硫代氨基甲酸铋(BiDDC)与二丁基二硫代氨基甲酸酯(V 7723)、硫化异丁烯(V SB)和非硫磷钼酸酯(MoNO)添加剂的极压和抗磨性能,以及它们之间的极压和抗磨协同作用。
The results indicated that ovcrbased calcium petroleum sulfonates containing calcite formed thicker calcium carbonate film on rubbing surface than that containing amorphous calcium carbonate, which was a main reason that the former had better extreme pressure performance than latter.
本文采用X-射线光电子能谱(XPS)仪,对FALEX试验后的摩擦表面进行分析测试,结果表明, 方解石型高碱石油磺酸钙能在摩擦表面形成较厚的含碳酸钙保护膜,无定形型高碱石油磺酸钙在摩擦表面形成较薄的含碳酸钙保护膜,这是二者极压性能差别较大的主要原因。
Emulsion liquid has higher P b value than emulsion oil,and emulsion concentration has little influence on extreme pressure property in the range of concentration of 20g/L~100g/L.
对含有不同极压剂、不同极压剂浓度和不同类型(如阳离子、非离子等)的轧制乳化液进行了极压性能的研究;探讨了含硫乳化液在极压状态单分子反应层生成的速率,乳化液比乳化油有较高的Pb极压值;在20g/L~100g/L范围,乳化液浓度对极压性能影响甚微。
Based on the friction tests, effects of the oil - soluble rare earth additive on extreme pressure property of the oil carboxylic - acid copper additive and zinc dialkyldithiophosphate (T202) have been analysed.
通过磨擦试验,研究了稀土添加剂对油溶性羧酸铜与二烷基二硫代磷酸锌(T202)极压性能的影响,结果表明:油溶性羧酸铜对T202的极压性能有显著影响,T202与较高剂量铜剂复合后最大无卡咬负荷明显降低;稀土添加剂与铜剂、T202以适当比例复合,有利于极压性能提高。
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