Synergistic Effects Between Phosphonium-Alkylphosphate Ionic Liquids and Zinc Dialkyldithiophosphate (ZDDP) as Lubricant Additives

被引：190

作者：

Qu, Jun ^{[1
]}

Barnhill, William C. ^{[1
]}

Luo, Huimin ^{[2
]}

Meyer, Harry M., III ^{[1
]}

Leonard, Donovan N. ^{[1
]}

Landauer, Alexander K. ^{[1
]}

Kheireddin, Bassem ^{[3
]}

Gao, Hong ^{[3
]}

Papke, Brian L. ^{[3
]}

Dai, Sheng ^{[4
]}

机构：

[1] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA

[3] Shell Global Solut, Technol Ctr Houston, Houston, TX 77082 USA

[4] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 32期

关键词：

ionic liquids; ZDDP; lubricant additives; synergistic effects; friction and wear reductions; ANTIWEAR PERFORMANCE; NEAT LUBRICANTS; BASE OILS; STEEL; ORGANOPHOSPHATE; TEMPERATURE; EXTRACTION; MECHANISM; CATIONS; ANIONS;

D O I：

10.1002/adma.201502037

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Unique synergistic effects between phosphonium-alkylphosphate ionic liquids (ILs) and zinc dialkyldithiophosphate (ZDDP) are discovered when used together as lubricant additives, resulting in significant friction and wear reduction along with distinct tribofilm composition and mechanical properties. The synergism is attributed to the remarkably 30-70× higher-than-nominal concentrations of hypothetical new compounds (via anion exchange between IL and ZDDP) on the fluid surface/interface. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：4767 / 4774

页数：8

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