Effect of chemical structure on the hydrolytic stability of lubricating base oils

被引：21
|
作者：
Beran, Elzbieta [1 ]
机构：
[1] Wroclaw Univ Technol, Fac Chem, Div Fuels Chem & Technol, PL-50344 Wroclaw, Poland
来源：
TRIBOLOGY INTERNATIONAL | 2010年 / 43卷 / 12期
关键词：
Base oil; Hydrolytic degradation; Mineral oils; Synthetics; BIODEGRADABILITY; ADDITIVES;
D O I：
10.1016/j.triboint.2010.09.001
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Base oils differing in chemical structure, representatives of hydrocarbon fluids, ester fluids, and water-insoluble polyallcylene glycols (PAGs), were tested (ASTM D2619) for comparison of their hydrolytic stability, which was found to depend on both their chemical structure and purity. The variations observed after hydrolytic degradation in oil acid numbers, water layer acidity, and copper (Cu) strip weight are indicative of excellent hydrolytic stability of hydrocarbon oils, very good hydrolytic stability of PAG oils, and good hydrolytic stability of polyolester oils (characterized by high purity and an acid number lower than 0.1 mg KOH/g). The positive effect of steric hindrance around the ester bonds on the hydrolytic stability of polyolesters was substantiated by the results obtained for the oils of a pentaerythrite tetracaproate and pentaerythrite tetra(sec-caproate) structure. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2372 / 2377
页数：6
相关论文
共 50 条
  • [21] BASE MATERIALS OF LUBRICATING OILS - SYNTHETIC LUBRICANTS
    TOKASHIK.M
    JOURNAL OF JAPAN SOCIETY OF LUBRICATION ENGINEERS, 1973, 18 (12): : 931 - 934
  • [22] SYNTHETIC LUBRICATING OILS ON THE BASE OF ALKYL BENZENES
    PLAKSUNOVA, SL
    IVANOVA, EK
    SEREBRYAKOV, BR
    SHKOLNIKOV, VM
    KHIMICHESKAYA PROMYSHLENNOST, 1983, (06): : 328 - 331
  • [23] Experience with evaluating biodegradability of lubricating base oils
    Beran, Elzbieta
    TRIBOLOGY INTERNATIONAL, 2008, 41 (12) : 1212 - 1218
  • [24] Designing Lubricating Properties of Vegetable Base Oils
    Ilowska, Jolanta
    Chrobak, Justyna
    Grabowski, Rafal
    Szmatola, Michal
    Woch, Julia
    Szwach, Iwona
    Drabik, Jolanta
    Trzos, Magdalena
    Kozdrach, Rafal
    Wrona, Malgorzata
    MOLECULES, 2018, 23 (08)
  • [25] Improved paraffin-base lubricating oils
    Davis, GHB
    Blackwood, AJ
    INDUSTRIAL AND ENGINEERING CHEMISTRY, 1931, 23 : 1452 - 1458
  • [26] Assessing the Carcinogenic Potential of Lubricating Base Oils
    2000, National Lubricating Grease Institute (64):
  • [27] ACID-BASE DETERMINATION OF LUBRICATING OILS
    FOX, MF
    PAWLAK, Z
    PICKEN, DJ
    TRIBOLOGY INTERNATIONAL, 1991, 24 (06) : 335 - 340
  • [28] Assessing the carcinogenic potential of lubricating base oils
    Blackburn, GR
    LUBRICATION ENGINEERING, 1998, 54 (08): : 17 - 22
  • [29] Effect of Molecular Structure of Lubricating Oils on their Frictional Behavior.
    Dhein, Rolf
    Hentschel, Karl Heinz
    Winter, Hans
    Vojacek, Herbert
    Erdoel und Kohle, Erdgas, Petrochemie vereinigt mit Brennstoff-Chemie, 1982, 35 (11): : 518 - 525
  • [30] THE EFFECT OF BASE STOCK VOLATILITY ON LUBRICATING OIL OXIDATION STABILITY
    ABOUELNAGA, HH
    SALEM, AEM
    LUBRICATION ENGINEERING, 1988, 44 (11): : 931 - 938
12345