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Journal of Synthetic Lubrication最新文献

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EPR study of antioxidant action of P,p'‐dioctyldiphenyl amine P, P′-二辛基二苯胺抗氧化作用的EPR研究
Journal of Synthetic Lubrication Pub Date : 1990-10-01 DOI: 10.1002/JSL.3000070305
G. Kozakowski, W. Kołodziejski
{"title":"EPR study of antioxidant action of P,p'‐dioctyldiphenyl amine","authors":"G. Kozakowski, W. Kołodziejski","doi":"10.1002/JSL.3000070305","DOIUrl":"https://doi.org/10.1002/JSL.3000070305","url":null,"abstract":"This paper reports the use of Electron Parametric Resonance (EPR) for preliminary investigation of radicals formed from P,p'-dioctyldiphenylamine (‘Irganox’, an antioxidant) during heating in a synthetic aviation lubricant base oil di-2-ethylhexylsebacate. Relative concentrations of radicals were found to be dependent on temperature. The results seem generally to support the concept that the antioxidant concerned is an effective scavenger of certain reactive peroxide radicals.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"75 1","pages":"229-234"},"PeriodicalIF":0.0,"publicationDate":"1990-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81057604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Improvement of antioxidation and antiwear properties of polyalphaolefin oils 聚烯烃油抗氧化、抗磨性能的改善
Journal of Synthetic Lubrication Pub Date : 1990-10-01 DOI: 10.1002/JSL.3000070306
V. Shkolnikov, O. N. Zvetkov, M. A. Chagina, G. V. Kolessova
{"title":"Improvement of antioxidation and antiwear properties of polyalphaolefin oils","authors":"V. Shkolnikov, O. N. Zvetkov, M. A. Chagina, G. V. Kolessova","doi":"10.1002/JSL.3000070306","DOIUrl":"https://doi.org/10.1002/JSL.3000070306","url":null,"abstract":"Polyalphaolefin-based lubricating oils were tested on a four-ball tester, and in a stability test, with antiwear and antioxidant additives of different types, along with other (petroleum and alkylbenzene) base oils and additives. Antioxidant additives for PAOs essentially influence their thermo-oxidation stability. It was found that binary inhibitors increased thermo-oxidation stability effectively. In the antiwear tests, the addition of additives to PAOs sharply decreased wear scar diameters. A significant difference was observed in the action of small concentrations of antiwear additives as between PAO, alkylbenzene and mineral oils. Explanations of this behaviour are put forward.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"88 1","pages":"235-241"},"PeriodicalIF":0.0,"publicationDate":"1990-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84324969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
The application of synthetic fluids to automotive lubricant development: Trends today and tomorrow 合成流体在汽车润滑油开发中的应用:今天和明天的趋势
Journal of Synthetic Lubrication Pub Date : 1990-07-01 DOI: 10.1002/JSL.3000070204
P. S. Coffin, C. M. Lindsay, A. J. Mills, H. Lindenkamp, J. Fuhrmann
{"title":"The application of synthetic fluids to automotive lubricant development: Trends today and tomorrow","authors":"P. S. Coffin, C. M. Lindsay, A. J. Mills, H. Lindenkamp, J. Fuhrmann","doi":"10.1002/JSL.3000070204","DOIUrl":"https://doi.org/10.1002/JSL.3000070204","url":null,"abstract":"Article qui fait le point sur l'evolution des lubrifiants utilises dans le secteur de l'automobile : composition chimique, additifs, proprietes physico-chimiques, performances","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"43 1","pages":"123-143"},"PeriodicalIF":0.0,"publicationDate":"1990-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78646900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Testing the elastomer compatibility of aviation turbine oils 航空涡轮油弹性体相容性试验
Journal of Synthetic Lubrication Pub Date : 1990-07-01 DOI: 10.1002/JSL.3000070203
W. Uedelhoven
{"title":"Testing the elastomer compatibility of aviation turbine oils","authors":"W. Uedelhoven","doi":"10.1002/JSL.3000070203","DOIUrl":"https://doi.org/10.1002/JSL.3000070203","url":null,"abstract":"This paper covers different parameters influencing the elastomer compatibility of aviation turbine oils. It looks first at the chemistry of rubbers and oils, and then at the chemistry and physics of the interactions of elastomer thermodynamics and oils. The applicability of theory is then demonstrated and judged by means of a practical example.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"30 1","pages":"105-121"},"PeriodicalIF":0.0,"publicationDate":"1990-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90794570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Correlations between the structure, physical and rheological properties in the class of neopentylpolyol esters used as lubricating oils 用作润滑油的新戊基多元醇酯类的结构、物理和流变性能之间的关系
Journal of Synthetic Lubrication Pub Date : 1990-07-01 DOI: 10.1002/JSL.3000070205
R. Nutui, M. Mǎtieş, M. Nutui
{"title":"Correlations between the structure, physical and rheological properties in the class of neopentylpolyol esters used as lubricating oils","authors":"R. Nutui, M. Mǎtieş, M. Nutui","doi":"10.1002/JSL.3000070205","DOIUrl":"https://doi.org/10.1002/JSL.3000070205","url":null,"abstract":"This paper examines the correlation between the physical and rheological properties of neopentypolyol ester used as a base oil for synthetic lubricants and the alkyl clash of the carboxylic acid used in preparation of the esters. Kinematic viscosity, viscosity index, flash point and freezing point were examined for fluids prepared by the authors, and their relationships to length and nature of the chains. The resulting data are presented.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"19 1","pages":"145-154"},"PeriodicalIF":0.0,"publicationDate":"1990-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89415254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Optimal preparation conditions for some diester based synthetic lubricants 几种二酯基合成润滑油的最佳制备条件
Journal of Synthetic Lubrication Pub Date : 1990-07-01 DOI: 10.1002/JSL.3000070202
I. A. El-magly, E. Nasr, M. S. El-Samanoudy
{"title":"Optimal preparation conditions for some diester based synthetic lubricants","authors":"I. A. El-magly, E. Nasr, M. S. El-Samanoudy","doi":"10.1002/JSL.3000070202","DOIUrl":"https://doi.org/10.1002/JSL.3000070202","url":null,"abstract":"In this paper, work is reported on the esteriflcation of various materials, where di-2-ethythexyl esters of succinic, adipic, azelaic and sebacic acid were prepared. Water produced by the reaction was separated continuously and the reaction progress was followed up by measurement of the acid content. Factors affecting the esterification were studied and the optimal conditions for conversion of about 92% to 95% (by weight) were found to be: temperature — 179°C; molar ratio of add to alcohol — 1:2.4; catalyst concentration — 3% (by weight) based on acid; agitation rate — 350 r/min.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"31 1","pages":"89-103"},"PeriodicalIF":0.0,"publicationDate":"1990-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75894850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Development of a soluble lubricity additive for perfluoropolyalkylether fluids 全氟聚烷基醚液体可溶性润滑添加剂的研制
Journal of Synthetic Lubrication Pub Date : 1990-04-01 DOI: 10.1002/JSL.3000070103
Sashi Sharma, L. Gschwender, C. Snyder
{"title":"Development of a soluble lubricity additive for perfluoropolyalkylether fluids","authors":"Sashi Sharma, L. Gschwender, C. Snyder","doi":"10.1002/JSL.3000070103","DOIUrl":"https://doi.org/10.1002/JSL.3000070103","url":null,"abstract":"A new lubricity additive for perfluoropolyalkylether (PFPAE) fluids was synthesized. A linear, unbranched fluid formulated with this additive was evaluated under boundary lubrication and elastohydrodynamic (EHD) lubrications. Performance of the base fluid imporved significantly with the incorporation of this additive.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"4 1","pages":"15-23"},"PeriodicalIF":0.0,"publicationDate":"1990-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86387169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Analysis and quality control of aviation turbine oils 航空涡轮油的分析与质量控制
Journal of Synthetic Lubrication Pub Date : 1990-04-01 DOI: 10.1002/JSL.3000070102
P. Bartl, K. Seinsche
{"title":"Analysis and quality control of aviation turbine oils","authors":"P. Bartl, K. Seinsche","doi":"10.1002/JSL.3000070102","DOIUrl":"https://doi.org/10.1002/JSL.3000070102","url":null,"abstract":"A method is described in which capillary gas chromatographic data from aviation turbine oils are processed by methods of pattern recognition based on the chemometrics systempackage ‘Ein*Sight’. It allows an automatic, objective and quantitative comparison of the base oil components of production batches. This application can be used to advantage in a control scheme based on analytical data.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"55 1","pages":"1-14"},"PeriodicalIF":0.0,"publicationDate":"1990-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87149924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Synthetic two-stroke engine oil as a tool of exhaust emission control 合成二冲程发动机油作为废气排放控制工具
Journal of Synthetic Lubrication Pub Date : 1990-04-01 DOI: 10.1002/JSL.3000070105
A. Kovács, D. Olagos
{"title":"Synthetic two-stroke engine oil as a tool of exhaust emission control","authors":"A. Kovács, D. Olagos","doi":"10.1002/JSL.3000070105","DOIUrl":"https://doi.org/10.1002/JSL.3000070105","url":null,"abstract":"Polypropylene oligomers were used to formulate two-stroke (2T) engine oil for once-through lubrication systems, to enhance the exhaust emission characteristics of two-stroke engines. The oligomers alone are suitable from a stability viewpoint, but must be reinforced with polyol-ester components to have good load-carrying capability. Both ash-forming and ash-free commercial additive packages can be used to formulate the end-product. The exhaust stream includes the unburnt portion of the fuel:oil mixture. The lubricating oils formulated on polypropylene oligomer base do not contain polynuclear aromatics, the sulphur-dioxide emission is due to the sulphur content of the fuel and additive (if any). On a bench test, the hydrocarbon emission was significantly lower using polypropylene oil, in comparison to using a commercial mineral-oil-based composition.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"80 1","pages":"47-55"},"PeriodicalIF":0.0,"publicationDate":"1990-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84040459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Current and future polyalphaolefins 当前和未来的聚烯烃
Journal of Synthetic Lubrication Pub Date : 1990-04-01 DOI: 10.1002/JSL.3000070104
J. Blackwell, J. Bullen, R. Shubkin
{"title":"Current and future polyalphaolefins","authors":"J. Blackwell, J. Bullen, R. Shubkin","doi":"10.1002/JSL.3000070104","DOIUrl":"https://doi.org/10.1002/JSL.3000070104","url":null,"abstract":"Polyalphaolefins currently have a market share of less than 1 per cent in Europe, but this is expected to double in the next 5 years. This paper looks at additive response, rheology, volatility, and oxidation resistance of PAOs; of particular importance are their low temperature capabilities. The results of various tests are given, in comparison with mineral-based oils. In conclusion, research is under way to investigate the possibilities of ‘tailor-making’ PAOs by varying production process variables and using a variety of starting olefin streams.","PeriodicalId":17149,"journal":{"name":"Journal of Synthetic Lubrication","volume":"68 1","pages":"25-45"},"PeriodicalIF":0.0,"publicationDate":"1990-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86066566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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