高粘度聚烷基菲油:润滑性能的合成与评价

IF 1.8 4区工程技术 Q3 ENGINEERING, CHEMICAL

Lubrication Science Pub Date : 2022-06-08 DOI:10.1002/ls.1606

Jingze Cui, Qiong Tang, Chen Chen, Hong Xu, Lei Liu, Jinxiang Dong

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引用次数: 4

摘要

以煤基化工原料为原料生产润滑油基础油是替代传统石油基润滑油的一种替代途径。本文首次报道了以煤基化学品(菲，C6/ c8 -烯烃)为原料，以酸性离子液体(Et3NHCl∙2AlCl3)为催化剂，通过烷基化反应合成高粘度聚烷基菲油。通过对其主要理化性质的详细研究，揭示了其结构与性能之间的关系。结果表明，在分子结构中存在菲环使得其具有较高的运动粘度(100℃时为12.6 ~ 30.2 mm2·s−1)、较好的闪点(230℃)、较长的氧化起始时间(230℃)和良好的极性。此外，对合成油和市售PAO-20润滑基础油的摩擦学性能进行了比较研究，结果表明，与PAO-20相比，这些烷基化菲具有更高的承载能力，特别是PHP-3和POP-3，具有更高的减摩抗磨性能。

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High-viscosity polyalkylphenanthrene oils: Synthesis and evaluation of lubricating properties

Producing lubricating base oils from coal-based chemicals is an alternative route for replacing the conventional petro-based lubricants. Herein, we firstly reported the synthesis of high-viscosity polyalkylphenanthrene oils derived from the coal-based chemicals (phenanthrene, C6/C8-olefins) by alkylation with acidic ionic liquid (Et₃NHCl∙2AlCl₃) as catalyst. Their primary physicochemical properties were studied in detail to reveal their structure–property relationships, the existence of the phenanthrene ring in their molecular structure led to some good property, such as high-kinematic viscosity (12.6–30.2 mm²·s⁻¹ at 100°C), better flash point (>230°C), high-oxidative onset time (>230°C) and good polarity. Moreover, the tribological performances of the synthetic oils and the commercial PAO-20 lubricating base oil were studied for comparison, these alkylated phenanthrenes, especially PHP-3 and POP-3, exhibited much higher load-carrying capacity, reducing friction and anti-wear property than that observed on PAO-20.

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.