Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties
Alkylnaphthalene as base oils are widely applied in the production of high-performance lubricating oils. Here, we report the synthesis of multi-butylnaphthalenes by alkylation of naphthalene and <i>n</i>-butene with trifluoromethanesulfonic acid as catalyst. Trifluoromethanesulfonic acid...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-03-01
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| Series: | Lubricants |
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| Online Access: | https://www.mdpi.com/2075-4442/11/4/156 |
| _version_ | 1797604585931538432 |
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| author | Yuanyuan Li Chen Chen Qiong Tang Lei Liu Jinxiang Dong |
| author_facet | Yuanyuan Li Chen Chen Qiong Tang Lei Liu Jinxiang Dong |
| author_sort | Yuanyuan Li |
| collection | DOAJ |
| description | Alkylnaphthalene as base oils are widely applied in the production of high-performance lubricating oils. Here, we report the synthesis of multi-butylnaphthalenes by alkylation of naphthalene and <i>n</i>-butene with trifluoromethanesulfonic acid as catalyst. Trifluoromethanesulfonic acid exhibited excellent catalytic performance with naphthalene conversion, as high as 98.5%, and the multi-butylnaphthalenes selectivity of 98.8% under optimum conditions. To investigate the effects of the side-chain numbers on naphthalene on the lubrication performance, two kinds of alkylnaphthalenes were obtained by controlling catalyst dosage, denoted as MBN-1 (90.3% mono/di-butylnaphthalenes) and MBN-2 (98.2% tri/tetra/penta/hexa-butylnaphthalenes), respectively. The primary physiochemical properties of the synthetic oils were tested, and their tribological performance was evaluated. MBN-2, with more side chains on naphthalene, displayed more effective friction reduction and anti-wear properties than MBN-1 and the commercial alkyl naphthalene base oil AN5. |
| first_indexed | 2024-03-11T04:48:22Z |
| format | Article |
| id | doaj.art-26f3fdb63cd342fc9c5ed10636e85961 |
| institution | Directory Open Access Journal |
| issn | 2075-4442 |
| language | English |
| last_indexed | 2024-03-11T04:48:22Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Lubricants |
| spelling | doaj.art-26f3fdb63cd342fc9c5ed10636e859612023-11-17T20:07:49ZengMDPI AGLubricants2075-44422023-03-0111415610.3390/lubricants11040156Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating PropertiesYuanyuan Li0Chen Chen1Qiong Tang2Lei Liu3Jinxiang Dong4College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan 030024, ChinaAlkylnaphthalene as base oils are widely applied in the production of high-performance lubricating oils. Here, we report the synthesis of multi-butylnaphthalenes by alkylation of naphthalene and <i>n</i>-butene with trifluoromethanesulfonic acid as catalyst. Trifluoromethanesulfonic acid exhibited excellent catalytic performance with naphthalene conversion, as high as 98.5%, and the multi-butylnaphthalenes selectivity of 98.8% under optimum conditions. To investigate the effects of the side-chain numbers on naphthalene on the lubrication performance, two kinds of alkylnaphthalenes were obtained by controlling catalyst dosage, denoted as MBN-1 (90.3% mono/di-butylnaphthalenes) and MBN-2 (98.2% tri/tetra/penta/hexa-butylnaphthalenes), respectively. The primary physiochemical properties of the synthetic oils were tested, and their tribological performance was evaluated. MBN-2, with more side chains on naphthalene, displayed more effective friction reduction and anti-wear properties than MBN-1 and the commercial alkyl naphthalene base oil AN5.https://www.mdpi.com/2075-4442/11/4/156naphthalenetrifluoromethanesulfonic acidalkylationsynthetic lubricating base oil |
| spellingShingle | Yuanyuan Li Chen Chen Qiong Tang Lei Liu Jinxiang Dong Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties Lubricants naphthalene trifluoromethanesulfonic acid alkylation synthetic lubricating base oil |
| title | Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties |
| title_full | Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties |
| title_fullStr | Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties |
| title_full_unstemmed | Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties |
| title_short | Synthesis of Multi-butylnaphthalene Base Oils Catalyzed by Trifluoromethanesulfonic Acid and Its Lubricating Properties |
| title_sort | synthesis of multi butylnaphthalene base oils catalyzed by trifluoromethanesulfonic acid and its lubricating properties |
| topic | naphthalene trifluoromethanesulfonic acid alkylation synthetic lubricating base oil |
| url | https://www.mdpi.com/2075-4442/11/4/156 |
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