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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids
作者: Mu, LW; Shi, YJ; Guo, XJ; Wu, J; Ji, T; Chen, L; Feng, X; Lu, XH; Hua, J; Zhu, JH
刊名: ACS SUSTAINABLE CHEMISTRY & ENGINEERING
出版日期: 2016
卷号: 4, 期号:7, 页码:3877-3887
关键词: Lignin ; Heteroelement ; Depolymerization ; Hydrogen bonding ; Lubrication
DOI: 10.1021/acssuschemeng.6b00669
通讯作者: Zhu, JH (reprint author), Univ Akron, Dept Chem & Biomol Engn, Intelligent Composites Lab, Akron, OH 44325 USA. ; Shi, YJ (reprint author), Lulea Univ Technol, Div Machine Elements, S-97187 Lulea, Sweden. ; Shi, YJ (reprint author), Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China.
文章类型: 期刊论文
英文摘要: Depolymerization and modification of lignin have been achieved simultaneously in a one-pot chemical reaction. Two heteroelement-rich modifiers, imidazol-1-yl phosphonic dichloride and 1H-1,2,4-triazol-1-yl phosphonic dichloride, were selected to react with lignin in this work. The modified lignin (m-lignin) is demonstrated as an effective lubricating additive for [choline][amino acid] ([CH][AA]) bioionic liquids. Different characterization techniques have been utilized to study the lignin depolymerization, reaction between lignin and modifiers and m-lignin/[CH][AA] interaction. The effect of the molecular structure of the modifiers on the rheological and tribological properties of m-lignin/[CH] [AA] lubricants was systematically investigated. Density function theory is used to calculate the electronic structure of lignin, m-lignin, and [CH][AA]. The atomic natural charge analysis revealed the most negative charge on nitrogen bonded to a phosphorus atom and the strongest capability of forming hydrogen bonding with [CH][AA]. The introduced nitrogen and phosphorus elements not only increase the hydrogen bonding density in m-lignin/[CH][AA] but also enhance the polarity of the m-lignin, both of which facilitate a strong adhesion of lubricant on a metal surface and thus promote lubrication. A larger fraction of heteroatom groups in m-lignin contributes to a better lubrication property of these lubricants.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000380291200036
ISSN号: 2168-0485
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26497
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Mu, LW,Shi, YJ,Guo, XJ,et al. Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2016-01-01,4(7):3877-3887.
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