CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids
Mu, LW; Shi, YJ; Guo, XJ; Wu, J; Ji, T; Chen, L; Feng, X; Lu, XH; Hua, J; Zhu, JH; 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.
2016
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
Volume4Issue:7Pages:3877-3887
Subtype期刊论文
AbstractDepolymerization 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.
KeywordLignin Heteroelement Depolymerization Hydrogen Bonding Lubrication
DOI10.1021/acssuschemeng.6b00669
Indexed BySCI
Language英语
WOS IDWOS:000380291200036
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26497
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorZhu, 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.
Recommended Citation
GB/T 7714
Mu, LW,Shi, YJ,Guo, XJ,et al. Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2016,4(7):3877-3887.
APA Mu, LW.,Shi, YJ.,Guo, XJ.,Wu, J.,Ji, T.,...&Shi, YJ .(2016).Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,4(7),3877-3887.
MLA Mu, LW,et al."Enriching Heteroelements in Lignin as Lubricating Additives for Bioionic Liquids".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 4.7(2016):3877-3887.
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