Solvent-free graphene liquids: Promising candidates for lubricants without the base oil
[Display omitted] Reduced graphene oxide modified by hyperbranched polyamine-ester (RGO-HBPE) liquids was successfully fabricated through the surface chemical engineering and tested for serving as a solvent-free novel lubricant. Structural characterization, dispersibility and rheology behavior of th...
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| Veröffentlicht in: | Journal of colloid and interface science 2019-04, Vol.542, p.159-167 |
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| container_title | Journal of colloid and interface science |
| container_volume | 542 |
| creator | Zhang, Jiaoxia Li, Peipei Zhang, Zhuangzhuang Wang, Xiaojing Tang, Jijun Liu, Hu Shao, Qian Ding, Tao Umar, Ahmad Guo, Zhanhu |
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Reduced graphene oxide modified by hyperbranched polyamine-ester (RGO-HBPE) liquids was successfully fabricated through the surface chemical engineering and tested for serving as a solvent-free novel lubricant. Structural characterization, dispersibility and rheology behavior of the lubricant and the related frication performance on steel plate were investigated thoroughly. The results manifest that the RGO-HBPE exhibited good dispersity in distilled water and liquid behavior without any solvent at ambient temperature. And this RGO-HBPE liquids could be directly introduced onto the surface of steel plate as lubricants without any additional base oil. Tribological results and the proposed lubricating mechanism of RGO-HBPE imply that the fluidity of RGO-HBPE is favorable for lubrication and is crucial to reduce the friction coefficient. The spontaneous flow of RGO-HBPE provide a spreading effect to form the lubricating film. The specific spreading effect of RGO-HBPE and the synergistic lubricating effect between HBPE and graphene demonstrate that RGO-HBPE could be directly used as promising candidates for lubricants in nowadays moving machines. |
| doi_str_mv | 10.1016/j.jcis.2019.01.135 |
| format | Article |
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Reduced graphene oxide modified by hyperbranched polyamine-ester (RGO-HBPE) liquids was successfully fabricated through the surface chemical engineering and tested for serving as a solvent-free novel lubricant. Structural characterization, dispersibility and rheology behavior of the lubricant and the related frication performance on steel plate were investigated thoroughly. The results manifest that the RGO-HBPE exhibited good dispersity in distilled water and liquid behavior without any solvent at ambient temperature. And this RGO-HBPE liquids could be directly introduced onto the surface of steel plate as lubricants without any additional base oil. Tribological results and the proposed lubricating mechanism of RGO-HBPE imply that the fluidity of RGO-HBPE is favorable for lubrication and is crucial to reduce the friction coefficient. The spontaneous flow of RGO-HBPE provide a spreading effect to form the lubricating film. The specific spreading effect of RGO-HBPE and the synergistic lubricating effect between HBPE and graphene demonstrate that RGO-HBPE could be directly used as promising candidates for lubricants in nowadays moving machines.</description><identifier>ISSN: 0021-9797</identifier><identifier>EISSN: 1095-7103</identifier><identifier>DOI: 10.1016/j.jcis.2019.01.135</identifier><identifier>PMID: 30739007</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Graphene oxide ; Hyperbranched polyamine-ester ; Lubricant ; Solvent-free graphene liquids</subject><ispartof>Journal of colloid and interface science, 2019-04, Vol.542, p.159-167</ispartof><rights>2019 Elsevier Inc.</rights><rights>Copyright © 2019 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-2127a0fa90d3fc393f30f646e46fd0363cf33f74b8ff1477893faf3fb5eb7b4a3</citedby><cites>FETCH-LOGICAL-c356t-2127a0fa90d3fc393f30f646e46fd0363cf33f74b8ff1477893faf3fb5eb7b4a3</cites><orcidid>0000-0003-4851-9912 ; 0000-0003-0134-0210</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jcis.2019.01.135$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30739007$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Jiaoxia</creatorcontrib><creatorcontrib>Li, Peipei</creatorcontrib><creatorcontrib>Zhang, Zhuangzhuang</creatorcontrib><creatorcontrib>Wang, Xiaojing</creatorcontrib><creatorcontrib>Tang, Jijun</creatorcontrib><creatorcontrib>Liu, Hu</creatorcontrib><creatorcontrib>Shao, Qian</creatorcontrib><creatorcontrib>Ding, Tao</creatorcontrib><creatorcontrib>Umar, Ahmad</creatorcontrib><creatorcontrib>Guo, Zhanhu</creatorcontrib><title>Solvent-free graphene liquids: Promising candidates for lubricants without the base oil</title><title>Journal of colloid and interface science</title><addtitle>J Colloid Interface Sci</addtitle><description>[Display omitted]
Reduced graphene oxide modified by hyperbranched polyamine-ester (RGO-HBPE) liquids was successfully fabricated through the surface chemical engineering and tested for serving as a solvent-free novel lubricant. Structural characterization, dispersibility and rheology behavior of the lubricant and the related frication performance on steel plate were investigated thoroughly. The results manifest that the RGO-HBPE exhibited good dispersity in distilled water and liquid behavior without any solvent at ambient temperature. And this RGO-HBPE liquids could be directly introduced onto the surface of steel plate as lubricants without any additional base oil. Tribological results and the proposed lubricating mechanism of RGO-HBPE imply that the fluidity of RGO-HBPE is favorable for lubrication and is crucial to reduce the friction coefficient. The spontaneous flow of RGO-HBPE provide a spreading effect to form the lubricating film. The specific spreading effect of RGO-HBPE and the synergistic lubricating effect between HBPE and graphene demonstrate that RGO-HBPE could be directly used as promising candidates for lubricants in nowadays moving machines.</description><subject>Graphene oxide</subject><subject>Hyperbranched polyamine-ester</subject><subject>Lubricant</subject><subject>Solvent-free graphene liquids</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1r3DAQhkVJ6W7S_oEego652J2xbMsOvYQlXxBoIC09Clke7WrxWhtJTui_r5dNc-xpYHjel5mHsa8IOQLW37b51riYF4BtDpijqD6wJUJbZRJBnLAlQIFZK1u5YKcxbgEQq6r9xBYCpGgB5JL9fvLDC40ps4GIr4Peb2gkPrjnyfXxkj8Gv3PRjWtu9Ni7XieK3PrAh6kLbt6lyF9d2vgp8bQh3ulI3LvhM_to9RDpy9s8Y79urn-u7rKHH7f3q6uHzIiqTlmBhdRgdQu9sEa0wgqwdVlTWdseRC2MFcLKsmusxVLKZia0FbarqJNdqcUZuzj27oN_nigmNZ9raBj0SH6KqsBGYCMbwBktjqgJPsZAVu2D2-nwRyGog1C1VQeh6iBUAapZ6Bw6f-ufuh3175F_Bmfg-xGg-csXR0FF42g01LtAJqneu__1_wWgmYgR</recordid><startdate>20190415</startdate><enddate>20190415</enddate><creator>Zhang, Jiaoxia</creator><creator>Li, Peipei</creator><creator>Zhang, Zhuangzhuang</creator><creator>Wang, Xiaojing</creator><creator>Tang, Jijun</creator><creator>Liu, Hu</creator><creator>Shao, Qian</creator><creator>Ding, Tao</creator><creator>Umar, Ahmad</creator><creator>Guo, Zhanhu</creator><general>Elsevier Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-4851-9912</orcidid><orcidid>https://orcid.org/0000-0003-0134-0210</orcidid></search><sort><creationdate>20190415</creationdate><title>Solvent-free graphene liquids: Promising candidates for lubricants without the base oil</title><author>Zhang, Jiaoxia ; Li, Peipei ; Zhang, Zhuangzhuang ; Wang, Xiaojing ; Tang, Jijun ; Liu, Hu ; Shao, Qian ; Ding, Tao ; Umar, Ahmad ; Guo, Zhanhu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-2127a0fa90d3fc393f30f646e46fd0363cf33f74b8ff1477893faf3fb5eb7b4a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Graphene oxide</topic><topic>Hyperbranched polyamine-ester</topic><topic>Lubricant</topic><topic>Solvent-free graphene liquids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Jiaoxia</creatorcontrib><creatorcontrib>Li, Peipei</creatorcontrib><creatorcontrib>Zhang, Zhuangzhuang</creatorcontrib><creatorcontrib>Wang, Xiaojing</creatorcontrib><creatorcontrib>Tang, Jijun</creatorcontrib><creatorcontrib>Liu, Hu</creatorcontrib><creatorcontrib>Shao, Qian</creatorcontrib><creatorcontrib>Ding, Tao</creatorcontrib><creatorcontrib>Umar, Ahmad</creatorcontrib><creatorcontrib>Guo, Zhanhu</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Jiaoxia</au><au>Li, Peipei</au><au>Zhang, Zhuangzhuang</au><au>Wang, Xiaojing</au><au>Tang, Jijun</au><au>Liu, Hu</au><au>Shao, Qian</au><au>Ding, Tao</au><au>Umar, Ahmad</au><au>Guo, Zhanhu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Solvent-free graphene liquids: Promising candidates for lubricants without the base oil</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2019-04-15</date><risdate>2019</risdate><volume>542</volume><spage>159</spage><epage>167</epage><pages>159-167</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><abstract>[Display omitted]
Reduced graphene oxide modified by hyperbranched polyamine-ester (RGO-HBPE) liquids was successfully fabricated through the surface chemical engineering and tested for serving as a solvent-free novel lubricant. Structural characterization, dispersibility and rheology behavior of the lubricant and the related frication performance on steel plate were investigated thoroughly. The results manifest that the RGO-HBPE exhibited good dispersity in distilled water and liquid behavior without any solvent at ambient temperature. And this RGO-HBPE liquids could be directly introduced onto the surface of steel plate as lubricants without any additional base oil. Tribological results and the proposed lubricating mechanism of RGO-HBPE imply that the fluidity of RGO-HBPE is favorable for lubrication and is crucial to reduce the friction coefficient. The spontaneous flow of RGO-HBPE provide a spreading effect to form the lubricating film. The specific spreading effect of RGO-HBPE and the synergistic lubricating effect between HBPE and graphene demonstrate that RGO-HBPE could be directly used as promising candidates for lubricants in nowadays moving machines.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>30739007</pmid><doi>10.1016/j.jcis.2019.01.135</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-4851-9912</orcidid><orcidid>https://orcid.org/0000-0003-0134-0210</orcidid></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Graphene oxide Hyperbranched polyamine-ester Lubricant Solvent-free graphene liquids |
| title | Solvent-free graphene liquids: Promising candidates for lubricants without the base oil |
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