Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets
Chitosan (CS) has attracted significant interest in various fields due to its outstanding functional properties (especially, its chain with positive charge). However, wide-range applications of CS are severely limited because of its poor mechanical properties. Ultrastrong composite film of CS and si...
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| Veröffentlicht in: | International journal of biological macromolecules 2017-11, Vol.104 (Pt A), p.936-943 |
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| container_end_page | 943 |
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| container_issue | Pt A |
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| container_title | International journal of biological macromolecules |
| container_volume | 104 |
| creator | Yan, Haichen Jiang, Lei Xu, Xiaozhou Li, Yanbao Shen, Yuesong Zhu, Shemin |
| description | Chitosan (CS) has attracted significant interest in various fields due to its outstanding functional properties (especially, its chain with positive charge). However, wide-range applications of CS are severely limited because of its poor mechanical properties. Ultrastrong composite film of CS and silica-coated graphene oxide sheets (GO@SiO2) were prepared by a simple solution casting method in this article. GO@SiO2 was prepared by the hydrolysis of tetraethyl orthosilicate (TEOS) in GO ethanol solution. Compared with the pure CS film, the tensile strength of the CS/GO@SiO2 composite film with incorporation of 1.75wt% GO@SiO2 fillers was significantly increased 158% from 55±4 to 142±24MPa. Such high tensile strength may be caused synergistically by strong interaction between two components and high crystallinity of the CS matrix. CS based composite with ultrastrong strength may have more potential applications in biomedical fields. |
| doi_str_mv | 10.1016/j.ijbiomac.2017.07.003 |
| format | Article |
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However, wide-range applications of CS are severely limited because of its poor mechanical properties. Ultrastrong composite film of CS and silica-coated graphene oxide sheets (GO@SiO2) were prepared by a simple solution casting method in this article. GO@SiO2 was prepared by the hydrolysis of tetraethyl orthosilicate (TEOS) in GO ethanol solution. Compared with the pure CS film, the tensile strength of the CS/GO@SiO2 composite film with incorporation of 1.75wt% GO@SiO2 fillers was significantly increased 158% from 55±4 to 142±24MPa. Such high tensile strength may be caused synergistically by strong interaction between two components and high crystallinity of the CS matrix. CS based composite with ultrastrong strength may have more potential applications in biomedical fields.</description><identifier>ISSN: 0141-8130</identifier><identifier>EISSN: 1879-0003</identifier><identifier>DOI: 10.1016/j.ijbiomac.2017.07.003</identifier><identifier>PMID: 28684350</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Biocompatible Materials - chemistry ; Chitosan ; Chitosan - chemistry ; Composite film ; Graphene oxide ; Graphite - chemistry ; Mechanical Phenomena ; Oxides - chemistry ; Silica ; Silicon Dioxide - chemistry ; Tensile Strength</subject><ispartof>International journal of biological macromolecules, 2017-11, Vol.104 (Pt A), p.936-943</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright © 2017 Elsevier B.V. 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However, wide-range applications of CS are severely limited because of its poor mechanical properties. Ultrastrong composite film of CS and silica-coated graphene oxide sheets (GO@SiO2) were prepared by a simple solution casting method in this article. GO@SiO2 was prepared by the hydrolysis of tetraethyl orthosilicate (TEOS) in GO ethanol solution. Compared with the pure CS film, the tensile strength of the CS/GO@SiO2 composite film with incorporation of 1.75wt% GO@SiO2 fillers was significantly increased 158% from 55±4 to 142±24MPa. Such high tensile strength may be caused synergistically by strong interaction between two components and high crystallinity of the CS matrix. CS based composite with ultrastrong strength may have more potential applications in biomedical fields.</description><subject>Biocompatible Materials - chemistry</subject><subject>Chitosan</subject><subject>Chitosan - chemistry</subject><subject>Composite film</subject><subject>Graphene oxide</subject><subject>Graphite - chemistry</subject><subject>Mechanical Phenomena</subject><subject>Oxides - chemistry</subject><subject>Silica</subject><subject>Silicon Dioxide - chemistry</subject><subject>Tensile Strength</subject><issn>0141-8130</issn><issn>1879-0003</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkFtLAzEQhYMotlb_guTRl6257CV5U4o3EH2xzyGbTGzK7qYmqei_d0utr8LADMM5c5gPoUtK5pTQ-no99-vWh16bOSO0mZOxCD9CUyoaWZBxPkZTQktaCMrJBJ2ltB63dUXFKZowUYuSV2SKXpZdjjrlGIZ3bEK_CclnwM53PQ4OL1Y-h6QHrAeLk--80YUJOoPF71FvVjAADl_eAk4rgJzO0YnTXYKL3z5Dy_u7t8Vj8fz68LS4fS4Mr0UuJC1LSRrGtW4sb2UjXFXJqnbUOipaaYhuKXOON9oyCZyXnDFonGtrzUgt-Axd7e9uYvjYQsqq98lA1-kBwjYpKmnDKykYH6X1XmpiSCmCU5voex2_FSVqx1Kt1YGl2rFUZCyyM17-ZmzbHuyf7QBvFNzsBTB--ukhqmQ8DAasj2CyssH_l_EDjG6Ipw</recordid><startdate>201711</startdate><enddate>201711</enddate><creator>Yan, Haichen</creator><creator>Jiang, Lei</creator><creator>Xu, Xiaozhou</creator><creator>Li, Yanbao</creator><creator>Shen, Yuesong</creator><creator>Zhu, Shemin</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201711</creationdate><title>Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets</title><author>Yan, Haichen ; Jiang, Lei ; Xu, Xiaozhou ; Li, Yanbao ; Shen, Yuesong ; Zhu, Shemin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-914490723aa7d3b978f55956f1df18b9c0ab12ff37ad29e334322e7ffb6a20683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Biocompatible Materials - chemistry</topic><topic>Chitosan</topic><topic>Chitosan - chemistry</topic><topic>Composite film</topic><topic>Graphene oxide</topic><topic>Graphite - chemistry</topic><topic>Mechanical Phenomena</topic><topic>Oxides - chemistry</topic><topic>Silica</topic><topic>Silicon Dioxide - chemistry</topic><topic>Tensile Strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yan, Haichen</creatorcontrib><creatorcontrib>Jiang, Lei</creatorcontrib><creatorcontrib>Xu, Xiaozhou</creatorcontrib><creatorcontrib>Li, Yanbao</creatorcontrib><creatorcontrib>Shen, Yuesong</creatorcontrib><creatorcontrib>Zhu, Shemin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yan, Haichen</au><au>Jiang, Lei</au><au>Xu, Xiaozhou</au><au>Li, Yanbao</au><au>Shen, Yuesong</au><au>Zhu, Shemin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2017-11</date><risdate>2017</risdate><volume>104</volume><issue>Pt A</issue><spage>936</spage><epage>943</epage><pages>936-943</pages><issn>0141-8130</issn><eissn>1879-0003</eissn><abstract>Chitosan (CS) has attracted significant interest in various fields due to its outstanding functional properties (especially, its chain with positive charge). 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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Biocompatible Materials - chemistry Chitosan Chitosan - chemistry Composite film Graphene oxide Graphite - chemistry Mechanical Phenomena Oxides - chemistry Silica Silicon Dioxide - chemistry Tensile Strength |
| title | Ultrastrong composite film of Chitosan and silica-coated graphene oxide sheets |
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