Physicochemical characterization of pulp and nanofibers from kenaf stem
The aim of this study was to isolate cellulose nanofibers from kenaf (Hibiscus cannabinus) stem using chemo-mechanical treatments. The fiber purification method included pulping and bleaching processes whereas the mechanical treatments employed to isolate kenaf nanofibers were grinding and high pres...
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| Veröffentlicht in: | Materials letters 2011-04, Vol.65 (7), p.1098-1100 |
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| creator | Jonoobi, Mehdi Harun, Jalaludin Tahir, Paridah Md Shakeri, Alireza SaifulAzry, Syeed Makinejad, Majid Davoodi |
| description | The aim of this study was to isolate cellulose nanofibers from kenaf
(Hibiscus cannabinus) stem using chemo-mechanical treatments. The fiber purification method included pulping and bleaching processes whereas the mechanical treatments employed to isolate kenaf nanofibers were grinding and high pressure homogenizing. Kenaf nanofibers were found to have diameters in the range of 15–80
nm while most nanofibers have diameters within the range 15–25
nm. Fourier transform infrared spectroscopy (FTIR) showed that the chemical treatments removed lignin and most of the hemicelluloses from the fibers. The thermal characteristics of the fibers were analyzed using the technique of thermogravimetric analysis (TGA) which demonstrated that these characteristics were enhanced noticeably both for the bleached pulp and nanofibers. On the other hand, the X-ray analysis indicated that both chemical and mechanical treatments can improve the crystallinity of fibers. |
| doi_str_mv | 10.1016/j.matlet.2010.08.054 |
| format | Article |
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(Hibiscus cannabinus) stem using chemo-mechanical treatments. The fiber purification method included pulping and bleaching processes whereas the mechanical treatments employed to isolate kenaf nanofibers were grinding and high pressure homogenizing. Kenaf nanofibers were found to have diameters in the range of 15–80
nm while most nanofibers have diameters within the range 15–25
nm. Fourier transform infrared spectroscopy (FTIR) showed that the chemical treatments removed lignin and most of the hemicelluloses from the fibers. The thermal characteristics of the fibers were analyzed using the technique of thermogravimetric analysis (TGA) which demonstrated that these characteristics were enhanced noticeably both for the bleached pulp and nanofibers. On the other hand, the X-ray analysis indicated that both chemical and mechanical treatments can improve the crystallinity of fibers.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2010.08.054</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Bleaching ; Crystal structure ; Crystallinity ; Electron microscopy ; Fibers ; Fourier transforms ; Infrared spectroscopy ; Kenaf ; Kenaf stem ; Nanofiber ; Nanofibers ; Purification ; Thermal properties</subject><ispartof>Materials letters, 2011-04, Vol.65 (7), p.1098-1100</ispartof><rights>2010 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-f0742b3321c82202e7c2d587aef4dc574d9c4d3bd4702911057087d1ef85c96a3</citedby><cites>FETCH-LOGICAL-c384t-f0742b3321c82202e7c2d587aef4dc574d9c4d3bd4702911057087d1ef85c96a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2010.08.054$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Jonoobi, Mehdi</creatorcontrib><creatorcontrib>Harun, Jalaludin</creatorcontrib><creatorcontrib>Tahir, Paridah Md</creatorcontrib><creatorcontrib>Shakeri, Alireza</creatorcontrib><creatorcontrib>SaifulAzry, Syeed</creatorcontrib><creatorcontrib>Makinejad, Majid Davoodi</creatorcontrib><title>Physicochemical characterization of pulp and nanofibers from kenaf stem</title><title>Materials letters</title><description>The aim of this study was to isolate cellulose nanofibers from kenaf
(Hibiscus cannabinus) stem using chemo-mechanical treatments. The fiber purification method included pulping and bleaching processes whereas the mechanical treatments employed to isolate kenaf nanofibers were grinding and high pressure homogenizing. Kenaf nanofibers were found to have diameters in the range of 15–80
nm while most nanofibers have diameters within the range 15–25
nm. Fourier transform infrared spectroscopy (FTIR) showed that the chemical treatments removed lignin and most of the hemicelluloses from the fibers. The thermal characteristics of the fibers were analyzed using the technique of thermogravimetric analysis (TGA) which demonstrated that these characteristics were enhanced noticeably both for the bleached pulp and nanofibers. On the other hand, the X-ray analysis indicated that both chemical and mechanical treatments can improve the crystallinity of fibers.</description><subject>Bleaching</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Electron microscopy</subject><subject>Fibers</subject><subject>Fourier transforms</subject><subject>Infrared spectroscopy</subject><subject>Kenaf</subject><subject>Kenaf stem</subject><subject>Nanofiber</subject><subject>Nanofibers</subject><subject>Purification</subject><subject>Thermal properties</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kEFLwzAYhoMoOKf_wENvnlq_tOmSXgQZOoWBHhS8hSz5wjLbpiaZMH-9HfXs6YOX533hewi5plBQoIvbXdGp1GIqShgjEAXU7ITMqOBVzhrenJLZiPG85vzjnFzEuAMA1gCbkdXr9hCd9nqLndOqzfRWBaUTBvejkvN95m027NshU73JetV76zYYYmaD77JP7JXNYsLukpxZ1Ua8-rtz8v748LZ8ytcvq-fl_TrXlWApt8BZuamqkmpRllAi16WpBVdomdE1Z6bRzFQbwziUDaVQcxDcULSi1s1CVXNyM-0OwX_tMSbZuaixbVWPfh-lWDSCAgMxkmwidfAxBrRyCK5T4SApyKM2uZOTNnnUJkHIUdtYu5tqOH7x7TDIqB32Go0LqJM03v0_8AvhGHhg</recordid><startdate>20110415</startdate><enddate>20110415</enddate><creator>Jonoobi, Mehdi</creator><creator>Harun, Jalaludin</creator><creator>Tahir, Paridah Md</creator><creator>Shakeri, Alireza</creator><creator>SaifulAzry, Syeed</creator><creator>Makinejad, Majid Davoodi</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110415</creationdate><title>Physicochemical characterization of pulp and nanofibers from kenaf stem</title><author>Jonoobi, Mehdi ; Harun, Jalaludin ; Tahir, Paridah Md ; Shakeri, Alireza ; SaifulAzry, Syeed ; Makinejad, Majid Davoodi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-f0742b3321c82202e7c2d587aef4dc574d9c4d3bd4702911057087d1ef85c96a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Bleaching</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Electron microscopy</topic><topic>Fibers</topic><topic>Fourier transforms</topic><topic>Infrared spectroscopy</topic><topic>Kenaf</topic><topic>Kenaf stem</topic><topic>Nanofiber</topic><topic>Nanofibers</topic><topic>Purification</topic><topic>Thermal properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jonoobi, Mehdi</creatorcontrib><creatorcontrib>Harun, Jalaludin</creatorcontrib><creatorcontrib>Tahir, Paridah Md</creatorcontrib><creatorcontrib>Shakeri, Alireza</creatorcontrib><creatorcontrib>SaifulAzry, Syeed</creatorcontrib><creatorcontrib>Makinejad, Majid Davoodi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jonoobi, Mehdi</au><au>Harun, Jalaludin</au><au>Tahir, Paridah Md</au><au>Shakeri, Alireza</au><au>SaifulAzry, Syeed</au><au>Makinejad, Majid Davoodi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physicochemical characterization of pulp and nanofibers from kenaf stem</atitle><jtitle>Materials letters</jtitle><date>2011-04-15</date><risdate>2011</risdate><volume>65</volume><issue>7</issue><spage>1098</spage><epage>1100</epage><pages>1098-1100</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>The aim of this study was to isolate cellulose nanofibers from kenaf
(Hibiscus cannabinus) stem using chemo-mechanical treatments. The fiber purification method included pulping and bleaching processes whereas the mechanical treatments employed to isolate kenaf nanofibers were grinding and high pressure homogenizing. Kenaf nanofibers were found to have diameters in the range of 15–80
nm while most nanofibers have diameters within the range 15–25
nm. Fourier transform infrared spectroscopy (FTIR) showed that the chemical treatments removed lignin and most of the hemicelluloses from the fibers. The thermal characteristics of the fibers were analyzed using the technique of thermogravimetric analysis (TGA) which demonstrated that these characteristics were enhanced noticeably both for the bleached pulp and nanofibers. On the other hand, the X-ray analysis indicated that both chemical and mechanical treatments can improve the crystallinity of fibers.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2010.08.054</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0167-577X |
| ispartof | Materials letters, 2011-04, Vol.65 (7), p.1098-1100 |
| issn | 0167-577X 1873-4979 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_869810408 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bleaching Crystal structure Crystallinity Electron microscopy Fibers Fourier transforms Infrared spectroscopy Kenaf Kenaf stem Nanofiber Nanofibers Purification Thermal properties |
| title | Physicochemical characterization of pulp and nanofibers from kenaf stem |
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