Effect of lignin content on the microstructural characteristics of lignocellulose nanofibrils
The microstructure and properties of lignocellulosic fibers usually change during the drying process due to the hornification of fibers. The water retention ability of fibers is an effective way to reflect the degree of fiber hornification. In this study, the effects of lignin content on the microst...
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| Veröffentlicht in: | Cellulose (London) 2020-02, Vol.27 (3), p.1327-1340 |
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| creator | Fu, Haocheng Gao, Wenhua Wang, Bin Zeng, Jinsong Cheng, Zheng Xu, Jun Chen, Kefu |
| description | The microstructure and properties of lignocellulosic fibers usually change during the drying process due to the hornification of fibers. The water retention ability of fibers is an effective way to reflect the degree of fiber hornification. In this study, the effects of lignin content on the microstructural properties of dried-redispersed LCNFs (DLCNFs) were extensively explored. The results showed that the high content of lignin could maintain the microstructural integrity of DLCNFs. The water retention value and hornification degree of high lignin content DLCNFs (22.1%, w/w) were 289.8% and 6.9%, which were much lower than those of low lignin content (6.2%, w/w) DLCNFs. This was probably because that the crosslinking between lignin and carbohydrate effectively prevented the hydrogen bonding formation in the interior-fibers and exterior-fibers, and reduced the irreversible hornicficatoin of LCNFs. This study will be beneficial for the development of the LCNF drying mechanism.
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| doi_str_mv | 10.1007/s10570-019-02859-2 |
| format | Article |
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Gao, Wenhua ; Wang, Bin ; Zeng, Jinsong ; Cheng, Zheng ; Xu, Jun ; Chen, Kefu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-d6635f4402d1dfbcab4016f6423437f975d4061f514a3b4ab366c32fb5832b6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bioorganic Chemistry</topic><topic>Carbohydrates</topic><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Crosslinking</topic><topic>Drying</topic><topic>Fibers</topic><topic>Glass</topic><topic>Hydrogen bonding</topic><topic>Lignin</topic><topic>Lignocellulose</topic><topic>Microstructure</topic><topic>Natural Materials</topic><topic>Organic Chemistry</topic><topic>Original Research</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Sustainable Development</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fu, Haocheng</creatorcontrib><creatorcontrib>Gao, Wenhua</creatorcontrib><creatorcontrib>Wang, Bin</creatorcontrib><creatorcontrib>Zeng, Jinsong</creatorcontrib><creatorcontrib>Cheng, Zheng</creatorcontrib><creatorcontrib>Xu, Jun</creatorcontrib><creatorcontrib>Chen, Kefu</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Cellulose (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fu, Haocheng</au><au>Gao, Wenhua</au><au>Wang, Bin</au><au>Zeng, Jinsong</au><au>Cheng, Zheng</au><au>Xu, Jun</au><au>Chen, Kefu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of lignin content on the microstructural characteristics of lignocellulose nanofibrils</atitle><jtitle>Cellulose (London)</jtitle><stitle>Cellulose</stitle><date>2020-02-01</date><risdate>2020</risdate><volume>27</volume><issue>3</issue><spage>1327</spage><epage>1340</epage><pages>1327-1340</pages><issn>0969-0239</issn><eissn>1572-882X</eissn><abstract>The microstructure and properties of lignocellulosic fibers usually change during the drying process due to the hornification of fibers. The water retention ability of fibers is an effective way to reflect the degree of fiber hornification. In this study, the effects of lignin content on the microstructural properties of dried-redispersed LCNFs (DLCNFs) were extensively explored. The results showed that the high content of lignin could maintain the microstructural integrity of DLCNFs. The water retention value and hornification degree of high lignin content DLCNFs (22.1%, w/w) were 289.8% and 6.9%, which were much lower than those of low lignin content (6.2%, w/w) DLCNFs. This was probably because that the crosslinking between lignin and carbohydrate effectively prevented the hydrogen bonding formation in the interior-fibers and exterior-fibers, and reduced the irreversible hornicficatoin of LCNFs. This study will be beneficial for the development of the LCNF drying mechanism.
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| subjects | Bioorganic Chemistry Carbohydrates Ceramics Chemistry Chemistry and Materials Science Composites Crosslinking Drying Fibers Glass Hydrogen bonding Lignin Lignocellulose Microstructure Natural Materials Organic Chemistry Original Research Physical Chemistry Polymer Sciences Sustainable Development |
| title | Effect of lignin content on the microstructural characteristics of lignocellulose nanofibrils |
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