Anisotropic nanocellulose aerogels with ordered structures fabricated by directional freeze-drying for fast liquid transport
Directional freeze-drying is considered to regulate the structure of nanocellulose aerogels with special performances. In this work, TEMPO-oxidized cellulose nanofiber aerogels with high porosity (> 99.5%) and low density (~ 7 mg/cm 3 ) were produced by different freeze-drying methods. The effect...
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| Veröffentlicht in: | Cellulose (London) 2019-07, Vol.26 (11), p.6653-6667 |
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| creator | Chen, Yiming Zhou, Lijie Chen, Lian Duan, Gaigai Mei, Changtong Huang, Chaobo Han, Jingquan Jiang, Shaohua |
| description | Directional freeze-drying is considered to regulate the structure of nanocellulose aerogels with special performances. In this work, TEMPO-oxidized cellulose nanofiber aerogels with high porosity (> 99.5%) and low density (~ 7 mg/cm
3
) were produced by different freeze-drying methods. The effects of temperature, freezing reagents and freezing methods on the structure and properties of aerogels were investigated. Among them, an anisotropic cellulose aerogel was obtained using a simple and flexible directional freezing in ethanol of − 30 °C by a self-made directional freezer. Our results demonstrated that it could present honeycomb-like pores in the transverse direction and regular directional tunnels in the longitudinal direction, and some attractive features, such as high water adsorption (120 g/g) and stability in water. Compared with other aerogels, this anisotropic structure also provided the aerogel with excellent compressive property (15.2 kPa) and faster liquid transport (4.95 mm/s) in the longitudinal direction than in other directions. The distinctive aerogels based on nanocellulose by directional freeze-drying are also expected to be combined with multifunctional materials to achieve directional applications to meet the requirements of different fields.
Graphic abstract |
| doi_str_mv | 10.1007/s10570-019-02557-z |
| format | Article |
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3
) were produced by different freeze-drying methods. The effects of temperature, freezing reagents and freezing methods on the structure and properties of aerogels were investigated. Among them, an anisotropic cellulose aerogel was obtained using a simple and flexible directional freezing in ethanol of − 30 °C by a self-made directional freezer. Our results demonstrated that it could present honeycomb-like pores in the transverse direction and regular directional tunnels in the longitudinal direction, and some attractive features, such as high water adsorption (120 g/g) and stability in water. Compared with other aerogels, this anisotropic structure also provided the aerogel with excellent compressive property (15.2 kPa) and faster liquid transport (4.95 mm/s) in the longitudinal direction than in other directions. The distinctive aerogels based on nanocellulose by directional freeze-drying are also expected to be combined with multifunctional materials to achieve directional applications to meet the requirements of different fields.
Graphic abstract</description><identifier>ISSN: 0969-0239</identifier><identifier>EISSN: 1572-882X</identifier><identifier>DOI: 10.1007/s10570-019-02557-z</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Adsorbed water ; Aerogels ; Anisotropy ; Bioorganic Chemistry ; Cellulose ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Composites ; Ethanol ; Freeze drying ; Freezing ; Glass ; Multifunctional materials ; Nanofibers ; Natural Materials ; Organic Chemistry ; Original Research ; Physical Chemistry ; Polymer Sciences ; Porosity ; Reagents ; Sustainable Development ; Temperature effects ; Transport</subject><ispartof>Cellulose (London), 2019-07, Vol.26 (11), p.6653-6667</ispartof><rights>Springer Nature B.V. 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-2aae9424cb6def2d0f0693cd38d112a5991382dd1f2553123a0fc0c3317553ea3</citedby><cites>FETCH-LOGICAL-c356t-2aae9424cb6def2d0f0693cd38d112a5991382dd1f2553123a0fc0c3317553ea3</cites><orcidid>0000-0001-6147-3248</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10570-019-02557-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10570-019-02557-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Chen, Yiming</creatorcontrib><creatorcontrib>Zhou, Lijie</creatorcontrib><creatorcontrib>Chen, Lian</creatorcontrib><creatorcontrib>Duan, Gaigai</creatorcontrib><creatorcontrib>Mei, Changtong</creatorcontrib><creatorcontrib>Huang, Chaobo</creatorcontrib><creatorcontrib>Han, Jingquan</creatorcontrib><creatorcontrib>Jiang, Shaohua</creatorcontrib><title>Anisotropic nanocellulose aerogels with ordered structures fabricated by directional freeze-drying for fast liquid transport</title><title>Cellulose (London)</title><addtitle>Cellulose</addtitle><description>Directional freeze-drying is considered to regulate the structure of nanocellulose aerogels with special performances. In this work, TEMPO-oxidized cellulose nanofiber aerogels with high porosity (> 99.5%) and low density (~ 7 mg/cm
3
) were produced by different freeze-drying methods. The effects of temperature, freezing reagents and freezing methods on the structure and properties of aerogels were investigated. Among them, an anisotropic cellulose aerogel was obtained using a simple and flexible directional freezing in ethanol of − 30 °C by a self-made directional freezer. Our results demonstrated that it could present honeycomb-like pores in the transverse direction and regular directional tunnels in the longitudinal direction, and some attractive features, such as high water adsorption (120 g/g) and stability in water. Compared with other aerogels, this anisotropic structure also provided the aerogel with excellent compressive property (15.2 kPa) and faster liquid transport (4.95 mm/s) in the longitudinal direction than in other directions. The distinctive aerogels based on nanocellulose by directional freeze-drying are also expected to be combined with multifunctional materials to achieve directional applications to meet the requirements of different fields.
Graphic abstract</description><subject>Adsorbed water</subject><subject>Aerogels</subject><subject>Anisotropy</subject><subject>Bioorganic Chemistry</subject><subject>Cellulose</subject><subject>Ceramics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Ethanol</subject><subject>Freeze drying</subject><subject>Freezing</subject><subject>Glass</subject><subject>Multifunctional materials</subject><subject>Nanofibers</subject><subject>Natural Materials</subject><subject>Organic Chemistry</subject><subject>Original Research</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Porosity</subject><subject>Reagents</subject><subject>Sustainable Development</subject><subject>Temperature effects</subject><subject>Transport</subject><issn>0969-0239</issn><issn>1572-882X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWD_-gKeA59VJ0t3tHqX4BQUvCt5CmkxqZN3USRZp8ccbreDN0zAz7_sy8zB2JuBCALSXSUDdQgWiq0DWdVtt99hE1K2sZjP5vM8m0DXfK9UdsqOUXgGga6WYsM-rIaSYKa6D5YMZosW-H_uYkBukuMI-8Y-QX3gkh4SOp0yjzSNh4t4sKViTy3S54S4Q2hziYHruCXGLlaNNGFbcRyralHkf3sfgeCYzpHWkfMIOvOkTnv7WY_Z0c_04v6sWD7f386tFZVXd5Eoag91UTu2yceilAw9Np6xTMyeENHXXCTWTzglfXldCKgPeglVKtKVHo47Z-S53TfF9xJT1axypHJq0lLWQIKeNKiq5U1mKKRF6vabwZmijBehvynpHWRfK-oey3haT2plSEQ8rpL_of1xfo4GDzA</recordid><startdate>20190730</startdate><enddate>20190730</enddate><creator>Chen, Yiming</creator><creator>Zhou, Lijie</creator><creator>Chen, Lian</creator><creator>Duan, Gaigai</creator><creator>Mei, Changtong</creator><creator>Huang, Chaobo</creator><creator>Han, Jingquan</creator><creator>Jiang, Shaohua</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-6147-3248</orcidid></search><sort><creationdate>20190730</creationdate><title>Anisotropic nanocellulose aerogels with ordered structures fabricated by directional freeze-drying for fast liquid transport</title><author>Chen, Yiming ; Zhou, Lijie ; Chen, Lian ; Duan, Gaigai ; Mei, Changtong ; Huang, Chaobo ; Han, Jingquan ; Jiang, Shaohua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-2aae9424cb6def2d0f0693cd38d112a5991382dd1f2553123a0fc0c3317553ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adsorbed water</topic><topic>Aerogels</topic><topic>Anisotropy</topic><topic>Bioorganic Chemistry</topic><topic>Cellulose</topic><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Ethanol</topic><topic>Freeze drying</topic><topic>Freezing</topic><topic>Glass</topic><topic>Multifunctional materials</topic><topic>Nanofibers</topic><topic>Natural Materials</topic><topic>Organic Chemistry</topic><topic>Original Research</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Porosity</topic><topic>Reagents</topic><topic>Sustainable Development</topic><topic>Temperature effects</topic><topic>Transport</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Yiming</creatorcontrib><creatorcontrib>Zhou, Lijie</creatorcontrib><creatorcontrib>Chen, Lian</creatorcontrib><creatorcontrib>Duan, Gaigai</creatorcontrib><creatorcontrib>Mei, Changtong</creatorcontrib><creatorcontrib>Huang, Chaobo</creatorcontrib><creatorcontrib>Han, Jingquan</creatorcontrib><creatorcontrib>Jiang, Shaohua</creatorcontrib><collection>CrossRef</collection><jtitle>Cellulose (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Yiming</au><au>Zhou, Lijie</au><au>Chen, Lian</au><au>Duan, Gaigai</au><au>Mei, Changtong</au><au>Huang, Chaobo</au><au>Han, Jingquan</au><au>Jiang, Shaohua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anisotropic nanocellulose aerogels with ordered structures fabricated by directional freeze-drying for fast liquid transport</atitle><jtitle>Cellulose (London)</jtitle><stitle>Cellulose</stitle><date>2019-07-30</date><risdate>2019</risdate><volume>26</volume><issue>11</issue><spage>6653</spage><epage>6667</epage><pages>6653-6667</pages><issn>0969-0239</issn><eissn>1572-882X</eissn><abstract>Directional freeze-drying is considered to regulate the structure of nanocellulose aerogels with special performances. In this work, TEMPO-oxidized cellulose nanofiber aerogels with high porosity (> 99.5%) and low density (~ 7 mg/cm
3
) were produced by different freeze-drying methods. The effects of temperature, freezing reagents and freezing methods on the structure and properties of aerogels were investigated. Among them, an anisotropic cellulose aerogel was obtained using a simple and flexible directional freezing in ethanol of − 30 °C by a self-made directional freezer. Our results demonstrated that it could present honeycomb-like pores in the transverse direction and regular directional tunnels in the longitudinal direction, and some attractive features, such as high water adsorption (120 g/g) and stability in water. Compared with other aerogels, this anisotropic structure also provided the aerogel with excellent compressive property (15.2 kPa) and faster liquid transport (4.95 mm/s) in the longitudinal direction than in other directions. The distinctive aerogels based on nanocellulose by directional freeze-drying are also expected to be combined with multifunctional materials to achieve directional applications to meet the requirements of different fields.
Graphic abstract</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10570-019-02557-z</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0001-6147-3248</orcidid></addata></record> |
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| subjects | Adsorbed water Aerogels Anisotropy Bioorganic Chemistry Cellulose Ceramics Chemistry Chemistry and Materials Science Composites Ethanol Freeze drying Freezing Glass Multifunctional materials Nanofibers Natural Materials Organic Chemistry Original Research Physical Chemistry Polymer Sciences Porosity Reagents Sustainable Development Temperature effects Transport |
| title | Anisotropic nanocellulose aerogels with ordered structures fabricated by directional freeze-drying for fast liquid transport |
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