The effect of hydrogen bond acceptor properties of ionic liquids on their cellulose solubility
It is nowadays well-known that ionic liquids can dissolve cellulose. However, little systematic data has been published that shed light onto the influence of the ionic liquid structure on the dissolution of cellulose. We have conducted 1H NMR spec- troscopy of ethanol in a large number of ionic liqu...
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| Veröffentlicht in: | Science China. Chemistry 2012-08, Vol.55 (8), p.1663-1670 |
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| creator | Stark, Annegret Sellin, Martin Ondruschka, Bernd Massonne, Klemens |
| description | It is nowadays well-known that ionic liquids can dissolve cellulose. However, little systematic data has been published that shed light onto the influence of the ionic liquid structure on the dissolution of cellulose. We have conducted 1H NMR spec- troscopy of ethanol in a large number of ionic liquids, and found an excellent correlation of the data obtained with the hydro- gen acceptor properties （B-values）. With this tool in hand, it is possible to distinguish between cellulose-dissolving and non-dissolving ionic liquids. A modulating effect of both, the anion of the non-dissolving ionic liquid and its cation was found in solubility studies with binary ionic liquid mixtures. The study was extended to other non-dissolving liquids, namely water and dimethylsulfoxide, and the effect of the cation was also investigated. |
| doi_str_mv | 10.1007/s11426-012-4685-8 |
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However, little systematic data has been published that shed light onto the influence of the ionic liquid structure on the dissolution of cellulose. We have conducted 1H NMR spec- troscopy of ethanol in a large number of ionic liquids, and found an excellent correlation of the data obtained with the hydro- gen acceptor properties （B-values）. With this tool in hand, it is possible to distinguish between cellulose-dissolving and non-dissolving ionic liquids. A modulating effect of both, the anion of the non-dissolving ionic liquid and its cation was found in solubility studies with binary ionic liquid mixtures. 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Chemistry</title><addtitle>Sci. China Chem</addtitle><addtitle>SCIENCE CHINA Chemistry</addtitle><description>It is nowadays well-known that ionic liquids can dissolve cellulose. However, little systematic data has been published that shed light onto the influence of the ionic liquid structure on the dissolution of cellulose. We have conducted 1H NMR spec- troscopy of ethanol in a large number of ionic liquids, and found an excellent correlation of the data obtained with the hydro- gen acceptor properties （B-values）. With this tool in hand, it is possible to distinguish between cellulose-dissolving and non-dissolving ionic liquids. A modulating effect of both, the anion of the non-dissolving ionic liquid and its cation was found in solubility studies with binary ionic liquid mixtures. The study was extended to other non-dissolving liquids, namely water and dimethylsulfoxide, and the effect of the cation was also investigated.</description><subject>Cations</subject><subject>Cellulose</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Dissolution</subject><subject>Ethanol</subject><subject>Hand tools</subject><subject>Hydrogen bonds</subject><subject>Ionic liquids</subject><subject>NMR spectroscopy</subject><subject>NMR光谱</subject><subject>Solubility</subject><subject>受体</subject><subject>性质</subject><subject>氢键</subject><subject>液体结构</subject><subject>溶解度</subject><subject>离子液体</subject><subject>纤维素</subject><issn>1674-7291</issn><issn>1869-1870</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UMtOwzAQjBBIVKUfwM2Is8GP-JEjqnhJlbiUK1bibBpXIU7t5NC_x1UquLGXXa1mdnYmy24peaCEqMdIac4kJpThXGqB9UW2oFoWmGpFLtMsVY4VK-h1topxT1JxTpgSi-xr2wKCpgE7It-g9lgHv4MeVb6vUWktDKMPaAh-gDA6iCeQ872zqHOHydVp0aOxBReQha6bOh8BRd9NlevceLzJrpqyi7A692X2-fK8Xb_hzcfr-_ppgy3P2Yg5aQpRMwqgrKpVndyQglSV5ExpYKIppKyJZVIUlaBCCUuoJhVnkjGrS8KX2f18N316mCCOZu-n0CdJk2xroaUQNKHojLLBxxigMUNw32U4GkrMKUkzJ2lSkuaUpNGJw2ZOTNh-B-Hv8n-ku7NQ6_vdIfF-lXKmKRdC8R9i6YCl</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Stark, Annegret</creator><creator>Sellin, Martin</creator><creator>Ondruschka, Bernd</creator><creator>Massonne, Klemens</creator><general>SP Science China Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>M2P</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20120801</creationdate><title>The effect of hydrogen bond acceptor properties of ionic liquids on their cellulose solubility</title><author>Stark, Annegret ; 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We have conducted 1H NMR spec- troscopy of ethanol in a large number of ionic liquids, and found an excellent correlation of the data obtained with the hydro- gen acceptor properties （B-values）. With this tool in hand, it is possible to distinguish between cellulose-dissolving and non-dissolving ionic liquids. A modulating effect of both, the anion of the non-dissolving ionic liquid and its cation was found in solubility studies with binary ionic liquid mixtures. The study was extended to other non-dissolving liquids, namely water and dimethylsulfoxide, and the effect of the cation was also investigated.</abstract><cop>Heidelberg</cop><pub>SP Science China Press</pub><doi>10.1007/s11426-012-4685-8</doi><tpages>8</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection; ProQuest Central |
| subjects | Cations Cellulose Chemistry Chemistry and Materials Science Chemistry/Food Science Dissolution Ethanol Hand tools Hydrogen bonds Ionic liquids NMR spectroscopy NMR光谱 Solubility 受体 性质 氢键 液体结构 溶解度 离子液体 纤维素 |
| title | The effect of hydrogen bond acceptor properties of ionic liquids on their cellulose solubility |
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