Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/88156
DC Field | Value | Language |
---|---|---|
dc.contributor | Institute of Textiles and Clothing | - |
dc.creator | Wu, J | - |
dc.creator | Tao, YL | - |
dc.creator | Geng, A | - |
dc.creator | Xie, RR | - |
dc.creator | Zhu, DC | - |
dc.creator | Wang, QQ | - |
dc.creator | Sun, LS | - |
dc.creator | Sun, JZ | - |
dc.date.accessioned | 2020-09-18T02:13:16Z | - |
dc.date.available | 2020-09-18T02:13:16Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/88156 | - |
dc.language.iso | en | en_US |
dc.publisher | North Carolina State University, College of Natural Resources, Department of Wood and Paper Science | en_US |
dc.rights | Authors retain rights to their material, which, upon acceptance by the journal, is uploaded and made public on the Internet. The journal retains no copyright. Users have the right to read, download, copy, distribute, print, search, or link to the full texts of articles in the journal, and users can use, reuse, and build upon the material in the journal for non-commercial purposes as long as attribution is given when appropriate or necessary. | en_US |
dc.rights | The following publication Wu, J., Tao, Y. L., Geng, A., Xie, R. R., Zhu, D. C., Wang, Q. Q., . . . Sun, J. Z. (2020). Acetylation of bacterial cellulose using N-methylimidazole as a catalyst under solvent-free and N,N-dimethylacetamide/lithium chloride solvent systems. Bioresources, 15(2), 3688-3706 is available at https://dx.doi.org/10.15376/biores.15.2.3688-3706 | en_US |
dc.subject | Bacterial cellulose | en_US |
dc.subject | Acetylation | en_US |
dc.subject | N-methylimidazole | en_US |
dc.subject | Structure analysis | en_US |
dc.subject | Heterogeneous and homogeneous reactions | en_US |
dc.title | Acetylation of bacterial cellulose using N-methylimidazole as a catalyst under solvent-free and N,N-dimethylacetamide/lithium chloride solvent systems | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 3688 | - |
dc.identifier.epage | 3706 | - |
dc.identifier.volume | 15 | - |
dc.identifier.issue | 2 | - |
dc.identifier.doi | 10.15376/biores.15.2.3688-3706 | - |
dcterms.abstract | Bacterial cellulose acetate (BCA) at a low degree of substitution (DS) was prepared using acetic anhydride in the presence of N-methylimidazole (NMIM) as a catalyst. The acetylated reaction was studied in both solvent-free (heterogeneous) and N,N-dimethylacetamide/lithium chloride (DMAc/LiCI; homogeneous) systems, where the DS ranges of BCA obtained from heterogeneous (BCA-HE) and homogeneous (BCA-HO) systems were recorded as 0.31 to 0.95 and 0.4 to 1.5, respectively. The DS values could be effectively controlled by adjusting the reaction conditions. Compared to the heterogeneous reaction, the homogeneous reaction could be processed under a mild condition within a short time. The BCA-HE and BCA-HO displayed good water solubility at a DS value less than 0.95 and 1.09, respectively. The structural and the characteristic changes were confirmed by scanning electron microscopy, Fourier transform infrared, X-ray diffraction, C-13 cross-polarization magic angle spinning nuclear magnetic resonance, and thermogravimetric analyses. The present study may offer a convenient, mild, and green catalyzed processing to tailor low DS of cellulose acetate. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Bioresources, 2020, v. 15, no. 2, p. 3688-3706 | - |
dcterms.isPartOf | Bioresources | - |
dcterms.issued | 2020 | - |
dc.identifier.isi | WOS:000540457600114 | - |
dc.identifier.eissn | 1930-2126 | - |
dc.description.validate | 202009 bcrc | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_Scopus/WOS | en_US |
dc.description.pubStatus | Published | en_US |
dc.description.oaCategory | CC | en_US |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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Wu_Acetylation_Bacterial_Cellulose.pdf | 863.25 kB | Adobe PDF | View/Open |
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