Cellobiose as a model compound for cellulose to study the interactions in cellulose/lithium chloride/N-methyl-2pyrrolidone systems
文献类型：期刊论文
| 作者 | Lu, Fei1,3; Zhang, Chao2; Lu, Bitao1,3; Yu, Kun1,3; Liu, Jiawei1,3; Kang, Hongliang2; Liu, Ruigang2; Lan, Guangqian1,3 |
| 刊名 | CELLULOSE
 |
| 出版日期 | 2017-04-01 |
| 卷号 | 24期号:4页码:1621-1629 |
| 关键词 | Cellulose Cellobiose Licl/nmp Dissolution Interaction |
| 英文摘要 | To investigate the solvent/solute interactions that take place during the dissolution of cellulose, cellobiose was employed as a model of the longer-chain cellulose molecule in a dissolution study of the cellobiose/LiCl/N-methyl-2-pyrrolidone (NMP) system, conducted using attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), C-13, Cl-35, and Li-7 NMR spectroscopy, and conductivity measurements. For the LiCl/NMP system, FTIR and C-13 NMR analyses of the NMP carbonyl moiety showed a strong dependence on the LiCl concentration, which suggested an association between the Li+ cations and the carbonyl groups of NMP. As the cellobiose molecules are dissolved in the LiCl/NMP solvent, the Li+-Cl- ion-pairs in LiCl/NMP are dissociated. Strong hydrogen bonds are then formed between the hydroxyl groups of cellobiose and the Cl- anions, resulting in breakage of the intermolecular hydrogen bonds of cellobiose. Meanwhile, the Li+ cations are further associated with the extra free NMP molecules. However, the NMP molecules do not directly interact with the dissolved cellobiose. Based on these results, we propose that our study is conducive to a more in-depth comprehension of the dissolution mechanism of cellulose in LiCl/NMP. |
| 语种 | 英语 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/38080]  |
| 专题 | 化学研究所_高分子物理与化学实验室 |
| 作者单位 | 1.Southwest Univ, Coll Text & Garment, Chongqing 400715, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China 3.Chongqing Engn Res Ctr Biomat Fiber & Modern Text, Chongqing 400715, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lu, Fei,Zhang, Chao,Lu, Bitao,et al. Cellobiose as a model compound for cellulose to study the interactions in cellulose/lithium chloride/N-methyl-2pyrrolidone systems[J]. CELLULOSE,2017,24(4):1621-1629. |
| APA | Lu, Fei.,Zhang, Chao.,Lu, Bitao.,Yu, Kun.,Liu, Jiawei.,...&Lan, Guangqian.(2017).Cellobiose as a model compound for cellulose to study the interactions in cellulose/lithium chloride/N-methyl-2pyrrolidone systems.CELLULOSE,24(4),1621-1629. |
| MLA | Lu, Fei,et al."Cellobiose as a model compound for cellulose to study the interactions in cellulose/lithium chloride/N-methyl-2pyrrolidone systems".CELLULOSE 24.4(2017):1621-1629. |
入库方式： OAI收割
来源：化学研究所
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