Rheology Properties of Microcrystalline Cellulose/ 1-Butyl3-Methylimidazolium Chloride Solutions

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Rheology Properties of Microcrystalline Cellulose/ 1-Butyl3-Methylimidazolium Chloride Solutions

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- Rheology Properties of Microcrystalline Cellulose/ 1-Butyl3-Methylimidazolium Chloride Solutions
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 49, Issue 2, Pages: 60-64(2010)
- 作者机构：
  
  中山大学新型聚合物材料设计合成与应用广东省高校重点实验室//聚合物复合材料与功能材料教育部重点实验室//化学与化学工程学院,广东,广州,510275
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010，
  
  Published Online：25 March 2010，
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Rheology Properties of Microcrystalline Cellulose/ 1-Butyl3-Methylimidazolium Chloride Solutions. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(2):60-64(2010)
DOI：

Rheology Properties of Microcrystalline Cellulose/ 1-Butyl3-Methylimidazolium Chloride Solutions. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(2):60-64(2010) DOI：

摘要

离子液体1-丁基-3-甲基咪唑氯（BmimCl）可用作溶解微晶纤维素（MCC）的优良溶剂。通过稳态剪切和动态扫描测试考察了微晶纤维素离子液体溶液的流变性能。结果表明，所有浓度的MCC/BmimCl溶液在高剪切速率和低剪切速率表现出剪切变稀行为。温度和浓度对MCC/BmimCl溶液的黏弹性质产生重要影响。将复合黏度数据用于Cross模型，并利用Arrhenius公式计算了不同浓度MCC/BmimCl溶液的流动活化能。

Abstract

The ionic liquid of 1butyl3methylimidazolium chloride (BmimCl) was used as a good solvent to dissolve cellulose. The rheological properties of the cellulose ionic liquid (MCC/BmimCl) solutions were investigated by steady shear and oscillatory shear measurements. The results indicated that all the MCC/BmimCl solutions showed a shear thinning behavior at both high shear rates and low shear rates. The concentration of MCC/BmimCl solution and temperature had an important influence on the viscoelastic properties of MCC/BmimCl solution. Cross viscosity model was used to fit experimental data of complex viscosity

and the activation energies for shear flow were determined using Arrhenius formula.

关键词

微晶纤维素离子液体1-丁基-3-甲基咪唑氯稳态剪切活化能

Keywords

microcrystalline celluloseionic liquids1butyl3methylimidazolium chlorideshear rheologyactivation energy

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Related Institution

School of Chemistry and Chemical Engineering,Sun Yatsen University

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