Dissolution and regeneration of sugarcane bagasse cellulose in ionic liquid

WANG Ben; CAO Yan; HUANG Kelin; LI Huiquan; LIAO Dankui; WANG Jinshu

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Dissolution and regeneration of sugarcane bagasse cellulose in ionic liquid

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- Dissolution and regeneration of sugarcane bagasse cellulose in ionic liquid
- CIESC Journal Issue 6, Pages: 1592-1598(2010)
- 作者机构：
  
  1. 广西大学化学化工学院
  2. 中国科学院过程工程研究所
  3. 
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 June 2010，
  
  Published：05 June 2010
- 稿件说明：
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WANG Ben, CAO Yan, HUANG Kelin, et al. Dissolution and regeneration of sugarcane bagasse cellulose in ionic liquid[J]. CIESC Journal, 2010, (6): 1592-1598.
DOI：

WANG Ben, CAO Yan, HUANG Kelin, et al. Dissolution and regeneration of sugarcane bagasse cellulose in ionic liquid[J]. CIESC Journal, 2010, (6): 1592-1598. DOI：

摘要

以蔗渣纤维素为原料

在1-烯丙基-3-甲基咪唑氯盐（［Amim］Cl）离子液体中，制备出蔗渣纤维素再生膜。通过偏光显微镜观察了蔗渣纤维素的溶解过程，采用红外光谱、扫描电镜、X射线衍射、热重及力学性能等分析测试手段，对蔗渣纤维素及再生膜进行表征，结果表明：未经活化的蔗渣纤维素可快速、直接溶解在离子液体中，再生前后蔗渣纤维素发生了从纤维素Ⅰ到纤维素Ⅱ的晶型转变，蔗渣纤维素再生膜具有致密的结构，热力学稳定性达到292℃，拉伸强度高达144 MPa。

Abstract

Regenerated cellulose film is prepared successfully from sugarcane bagasse cellulose in ionic liquid 1-allyl-3-methylimidazolium chloride (［Amim］Cl).Its dissolution process was viewed by polarizing microscope.Properties and structures of the regenerated cellulose films obtained were characterized by infrared spectroscopes

scanning electron microscopy

X-ray diffraction

thermogravimetry (TGA) and strength test.The results showed that ［Amim］Cl is a good non-derivatizing solvent for sugarcane bagasse cellulose whose crystalline form transformed completely from cellulose Ⅰ to cellulose Ⅱ after regenerated directly from ［Amim］Cl solution.The cellulose film obtained by regeneration showed a dense structure and its thermal stability and tensile strength could be up to 292℃ and 144 MPa respectively.

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