离子液体对甘蔗渣的微波溶解工艺与性能研究

以甘蔗渣为原料，利用微波辅助加热方法，对其在离子液体中的溶解工艺和性能进行了研究。分析了微波功率、温度、甘蔗渣含量对溶解时间的影响，并确定最佳溶解工艺。采用红外、X射线衍射、热重分析等手段对溶解前后的甘蔗渣纤维素结构进行分析。结果表明：甘蔗渣纤维素在离子液体中的溶解属于直接溶解，纤维素经离子液体溶解和再生后，结晶度下降，晶型由纤维素I型转变为纤维素Ⅱ型，并且其热分解温度降低，热稳定性略有下降。...

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Bibliographic Details
Published in江西农业学报 Vol. 24; no. 9; pp. 133 - 135
Main Author 魏晓奕 李积华 陈家翠 苏俊波
Format Journal Article
LanguageChinese
Published 中国热带农业科学院 农产品加工研究所,广东湛江,524001%中国热带农业科学院 南亚热带作物研究所,广东湛江,524091 2012
Subjects
工艺
微波溶解
性能
甘蔗渣
离子液体
纤维素
性能
纤维素
微波溶解
甘蔗渣
离子液体
工艺
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Summary:以甘蔗渣为原料，利用微波辅助加热方法，对其在离子液体中的溶解工艺和性能进行了研究。分析了微波功率、温度、甘蔗渣含量对溶解时间的影响，并确定最佳溶解工艺。采用红外、X射线衍射、热重分析等手段对溶解前后的甘蔗渣纤维素结构进行分析。结果表明：甘蔗渣纤维素在离子液体中的溶解属于直接溶解，纤维素经离子液体溶解和再生后，结晶度下降，晶型由纤维素I型转变为纤维素Ⅱ型，并且其热分解温度降低，热稳定性略有下降。
Bibliography:WEI Xiao - yi , LI Ji - hua , CHEN Jia - cui , SU Jun - bo （ 1. Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524001, China; 2. South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China）
36-1124/S
Bagasse; Cellulose ; Ionic liquid ; Microwave dissolution; Technology; Performance
The dissolved technology of bagasse in ionic liquid by using microwave auxiliary heating method was studied, the performanee of bagasse cellulose was analyzed, the influence of microwave power, temperature and bagasse content on the dissolved time was investigated, and the optimal dissolved condition was obtained. Then the structure of bagasse cellulose before and after dissolution was analyzed by using infrared ray, X- ray diffraction and thermo -gravimetric analysis methods. It was shown that the ionic liquid was a direct solvent for bagasse cellulose. After dissolution and regeneration of bagasse cellulose in
ISSN:1001-8581
DOI:10.3969/j.issn.1001-8581.2012.09.037