| 玉米淀粉多元醇液化工艺研究 |
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| 引用本文： | 黄元波,郑云武,郑志锋,周琼,冯昊.玉米淀粉多元醇液化工艺研究[J].西南林学院学报,2011,31(1):72-74,83. |
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| 作者姓名： | 黄元波 郑云武 郑志锋 周琼 冯昊 |
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| 作者单位： | 西南林业大学西南山地森林资源保育与利用省部共建教育部重点实验室,木质科学与装饰工程学院,云南,昆明,650224 |
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| 基金项目： | 国家自然科学基金项目，教育部科学技术研究重点项目，云南省自然科学基金项目，云南省教育厅科学研究重点基金项目，云南省高校生物质材料工程研究中心资助 |
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| 摘 要： | 通过单因素实验法，研究了液化剂配比、液化时间、液化温度、催化剂用量、玉米淀粉与液化剂配比对玉米淀粉液化效果和液化产物羟值的影响。结果表明，硫酸是玉米淀粉多元醇液化的有效催化剂；玉米淀粉最佳液化工艺为：玉米淀粉与液化剂质量比为1：6，硫酸用量为液化剂质量的3％，液化剂中PEG400和甘油质量比为7：3，液化时间25min，液化温度150℃，此条件下液化残渣率为2．0％，所制备的玉米淀粉液化产物羟值为447．0mgKOH／g。
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| 关 键 词： | 玉米淀粉 多元醇 液化 羟值 |
Study on Liquefaction Technology of Cornstarch in Polyhydric Alcohols |
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| HUANG Yuan-bo,ZHENG Yun-wu,ZHENG Zhi-feng,ZHOU Qiong,FENG Hao.Study on Liquefaction Technology of Cornstarch in Polyhydric Alcohols[J].Journal of Southwest Forestry College,2011,31(1):72-74,83. |
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| Authors: | HUANG Yuan-bo ZHENG Yun-wu ZHENG Zhi-feng ZHOU Qiong FENG Hao |
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| Institution: | HUANG Yuan-bo,ZHENG Yun-wu,ZHENG Zhi-feng,ZHOU Qiong,FENG Hao (Jointly Sponsored Key Lab of Forest Resources Conservation and Utilization in the Southwest Mountainous Area of China,Ministry of Education and Yunnan Province,Faculty of Wood Science and Technology,Southwest Forestry University,Kunming Yunnan 650224,China) |
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| Abstract: | Effects of reaction parameters,including the solvent ratio,liquefaction duration,temperature,catalyst dosage,ratio of cornstarch and the solvent on the liquefaction of cornstarch in polyhydric alcohols and its liquefied products were studied by means of single-factor experiment method.The results showed that sulfuric acid was an effective catalyst to the liquefaction of cornstarch in polyhydric alcohols.The optimal liquefaction technology included: ratio of cornstarch to solvent(mixture of PEG 400 and glyce... |
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| Keywords: | cornstarch polyhydric alcohols liquefaction hydroxyl number |
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