| 桉木浆纳米纤维素响应面法优化制备及表征 |
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| 引用本文： | 王海英,孟围,毕晓欣,刘志明. 桉木浆纳米纤维素响应面法优化制备及表征[J]. 广东化工, 2012, 39(7): 12-14 |
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| 作者姓名： | 王海英 孟围 毕晓欣 刘志明 |
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| 作者单位： | 1. 东北林业大学林学院,黑龙江哈尔滨,150040
2. 东北林业大学材料科学与工程学院生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨,150040 |
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| 基金项目： | 闭家自然科学基金资助项目，哈尔滨市科技局留学回困人员项目，本科生创新性实验项目 |
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| 摘 要： | 采用响应面法优化桉木浆纳米纤维素(NCC)制备工艺条件并利用傅里叶变换红外(FTIR)、X射线衍射(XRD)、激光粒度分析法和透射电子显微镜(TEM)观察法对NCC进行性能表征。结果表明NCC最优制备工艺条件为硫酸浓度55%,反应温度52℃,水解时间4 h,NCC得率为65.80%,与响应面法预测值66.23%相接近;模型的决定系数为94.63%,说明模型拟合有效;制备的NCC为纤维素Ⅰ型,平均粒径365.7 nm,呈棒状。
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| 关 键 词： | 桉木浆 纳米纤维素晶体 响应面法 形貌 |
Response Surface Methodology Optimizing Preparation and Characterization of Eucalyptus Pulp Nanocrystalline Cellulose |
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| Wang Haiying,Meng Wei,Bi Xiaoxin,Liu Zhiming. Response Surface Methodology Optimizing Preparation and Characterization of Eucalyptus Pulp Nanocrystalline Cellulose[J]. Guangdong Chemical Industry, 2012, 39(7): 12-14 |
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| Authors: | Wang Haiying Meng Wei Bi Xiaoxin Liu Zhiming |
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| Affiliation: | 1. College of Forestry, Northeast Forestry University, Harbin 150040： 2. Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China) |
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| Abstract: | The preparation technological conditions of eucalyptus pulp nanocrystalline cellulose （NCC） were optimized by response surface methodology and characterized with fourier transform infrared （FTIR）, X-ray diffraction （XRD）, laser particle size analysis method and transmission electron microscopy （TEM） observation. The results show that optimization of NCC preparation technological conditions was 55 % sulfuric acid concentration, 52 ℃ of reaction temperature and 4 h of hydrolysis time. Under optimization, NCC yield was 65.80 %, which was closed to 66.23 % of response surface methodology predicted values. Determination coefficient of model is 94.63 %, it indicates that model fitting is effective. Prepared NCC is cellulose type I, average particle size of 365.7 nm and rod-like. |
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| Keywords: | eucalyptus pulp nanocrystalline cellulose response surface methodology morphology |
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