| 不同预处理方法对稻秸纤维表面性质的影响 |
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| 引用本文： | 潘明珠,周定国.不同预处理方法对稻秸纤维表面性质的影响[J].纤维素科学与技术,2007,15(3):9-13. |
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| 作者姓名： | 潘明珠 周定国 |
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| 作者单位： | 南京林业大学,木材工业学院,江苏,南京,210037 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过对稻秸原料进行水热、酸碱和冷等离子体预处理,分析了纤维表面的浸润性及表面自由基浓度的变化。研究表明,经水热及酸碱预处理后,纤维与水的接触角为90o,稻秸纤维的浸润性改善不明显,经冷等离子改性后,稻秸纤维表面浸润性改善非常明显。水热及乙酸处理有利于提高稻秸纤维的表面自由基浓度,碱处理则降低了稻秸纤维的表面自由基浓度。
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| 关 键 词： | 稻秸 预处理 浸润性 表面自由基浓度 |
| 文章编号： | 1004-8405(2007)03-0009-05 |
| 修稿时间： | 2006年6月9日 |
Effects of Different Pretreatment on Surface Characteristics of Rice Straw Fiber |
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| PAN Ming-zhu,ZHOU Ding-guo.Effects of Different Pretreatment on Surface Characteristics of Rice Straw Fiber[J].Journal of Cellulose Science and Technology,2007,15(3):9-13. |
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| Authors: | PAN Ming-zhu ZHOU Ding-guo |
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| Abstract: | Surface characteristics of rice straw fiber, such as wettability and free radical, have great effect on the properties of interface between rice straw fiber and urea-formaldehyde. Effects of hot water, acetic acid, sodium sulfate and cold plasma pretreatment on characteristics of rice straw fiber were investigated in this research. Results showed that wettability of straw fiber, which was pretreated by hot water, acetic acid,and sodium sulfate respectively, wasn’t obviously improved, but that of cold plasma pretreatment did apparently. The content of free radical of rice straw fiber, which pretreated by hot water or acidic acid, was increased markedly, while that was decreased by the pretreatment of sodium sulfate. |
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| Keywords: | rice straw pretreatment wettability free radical |
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