半纤维素基磁性水凝胶的制备及其对染料吸附性能的研究
Preparation of hemicellulose-based magnetic hydrogel and its adsorption properties for dye
查看参考文献19篇
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文摘
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以玉米芯为原料提取半纤维素,通过自由基聚合和原位共沉淀法制备半纤维素基磁性水凝胶。采用离子色谱仪、扫描电镜、万能拉力机等手段进行表征,考察磁性水凝胶的性能,并对亚甲基蓝进行吸附性能研究。结果表明:所制备的半纤维素基磁性水凝胶具有超顺磁性,最大饱和磁化强度为21.83A·m~2/kg,最大压缩强度为0.119MPa,对亚甲基蓝染料具有较好的吸附性,去除率达97%。所制备的半纤维素基磁性水凝胶溶胀性能好、具有超顺磁性、亚甲基蓝去除效果好,具有较好的应用前景。 |
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其他语种文摘
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The hemicellulose-based magnetic hydrogel was prepared by free radical polymerization and in situ co-precipitation from corn cob.The properties of the magnetic hydrogel were characterized by means of ICS,scanning electron microscopy(SEM)and universal tensile testing machine.Moreover the adsorption properties on methylene blue were studied.The results show that the hemicellulosebased magnetic hydrogel has super-paramagnetism,with a maximum saturation magnetization intensity of 21.83A·m~2/kg and a maximum compression strength of 0.119MPa.The adsorption properties on methylene blue are good as well and the removal rate reaches 97%.The prepared hemicellulose-based magnetic hydrogel has good swelling properties,super-paramagnetism and removal efficiency of methylene blue.Furthermore it has better application prospects. |
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来源
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材料工程
,2020,48(11):85-91 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2019.000076
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关键词
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半纤维素
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磁性
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水凝胶
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染料
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吸附
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地址
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1.
大连工业大学轻工与化学工程学院, 辽宁, 大连, 116034
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华南理工大学, 制浆造纸工程国家重点实验室, 广州, 510640
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4381 |
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学科
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轻工业、手工业、生活服务业 |
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基金
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华南理工大学国家重点实验室项目
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齐鲁工业大学重点实验室项目
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天津科技大学重点实验室项目
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文献收藏号
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CSCD:6863735
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