| 利用水生植物水花生制备高吸水性树脂 |
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| 引用本文： | 王淑梅,王伟民,武志林,张永春,张毅敏.利用水生植物水花生制备高吸水性树脂[J].环境科学与技术,2013(5):17-22,116. |
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| 作者姓名： | 王淑梅 王伟民 武志林 张永春 张毅敏 |
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| 作者单位： | 常州大学环境与安全工程学院;环境保护部南京环境科学研究所 |
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| 基金项目： | 国家“十一五”水体污染控制与治理科技重大专项:太滆运河与湖荡水污染控制技术及工程示范课题(2008ZX07101-007) |
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| 摘 要： | 以水生植物水花生(Alternanthera philoxeroides,空心莲子草)和丙烯酸为接枝共聚原料,通过自由基反应制备高吸水性树脂,对接枝聚合物进行FTIR、SEM的结构表征,同时对影响吸水树脂性能的因素进行优化。当水花生干粉用量10 g时,优化条件如下:活化温度为35℃,丙烯酸单体与水花生干粉质量比为6:1,丙烯酸中和度为56%,引发剂过硫酸钾的用量为单体质量的1%,交联剂N,N-亚甲基双丙烯酰胺用量为单体质量的0.075%,引发温度为65℃。在此优化条件下制备的吸水性树脂吸水性能最好,对去离子水吸水倍数达到442 g/g。
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| 关 键 词： | 水花生 丙烯酸 接枝聚合 高吸水性树脂 |
Preparation of Superabsorbent Using Aquatic Plant A.philoxeroides |
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| WANG Shu-mei,WANG Wei-min,WU Zhi-lin,ZHANG Yong-chun,ZHANG Yi-min.Preparation of Superabsorbent Using Aquatic Plant A.philoxeroides[J].Environmental Science and Technology,2013(5):17-22,116. |
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| Authors: | WANG Shu-mei WANG Wei-min WU Zhi-lin ZHANG Yong-chun ZHANG Yi-min |
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| Institution: | 1.School of Environment and Safety Engineering,Changzhou University,Changzhou 213164,China; 2.Nanjing Environmental Science Institute of Ministry of Environment Protection,Nanjing 210042,China) |
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| Abstract: | A kind of high adsorbent resin was obtained through aquatic plant Alternanthera philoxeroides powder with acrylic acid using free radical reaction.Its structure was characterized with FTIR and SEM.The reaction conditions for preparation of water absorbent resin were optimized.When 10 g of Alternanthera philoxeroides powder was used,the optimal conditions were activation temperature 35 ℃,mass ratio of monomer(acrylic acid) to Alternanthera philoxeroides powder 6:1.The neutralization degree was 56%.The mass ratios of initiator(K2S2O8) and cross-linking agent such as N,N-methylenediacrylamide to monomer were 1% and 0.075% respectively.Initial reaction temperature was 65 ℃.The maximum absorption capacity for deionized water was 442 g/g. |
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| Keywords: | Alternanthera philoxeroides acrylic acid graft copolymerization high absorbent resin |
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