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腐植酸保水剂的制备及性能测试
引用本文:杨恩威,高丽娟,李海茹,李雪,孟凡童,李秋菊.腐植酸保水剂的制备及性能测试[J].安徽农业科学,2013(14):6117-6118.
作者姓名:杨恩威  高丽娟  李海茹  李雪  孟凡童  李秋菊
作者单位:辽宁科技大学化工学院,辽宁鞍山,114051;辽宁科技大学化工学院,辽宁鞍山,114051;辽宁科技大学化工学院,辽宁鞍山,114051;辽宁科技大学化工学院,辽宁鞍山,114051;辽宁科技大学化工学院,辽宁鞍山,114051;辽宁科技大学化工学院,辽宁鞍山,114051
基金项目:辽宁科技大学创新创业资助项目
摘    要:目的]为了提供农林用的优质保水保肥材料。方法]以丙烯酸-丙烯酰胺和腐植酸为原料,采用水溶液聚合法合成聚(丙烯酸-丙烯酰胺-腐植酸)型多功能复合保水剂,利用红外光谱和吸水倍率对所制备的保水剂进行表征。结果]制备的腐植酸保水剂具有良好的耐温耐盐性,对蒸馏水的吸收倍率为1 180 g/g,达50%饱和吸水量的时间是6.5 min,达90%饱和吸水量的时间是22.0 min,对0.9%盐水吸收倍率为110 g/g;红外光谱分析表明,腐植酸参与聚合反应,与高吸水树脂接枝到一起,所制备的腐植酸型保水剂是化学键合型腐植酸保水剂。结论]该工艺制备的保水保肥剂能够很好地适用于农林。

关 键 词:腐植酸  保水剂  接枝  吸水倍率

Synthesis and Characterization of Humic Acid Superabsorbent
Institution:YANG En-wei et ai (School of Chemical Engineering,Liaoning University of Science and Technology, Anshan ,Liaoning 114051 )
Abstract: Objective ] The research aimed to provide high quality fertilizer and water superabsorbent polymer for agriculture and forestry. Method] Humic acid superabsorbent polymer ( P(AA/AM-HA) ) and superabsorbent polymer ( P(AA/AM) ) were synthesized by aqueous solu- tion polymerization method using acrylic acid (AA), acrylamide (AM) and humic acid (HA) as raw material. P(AA/AM-HA) and P( AA/ AM) were characterized by Fourier translation infrared spectroscopy. Result] P(AA/AM-HA) synthesized had a good saline tolerance. Its water absorbency in distilled water and 0.9% saline solution was 1 180 and 110 g/g, respectively. P(AA/AM-HA) achieved half saturation in 6.5 min and 90% saturation in 22 rain. Graft rization between P(AA/AM) and HA was demonstrated by infrared spectrum. Conclusion] The superab- sorbent volvmer synthesized by this method could be used in azxicuhure arid forestry.
Keywords:Humic acid  Water retention agent  Grafting  Water absorbency
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