应用化学2012，Vol.29Issue(4)：376-382,7.DOI:10.3724/SP.J.1095.2012.00224
辉光放电电解等离子体引发合成聚丙烯酸钠/腐植酸复合高吸水性树脂
Synthesis of Composite Superabsorbent of Poly( acrylic acid sodium)/Humic Acid by Using Glowdischarge Electrolysis Plasma
摘要
Abstract
Poly ( acrylic acid sodium) /humic acid superabsorbent composite was prepared in aqueous solution by using glow-discharge electrolysis plasma. Acrylic acid and humic acid were used as raw materials and N,Nmethylenebisacrylamide as crosslinking agent. The effects of absorbency were examined in detail, such as the discharge voltage, crosslinking agent, neutralization degree of acrylic acid, polymerization temperature, amounts of sodium humate and acrylic acid. The swelling rate in 0. 9% sodium chloride solution and the swelling behavior in various pH value solutions were also investigated. The structure and thermal stability of the resulting products were also characterized by Fourier transform infrared spectroscopy and thermogravimetric analysis. The results show that the discharge voltage, amount of crosslinking agent, sodium humate, acrylic acid, neutralization degree of acrylic acid, reaction temperature were 470 V, 0. 6% , 4% , 10%, 60% and 70 ℃ , respectively, under the optimal conditions. The superabsorbent has higher water absorbency, I. E. 1152 g/g for distilled water and 89 g/g for 0. 9% sodium chloride solution. The retention rate of the composite is about 44. 3% after heating to 800 ℃.关键词
辉光放电电解等离子体/腐植酸/丙烯酸/复合吸水树脂Key words
glow discharge electrolysis plasma/humic acid/acrylic acid/superabsorbent resin分类
化学化工引用本文复制引用
任杰,陶丽红,高锦章,李岩,刘宏伟,李亚萍..辉光放电电解等离子体引发合成聚丙烯酸钠/腐植酸复合高吸水性树脂[J].应用化学,2012,29(4):376-382,7.基金项目
国家自然科学基金(20873101)、甘肃省自然科学基金(1010RJZA015,096RJ2A120)资助项目 （20873101）
