绿色耐盐性淀粉基高吸水性树脂的制备及抑尘效果研究
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摘要
以淀粉、丙烯酸和丙烯酰胺为主要原料,水溶液聚合法制备了绿色高吸水性树脂。考察了中和度、引发剂用量、交联剂用量、单体质量比及淀粉用量等实验条件对吸水率的影响。最佳条件下制备的树脂在蒸馏水和自来水中的吸水率分别为815.4和208.7g/g。对树脂的耐蒸发性与抑尘性进行了研究,结果表明树脂对黄土有较好的抑尘效果,可作为抑尘剂使用。采用红外光谱法对树脂结构进行了分析。
With starch,acrylic acid and acrylamide as main raw materials,green super absorbent resin was synthesized by aqueous solution polymerization.The effects of neutral degree,initiator dosage,crosslinker dosage,AM/AA mass ratio and amount of starch on water absorption of resin were investigated.Under the optimal conditions,the water absorbency of resin was 815.4 g/g in distilled water and 208.7 g/g in tap water,respectively.The evaporationresistance capacity and dust suppression effect of resin were studied.The results showed that the resin possessed better dust suppression effect for loess and can be used as dust suppressant.The resin structure was also analyzed by FT-IR.
With starch,acrylic acid and acrylamide as main raw materials,green super absorbent resin was synthesized by aqueous solution polymerization.The effects of neutral degree,initiator dosage,crosslinker dosage,AM/AA mass ratio and amount of starch on water absorption of resin were investigated.Under the optimal conditions,the water absorbency of resin was 815.4 g/g in distilled water and 208.7 g/g in tap water,respectively.The evaporationresistance capacity and dust suppression effect of resin were studied.The results showed that the resin possessed better dust suppression effect for loess and can be used as dust suppressant.The resin structure was also analyzed by FT-IR.
引文
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[2]郭涛,马永亮,贺克斌.区域大气环境中PM2.5/PM10空间分布研究[J].环境工程学报,2009,3(1):147-150.
[3]蒋耀东,张雪,张雷,等.抑尘剂的研究应用现状及发展趋势[J].化工管理,2017(10):145-148.
[4]王益民,孟丽聪,郑燕飞,等.抑尘剂的应用与研究进展[J].山东化工,2016,45(12):40-42.
[5]高学伟.微波辅助聚丙烯酸类高吸水性树脂的合成及应用研究[D].秦皇岛:燕山大学,2010.
[6]吴超.化学抑尘剂的基础研究及在矿山中的应用[J].矿业快报,2001,366(12):5-7.
[7]王磊,刘泽常,李敏,等.化学抑尘剂进展研究[J].有色矿冶,2006,22(S1):119-120.
[8]王静.高倍吸水树脂抑尘剂在公路施工的应用分析[J].科技创新导报,2008(25):114-116.
[9]王海宁,邱贵钟.露天矿汽车运输路面抑尘剂研究[J].南方冶金学院学报,2003,24(5):99-102.
[10]白向兵,刘建,闫英桃,等.城市扬尘污染和抑尘剂研究现状及展望[J].陕西理工学院学报,2005,21(4):43-46.
[11]张小红,崔英德,潘湛昌.聚丙烯酸/海藻酸钠高吸水性树脂的制备及生物降解性能[J].化工学报,2005,56(5)1134-1137.
[12]林健,牟国栋,杨雪.淀粉-高岭土-聚丙烯酸-丙烯酰胺高吸水树脂的制备和性能[J].科技导报,2010,28(14):90-94.
[13]邵水源,涂亮亮,邓光荣,等.复合型耐盐高吸水性树脂的制备[J].化工新型材料,2009,37(5):22-24.