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Position: Home > Articles > Studies on Synthesis and Characteristics of Starch Superabsorbent Resin in Agriculture Journal of Anhui Agricultural Sciences 2009,37 (20) 39-40+348

农用淀粉系高吸水树脂的合成及其性能研究

作  者:
曹宏梅;赖红伟;朱辛为;董树国
单  位:
吉林医药学院
关键词:
淀粉;丙烯酸;过硫酸铵;水溶液共聚合;高吸水树脂
摘  要:
[目的]研究农用淀粉系高吸水树脂的合成及其性能。[方法]以淀粉和丙烯酸为原料,以过硫酸铵为引发剂,采用水溶液共聚合方法研制淀粉系高吸水树脂。探讨淀粉、交联剂及引发剂用量,中和度等对淀粉系树脂吸水率的影响。[结果]结果表明,淀粉加入量为27.3%,交联剂用量为0.056%,引发剂用量为0.82%,中和度为0.5时,淀粉系树脂的吸水率最大。采用水溶液聚合方法制得的吸水树脂在室温下吸水率为890 g/g,且具有很好的凝胶强度。[结论]该研究结果为淀粉系高吸水树脂的合理应用提供科学依据。
译  名:
Studies on Synthesis and Characteristics of Starch Superabsorbent Resin in Agriculture
作  者:
CAO Hong-mei et al(Jilin Medical College,Jilin,Jilin 132013)
关键词:
Starch;Acrylic acid;Ammonium persulfate;Solution co-polymerization;Superabsorbent resin
摘  要:
[Objective]The research aimed to study the synthesis and characteristics of starch superabsorbent resin.[Method]A series of starch superabsorbent resin based on monomer starch,acrylic acid(AA) were prepared by solution co-polymerization using ammonium persulfate(APS) as an initiator.The effects of reaction parameters,including the starch amount,crosslinker agent and initiator,the neutralization degree of monomer on the absorbency of starch superabsorbent resin were investigated.[Result]The results indicated that the absorbency of starch superabsorbent resin was the highest when the amount of starch,crosslinker,initiator and neutralization degree were 27.3%,0.056%,0.82% and 0.5,respectively.The superabsorbent was capable of absorbing distilled water up to 890 times at ambient temperature.It also had excellent hydrogel modulus.[Conclusion]This study will provide the theoretical references for reasonable application of starch superabsorbent resin.

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