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首页> 外文期刊>Journal of Polymers and the Environment >Environmentally Responsive Poly(N-isopropylacrylamide)-co- poly(acrylic acid) Hydrogels for Separation of Toxic Metals and Organic Explosive Compounds from Water
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Environmentally Responsive Poly(N-isopropylacrylamide)-co- poly(acrylic acid) Hydrogels for Separation of Toxic Metals and Organic Explosive Compounds from Water

机译：环保聚（N-异丙基丙烯酰胺）-CO-聚（丙烯酸）水凝胶，用于分离水中有毒金属和有机爆炸性化合物

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摘要

Temperature and pH-sensitive hydrogels were prepared from N-isopropyl acrylamide and polyacrylic acid through co-polymerization using ammonium persulfate as the initiator, N,N,N',N'-tetramethylenediamine as the activator and N,N'-methylene bisacrylamide as crosslinker. The gels were characterized on the basis of FTIR and NMR spectral analysis, SEM micrograms and swelling studies. The effect of pH and temperature on swelling behavior of these gels was investigated. Preliminary batch absorption experiments were conducted to explore the feasibility of separating As(V), Cr(VI), the explosive components cyclotrimethylene-trinitramine (RDX), and cyclotetramethylene-tetranitramine (HMX), from aqueous medium using the hydrogels. The results of the study indicated that the hydrogels prepared are stable and the gels have potential environmental applications for separating pollutants from water.
机译：通过使用过硫酸铵作为引发剂，N，N，N'，N'-四甲基二胺作为活化剂和N，N'-亚甲基双亚丙烯酰胺，通过共聚合制备温度和pH敏感水凝胶。作为活化剂，N，N，N'，N'-四亚甲基二胺，如交叉链接。在FTIR和NMR光谱分析，SEM微克和溶胀研究的基础上表征了凝胶。研究了pH和温度对这些凝胶的溶胀行为的影响。进行初步批量吸收实验以探讨使用水凝胶的水性介质分离为（V），Cr（VI），炸药组分环二亚甲基 - 三硝胺（RDX）和环四甲基 - 四硝胺（HMX）的可行性。该研究的结果表明，制备的水凝胶是稳定的，凝胶具有潜在的环境应用，用于将污染物与水分离。

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