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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of Graphite Oxide/Polyurethane Foam Material and Its Removal Application of Malachite Green from Aqueous Solution
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Preparation of Graphite Oxide/Polyurethane Foam Material and Its Removal Application of Malachite Green from Aqueous Solution

机译：氧化石墨/聚氨酯泡沫材料的制备及其在孔雀石绿中的去除应用

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摘要

Synthetic dyes are commonly used in textile, paper, leather, food, plastic and cosmetic industries. In this study, a series of novel graphite oxide/polyurethane (GO/PU) polymeric foam materials were prepared by foaming technique. The GO/PU was applied to remove malachite green (MG) from aqueous solution. When static adsorption experiment was carried out with a GO content of 3.0%, a GO/PU dosage of 40 mg/mL, a temperature of 50°C, and a time of 3 h, the highest adsorption efficiency can reach 99.7%. The kinetics, equilibrium and thermodynamics of MG adsorption onto GO/PU polymeric foam material were investigated. The results indicated that adsorption behavior was found to follow closely the pseudo-second order kinetics, equilibrium data were well fitted by Langmuir adsorption model and the adsorption process was spontaneous and endothermic. Prepared GO/PU foam material has potential application for the wastewater treatment containing MG dye. VC 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40988.
机译：合成染料通常用于纺织，造纸，皮革，食品，塑料和化妆品工业。在这项研究中，通过发泡技术制备了一系列新型的氧化石墨/聚氨酯（GO / PU）聚合物泡沫材料。施加GO / PU以从水溶液中去除孔雀石绿（MG）。当GO含量为3.0％，GO / PU用量为40 mg / mL，温度为50°C，时间为3 h时进行静态吸附实验时，最高吸附效率可以达到99.7％。研究了MG吸附在GO / PU聚合物泡沫材料上的动力学，平衡和热力学。结果表明，吸附行为与拟二级动力学密切相关，Langmuir吸附模型很好地拟合了平衡数据，吸附过程是自发的和吸热的。制备的GO / PU泡沫材料在含MG染料的废水处理中具有潜在的应用前景。 VC 2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2014，131，40988。

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