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首页> 外文期刊>Journal of Applied Polymer Science >Macroporous Polyamines Containing Cyclodextrin:Synthesis,Characterization,and Sorption Properties
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Macroporous Polyamines Containing Cyclodextrin:Synthesis,Characterization,and Sorption Properties

机译：含环糊精的大孔多胺的合成，表征和吸附性能

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摘要

Macroporous beads containing N-vinyl-tertio-butyl carbamate (NVTBC) have been prepared by suspension copolymerization using divinylbenzene as crosslinking agent.After solvolysis,parent copolymers containing vinylamine (VA) were functionalized by #beta#-cyclodextrin(#beta#-CD) using the mono-tosyl derivative of #beta#-CD as the intermediate(#beta#-CDOTs).Several copolymers with various degrees of substitution were synthesized.Several factors(reaction time,amounts of the reactants,composition of solvent,and temperature)were studied.Characterization was achieved by crosspolarization magic angle spinning nuclear magnetic resonance spectroscopy (CPMAS NMR).The textural features (specific area and porous volume) of the beads were also determined.These insoluble macroporous copolymers containing #beta#-CD were then used for the recovery of various organic pollutants from aqueous solutions.Some preliminary studies (time,concentration,kinetics,and #beta#-CD content) are presented here.The results of sorption experiments show that they exhibit high sorption capacities toward substituted benzene derivatives.The mechanism of sorption is an acid-base interaction due to the amino groups of the polymer network and/or the formation of an inclusion complex due to the #beta#-CD molecules.
机译：以二乙烯基苯为交联剂，通过悬浮共聚制备了含N-乙烯基叔丁基氨基甲酸酯（NVTBC）的大孔微珠。溶剂分解后，通过＃β＃-环糊精（＃β＃-CD）官能化含乙烯基胺（VA）的母体共聚物），以＃beta＃-CD的单甲苯磺酰基衍生物为中间体（＃beta＃-CDOTs）。合成了几种具有不同取代度的共聚物。几个因素（反应时间，反应物量，溶剂组成和通过交叉极化魔角旋转核磁共振波谱（CPMAS NMR）表征，还测定了珠的结构特征（比表面积和孔体积）。这些不溶性大孔共聚物含有＃beta＃-CD然后用于从水溶液中回收各种有机污染物。此处介绍了一些初步研究（时间，浓度，动力学和＃beta＃-CD含量）。吸附实验表明，它们对取代的苯衍生物表现出高吸附能力。吸附机理是由于聚合物网络的氨基和/或由于＃beta＃形成包合物形成的酸碱相互作用。 -CD分子。

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