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环境化学  2015 

瓜环与苯甲酸和萘的组装及热力学规律

Keywords: 瓜环,组装体,模型物,紫外,荧光

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Abstract:

以苯甲酸和萘分别作为腐殖酸的模型物,通过摩尔比率法和等摩尔系列法,采用紫外吸收和荧光分光技术共同研究了瓜环与苯甲酸及萘的功能组装作用.研究表明Q[7]与萘可发生组装作用,形成11的组装体Ⅰ.Q[6]及Q[8]与苯甲酸也可以发生组装作用,分别形成11及12的组装体Ⅱ和Ⅲ.热力学计算表明,组装体可自发形成,形成过程放热,组装反应的驱动力是焓变,疏水作用力是反应的主要驱动力.红外光谱对组装体进行了表征,结果表明,瓜环与模型物发生了组装作用.荧光光谱表明,瓜环对模型物具有荧光增敏的作用.

References

[1]  Peng X J, Luan Z K, Zhang H M. Montmorillonite-Cu(Ⅱ)/Fe(Ⅲ) oxides magnetic material as adsorbent for removal of humic acid and its thermal regeneration [J]. Chemosphere, 2006, 63 (2): 300-306
[2]  Day A I, Arnold A P. Method for synthesis cucurbiturils[P]. WO:0068232,2000
[3]  Zhao Y J, Xue S F, Zhu Q J, et al. Synthesis of a symmetrical tetrasubstituted cucurbit[6] uril and its host-guest inclusion complex with 2,2'-bipyridine [J]. Chinese Science Bull, 2004, 49(11): 1111-1116
[4]  Buschmann H J,Schollmeye E. Decreasing the concentration of heavy metal in wastewater from textile finishing operations [J]. Textilveredelung, 1993,28:182-184
[5]  Karcher S, Kornmülle A, Jekel M. Cucurbituril for water treatment. Part I: Solubility of cucurbituril and sorption of reactive dyes [J]. Water Research, 2001, 35(14):3309-3316
[6]  毕强,胡英鹏,杨琴,等.水-盐酸两步法分离瓜环混合物 [J].有机化学,2007,27(7):880-884
[7]  Yan X M, Shi B Y, Lu J J, et al. Adsorption and desorption of atrazine on carbon nanotubes [J]. Journal of Colloid and Interface Science, 2008, 321(1):30-38
[8]  朱志平,黄可龙,周艺,等.碳纳米管吸附腐植酸的动力学、热力学及机理研究[J].无机材料学报,2011,26(2):170-174
[9]  Zhao L, Luo F J, Wasikiewicz Mitomo M H, et al.Adsorption of humic acid from aqueous solution onto irradiation-crosslinked carboxymethylchitosan [J].Bioresour Technology,2008,99(6):1911-1917
[10]  Anirudhan T S, Suchithra P S. Humic acid-immobilized polymer/bentonite composite as an adsorbent for the removal of copper(Ⅱ) ions from aqueous solutions and electroplating industry wastewater [J].Journal of Industrial and Engineering Chemistry, 2010, 16(1): 130-139
[11]  王立英,吴丰昌,张润宇,等.应用XRD系列树脂分离和富集天然水体中溶解有机质的研究进展[J].地球与环境,2006,34(1) :90-96
[12]  Day A I, Blanch R J, Arnold A P, et al. A cucurbituril-based gyroscahe: A new supramolecular form [J].Angew Chem Int Ed, 2002, 41(2):275-277
[13]  Katsumata H, Kaneco S, Matsuno R, et al. Removal of organic polyelectrolytes and their metal complexes by adsorption onto xonotlite [J].Chemosphere, 2003, 52(5):909-915
[14]  Walker H W, Bob M M. Stability of particle flocs upon addition of natural organic matter under quiescent conditions [J].Water Research, 2001, 35(4):875-882

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