Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin

doi:10.3724/SP.J.1095.2010.90693

Chinese Journal of Applied Chemistry ›› 2010, Vol. 27 ›› Issue (09): 1042-1045.DOI: 10.3724/SP.J.1095.2010.90693

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Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin

QIU Cong-Jiao¹, LIU Mei-Ling¹, LI Hai-Tao^1,2*

(1.Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research(Ministry of
Education),College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410081;
2.Safety Professional and Technology College,Changsha 410081)

Received:2009-10-22 Revised:2010-02-23 Published:2010-09-10 Online:2010-09-10

Abstract

Abstract:

A hydrophilic resin with 4-aminopyridine was synthesized by the amination of macroporous glycidyl methacrylatedivinylbenzene copolymer（PGMA） beads with 4-aminopyridine. Its static adsorption performance and influence factors toward Hg(Ⅱ), Pb(Ⅱ), Cu(Ⅱ), Zn(Ⅱ) were investigated. At 25 ℃, the static adsorption capacities for Hg(Ⅱ), Pb(Ⅱ), Cu(Ⅱ), Zn(Ⅱ) are 2.145, 1.715, 1.023 and 0.654 mmol/g, respectively. The optimal pH value for the adsorption is in the range of 4.5～5.0. In addition, the adsorptive properties for the heavy metal ions could be improved with the increase of temperatures. The adsorption isotherms approximately fit the Langmuir and Freundlich equations within the range of experimental concentrations.

Key words: poly(glycidylmathacrylate), aminopyridine, metal ions

CLC Number:

QIU Cong-Jiao1, LIU Mei-Ling1, LI Hai-Tao1,2*. Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin[J]. Chinese Journal of Applied Chemistry, 2010, 27(09): 1042-1045.

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Synthesis and Adsorption Performance of Hydrophilic Aminopyridine Resin

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