Resin. III. Synthesis, characterization, and ion-exchange properties of a 2,2-dihydroxybiphenyl-formaldehyde copolymer resin

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作者：
Jadhao, Manjusha M. [1 ]
Paliwal, L.J. [2 ]
Bhave, N.S. [1 ]
机构：
[1] Department of Chemistry, Nagpur University Campus, Nagpur 440 010, India
[2] Department of Chemistry, Hislop College, Nagpur 440 001, India
来源：
Journal of Applied Polymer Science | 2008年 / 109卷 / 01期
关键词：
A 2,2-dihydroxybiphenyl-formaldehyde co-polymer, synthesized by the condensation of 2,2-dihydroxy-biphenyl with CH2O in the presence of an acid catalyst, proved to be a selective chelating ion-exchange copolymer for certain metals. The chelating ion-exchange properties of this copolymer were studied for Fe(III), Cu(II), Ni(II), Zn(II), Cd(II), and Pb(II) ions. A batch equilibrium method was employed in the study of the selectivity of metal ion uptake, involving the measurements of the distribution of a given metal ion between the copolymer sample and the solution containing the metal ion. The study was carried out over a wide pH range and in media of various ionic strengths. The copolymer showed a higher selectivity for Fe(III), Cu(II), and Ni(II) ions than for Co(II), Zn(II), Cd(II), and Fb(II) ions. © 2008 Wiley Periodicals, Inc;
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页码：508 / 514
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