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Synthesis of Sulfonated Poly(styrene-co-DVB) Hyper Branched Cationic Exchange Resin and Its Properties  

Baek, Ki-Wan (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University)
Yeom, Bong-Yeol (Nonwovens Cooperative Research Center, North Carolina State University)
Hwang, Taek-Sung (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.32, no.1, 2008 , pp. 43-48 More about this Journal
Abstract
In this study, the hyper branched poly (styrene-co-divinylbenzene) (PSD) was synthesized by bulk polymerization and the cationic exchanger with high ion exchange capacity was prepared by sulfonation. The structure of hyper branched PSD ion exchanger was investigated by FT-IR, $^1H-NMR$ spectroscopy, and GPC analysis. The molecular weight, viscosity of hyper branched PSD increased with DVB content, which have the maximum values of 9410g/mol and 338 cP, respectively. And the reaction rate also increased with cross-linker content. As DVB content increased, the solubility of PSD decreased having the maximum value of 22 g with 0.1 mol% DVB. The water content and ion exchange capacity of the hyper branched PSD ion exchanger increased with the amount of sulfuric group. Their maximum values were 18.2% and 4.6 meq/g, respectively. The adsorption of copper and nickel ion was completed within 40 min.
Keywords
hyper branched PSD; high functionalized sulfonation; high ion exchange capacity; metal adsorption;
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