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Updated: May 10, 2026

Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
A facile and high-recovery material for rare-metals based on a water-soluble polyallylamine with side-chain thiourea
Daisuke Nagai1, Megumi Yoshida, Takuya Kishi
1Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan. daisukenagai@gunma-u.ac.jp
Abstract:
We describe a facile and high-recovery material for rare metals based on a polymer combining amino groups for water solubility and thiourea groups for metal complexation. Good solubility in aqueous metal ion solutions allows for homogeneous and efficient adsorption by the polymer, and a maximum Pd(II) recovery amount (0.508 gPd gpolymer(-1)) greater than those of other polymers reported in the literature.
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