Palladium adsorbing properties of UV-curable chitosan derivatives and surface analysis of chitosan-containing paint

  • Renbutsu E
  • Okabe S
  • Omura Y
 et al. 
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Abstract

The results of X-ray photoelectron spectroscopy (XPS) analyses indicated that palladium chloride was adsorbed on a plastic surface coated with a chitosan-containing paint (C-Paint), and was completely reduced to Pd(0) after reduction with dimethylamine-borane. To improve the stability and hardening properties of C-Paint, UV-curable chitosan derivatives, such as N-[3-methoxy-4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl]methylated chitosan and N-(3-methoxy-4-methacryloyloxyphenyl)methylated chitosan, were synthesized. The derivatives showed better affinity for organic solvents. After UV irradiation for 20 s, an acidic solution of these derivatives was transformed to a gel, and the dried films exhibited good palladium(II) adsorption at pH 1.1. © 2007 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Chitosan
  • Electroless plating
  • Palladium adsorption
  • UV-curable chitosan derivatives
  • XPS

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Authors

  • E. Renbutsu

  • S. Okabe

  • Y. Omura

  • F. Nakatsubo

  • S. Minami

  • Y. Shigemasa

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