Synthesis and Characterization of Hydroxamic Acid Type Chelate Resin

Hydroxmic Acid계 Chlate Reain의 제조와 특성화

  • 유혜자 (서원대학교 의류학과) ;
  • 전호진 (서원대학교 의류학과) ;
  • 전동원 (이화여자대학교 의류직물학과)
  • Published : 1992.05.01

Abstract

In this study, preparation of new chelating resins hearing dihydroxamic acid groups and the adsorptive ability for heavy metal ions are described. The various types of the macroporous polychloromethylstyrene(PCMS) resin matrix were firstly synthesized by polymerizing chloromethylstyrene(CMS) with divinylbenzene or ethylene-glycol dimethacrylate. PCMS was treated with diethylmalonate in N, N'-dimethylformamide to give the resin having diethylmalonate groups. These resins were then treated with hydroxylamine in methanol to afford the dihydroxamic acid resin. The dihydroxamic acid polymer contained carboxylic acid groups as well as hydroxa-mic acid ones. The polymer showed an excellent adsorption capacity for uranium ions.

Keywords

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