Mechanochemical synthesis of salicylic acid-formaldehyde chelating co-polymer

Svetlana Lugovskoy, Marina Nisnevitch, Michael Zinigrad, David Wolf

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A mechanochemical synthesis of a co-polymer of salicylic acid and formaldehyde is reported. New IR absorbance bands found after the performance of the mechanochemical synthesis are attributed to the formation of a salicylic acid-formaldehyde co-polymer. Dislocation deformation along slide planes in the salicylic acid structure occurs in the course of the mechanochemical activation causing no essential changes in the more stable hydrogen bonds net. The weaker inter-layer bonds in the acid structures are broken during activation, but are restored soon after the completion of the process. Polycondensation reaction occurs as a result of the mechanochemical process of the salicylic acid-formaldehyde mixture. The obtained co-polymer is a chelating agent capable of binding Pb2+, Cu2+, and Fe3+ ions. A comparison was made of the ion exchange capacity and metal ion binding capacity of the mechanochemically produced co-polymer with the co-polymer synthesized using the conventional "wet" method.

Original languageEnglish
Pages (from-to)279-285
Number of pages7
JournalClean Technologies and Environmental Policy
Volume10
Issue number3
DOIs
StatePublished - 1 Jan 2008
Externally publishedYes

Keywords

  • Chelating polymer
  • Mechanochemical synthesis
  • Metal ions binding
  • Solid-phase synthesis

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • General Business, Management and Accounting
  • Economics and Econometrics
  • Management, Monitoring, Policy and Law

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