Controlled oxidation of dextran for evolution of polyether segment bearing pendant carboxyl groups for corrosion inhibition applications

Kenichi Oyaizu, Aritomo Yamaguchi, Takamitsu Hayashi, Yukiaki Nakamura, Daisuke Yoshii, Yuji Ito, Makoto Yuasa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Partially oxidized dextran containing carboxyl groups was prepared as an environmentally benign organic corrosion inhibitor for mild steel. Introduction of carboxyl groups was accomplished by oxidation of dextran using sodium hypochlorite under basic conditions. The structure of the product was confirmed by spectroscopic measurements. GPC analysis revealed that oxidation of dextran proceeded without significant molecular-weight degradation. 1H NMR spectra revealed that up to 1.3 carboxyl groups per repeating unit were introduced into the polymer. The product showed moderate corrosion inhibition activity for mild steel, and biodegradability under conditions for cooling water systems.

Original languageEnglish
Pages (from-to)343-348
Number of pages6
JournalPolymer Journal
Volume38
Issue number4
DOIs
Publication statusPublished - 2006
Externally publishedYes

Fingerprint

Bearings (structural)
Dextran
Polyethers
Dextrans
Corrosion
Oxidation
Carbon steel
Water cooling systems
Sodium Hypochlorite
Biodegradability
Corrosion inhibitors
Polymers
Molecular weight
Sodium
Nuclear magnetic resonance
Degradation

Keywords

  • Corrosion Inhibitor
  • Dextran
  • Hypochlorite
  • Oxidation
  • Polycarboxylate
  • Spectroscopy

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Controlled oxidation of dextran for evolution of polyether segment bearing pendant carboxyl groups for corrosion inhibition applications. / Oyaizu, Kenichi; Yamaguchi, Aritomo; Hayashi, Takamitsu; Nakamura, Yukiaki; Yoshii, Daisuke; Ito, Yuji; Yuasa, Makoto.

In: Polymer Journal, Vol. 38, No. 4, 2006, p. 343-348.

Research output: Contribution to journalArticle

Oyaizu, Kenichi ; Yamaguchi, Aritomo ; Hayashi, Takamitsu ; Nakamura, Yukiaki ; Yoshii, Daisuke ; Ito, Yuji ; Yuasa, Makoto. / Controlled oxidation of dextran for evolution of polyether segment bearing pendant carboxyl groups for corrosion inhibition applications. In: Polymer Journal. 2006 ; Vol. 38, No. 4. pp. 343-348.
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