ベンゾチアゾール誘導体の銅腐食に対する抑制効果

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タイトル別名
  • Corrosion Inhibition of Benzothiazole Derivatives on Copper
  • ベンゾチアゾール ユウドウタイ ノ ドウ フショク ニ タイスル ヨクセイ コ

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抄録

Corrosion inhibiting effect of benzothiazole derivatives on copper in an aqueous solution containing 0.01M NaOH, 0.0057M NaHCO3 and 0.0036M Na2SO4 was investigated by means of polarization measurement with a rotating disk electrode. The inhibiting effects of 2-mercaptoben-zothiazole, 3-[2-(benzothiazolyl) thio] propionic acid and 2-(benzothiazolyl) thio acetic acid were increased by substitution of methyl group for hydrogen atom of benzene ring. The inhibiting effects of 2-[2-(benzothiazolyl) thio] propionic acid and 2-[2-(benzothiazolyl) thio] butyric acid were as excellent as the effect of 2-mercaptoben-zothiazole. The inhibition mechanism of these inhibitros was discussed.

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