Редколлегия Физикохимия Поверхности и Защита Материалов - Corrosion Inhibitors of the SNPKh Type. 1. Development and Study of the Protective Effects of Corros

Corrosion Inhibitors of the SNPKh Type. 1. Development and Study of the Protective Effects of Corrosion Inhibitors Based on Heterocyclic Nitrogen-Containing Compounds

O. V. Ugryumov*, O. A. Varnavskaya*, V. N. Khlebnikov*, Yu. N. Kamzina*, D. N. Lebedev*, G. V. Romanov*, Ya. V. Ivshin**, R. A. Kaidrikov**, F. Sh. Shakirov***, and F. I. Dautov***

* JSC “Research Institute of Oil-Field Chemistry” (NIIneftepromkhim),
ul. N. Ershova 29, Kazan, 420045 Tatarstan, Russia

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** Kazan State Technological University, ul. Karla Marksa 68, Kazan, 420015 Tatarstan, Russia

Abstract — Protective effects of aryloxycarbonylmethylisoquinolinium chlorides on the iron surface were studied. The best results were obtained with decylphenoxycarbonylmethylisoquinolinium chloride (DPCMIQC)containing the alkyl C₁₀ in the aryl fragment. This salt was used as an active component in an SNPKh-type corrosion inhibitor. Experimental data for this inhibitor were compared with the results obtained in bench and commercial field tests in West Siberia and the Ural–Volga region.