NOVEL CORROSION INHIBITORS

Disclosed are novel compounds and methods useful in applications relating to industrial water systems. The compounds of the present invention are nitrogen-containing heterocyclic compounds comprising a benzotriazole covalently bonded to a benzimidazole moiety, and provide enhanced protection against...

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Bibliographische Detailangaben
Hauptverfasser:	ATKINS, JEFFERY M, HARBINDU, ANAND, RANE, DEEPAK, SEETHARAMAN, JOTHIBASU, JOHNSON, DONALD A, SIVASWAMY, VAIDEESWARAN, MONDKAR, HEMANT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL HETEROCYCLIC COMPOUNDS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	Disclosed are novel compounds and methods useful in applications relating to industrial water systems. The compounds of the present invention are nitrogen-containing heterocyclic compounds comprising a benzotriazole covalently bonded to a benzimidazole moiety, and provide enhanced protection against corrosion of metals in aqueous systems. The compounds of the present invention are generally resistant to halogen attack and provide good corrosion resistance in the presence of oxidizing halogen-based biocides. L'invention concerne de nouveaux composés et des procédés utiles dans des applications relatives à des systèmes de circulation d'eau industriels. Les composés de la présente invention sont des composés hétérocycliques contenant de l'azote comprenant un benzotriazole lié de manière covalente à une fraction benzimidazole, et assurant une protection améliorée contre la corrosion de métaux dans des systèmes aqueux. Les composés de la présente invention sont généralement résistants à une attaque par halogène et assurent une résistance à la corrosion satisfaisante en présence de biocides oxydants à base d'halogène.