WATER-SOLUBLE CORROSION INHIBITOR FOR PROTECTION OF LIFTING CASINGS AND NATURAL GAS PIPELINES AS WELL AS THE METHOD OF ITS PRODUCTION

• Main Authors: GAŹDZIK, BARBARA, ZIEMIAŃSKI, LESZEK, PAJDA, MICHAŁ, SKRĘT, IWONA, ZEGARMISTRZ, EWA, MAZELA, WOJCIECH, PTAK, STEFAN, SOCHA, MIECZYSŁAW
• Format: Patent
• Language: English; French
• Published: 24.03.2016
• Subjects: ADHESIVES; 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; DYES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; 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; NATURAL RESINS; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; PAINTS; POLISHES

The water-soluble corrosion inhibitor for protection of lifting casings and natural gas pipelines contains: - component a) obtained through neutralization from 0.1 to 50 % by weight, of the new mixture of modified imidazoline derivatives, which constitutes a mixture of substances of general formulas (1) and (2), wherein R1: C12-C22 whereinR2:C2-C12 with the possible addition of a product of general formula (1') wherein R3: C12-C24 with an aliphatic and/or aromatic monocarboxylic acid containing from 1 to 7 carbon atoms per molecule, - component b) that is oxyethylenated fatty amines containing from 2 to 20 ethoxyl groups per molecule - component c) that is an alkalizing agent - optional component d) that is an aliphatic polyol - component e) that is an aliphatic alcohol containing from 1 to 6 carbon atoms per molecule, optionally with the addition of water - component f) that is an anti-foaming agent. L'invention porte sur un inhibiteur de corrosion hydrosoluble pour la protection des tubages de levage et des gazoducs, lequel inhibiteur de corrosion contient : - un composant a) obtenu par la neutralisation de 0,1 à 50 % en poids d'un nouveau mélange de dérivés d'imidazoline modifiés, qui constitue un mélange de substances répondant aux formules générales (1) et (2), où R1: C12-C22 oùR2:C2-C12, avec l'adjonction possible d'un produit répondant à la formule générale (1') où R3: C12-C24 avec un acide monocarboxylique aliphatique et/ou aromatique contenant de 1 à 7 atomes de carbone par molécule ; - un composant b) constitué d'amines grasses oxyéthylénées contenant de 2 à 20 groupes ethoxyle par molécule ; - un composant c) qui est un agent alcalifiant ; - un composant facultatif d) qui est un polylol aliphatique ; - un composant e) qui est un alcool aliphatique contenant de 1 à 6 atomes de carbone par molécule, avec l'adjonction facultative d'eau ; - et un composant f) qui est un agent antimousse.