Water-soluble corrosion inhibitor PROTECTION PERFORMANCE pipes and pipelines for natural gas, as well as methods for its preparation

摘要

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.