Oil-soluble imidazoline corrosion inhibitor and preparation method and application thereof

• Main Authors: HUANG JINRUI, XIAO LAIHUI, NIE XIAO'AN
• Format: Patent
• Language: Chinese; English
• Published: 31.12.2021
• Subjects: 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; 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

The invention discloses an oil-soluble imidazoline corrosion inhibitor and a preparation method and application thereof. The chemical structure of the oil-soluble imidazoline corrosion inhibitor is shown in the specification, wherein R is an aliphatic chain. Imidazoline prepared by the method has excellent oil solubility and anti-rust performance. The prepared imidazoline is liquid with low viscosity, and industrial operation is facilitated. The imidazoline prepared by the method has the characteristics of high synthesis yield and no use of an organic solvent and a catalyst in the synthesis process, and is simple to operate and suitable for large-scale industrial production. 一种油溶性咪唑啉缓蚀剂及其制备方法和应用，化学结构如下所示：其中R为脂肪链。①本发明制备出来的咪唑啉具有优异油溶性和防锈性能。②本发明制备出来的咪唑啉为粘度低的液体，利于工业化操作。③本发明制备出来的咪唑啉合成收率高，合成过程不使用有机溶剂和催化剂的特点，操作简单，适合大规模工业化生产。