Thiourea modified imidazoline corrosion inhibitor and preparation method thereof
By preparing a thiourea-modified imidazoline corrosion inhibitor containing isopropanol, potassium iodide, and surfactant, the problems of low corrosion inhibition rate and fast corrosion rate in the existing technology have been solved, achieving higher corrosion inhibition effect and lower corrosion rate, thus protecting offshore oilfield equipment.
CN117821982BActive Publication Date: 2026-07-24沧州中润化学助剂有限公司
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 沧州中润化学助剂有限公司
- Filing Date
- 2024-01-05
- Publication Date
- 2026-07-24
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Abstract
The present application relates to the technical field of corrosion inhibitor, and proposes a thiourea modified imidazoline corrosion inhibitor and a preparation method thereof, which comprises the following components by weight: 40-50 parts of thiourea modified imidazoline, 6-8 parts of isopropyl alcohol, 0.1-0.2 parts of potassium iodide, 10-15 parts of an additive, and 35-40 parts of a solvent; the additive is composed of 2-amino-5-iodobenzoic acid methyl ester and a surfactant. Through the above technical solution, the problem of low corrosion inhibition rate and fast corrosion speed of the thiourea modified imidazoline corrosion inhibitor in the prior art is solved.
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