Imidazoline and Its Derivative Products

HLN-129 is a high-performance phosphorus-free high-temperature corrosion inhibitor formulated by diluting the stock solution with diesel oil, aromatic hydrocarbons, or similar solvents. This polymer surfactant contains strong polar groups such as nitrogen (N) and oxygen (O), making it free from phosphorus (P), chloride (Cl), metals, and other toxic substances. The product is environmentally friendly, exhibits excellent oil solubility, and is thermally stable with a decomposition temperature exceeding 500℃. RUN-129 forms a dense monomolecular or polymolecular adsorption film on metal surfaces, effectively preventing high-temperature naphthenic acid corrosion.

HLH-103 is a polymer surfactant containing highly polar groups such as nitrogen (N) and oxygen (O). Free of phosphorus (P), chloride (Cl), metals, and other toxic substances, it is environmentally friendly and safe for downstream processing. BXH-103 features excellent oil solubility, a high boiling point, and superior thermal stability, with a decomposition temperature exceeding 500℃. The product exhibits strong adsorption on metal surfaces, forming a dense monomolecular or polymolecular film and a passivation layer similar to 316 or 317 stainless steel. This protective layer effectively prevents high-temperature naphthenic acid corrosion.

HLN-129 is a high-performance phosphorus-free high-temperature corrosion inhibitor formulated by diluting the stock solution with diesel oil, aromatic hydrocarbons, or similar solvents. This polymer surfactant contains strong polar groups such as nitrogen (N) and oxygen (O), making it free from phosphorus (P), chloride (Cl), metals, and other toxic substances. The product is environmentally friendly, exhibits excellent oil solubility, and is thermally stable with a decomposition temperature exceeding 500℃. RUN-129 forms a dense monomolecular or polymolecular adsorption film on metal surfaces, effectively preventing high-temperature naphthenic acid corrosion.

HLN-127-4 is a high-performance water-soluble corrosion inhibitor designed to enhance efficiency and reduce production costs for atmospheric and vacuum distillation devices. By concentrating the active corrosion inhibition components into a four-fold solution, the product combines multiple types of inhibitors to provide excellent protection against corrosion caused by sulfides and chlorides. The product forms a robust protective film on metal surfaces through physical adsorption and chemical coordination adsorption.

HLN-127 is a high-performance neutralizing corrosion inhibitor specifically designed for use in atmospheric and vacuum distillation units. It effectively mitigates corrosion caused by acidic substances such as HCl and H2S, as well as scale corrosion due to ammonium chloride (NH4Cl) and iron sulfide (FeS). This product combines organic amines, amphoteric imidazolines, gas-phase corrosion inhibitors, anti-emulsifiers, and dispersants, providing comprehensive protection for critical equipment in refining processes.

HLN-124-4 is a hydrogenation corrosion inhibitor formulated with organic amines, polymerization inhibitors, cycloalkyl amphoteric imidazolines, morpholine derivatives, dispersants, and other corrosion inhibition components. This product leverages the synergistic effects among different types of inhibitors to form a protective film on metal surfaces through physical adsorption and chemical coordination adsorption. It provides excellent corrosion resistance, particularly in systems with high concentrations of sulfides, and effectively reduces the oxidation of sulfides to elemental sulfur, preventing under-scale corrosion.

HLN-124 is a patented, water-soluble hydrogenation corrosion inhibitor composed of multiple adsorption-type corrosion inhibitors, polycarboxylic acid polymer scale dispersants, organic amines, anti-emulsifiers, and acid corrosion inhibitors. The product is specifically designed for use in hydrocracking, hydrofinishing, and catalytic reforming processes to control ammonium bisulfide (NH4HS) erosion, fouling, and wet hydrogen sulfide (H2S) corrosion. It provides the following key benefits:

HLH-107 is a patented corrosion and scorch inhibitor (Patent No: ZL 201110203220.0) specifically designed for lubricating oil furfural refining units. It addresses the dual challenges of corrosion and coking, offering a comprehensive solution to extend equipment lifespan and improve operational efficiency. This product neutralizes furoic acid, prevents furfural oxidation, and reduces furfural condensation reactions, thereby mitigating corrosion and coking issues that are common in the industry.

HLH-105A is an advanced oil-soluble imidazoline stock solution derived from a modified oleic acid imidazoline intermediate. Hydrophobic groups are strategically incorporated into its molecular structure to enhance compatibility with gasoline and diesel, improve storage stability, and provide demulsifying properties. Compared to traditional oleic acid-based imidazoline corrosion inhibitors, BXH-105A offers superior corrosion protection, improved oil solubility, and excellent environmental performance.

HLH-105 is an advanced oil-soluble imidazoline stock solution derived from a modified oleic acid imidazoline intermediate. Hydrophobic groups are strategically incorporated into the molecular structure to enhance compatibility with gasoline and diesel, while significantly improving storage stability. Compared to traditional oleic acid-based imidazoline corrosion inhibitors, BXH-105 offers superior corrosion inhibition, better oil solubility, and improved environmental performance. Key features include:

HLH-102 is an alkaline organic intermediate with an alkyl imidazoline structure, synthesized from oleic acid and organic amine at temperatures above 220℃. It is an effective oil-soluble imidazoline corrosion inhibitor with excellent adsorption properties. The advanced synthesis process utilizes multi-step temperature control and water separation under catalytic conditions, achieving a high imidazoline cyclization rate. BXH-102 is easily soluble in solvents like diesel oil and mineral oils, but remains in a dispersed state in water. Its imidazoline ring structure strongly adheres to metal surfaces, forming a dense molecular film that transforms hydrophilic surfaces into hydrophobic ones, effectively preventing corrosion caused by CO₂, H₂S, HCl, and other acidic media.

HLH-101 water-soluble imidazoline (polyoxyethylene ether) stock solution is a high-performance, non-ionic surfactant. It is synthesized from oleic acid and organic amine at temperatures above 220 ℃, forming an oil-soluble hydroxyethyl imidazoline with an alkyl imidazoline structure. The addition of ethylene oxide (EO) further modifies the product. The synthesis process involves advanced multi-step temperature control under catalytic conditions, enhancing the formation of imidazoline rings and optimizing the molar ratio of EO addition. This ensures high water solubility while maintaining controlled EO polymerization, resulting in superior corrosion inhibition properties.

The product contains over 95% effective components, offering excellent water solubility. It is widely used in oil and natural gas extraction, refining processes, and surface treatment applications, serving as a highly effective corrosion inhibitor.