Vehicle methanol fuel corrosion-inhibitor for various metals
A technology of metal corrosion inhibitor and methanol for vehicles, which is applied in the direction of fuel, liquid carbon-containing fuel, petroleum industry, etc., can solve problems such as corrosion of metal materials, and achieve the effect of less additives
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[0027] Example 1
[0028] According to mass percentage, prepare 40% heptadecyl hydroxyethyl imidazoline, 5% dimer oleic acid, 5% polyaspartic acid, 10% benzotriazole, 3% hexadecyl Amine, 3% N-methylpyrrole, 0.1% N,N'-di-salicylidene diamine, the balance is isopropanol.
[0029] First add the dispersant to the blending kettle, then add imidazoline derivatives, dimer acid, polyaspartic acid, benzoxazole, organic amines, nitrogen-containing heterocyclic compounds, and metal ion passivators while stirring. Stir uniformly into a transparent liquid to obtain the multi-metal corrosion inhibitor for vehicle methanol fuel of the present invention.
Example Embodiment
[0030] Example 2
[0031] According to the mass percentage, prepare 30% heptadecenylamino ethyl imidazoline, 10% dimer linoleic acid, 7% polyaspartic acid, 3% benzotriazole, 5% ten Octaamine, 6% 2,5-dimethylpyrrole, and 0.05% N,N'-di-salicylidene diamine, the balance is isobutanol.
[0032] First add isobutanol to the blender, then add heptadecenylamine ethyl imidazoline, dimer linoleic acid, polyaspartic acid, benzotriazole, stearylamine, pyrrolidone and N while stirring. , N'-di-salicylic propylene diamine, fully stirred until the mixed liquid is transparent, to obtain the vehicle methanol fuel multi-metal corrosion inhibitor of the present invention.
Example Embodiment
[0033] Example 3
[0034] According to the mass percentage, prepare 35% oleic imidazoline, 8% dimer oleic acid, 7% polyaspartic acid, 5% benzotriazole, 3% hexadecylamine, 2% 2,5-Dimethyl-1-phenylpyrrole, 0.08% N,N'-di-salicylidene diamine, the balance is isoamyl alcohol.
[0035] First add isoamyl alcohol to the blender, then add oleic imidazoline, dimer oleic acid, polyaspartic acid, benzotriazole, hexadecylamine, 2,5-dimethyl- 1-Phenylpyrrole and N,N'-di-salicylidene diamine are fully stirred until the mixed liquid is transparent to obtain the multi-metal corrosion inhibitor for vehicle methanol fuel of the present invention.
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