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

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

CN103756740AActive Publication Date: 2014-04-30中油延长石油销售股份有限公司
5 Cites 6 Cited by

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicle methanol fuel corrosion-inhibitor for various metals

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In terms of mass percentage, prepare 40% heptadecyl hydroxyethyl imidazoline, 5% dimerized oleic acid, 5% polyaspartic acid, 10% benzotriazole, 3% hexadecane amine, 3% N-methylpyrrole, 0.1% N,N'-disalicylidenediamine, and the balance is isopropanol.

[0029] First add the dispersant to the blending kettle, then add imidazoline derivatives, dimer acid, polyaspartic acid, benzoxazole, organic amine, nitrogen-containing heterocyclic compounds, metal ion deactivator while stirring, fully Stir evenly to form a transparent liquid to obtain the multi-metal corrosion inhibitor for vehicle methanol fuel of the present invention.

Embodiment 2

[0031] In terms of mass percentage, prepare 30% heptadecenylamine ethyl imidazoline, 10% dimerized linoleic acid, 7% polyaspartic acid, 3% benzotriazole, 5% decane Octamine, 6% of 2,5-dimethylpyrrole and 0.05% of N,N'-disalicylidenediamine, and the balance is isobutanol.

[0032] First add isobutanol into the blending kettle, then add heptadecenylamine ethyl imidazoline, dimer linoleic acid, polyaspartic acid, benzotriazole, octadecylamine, pyrrolidone and N , N'-disalicylidene propylenediamine, fully stirred until the mixed solution becomes transparent, and the multi-metal corrosion inhibitor for vehicle methanol fuel of the present invention is obtained.

Embodiment 3

[0034] In terms of mass percentage, prepare 35% oleic imidazoline, 8% dimerized oleic acid, 7% polyaspartic acid, 5% benzotriazole, 3% hexadecylamine, 2% 2,5-dimethyl-1-phenylpyrrole, 0.08% N,N'-disalicylidenediamine, and the balance is isoamyl alcohol.

[0035] First add isoamyl alcohol into the mixing tank, then add oleic imidazoline, dimer oleic acid, polyaspartic acid, benzotriazole, hexadecylamine, 2,5-dimethyl- 1-phenylpyrrole and N,N'-disalicylidene propylenediamine are fully stirred until the mixed solution becomes transparent, and the multi-metal corrosion inhibitor for vehicle methanol fuel of the present invention is obtained.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of substituting an automobile alcohol ether for a fuel additive, and in particular relates to a vehicle methanol fuel corrosion-inhibitor for various metals. The methanol fuel corrosion-inhibitor for various metals is composed of 30-40wt% of imidazoline derivatives, 5-10wt% of dimer acids, 3-7wt% of polyaspartic acid, 3-10wt% of benzoxazole, 1-5wt% of organic amine, 2-6wt% of nitrogen heterocyclic ring-containing compounds, 0.05-0.1wt% of metal ion passivator and the balance of dispersant. The vehicle methanol fuel corrosion-inhibitor is suitable for anti-corrosion and corrosion inhibition of various metals, such as red copper, brass, 45# steel disc, stainless steel, alumium, zinc and tin. Besides, the vehicle methanol fuel corrosion-inhibitor for various metals is low in the addition amount of additives, nontoxic and pollution-free, and belongs to an environment-friendly corrosion inhibitor.

Description

technical field [0001] The invention belongs to the field of automotive alcohol ether alternative fuel additives, in particular to a metal corrosion inhibitor for methanol fuel used in vehicles. Background technique [0002] Methanol has properties similar to petroleum in many respects and is therefore considered one of the most promising alternative fuels in internal combustion engines, especially spark ignition engines. Methanol generally contains acidic substances in the production and preparation process; the water absorption of methanol itself makes it contain a small amount of water during storage, and a small amount of organic acid will also be produced by air oxidation or bacterial fermentation; a small amount of aldehydes, Acidic substances such as acid; these acidic substances will cause corrosion and wear to the fuel system and combustion system of engines using alcohol fuels. This problem has been introduced in some patents. Rust inhibitors, alkenyl esters or ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
30 Apr 2014
Publication
CN103756740A
IPC
C10L1/232; C10L1/188; C10L1/222; C10L1/22; C10L1/10
Inventors
王小婷; 王珉