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Environmentally-friendly barium-free thixotropic antirust oil

A technology of thixotropy and anti-rust oil, which is applied in the petroleum industry, additives, lubricating compositions, etc. It can solve the problems of polluting the construction environment, waste of oil, easy to flow, etc., and achieves easy removal, high breakdown voltage, and cleanability Good results

Active Publication Date: 2010-02-10
沈阳防锈包装材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But because it forms an oil film, it has the disadvantage of being easy to flow, causing waste of oil and polluting the construction environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Add 87.3% base oil N15 into the reaction kettle, stir and heat to 110-120°C; add 3% heptadecenyl imidazoline alkenyl succinate, 5% dodecenyl succinic acid half Esters, 3.5% dodecenyl succinate, dehydrated for 1 hour; when the temperature was lowered to 50-60°C, add 0.1% 2,6-di-tert-butyl-p-cresol, 0.5% benzotriazole, Insulate and stir for 3 hours; add 0.6% thixotropic agent, disperse and stir at 50-60°C for 1 hour, cool down to 40°C and filter out. Sampling inspection, its performance index test is as follows:

[0031] project

Embodiment 2

[0033] raw material name

[0034] Add 89.3% base oil N22 into the reaction kettle, heat to 110-120°C, add 4% calcium petroleum sulfonate, dehydrate for 1 hour, add 3.5% heptadecenyl imidazoline when the temperature drops to 50-60°C Alkenyl succinate, 2% dodecenyl succinate half ester, 0.2% zinc thiophosphoryl phenate, kept stirring for 3 hours. Add 1.0% thixotropic agent, stir in a dispersion tank at 50-60°C for 1 hour, cool down to 40°C, filter and discharge, and take samples for inspection.

Embodiment 3

[0036] raw material name

[0037] Add 93.3% base oil N15 into the reaction kettle, stir, heat to 110-120°C, add 3% heptadecenyl imidazoline alkenyl succinate, 3% dodecenyl succinate , dehydration for 1 hour; when the temperature is lowered to 50-60° C., add 0.1% 2,6-di-tert-butyl-p-cresol, and keep stirring for 3 hours. Add 0.6% thixotropic agent, disperse and stir at 50-60°C for 1 hour, cool down to 40°C, filter and discharge, and take samples for inspection.

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PUM

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Abstract

The invention discloses an environmentally-friendly barium-free thixotropic antirust oil, which is characterized by comprising the following components in percentage by weight: antirusting agent 4.0-25.0, thixotropic agent 0.1-5.0, antioxidant 0.1-3.0 and base oil 72.0-94.0. The preparation method of the environmentally-friendly barium-free thixotropic antirust oil comprises: firstly, adding the base oil into a reaction kettle, stirring the base oil, heating the base oil to 110 to 120 DEG C, adding the antirusting agent, stirring the mixture for continuous dehydration for 1 hour, and cooling the mixture to 50 to 60 DEG C; and secondly, adding the antioxidant, stirring the mixture for 3 hours at a constant temperature of 50 to 60 DEG C, adding the thixotropic agent, stirring the mixture for1 hour at 50 to 60 DEG C, cooling the resulting product to 40 DEG C, filtering the resulting product and discharging the resulting product. For obtaining antirust oil films that are insusceptible toflow and free from heavy metal barium, the antirust oil selects a proper barium-free corrosion inhibiter to ensure excellent antirust performance besides the thixotropic agent added for quickly forming stable oil films of antirust oil.

Description

technical field [0001] The invention relates to an antirust oil used for steel corrosion protection, in particular to an antirust oil with thixotropic properties and containing no barium elements, which is environmentally safe and belongs to the technical field of metal surface treatment. Background technique [0002] Anti-rust oil has been widely used at home and abroad due to its advantages of good effect, convenient use, low cost, easy construction, simple operation and easy removal. Because barium-containing corrosion inhibitors (such as barium petroleum sulfonate, barium dinonyl naphthalene sulfonate) have excellent antirust performance, barium-containing corrosion inhibitors are basically listed as preferred components in existing antirust oils , for example, publication number is CN1629264 Chinese invention patent application "preparation method of a kind of anti-rust oil", publication number is CN101144046 Chinese invention patent application "manufacturing method of...

Claims

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Application Information

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IPC IPC(8): C10M159/04C10M137/00C10M139/06C10N30/12C10N30/10
Inventor 姚景文窦志刚徐欣轶白芳安成强唐艳秋
Owner 沈阳防锈包装材料有限责任公司
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