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Novel high-lubrication aluminothermy rough rolling emulsion and preparation method thereof

An emulsion, thermite technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve problems such as uneconomical, unreasonable, and increased desorption tendency of polar molecules

Active Publication Date: 2021-12-31
CHINALCO LUBRICANT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the higher temperature of aluminum hot rough rolling strips and rolls, it is neither reasonable nor economical to continue this practice for large rolling mills, which will significantly increase the desorption tendency of these polar molecules and reduce the lubricating effect
In addition, because the emulsion contains a large amount of lubricating esters, animal and vegetable oils, fatty acids, and organic soaps, it also has an adverse effect on the bite performance.

Method used

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  • Novel high-lubrication aluminothermy rough rolling emulsion and preparation method thereof
  • Novel high-lubrication aluminothermy rough rolling emulsion and preparation method thereof
  • Novel high-lubrication aluminothermy rough rolling emulsion and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1-3

[0035] In the following examples of the present invention, the raw materials are selected according to the proportioning described in the following table 1 respectively, and the specific preparation methods include:

[0036] (1) In the first reactor, add the selected amount of oleic acid, antioxidant, peroxide decomposing agent, antirust agent, heat up to 65°C, stir for 40min, mix until completely dissolved, wait to cool down to Below 50°C, the semi-finished product of the oleic acid mixture is obtained, which is stored for later use;

[0037] (2) add part of naphthenic base oil in the second reaction kettle, heat to 55 ℃, stir for at least 30min; then add the said surfactant of selected amount, polyol ester, wetting agent, complex phosphate, Control the temperature at 55°C, stir for 40 minutes, and mix well;

[0038] (3) Continue to add the oleic acid mixture, defoamer, and pH buffer prepared in step (1) to the above-mentioned second reaction kettle, keep the temperature at ...

experiment example

[0072] The properties of the emulsions described in the above examples and comparative examples were tested respectively, and the test results are shown in Table 2 below. in,

[0073] pH value (5wt% concentration) test: test according to GB / T 9724-2007;

[0074] Emulsion (5wt% concentration) stability index ESI test method: 400ml emulsion with 5wt% concentration was placed in a separatory funnel for 4 hours, the lower layer and upper layer 45ml emulsion were respectively removed, strong acid and deionized water were added to separate oil and water, and the oil was measured. Phase volume, the ratio of the measured lower emulsion oil phase to the upper emulsion oil phase volume is the emulsion stability index ESI;

[0075] UA value determination method: use the infrared spectrometer to establish a quantitative analysis standard curve, scan the spectrum of the oil sample to be tested, and perform quantitative analysis;

[0076] Hydrophobic viscosity test method: use strong acid...

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Abstract

The invention belongs to the technical field of metal processing, particularly relates to a novel high-lubrication aluminothermy rough rolling emulsion and discloses a preparation method thereof. According to the aluminothermy rough rolling emulsion, base oil, polyol ester, oleic acid, a surfactant, a composite antioxidant, composite phosphate, a pH buffering agent, an antirust agent, a defoaming agent, a wetting agent and a peroxide decomposing agent serve as effective components, the biting performance of the emulsion can be obviously improved, the extreme pressure lubricating capacity is fully enhanced, and the lubricating requirement of large rolling reduction is met.

Description

technical field [0001] The invention belongs to the technical field of metal processing, and in particular relates to a novel high-lubricating aluminum hot rough rolling emulsion, and discloses a preparation method thereof. Background technique [0002] With the rapid development of my country's aluminum and aluminum alloy processing industry, more stringent surface quality requirements have been put forward for the base plate and strip, and the importance of emulsion lubrication, which is a key link in surface quality control, has become increasingly prominent. At present, most of the hot rolling and rolling lubrication systems of major domestic aluminum and aluminum alloy processing enterprises are provided by foreign companies; moreover, the rolling lubrication systems used have many deficiencies, for example, the combination of actual production is not strong, the lubrication The ability does not meet the lubrication requirements of large rolling mills, and the stability...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/24C10N30/06C10N50/00
CPCC10M169/048C10M2203/1065C10M2207/289C10M2209/104C10M2209/108C10M2223/049C10M2223/041C10M2223/043C10M2215/042C10M2207/126C10M2207/026C10M2215/065C10M2215/223C10M2219/104C10M2229/041C10M2207/046C10M2219/068C10N2040/24C10N2040/242C10N2040/245C10N2050/00C10N2030/24C10N2030/06C10N2030/56C10N2020/02C10N2010/02
Inventor 王灵锦刘树森郝兵兵李轶罗建平
Owner CHINALCO LUBRICANT TECH CO LTD
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