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Viscosity reducing agent for oil

A technology of viscosity reducer and oil products, which is applied in the direction of additives, petroleum industry, lubricating compositions, etc., can solve the problems of viscosity increase, etc., and achieve the effects of reducing the generation of free radicals, reducing viscosity, and reducing internal friction

Inactive Publication Date: 2009-05-13
上海良田化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of oil viscosity reducer that can fundamentally solve the problem of viscosity increase due to the increase of oil temperature in order to overcome the defects of the above-mentioned prior art.

Method used

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  • Viscosity reducing agent for oil

Examples

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Effect test

Embodiment 1～7

[0011]

[0012] Note: The viscosity of quenching oil is 43.8mm before adding viscosity reducer 2 / s(80℃)

[0013] In the above examples, the components of Example 1 are the polymerization inhibitor catechol, the stretching agent is trimethyl phosphate, and the hydrocarbon solvent is hexane. The components of Example 2 are the polymerization inhibitor sec-octylphenol, the stretching agent is triethyl phosphate, and the hydrocarbon solvent is cyclohexane. The components of Example 3 are the polymerization inhibitor p-tert-butylphenol, the stretching agent is tributyl phosphate, and the hydrocarbon solvent is kerosene. The components of Example 4 are the polymerization inhibitor p-tert-butylcatechol (TBC), the stretching agent is diisooctyl phosphate, and the hydrocarbon solvent is diesel oil. The components of Example 5 are the polymerization inhibitor p-phenylenediamine, the stretching agent is triphenyl phosphate, and the hydrocarbon solvent is benzene. The components of...

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Abstract

The oil viscosity reducing agent is re-compounded with polymerization inhibitor in 10-40 wt% and extending agent in 10-40 wt% except hydrocarbon solvent. Unlike available technology, the present invention adopts the method of combining polymerization inhibiting and extending to avoid the abrupt raising of viscosity of quenching oil. On one hand, the polymerization inhibiting component can inhibit the polymerization of unsaturated component in the quenching oil, and on the other hand, the extending component may be adsorbed onto the molecule of the quenching oil to unfold the crisp molecule into linear state without mutual twisting, so as to reduce internal friction of molecules and viscosity of liquid.

Description

technical field [0001] The invention relates to an oil viscosity reducer, in particular to a viscosity reducer for quenching oil in an ethylene plant. Background technique [0002] Usually within a certain range, the temperature rises, the distance between liquid molecules increases, the attraction force between molecules decreases, the intramolecular friction force decreases, and the viscosity decreases. But for the quenching oil, because it contains a large amount of indenes or cycloolefin compounds, it is very easy to cause free radicals under the action of oxygen, high temperature and metal ions, and it is very easy to polymerize. After the polymerization reaction, the average molecular weight of the liquid becomes larger, and the attraction force between molecules increases. At this time, although the distance between molecules increases and the attraction force between molecules decreases due to the increase in temperature, the overall result is that the viscosity stil...

Claims

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Application Information

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IPC IPC(8): C10M137/04
Inventor 黎益观程珠龙史美红吴斌黎益明沈华英袁晓健
Owner 上海良田化工有限公司
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