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Nano compound pour point depressant and preparation method thereof

A nano-composite, pour point depressant technology, used in fuel additives, petroleum industry, liquid carbon-containing fuels, etc., can solve the problems of blocking the engine oil pipeline and filter, and the engine cannot work normally, and achieves widening the crystallization temperature range, reducing the temperature. Excellent coagulation effect and surface energy reduction effect

Inactive Publication Date: 2016-09-28
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the winter in northern my country and some cold regions, since diesel oil is a mixture containing multi-component complex hydrocarbons, wax crystals will be precipitated when the temperature drops. structure, blocking the engine oil pipeline and filter, so that the engine cannot work normally

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A novel nanocomposite pour point depressant prepared by a method comprising the following steps:

[0027] (1) A certain amount of nano-montmorillonite and hexadecyltrimethylammonium bromide are subjected to an organic modification reaction at 80°C under water as a solvent to obtain an organically modified montmorillonite;

[0028] (2) Place the organically modified nano-montmorillonite material and the polymer pour point depressant in a flask, and react at 120° C. for 3 hours by a melt blending method to obtain a novel nanocomposite pour point depressant;

[0029] The amount of polymer pour point depressant used in the above-mentioned reaction, organically modified nano-montmorillonite is calculated by mass ratio, that is, polymer pour point depressant: organically modified nano-montmorillonite is 2:1;

[0030] The polymer pour point depressant is polyethylene-vinyl acetate pour point depressant T1804;

[0031] The above-mentioned nanocomposite pour point depressant is...

Embodiment 2

[0038] A novel nanocomposite pour point depressant prepared by a method comprising the following steps:

[0039] (1) A certain amount of nano-montmorillonite and hexadecyltrimethylammonium bromide are subjected to an organic modification reaction at 80°C under water as a solvent to obtain an organically modified montmorillonite;

[0040] (2) Place the organically modified nano-montmorillonite material and the polymer pour point depressant in a flask, and react at 120° C. for 3 hours by a melt blending method to obtain a novel nanocomposite pour point depressant;

[0041] The amount of polymer pour point depressant used in the above-mentioned reaction, organically modified nano-montmorillonite is calculated by mass ratio, that is, polymer pour point depressant: organically modified nano-montmorillonite is 4:1;

[0042] The polymer pour point depressant is polyethylene-vinyl acetate pour point depressant T1804;

[0043] The above-mentioned nanocomposite pour point depressant is...

Embodiment 3

[0050] A novel nanocomposite pour point depressant prepared by a method comprising the following steps:

[0051] (1) A certain amount of nano-montmorillonite and hexadecyltrimethylammonium bromide are subjected to an organic modification reaction at 80°C under water as a solvent to obtain an organically modified montmorillonite;

[0052] (2) Place the organically modified nano-montmorillonite material and the pour point depressant in a flask, and react at 120° C. for 3 hours by a melt blending method to obtain a novel nanocomposite pour point depressant;

[0053]The amount of polymer pour point depressant used in the above-mentioned reaction, organically modified nano-montmorillonite is calculated by mass ratio, that is, polymer pour point depressant: organically modified nano-montmorillonite is 4:1;

[0054] The polymer pour point depressant is polymethacrylate pour point depressant 10-330;

[0055] The above-mentioned nanocomposite pour point depressant is preferably added ...

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PUM

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Abstract

The invention discloses a nano compound pour point depressant and a preparation method thereof. The nano compound pour point depressant disclosed by the invention is compounded from a nano material and a polymer pour point depressant by a melting and blending method. A montmorillonite nano material modified by cetyl trimethylammonium bromide is compounded with the polymer pour point depressant in a certain mass ratio by adopting the melting and blending method so as to obtain the nano compound pour point depressant. The pour point depression effect of the nano compound pour point depressant is further enhanced on the basis of pour point depression of the original pour point depressant. When the nano compound pour point depressant is applied to 0# diesel oil, the pour point depression effect is superior to that of a commercially available pour point depressant, and the cold filter plugging point and the condensation point are respectively reduced by 12-20 DEG C and 18-26 DEG C.

Description

technical field [0001] The invention specifically relates to a nanocomposite pour point depressant and a preparation method thereof, belonging to the technical field of biomass energy additives. Background technique [0002] With the continuous development of the world economy, human beings have an increasing demand for energy, and petrochemical diesel has become the energy that people rely on for survival. However, in the winter in northern my country and some cold regions, since diesel oil is a mixture containing multi-component complex hydrocarbons, wax crystals will be precipitated when the temperature drops. structure, blocking the engine oil pipeline and filter, so that the engine cannot work normally. [0003] In recent years, with the development of nanotechnology, polymer / inorganic nanocomposites and inorganic nanohybrid materials have become the research hotspots of scholars at home and abroad. By introducing inorganic nanoparticles into polymer materials, its per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/196C10L1/197C10L1/12C10L1/222C10L10/14
CPCC10L1/143C10L1/10C10L1/106C10L1/12C10L1/1963C10L1/1973C10L1/2222C10L10/14
Inventor 韩生赵志成薛原蔺华林韩治亚许广文陈达明周嘉伟刘平廉翔陈红艳陈子奇
Owner SHANGHAI INST OF TECH
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