Oil performance improver, and preparation method and application thereof

A technology of improver and performance, applied in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of insignificant pour point depressing effect, poor susceptibility of 0# diesel oil, etc., to improve low temperature flow performance, enhance solubility, Obvious effect

Inactive Publication Date: 2019-08-20
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the purposes of the present invention is to provide a performance improver for diesel oil, which is used to solve the above-mentioned ethylene-vinyl acetates that have poor sensitivity to 0# diesel oil and the...

Method used

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  • Oil performance improver, and preparation method and application thereof
  • Oil performance improver, and preparation method and application thereof
  • Oil performance improver, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A kind of oil performance improver, by mass percentage, it is made up of following components:

[0044]

[0045] The preparation method of the described oil performance improver is as follows: benzyl methacrylate-tetradecyl methacrylate copolymer, ethyl acetoacetate, dimethyl phthalate and cyclohexane in proportion at 25°C Mix and stir evenly at a certain temperature, and ultrasonically disperse for 20 minutes to obtain the oil performance improver.

[0046] For the application of the above-mentioned oil performance improver in diesel oil pour point depressing, the oil performance improver is added to 60 g of Songjiang 0# diesel oil in a mass of 0.1%, and after mixing and stirring at a temperature of 50°C, ultrasonically disperses for 15 minutes, namely Diesel oil containing the diesel oil pour point depressant composition is obtained.

[0047] The condensation point and cold filter point of the commercially available 0# diesel containing the above-mentioned oil per...

Embodiment 2

[0049] A kind of oil performance improver, by mass percentage, it is made up of following components:

[0050]

[0051] The preparation method of the described oil performance improver is as follows: benzyl methacrylate-tetradecyl methacrylate copolymer, ethyl acetoacetate, dimethyl phthalate and cyclohexane in proportion at 25°C Mix and stir evenly at a certain temperature, and ultrasonically disperse for 20 minutes to obtain the oil performance improver.

[0052] For the application of the above-mentioned oil performance improver in diesel oil pour point depressing, the oil performance improver is added to 60 g of Songjiang 0# diesel oil in a mass of 0.1%, and after mixing and stirring at a temperature of 50°C, ultrasonically disperses for 15 minutes, namely The diesel oil containing the diesel oil point depressant composition is obtained.

[0053] The condensation point and cold filter point of the commercially available 0# diesel oil containing the above-mentioned diesel...

Embodiment 3

[0055] A kind of oil performance improver, by mass percentage, it is made up of following components:

[0056]

[0057] The preparation method of the described oil performance improver is as follows: benzyl methacrylate-tetradecyl methacrylate copolymer, ethyl acetoacetate, dimethyl phthalate and cyclohexane in proportion at 25°C Mix and stir evenly at a certain temperature, and ultrasonically disperse for 20 minutes to obtain the oil performance improver.

[0058] For the application of the above-mentioned oil performance improver in diesel oil pour point depressing, the oil performance improver is added to 60 g of Songjiang 0# diesel oil in a mass of 0.1%, and after mixing and stirring at a temperature of 50°C, ultrasonically disperses for 15 minutes, namely The diesel oil containing the diesel oil point depressant composition is obtained.

[0059] The condensation point and cold filter point of the commercially available 0# diesel oil containing the above-mentioned dies...

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Abstract

The invention provides an oil performance improver. The oil performance improver comprises, by mass, 40-60% of benzyl methacrylate-tetradecyl methacrylate and 25-70% of a solvent; and the solvent is composed of 20-40% of dimethyl phthalate and 5-20% of cyclohexane, or the solvent is composed of 10-30% of n-butyl acetate, 5-20% of polyethylene glycol 200 and 10-20% of propylene glycol block polyether. The above diesel pour point depressant composition of the invention can effectively enhance the solubility of a pour point depressant in diesel, reduce the cost of the pour point depressant and effectively improve the low-temperature flow performance of the diesel.

Description

technical field [0001] The invention relates to an oil performance improver, a preparation method and application thereof, and belongs to the technical field of oil performance improvement. Background technique [0002] At present, the supply of diesel in my country is seriously insufficient, especially the demand for low freezing point diesel is more urgent. Low-temperature fluidity is an important condition for the use of low-condensation-point diesel, which is related to the content of n-alkanes in diesel, and pour point depressant is one of the most effective methods to improve low-temperature fluidity of diesel. Diesel pour point depressant, also known as low-temperature flow modifier, is an additive used continuously when blending diesel, which can keep diesel fluidity at lower temperatures. The pour point depressant has the advantages of economy, convenience, greenness and effectiveness, so it has become the first choice to improve the low temperature fluidity of die...

Claims

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Application Information

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IPC IPC(8): C10L1/196C10L1/19C10L1/16C10L1/198C10L10/14
CPCC10L1/1608C10L1/18C10L1/19C10L1/1905C10L1/1963C10L1/1985C10L10/14C10L2270/026C10L2290/24C10L2290/34C10L2300/20
Inventor 蔺华林解麦莹殷素雅薛原陈凤飞杨太顺韩生卢德力李原婷黄燕山
Owner SHANGHAI INST OF TECH
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