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A kind of polar nitrogen-containing diesel pour point depressant composition and its preparation and application

A technology of diesel pour point depressant and composition, which is applied in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of insufficient cold filter point reduction effect and large dosage, and achieve surface tension reduction, convenient operation, and improved Dispersion effect

Active Publication Date: 2022-07-08
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of polar nitrogen-containing diesel oil pour point depressant composition and its preparation and application, to solve the above-mentioned problems of insufficient cold filter point reduction effect and large dosage, the composition makes the interface surface Reduced tension can improve the low temperature fluidity of diesel

Method used

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  • A kind of polar nitrogen-containing diesel pour point depressant composition and its preparation and application
  • A kind of polar nitrogen-containing diesel pour point depressant composition and its preparation and application
  • A kind of polar nitrogen-containing diesel pour point depressant composition and its preparation and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A diesel pour point depressant composition is prepared by mixing N-phenylmethacrylamide-tetradecyl methacrylate, triethanolamine, Span 80 and fatty alcohol polyoxyethylene ether. The composition and content of raw materials are as follows:

[0029]

[0030] The application of the above-mentioned diesel pour point depressant composition in diesel oil pour point depressant, the ratio of diesel oil pour point depressant composition: diesel oil, calculated by mass ratio, is preferably 1:200, and the diesel pour point depressant composition is 0.1% The mass ratio of 0.0% was added to 60g of Songjiang 0# diesel oil at a temperature of 50°C, mixed and stirred evenly, and ultrasonically dispersed for 15min to obtain diesel oil containing the diesel pour point depressant composition.

[0031] After testing, the condensation point and cold filter point of the commercial 0# diesel oil containing the above diesel pour point depressant composition obtained in the above Example 1 ...

Embodiment 2

[0033] A diesel pour point depressant composition is prepared by mixing N-phenylmethacrylamide-tetradecyl methacrylate, triethanolamine, Span 80 and fatty alcohol polyoxyethylene ether. The composition and content of raw materials are as follows:

[0034]

[0035] The application of the above-mentioned diesel pour point depressant composition in diesel oil pour point depressant, the ratio of diesel oil pour point depressant composition: diesel oil, calculated by mass ratio, is preferably 1:200, and the diesel pour point depressant composition is 0.1% The mass ratio of 0.0% was added to 60g of Songjiang 0# diesel oil at a temperature of 50°C, mixed and stirred evenly, and ultrasonically dispersed for 15min to obtain diesel oil containing the diesel pour point depressant composition.

[0036] After testing, the condensation point and cold filter point of the commercial 0# diesel oil containing the above diesel pour point depressant composition obtained in the above Example 2 ...

Embodiment 3

[0038] A diesel pour point depressant composition is prepared by mixing N-phenylmethacrylamide-tetradecyl methacrylate, triethanolamine, Span 80 and fatty alcohol polyoxyethylene ether. The composition and content of raw materials are as follows:

[0039]

[0040] The application of the above-mentioned diesel pour point depressant composition in diesel oil pour point depressant, the ratio of diesel oil pour point depressant composition: diesel oil, calculated by mass ratio, is preferably 1:200, and the diesel pour point depressant composition is 0.1% The mass ratio of 0.0% was added to 60g of Songjiang 0# diesel oil at a temperature of 50°C, mixed and stirred evenly, and ultrasonically dispersed for 15min to obtain diesel oil containing the diesel pour point depressant composition.

[0041] After testing, the condensation point and cold filter point of the commercial 0# diesel oil containing the above diesel pour point depressant composition obtained in the above Example 3 ...

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Abstract

The invention relates to a polar nitrogen-containing diesel pour point depressant composition and its preparation and application. The diesel pour point depressant composition is composed of the following components in weight percentage: triethanolamine 10-40%; Span 80 10- 40%; fatty alcohol polyoxyethylene ether 0-20%; N-phenylmethacrylamide-tetradecyl methacrylate 40-60%. Compared with the prior art, the invention can improve the dispersibility of the pour point depressant in the commercial 0# diesel oil, and can reduce the condensation point by 22-26°C and the cold filter point by 8-12°C.

Description

technical field [0001] The invention belongs to the technical field of diesel pour point depressants, and relates to a polar nitrogen-containing diesel pour point depressant composition and its preparation and application. Background technique [0002] Diesel cold filtration performance improver is an important fuel additive in diesel production. It can significantly change the low-temperature flow properties of diesel oil, thereby broadening the distillation range of diesel oil, increasing the yield of diesel oil, and improving the quality of diesel oil, which is of great significance for increasing the economic benefits of oil refineries. Domestic research on diesel pour point depressants began in the 1960s, but there were some problems in the early development work: First, the indicator for measuring diesel performance was only the pour point in the past, and second, the domestically developed varieties were still mainly imitations. There is a problem of strong dependenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/19C10L1/198C10L1/222C10L1/224C10L10/16
CPCC10L1/143C10L10/16C10L1/2225C10L1/1985C10L1/224C10L1/19
Inventor 蔺华林殷素雅李欣袁铭霞解麦莹陈凤飞杨太顺韩生
Owner SHANGHAI INST OF TECH
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