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Benzene ring-containing biodiesel pour point depressant composition as well as preparation and application thereof

A biodiesel and pour point depressant technology, which is applied in biofuel, petroleum industry, fuel additives, etc., can solve the problems of poor susceptibility of biodiesel and inconspicuous pour point depressant effect, and achieve convenient operation, enhanced pour point depressant effect, and obvious effect Effect

Pending Publication Date: 2021-07-23
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used to solve the problems of poor susceptibility to biodiesel and unobvious pour point depressing effect. The composition can effectively inhibit the growth and aggregation of crystals by changing the crystallization behavior of biodiesel, and has the advantages of low production cost, obvious effect, and easy operation. It is an effective method to improve the low temperature performance of biodiesel

Method used

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  • Benzene ring-containing biodiesel pour point depressant composition as well as preparation and application thereof
  • Benzene ring-containing biodiesel pour point depressant composition as well as preparation and application thereof
  • Benzene ring-containing biodiesel pour point depressant composition as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] A kind of biodiesel pour point depressant composition, is formed by mixing polytetradecyl methacrylate-styrene methacrylate, Span 80, ethanolamine and fatty alcohol polyoxyethylene ether (400), calculated by mass percentage , its raw material composition and content are as follows:

[0073]

[0074] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0075] The condensation point and the cold filter point of the biodiesel obtained in Example 1 containing the biodiesel pour point depressant composition were ...

Embodiment 2

[0077] A kind of biodiesel pour point depressant composition, is formed by mixing polytetradecyl methacrylate-styrene methacrylate, Span 80, ethanolamine and fatty alcohol polyoxyethylene ether (400), calculated by mass percentage , its raw material composition and content are as follows:

[0078]

[0079] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0080] The condensation point and cold filter point of the commercially available biodiesel containing the biodiesel pour point depressant composition obtained...

Embodiment 3

[0082] A kind of biodiesel pour point depressant composition, is formed by mixing polytetradecyl methacrylate-styrene methacrylate, Span 80, ethanolamine and fatty alcohol polyoxyethylene ether (400), calculated by mass percentage , its raw material composition and content are as follows:

[0083]

[0084] The application of the above-mentioned point-point depressant composition of biodiesel in biodiesel point-point depressant, the point-point depressant composition of biodiesel: the ratio of biodiesel, calculated by mass ratio, is preferably 1:200, and the point-point depressant of biodiesel The additive composition is added into biodiesel at a temperature of 40° C., mixed and stirred evenly, and ultrasonically dispersed for 25 minutes to obtain biodiesel containing the biodiesel pour point depressant composition.

[0085] The condensation point and the cold filter point of the commercially available biodiesel containing the above-mentioned biodiesel pour point depressant ...

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Abstract

The invention relates to a benzene ring-containing biodiesel pour point depressant composition as well as preparation and an application of the biodiesel pour point depressant composition. The pour point depressant composition is prepared from the following components in percentage by weight: 20 to 60 percent of polytetradecyl methacrylate-styrene methacrylate, 10 to 20 percent of span 80, 10 to 20 percent of ethanolamine and 20 to 40 percent of fatty alcohol-polyoxyethylene ether. Compared with the prior art, the biodiesel pour point depressant composition has the advantages that growth and aggregation of crystals can be effectively inhibited by changing the crystallization behavior of biodiesel, and the low-temperature performance of the biodiesel is effectively improved.

Description

technical field [0001] The invention relates to the technical field of biodiesel pour point depressants, in particular to a benzene ring-containing biodiesel pour point depressant composition and its preparation and application. Background technique [0002] In the process of biodiesel replacing traditional petrochemical diesel, there are huge challenges in the low temperature fluidity of biodiesel. Biodiesel is prone to crystallization at low temperatures, which reduces its applicability. Low-temperature fluidity improver is a kind of oil additive that can improve the crystallization process of wax in oil and lower the freezing point by adding a small amount. It is the lowest production cost, the most flexible and the most promising method for improving the low-temperature fluidity of biodiesel. One of the widest means. [0003] At present, the commonly used diesel pour point depressants at home and abroad mainly include methacrylate, ethylene vinyl acetate, maleic anhydr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/198C10L1/19C10L1/222C10L1/02C10L10/14
CPCC10L1/143C10L1/02C10L10/14C10L1/1983C10L1/19C10L1/2225C10L1/1985C10L2290/24C10L2290/34Y02E50/10
Inventor 蔺华林袁铭霞李欣严春阳陈哲薛原韩生
Owner SHANGHAI INST OF TECH
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