CN111718768A - Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof - Google Patents
Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof Download PDFInfo
- Publication number
- CN111718768A CN111718768A CN202010479857.1A CN202010479857A CN111718768A CN 111718768 A CN111718768 A CN 111718768A CN 202010479857 A CN202010479857 A CN 202010479857A CN 111718768 A CN111718768 A CN 111718768A
- Authority
- CN
- China
- Prior art keywords
- pour point
- point depressant
- depressant composition
- polar nitrogen
- diesel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/14—Use of additives to fuels or fires for particular purposes for improving low temperature properties
- C10L10/16—Pour-point depressants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
- C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Lubricants (AREA)
Abstract
The invention relates to a polar nitrogen-containing diesel pour point depressant composition, and a preparation method and application thereof, wherein the diesel pour point depressant composition comprises the following components in percentage by weight: 10-40% of triethanolamine; span 8010-40%; 0-20% of fatty alcohol-polyoxyethylene ether; 40-60% of N-phenyl methacrylamide-tetradecyl methacrylate. Compared with the prior art, the invention can improve the dispersibility of the pour point depressant in the 0# diesel sold in the market, and can reduce the condensation point by 22-26 ℃ and the cold filter plugging point by 8-12 ℃.
Description
Technical Field
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 preparation and application thereof.
Background
The cold filter performance improver for diesel oil is one important fuel additive in diesel oil production. It can change the low-temperature flowing property of diesel oil obviously, broaden the distillation range of diesel oil, raise diesel oil yield and quality, and has important significance in increasing the economic benefit of oil refinery. The research on diesel pour point depressants began in the domestic from 60 s, but there were some problems in the early development work: firstly, the index for measuring the performance of the diesel oil is only one of the condensation point, and secondly, the domestic developed varieties mainly adopt imitation as the main part, and have the problems of strong dependence on the diesel oil and poor sensitivity. The existing diesel oil pour point depressant mainly takes a single polymethacrylic acid higher alcohol ester product as a main component, and the pour point depressant has the defects of insufficient cold filter plugging point reduction effect and the like in actual use.
Disclosure of Invention
The invention aims to provide a polar nitrogen-containing diesel pour point depressant composition, and a preparation method and application thereof, so as to solve the problems of insufficient cold filter plugging point reduction effect and large using amount, reduce the interfacial surface tension and improve the low-temperature fluidity of diesel.
In the polar nitrogen-containing diesel pour point depressant composition, the N-phenyl methacrylamide-tetradecyl methacrylate plays a role of a main agent, the cold filter plugging point of the diesel is obviously reduced through the effects of eutectic crystal and adsorption, the auxiliary agent span 80, triethanolamine and fatty alcohol-polyoxyethylene ether are good surfactants, and the polar nitrogen-containing diesel pour point depressant composition is simple in preparation process, convenient to operate and obvious in effect.
The purpose of the invention can be realized by the following technical scheme:
one of the technical schemes of the invention provides a polar nitrogen-containing diesel pour point depressant composition, which comprises the following components in percentage by weight:
furthermore, the N-phenyl methacrylamide-tetradecyl methacrylate is obtained by reacting N-phenyl methacrylamide and tetradecyl methacrylate under the conditions that toluene is used as a solvent and benzoyl peroxide is used as an initiator. Further, the molar ratio of N-phenyl methacrylamide to tetradecyl methacrylate was 1: 10. Furthermore, the reaction temperature is 120 ℃ and the reaction time is 8 h.
Further, the polar nitrogen-containing diesel pour point depressant composition consists of the following components in percentage by weight:
the second technical scheme of the invention provides a preparation method of the polar nitrogen-containing diesel pour point depressant composition, which comprises the steps of weighing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether according to a metering ratio, mixing and stirring uniformly, and performing ultrasonic dispersion to obtain a target product.
Further, the temperature of mixing and stirring is 20-30 ℃, and the time of ultrasonic dispersion is 10-20 min.
The third technical scheme of the invention provides the application of the polar nitrogen-containing diesel pour point depressant composition, and when the polar nitrogen-containing diesel pour point depressant composition is used, the polar nitrogen-containing diesel pour point depressant composition is added into diesel oil, mixed and stirred uniformly, and then subjected to ultrasonic dispersion to complete the preparation.
Further, the mass ratio of the polar nitrogen-containing diesel pour point depressant composition to the diesel is 1: 100-1000.
Further, the temperature of mixing and stirring is 30-45 ℃, and the time of ultrasonic dispersion is 30 min.
Compared with the prior art, the invention has the following advantages:
(1) the N-phenyl methacrylamide-tetradecyl methacrylate plays a role of a main agent, the cold filter plugging point of the diesel oil is obviously reduced through the effects of eutectic crystal and adsorption, and the auxiliary agent span 80, triethanolamine and fatty alcohol-polyoxyethylene ether are good surfactants, so that the surface tension of an interface is reduced, and the interface is better dispersed.
(2) The preparation method only needs to carry out ultrasonic dispersion on an ultrasonic processor, and has the advantages of simple preparation process, convenient operation and obvious effect.
(3) The dispersibility of the pour point depressant in the 0# diesel sold in the market can be improved, the condensation point of the pour point depressant can be reduced by 22-26 ℃, and the cold filter plugging point can be reduced by 8-12 ℃.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The method for measuring the cold filter plugging point is carried out according to SH/T0248-2006 method for measuring the cold filter plugging point of diesel oil and civil heating oil, and the method for measuring the condensation point is carried out according to GB510-83 method for measuring the condensation point of petroleum products.
The raw materials used in the invention are as follows:
the N-phenyl methacrylamide-tetradecyl methacrylate is obtained by reacting N-phenyl methacrylamide and tetradecyl methacrylate at a monomer molar ratio of 1:10 at a reaction temperature of 120 ℃, toluene as a solvent and benzoyl peroxide as an initiator for 8 hours.
The remainder, unless otherwise indicated, are all conventional commercial materials or conventional processing techniques in the art.
Example 1
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The condensation point and cold filter plugging point of a commercial 0# diesel fuel containing the diesel pour point depressant composition obtained in example 1 above were tested to decrease by 26 ℃ and 12 ℃ respectively.
Example 2
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The commercial 0# diesel fuel containing the diesel pour point depressant composition of example 2 was tested for a 25 c and 11 c reduction in cold set point and cold set point, respectively.
Example 3
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The commercial 0# diesel fuel containing the diesel pour point depressant composition obtained in example 3 above was tested for 24 ℃ and 10 ℃ reduction in cold set point and cold filter plugging point, respectively.
Example 4
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The commercial 0# diesel fuel containing the diesel pour point depressant composition of example 4 above was tested for a 23 ℃ reduction in freezing point and a 9 ℃ reduction in cold filter plugging point, respectively.
Example 5
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The condensation point and cold filter plugging point of a commercial 0# diesel fuel containing the diesel pour point depressant composition obtained in example 5 above were tested to decrease by 22 ℃ and 11 ℃ respectively.
Example 6
A pour point depressant composition for diesel oil is prepared by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, and comprises the following raw materials in percentage by mass:
the application of the pour point depressant composition of the diesel oil in the pour point depression of the diesel oil is as follows: the diesel oil is preferably 1:200 in mass ratio, 0.1% of the diesel oil pour point depressant composition is added into 60g of Songjiang No. 0 diesel oil at the temperature of 50 ℃, mixed and stirred uniformly, and ultrasonically dispersed for 15min to obtain the diesel oil containing the diesel oil pour point depressant composition.
The condensation point and cold filter plugging point of a commercial 0# diesel fuel containing the diesel pour point depressant composition obtained in example 5 above were tested to decrease by 22 ℃ and 10 ℃ respectively.
Comparative example 1
The N-phenyl methacrylamide-tetradecyl methacrylate pour point depressant used in the embodiment 1 is not mixed with triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether for use, and is directly added into 60g of Songjiang No. 0 diesel oil according to the mass of 0.1% for being mixed and stirred uniformly at the temperature of 50 ℃, ultrasonic dispersion is carried out for 15min, and the condensation point and the cold filter plugging point of the Songjiang No. 0 diesel oil added with the pour point depressant are respectively reduced by 18 ℃ and 6 ℃ after tests.
By comparing the above examples with comparative example 1, it can be seen that the diesel pour point depressant composition formed by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether, namely, the solubility and dispersibility of the pour point depressant in diesel oil are improved by the solvent, the pour point depressing effect of the pour point depressant is improved by the synergistic effect of the pour point depressant, and the low-temperature fluidity of the diesel oil is improved.
Comparative example 2
Preferably, the application of the commercially available polymethyl methacrylate ester pour point depressant T1804 in diesel pour point depression is adopted, the ratio of the pour point depressant to the diesel is calculated according to the mass ratio, preferably 1:200, the diesel pour point depressant composition is added into 60g of Songjiang No. 0 diesel according to the mass ratio of 0.1%, the mixture is uniformly mixed and stirred at the temperature of 50 ℃, and then ultrasonic dispersion is carried out for 15min, thus obtaining the diesel containing the diesel pour point depressant composition.
The condensation point and cold filter plugging point of the commercial 0# diesel fuel containing the diesel fuel pour point depressant composition obtained in comparative example 2 above were tested to be reduced by 19 c and 6 c, respectively.
By comparing the above examples with comparative example 2, it can be seen that the diesel pour point depressant composition formed by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether has stronger sensitivity to diesel and better pour point depressing effect.
Comparative example 3:
compared with example 1, the process is mostly the same except that span 80 is changed into triethanolamine of equal quality.
The commercial 0# diesel fuel containing the diesel pour point depressant composition of comparative example 3 was tested to reduce the freezing point and cold filter plugging point by 17 deg.C and 6 deg.C, respectively.
By comparing the above examples with comparative example 1, it can be seen that the diesel pour point depressant composition formed by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether has stronger sensitivity to diesel and better pour point depressing effect.
Comparative example 4:
compared with the embodiment 1, the method is mostly the same except that the triethanolamine is changed into the fatty alcohol-polyoxyethylene ether with equal mass.
The commercial 0# diesel fuel containing the diesel pour point depressant composition of comparative example 4 was tested to reduce the freezing point and cold filter plugging point by 17 deg.C and 5 deg.C, respectively.
By comparing the above examples with comparative example 1, it can be seen that the diesel pour point depressant composition formed by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether has stronger sensitivity to diesel and better pour point depressing effect.
Comparative example 5:
compared with the embodiment 1, the method is mostly the same except that the fatty alcohol-polyoxyethylene ether is changed into the span 80 with equal mass.
The commercial 0# diesel fuel containing the diesel pour point depressant composition of comparative example 5 above was tested to reduce the freezing point and cold filter plugging point by 16 c and 5 c, respectively.
By comparing the above examples with comparative example 1, it can be seen that the diesel pour point depressant composition formed by mixing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether has stronger sensitivity to diesel and better pour point depressing effect.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The polar nitrogen-containing diesel pour point depressant composition is characterized by comprising the following components in percentage by weight:
2. the polar nitrogen-containing diesel pour point depressant composition of claim 1, wherein the N-phenyl methacrylamide-tetradecyl methacrylate is obtained by reacting N-phenyl methacrylamide and tetradecyl methacrylate in the presence of toluene as a solvent and benzoyl peroxide as an initiator.
3. The polar nitrogen-containing diesel pour point depressant composition of claim 2, wherein the molar ratio of N-phenyl methacrylamide to tetradecyl methacrylate is 1: 10.
4. The polar nitrogen-containing diesel pour point depressant composition of claim 2, wherein the reaction temperature is 120 ℃ and the reaction time is 8 hours.
5. The polar nitrogen-containing diesel pour point depressant composition of claim 1, wherein the polar nitrogen-containing diesel pour point depressant composition is composed of the following components in percentage by weight:
6. the preparation method of the polar nitrogen-containing diesel pour point depressant composition according to any one of claims 1 to 5, wherein the target product is obtained by weighing N-phenyl methacrylamide-tetradecyl methacrylate, triethanolamine, span 80 and fatty alcohol-polyoxyethylene ether according to a metering ratio, mixing and stirring uniformly, and performing ultrasonic dispersion.
7. The method for preparing the polar nitrogen-containing diesel pour point depressant composition according to claim 6, wherein the mixing and stirring temperature is 20-30 ℃, and the ultrasonic dispersion time is 10-20 min.
8. The use of the polar nitrogen-containing diesel pour point depressant composition according to any one of claims 1 to 5, wherein in use, the polar nitrogen-containing diesel pour point depressant composition is added to diesel oil, mixed and stirred uniformly, and then subjected to ultrasonic dispersion to complete the process.
9. The use of the polar nitrogen-containing diesel fuel pour point depressant composition according to claim 8, wherein the mass ratio of the polar nitrogen-containing diesel fuel pour point depressant composition to the diesel fuel is 1: 100-1000.
10. The use of the polar nitrogen-containing diesel pour point depressant composition according to claim 8, wherein the mixing and stirring temperature is 30-45 ℃ and the ultrasonic dispersion time is 30 min.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479857.1A CN111718768B (en) | 2020-05-30 | 2020-05-30 | Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof |
| IE20210114U IES87311Y1 (en) | 2020-05-30 | 2021-05-27 | Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479857.1A CN111718768B (en) | 2020-05-30 | 2020-05-30 | Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111718768A true CN111718768A (en) | 2020-09-29 |
| CN111718768B CN111718768B (en) | 2022-07-08 |
Family
ID=72565482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010479857.1A Active CN111718768B (en) | 2020-05-30 | 2020-05-30 | Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111718768B (en) |
| IE (1) | IES87311Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150848A (en) * | 2021-04-27 | 2021-07-23 | 上海应用技术大学 | Benzene ring-containing biodiesel pour point depressant composition, and preparation and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289760A (en) * | 2013-05-16 | 2013-09-11 | 黄河三角洲京博化工研究院有限公司 | Pour point depressant for diesel oil |
-
2020
- 2020-05-30 CN CN202010479857.1A patent/CN111718768B/en active Active
-
2021
- 2021-05-27 IE IE20210114U patent/IES87311Y1/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289760A (en) * | 2013-05-16 | 2013-09-11 | 黄河三角洲京博化工研究院有限公司 | Pour point depressant for diesel oil |
Non-Patent Citations (1)
| Title |
|---|
| SUYA YIN ET AL.: "Influence of Tetradecyl Methacrylate-N-α-methacrylamide Copolymers as Pour Point Depressants on the Cold Flow Property of Diesel Fuel", 《ENERGY & FUELS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150848A (en) * | 2021-04-27 | 2021-07-23 | 上海应用技术大学 | Benzene ring-containing biodiesel pour point depressant composition, and preparation and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| IE20210114U1 (en) | 2022-07-06 |
| IES87311Y1 (en) | 2022-07-06 |
| CN111718768B (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104232050A (en) | Compound oil-soluble viscosity reducer for reducing viscosity of thickened oil and preparation method of compound oil-soluble viscosity reducer | |
| CN110295070B (en) | Compound diesel pour point depressant and preparation method and application thereof | |
| CN109053951B (en) | Diesel oil pour point depressant composition, preparation method and application thereof | |
| CN110172366B (en) | Ternary polymer biodiesel pour point depressant, preparation and application thereof | |
| CN110540879B (en) | Diesel oil pour point depressant composition and preparation method and application thereof | |
| CN111718768B (en) | Polar nitrogen-containing diesel pour point depressant composition and preparation and application thereof | |
| CN104356296B (en) | A kind of aminolysis type polymer and preparation method thereof and application | |
| CN110093193B (en) | Compound diesel pour point depressant and preparation method and application thereof | |
| CN105801765A (en) | Preparation method of anti-segregation type polycarboxylic acid water reducer of concrete | |
| WO2013075300A1 (en) | Copolymer for use in low-temperature diesel fluidity improving agent and method for synthesizing the copolymer | |
| CN110591779A (en) | High-efficiency biodiesel pour point depressant composition and preparation method and application thereof | |
| CN110564459A (en) | Diesel oil pour point depressant containing nonionic surfactant and preparation and application thereof | |
| CN104774659A (en) | Pour point depressant composition of biodiesel for bus and preparation method of pour point depressant composition | |
| CN105567354A (en) | Dispersant for coal water slurry and preparation method thereof | |
| US11999919B2 (en) | Nitrogen-containing diesel solidification point depressant composition, and preparation and application thereof | |
| CN110437898B (en) | Ternary polymer composite diesel pour point depressant and preparation method and application thereof | |
| CN114015483A (en) | Ternary composite biodiesel pour point depressant and preparation and application thereof | |
| CN114369198B (en) | 3-benzoyl ethyl acrylate diesel pour point depressant, diesel pour point depressant composition, preparation and application | |
| CN110184101B (en) | Pour point depressant composition for diesel oil and preparation method and application thereof | |
| CN111704942B (en) | Diesel oil pour point depressant composition containing surfactant and preparation and application thereof | |
| CN113248647B (en) | Preparation method of concrete rheological agent | |
| CN108219079B (en) | Polycarboxylic acid water reducing agent, and preparation method and use method thereof | |
| CN110564465B (en) | Diesel oil pour point depressant and preparation method and application thereof | |
| CN111471127B (en) | Amidated binary polymer diesel pour point depressant and preparation and application thereof | |
| CN110527569A (en) | One kind diesel pour inhibitor of Compositional type containing EVA and its preparation and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |