CN110295070A - A kind of Compositional type diesel pour inhibitor and its preparation method and application - Google Patents

A kind of Compositional type diesel pour inhibitor and its preparation method and application Download PDF

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Publication number
CN110295070A
CN110295070A CN201910517904.4A CN201910517904A CN110295070A CN 110295070 A CN110295070 A CN 110295070A CN 201910517904 A CN201910517904 A CN 201910517904A CN 110295070 A CN110295070 A CN 110295070A
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pour
point depressant
caprolactam
compositional type
point
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CN110295070B (en
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韩生
杨太顺
陈凤飞
解麦莹
殷素雅
薛原
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Shanghai Institute of Technology
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/04Liquid carbonaceous fuels essentially based on blends of hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/19Esters ester radical containing compounds; ester ethers; carbonic acid esters
    • C10L1/1915Esters ester radical containing compounds; ester ethers; carbonic acid esters complex esters (at least 3 ester bonds)
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/195Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/196Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof
    • C10L1/1963Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof mono-carboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/22Organic compounds containing nitrogen
    • C10L1/222Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/224Amides; Imides carboxylic acid amides, imides

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Liquid Carbonaceous Fuels (AREA)

Abstract

The present invention relates to a kind of Compositional type diesel pour inhibitors and its preparation method and application, it is prepared using the raw material of following components and weight percent content: sorbester p17 10~40%, EVA pour-point depressant 30~40%, tetradecyl methylacrylate-N- caprolactam pour-point depressant 30~60%, above-mentioned raw materials directly mix to arrive diesel oil pour point reducer composition according to mass ratio.Composition is added in Songjiang 0# diesel oil according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min.Compared with prior art, the present invention through detection highest can diesel oil condensation point reduce 15-17 DEG C, cold filter plugging point reduce 7-14 DEG C.

Description

A kind of Compositional type diesel pour inhibitor and its preparation method and application
Technical field
The invention belongs to diesel pour inhibitor technical fields, more particularly, to a kind of Compositional type diesel pour inhibitor and its preparation side Method and application.
Background technique
Diesel pour inhibitor is also known as cold flow improver, since diesel oil is to the sensitivity of pour-point depressant and the n-alkane of diesel oil It is related.Dewaxing device is established in the measure for improving diesel low-temperature liquidity at present, and secondary processing diesel oil is added to reconcile and be added low temperature Flow improving agent.
Pour-point depressant compounding form includes the compounding between pour-point depressant, compounding between pour-point depressant and surfactant, pour point depression Compounding between agent and some solvents.The pour-point depressant studied at present has ethylene-vinyl acetate class pour-point depressant, maleic acid anhydride drop Solidifying agent, the other forms such as esters of acrylic acid pour-point depressant.Single polymers pour-point depressant effect is not too much ideal, develops Compositional type pour point depression Agent is the measure for improving diesel low-temperature liquidity most effective at present.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of Compositional type diesel oil to drop Solidifying agent and its preparation method and application, may make that the cold filter plugging point of diesel oil and cold filter plugging point are obviously improved.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of Compositional type diesel pour inhibitor, is prepared using the raw material of following components and weight percent content:
Sorbester p17 10~40%
EVA pour-point depressant 30~40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 30~60%.
It is preferred that the raw material of following components and weight percent content is prepared:
Sorbester p17 20%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 50%.
It is preferred that the raw material of following components and weight percent content is prepared:
Sorbester p17 20%
EVA pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%.
It is preferred that the raw material of following components and weight percent content is prepared:
Sorbester p17 30%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%.
It is preferred that the raw material of following components and weight percent content is prepared:
Sorbester p17 10%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 60%.
It is preferred that the raw material of following components and weight percent content is prepared:
Sorbester p17 40%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 30%.
The preparation method of Compositional type diesel pour inhibitor, comprising:
It is in molar ratio 9:1 mixed methyl tetradecyl acrylate and N- caprolactam, is added in toluene solvant, Under conditions of the benzoyl peroxide of reactant gross mass 0.9% makees initiator, reacts 9 hours, obtain at 110~130 DEG C Tetradecyl methylacrylate-N- caprolactam pour-point depressant;
Each raw material is mixed with to obtain Compositional type diesel pour inhibitor according to formula.
Compositional type diesel pour inhibitor is added in diesel oil, 20~50 DEG C of 20~40min of ultrasonic disperse in diesel oil.
Content of the Compositional type diesel pour inhibitor in diesel oil is 0.1~0.2wt%.
The diesel oil is Songjiang 0# diesel oil or 0# petrifaction diesel.
Compared with prior art, the present invention may make that the cold filter plugging point of diesel oil and condensation point are obviously improved, and highest can bavin The condensation point of oil reduces 15-17 DEG C, 7-14 DEG C of cold filter plugging point reduction.Sorbester p17 surfactant polar groups and wax crystal phase interaction With having better peptizaiton to wax crystalline substance;EVA pour-point depressant can by being acted on the raw absorption of wax trichite in diesel oil, eutectic, from And inhibit the precipitation of wax crystalline substance;Tetradecyl methylacrylate-N- caprolactam pour-point depressant has impression well to diesel oil Property, long alkyl chain matches with the n-alkane carbochain in diesel oil, according to carbochain matching principle, pour-point depressant and wax crystal phase interaction With significant decrease cold filter plugging point;Sorbester p17 surfactant and EVA pour-point depressant have widened tetradecyl methylacrylate-N- vinyl The pour point depression range of caprolactam pour-point depressant, synergistic effect is obvious, significantly improves the low temperature flow of diesel oil.
Detailed description of the invention
Fig. 1 is the nuclear-magnetism figure of tetradecyl methylacrylate-N- caprolactam;
Fig. 2 is the infrared figure of tetradecyl methylacrylate-N- caprolactam.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.
Used each raw material is commercial product in following embodiment.
The measurement method of condensation point is according to " measurement of GB510-83 petroleum products questionable points ", the measurement side of cold filter plugging point in the present invention Method is carried out according to " SH/T0248-2006 diesel oil and domestic heating oil cold filter plugging point measuring method ".
Following embodiment is raw materials used:
0# diesel oil is purchased from Shanghai Songjiang gas station
EVA pour-point depressant is purchased from the smooth Science and Technology Co., Ltd. of upper Haitai
The preparation method of tetradecyl methylacrylate-N- caprolactam pour-point depressant used in following embodiment Are as follows: the tetradecyl methylacrylate and the mixing of N- caprolactam that molar ratio is 9:1 are added in toluene solvant, anti- Under conditions of answering the benzoyl peroxide of object gross mass 0.9% to make initiator, is reacted 9 hours at 120 DEG C, obtain metering system Sour 14 ester-N- caprolactam pour-point depressants.Obtained tetradecyl methylacrylate-N- caprolactam is carried out Nuclear-magnetism and IR Characterization difference are as shown in Figure 1, 2.
Embodiment 1
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 20%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 50%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 120 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in the 0# diesel oil of Songjiang according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 17 DEG C and 11 DEG C respectively.
Embodiment 2
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 20%
EVA pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 120 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in the 0# diesel oil of Songjiang according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 16 DEG C and 14 DEG C respectively.
Embodiment 3
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 30%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 120 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in the 0# diesel oil of Songjiang according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 15 DEG C and 7 DEG C respectively.
Embodiment 4
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 10%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 60%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 120 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in the 0# diesel oil of Songjiang according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 17 DEG C and 9 DEG C respectively.
Embodiment 5
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 40%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 120 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in the 0# diesel oil of Songjiang according to 0.15% quality, 40 DEG C of ultrasonic disperse 30min
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 17 DEG C and 9 DEG C respectively.
When pour-point depressant is compounded with polarity nitrogenous compound, since the polarity in polarity nitrogenous compound plays n-alkane Shielding action so that Compositional type pour-point depressant have the effect of it is best.After tested highest can diesel oil its condensation point 15-17 drops respectively DEG C, cold filter plugging point reduce 7-14 DEG C.
Embodiment 6
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 20%
EVA pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 110 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in 0# petrifaction diesel according to 0.1% quality, 20 DEG C of ultrasonic disperse 40min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 16 DEG C and 14 DEG C respectively.
Embodiment 7
A kind of Compositional type diesel pour inhibitor, is calculated by mass percentage, and each component and content are as follows:
Sorbester p17 30%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam preparation method: the methacrylic acid ten for being 9:1 by molar ratio Four esters and the mixing of N- caprolactam, are added in toluene solvant, in the benzoyl peroxide of reactant gross mass 0.9% Under conditions of making initiator, is reacted 9 hours at 130 DEG C, obtain tetradecyl methylacrylate-N- caprolactam pour point depression Agent.
Sorbester p17, EVA pour-point depressant are directly mixed with tetradecyl methylacrylate-N- caprolactam pour-point depressant, Obtain diesel oil pour point reducer composition.
Composition is added in 0# petrifaction diesel according to 0.15% quality, 50 DEG C of ultrasonic disperse 20min.
The condensation point of commercially available 0# diesel oil obtained in above-described embodiment containing diesel oil pour point reducer composition and cold after tested Filter point reduces by 15 DEG C and 7 DEG C respectively.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention Within protection scope.

Claims (10)

1. a kind of Compositional type diesel pour inhibitor, which is characterized in that prepared using the raw material of following components and weight percent content It obtains:
Sorbester p17 10~40%
EVA pour-point depressant 30~40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 30~60%.
2. a kind of Compositional type diesel pour inhibitor according to claim 1, which is characterized in that preferred following components and weight hundred The raw material than content is divided to be prepared:
Sorbester p17 20%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 50%.
3. a kind of Compositional type diesel pour inhibitor according to claim 1, which is characterized in that preferred following components and weight hundred The raw material than content is divided to be prepared:
Sorbester p17 20%
EVA pour-point depressant 40%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%.
4. a kind of Compositional type diesel pour inhibitor according to claim 1, which is characterized in that preferred following components and weight hundred The raw material than content is divided to be prepared:
Sorbester p17 30%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 40%.
5. a kind of Compositional type diesel pour inhibitor according to claim 1, which is characterized in that preferred following components and weight hundred The raw material than content is divided to be prepared:
Sorbester p17 10%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 60%.
6. a kind of Compositional type diesel pour inhibitor according to claim 1, which is characterized in that preferred following components and weight hundred The raw material than content is divided to be prepared:
Sorbester p17 40%
EVA pour-point depressant 30%
Tetradecyl methylacrylate-N- caprolactam pour-point depressant 30%.
7. such as the preparation method of Compositional type diesel pour inhibitor of any of claims 1-6 characterized by comprising
It is in molar ratio 9:1 mixed methyl tetradecyl acrylate and N- caprolactam, is added in toluene solvant, peroxide Under conditions of change benzoyl makees initiator, is reacted 8~10 hours at 110~130 DEG C, obtain tetradecyl methylacrylate-N- second Alkenyl caprolactam pour-point depressant;
Each raw material is mixed with to obtain Compositional type diesel pour inhibitor according to formula.
8. such as the application of Compositional type diesel pour inhibitor of any of claims 1-6, which is characterized in that by Compositional type bavin Oily pour-point depressant is added in diesel oil, 20~50 DEG C of 20~40min of ultrasonic disperse in diesel oil.
9. a kind of application of Compositional type diesel pour inhibitor according to claim 8, which is characterized in that the Compositional type diesel oil Content of the pour-point depressant in diesel oil is 0.1~0.2wt%.
10. a kind of application of Compositional type diesel pour inhibitor according to claim 8, which is characterized in that the diesel oil is pine River 0# diesel oil or 0# petrifaction diesel.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111269352A (en) * 2020-03-31 2020-06-12 上海应用技术大学 Binary nitrogen-containing polymer diesel pour point depressant and preparation and application thereof
CN111635801A (en) * 2020-05-11 2020-09-08 江苏龙蟠科技股份有限公司 PMMA-containing composite pour point depressant and preparation method and application thereof
CN114031711A (en) * 2021-10-25 2022-02-11 上海应用技术大学 Ternary polymer biodiesel pour point depressant and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103642546A (en) * 2013-11-19 2014-03-19 济南开发区星火科学技术研究院 Diesel oil pour-point and viscosity reducer, and preparation method thereof
CN104204160A (en) * 2012-04-27 2014-12-10 赢创油品添加剂有限公司 Use of cold flow improver compositions for fuels, blends thereof with biofuels and formulations thereof
CN104327213A (en) * 2014-10-15 2015-02-04 山东大学 High wax thickened oil nanocomposite pour-point depressant and preparation method thereof
CN106635201A (en) * 2016-10-27 2017-05-10 深圳市广昌达石油添加剂有限公司 Wax crystal dispersing agent, diesel oil pour point depressant prepared via complex preparation of wax crystal dispersing agent, and application method of diesel oil pour point depressant
CN110753707A (en) * 2017-06-07 2020-02-04 罗地亚经营管理公司 Polymer dispersions for wax inhibition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104204160A (en) * 2012-04-27 2014-12-10 赢创油品添加剂有限公司 Use of cold flow improver compositions for fuels, blends thereof with biofuels and formulations thereof
CN103642546A (en) * 2013-11-19 2014-03-19 济南开发区星火科学技术研究院 Diesel oil pour-point and viscosity reducer, and preparation method thereof
CN104327213A (en) * 2014-10-15 2015-02-04 山东大学 High wax thickened oil nanocomposite pour-point depressant and preparation method thereof
CN106635201A (en) * 2016-10-27 2017-05-10 深圳市广昌达石油添加剂有限公司 Wax crystal dispersing agent, diesel oil pour point depressant prepared via complex preparation of wax crystal dispersing agent, and application method of diesel oil pour point depressant
CN110753707A (en) * 2017-06-07 2020-02-04 罗地亚经营管理公司 Polymer dispersions for wax inhibition

Cited By (3)

* Cited by examiner, † Cited by third party
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CN111269352A (en) * 2020-03-31 2020-06-12 上海应用技术大学 Binary nitrogen-containing polymer diesel pour point depressant and preparation and application thereof
CN111635801A (en) * 2020-05-11 2020-09-08 江苏龙蟠科技股份有限公司 PMMA-containing composite pour point depressant and preparation method and application thereof
CN114031711A (en) * 2021-10-25 2022-02-11 上海应用技术大学 Ternary polymer biodiesel pour point depressant and preparation method thereof

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