CN109135846A - A kind of broad spectrum type diesel oil pour point reducer composition, preparation method and applications - Google Patents

A kind of broad spectrum type diesel oil pour point reducer composition, preparation method and applications Download PDF

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Publication number
CN109135846A
CN109135846A CN201811042311.9A CN201811042311A CN109135846A CN 109135846 A CN109135846 A CN 109135846A CN 201811042311 A CN201811042311 A CN 201811042311A CN 109135846 A CN109135846 A CN 109135846A
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diesel oil
pour point
broad spectrum
point reducer
reducer composition
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薛原
解麦莹
杜葩
杨志强
周明安
韩生
蔺华林
陈凤飞
廉翔
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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
    • C10L1/02Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
    • 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
    • C10L1/16Hydrocarbons
    • 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
    • C10L1/16Hydrocarbons
    • C10L1/1608Well defined compounds, e.g. hexane, benzene
    • 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
    • C10L1/198Macromolecular 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
    • 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
    • C10L1/2222(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
    • 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
    • C10L10/00Use of additives to fuels or fires for particular purposes
    • C10L10/14Use of additives to fuels or fires for particular purposes for improving low temperature properties

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

Abstract

The invention discloses a kind of broad spectrum type diesel oil pour point reducer compositions, preparation method and applications.Pour point reducer composition of the invention is composed of the following components: benzyl methacrylate-tetradecyl methylacrylate copolymer 30-80%, hydrocarbon oil 10-40%, 1- methyl naphthalene 5-50% and polarity nitrogenous compound 5-30%;It is uniformly mixed by each material composition by scheduled mass percent to obtain the final product.Diesel oil pour point reducer composition of the invention can be quickly dissolved in diesel oil, and broad spectrum activity is strong, while it is applied to all have significant depression effeCt in different diesel oil, so that condensation point and cold filter plugging point reduce 21-26 DEG C and 8-12 DEG C respectively.

Description

A kind of broad spectrum type diesel oil pour point reducer composition, preparation method and applications
Technical field
The present invention relates to a kind of broad spectrum type diesel oil pour point reducer compositions, preparation method and applications, belong to oil property and change Into technical field.
Background technique
Diesel oil is a kind of oils, mainly comprising n-alkane, alkene and aromatic hydrocarbon etc..Wherein, n-alkane Fusing point it is relatively high, easily crystallization or gelation blocking diesel engine oil pipeline and strainer, is easy to cause diesel engine under low temperature It is flame-out.Therefore, low temperature fluidity becomes an important factor for limitation diesel oil at low-temperature environment service condition.
It is one of simple, economic, efficient means for improving diesel oil at low-temperature performance of one kind that diesel pour inhibitor, which is added,.It is general logical The effects of crossing nucleation, eutectic, solubilising or absorption achievees the purpose that pour point depression.Most of pour point depression agent molecules are high molecular polymer, by In its solubility in diesel oil, dispersion degree, polarity the problems such as, single macromolecule can not often play scheduled pour point depression effect Fruit.It is therefore preferable that specific aromatic naphtha, synthetic ester, polar compound etc. are used as cosolvent and dispersing agent, it is multiple with high molecular polymer With synergistic effect, means, while the depression effeCt of effectively enhancing diesel oil can be improved with extreme enrichment diesel low-temperature liquidity.
Further, since diesel oil is the complex mixture being cut into from crude oil, different sources, different cutting boiling range productions Diesel oil its contain cycloalkane, alkyl wax, alkene, colloid, pitch and oxygen-containing, nitrogen, there are larger differences for the components such as sulphur non-hydrocarbons Different, there are a great differences for different model and same model different batches diesel oil group Chengdu, thus diesel pour inhibitor has diesel oil There is very strong selectivity, i.e., a kind of pour-point depressant has good depression effeCt to certain diesel oil, but may be to another diesel oil Depression effeCt is poor or even has no effect.So studying the diesel pour inhibitor of broad spectrum type for cost efficiency, raising using energy source Efficiency etc. is of great significance.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of combinations of broad spectrum type diesel pour inhibitor Object, preparation method and applications.Broad spectrum type diesel oil pour point reducer composition of the invention has to diesel oil sensitivity good, broad spectrum activity By force, the advantages that preparation method is simple, depression effeCt is significant.
Technical solution of the present invention is specifically described as follows.
A kind of broad spectrum type diesel oil pour point reducer composition, by mass percentage, composed of the following components:
The above gross mass meets 100%;
Wherein:
The hydrocarbon oil is any one in hydrogen direct liquefying diesel oil of coal, D140 aromatic naphtha or D170 aromatic naphtha selected from adding Kind;
The polarity nitrogenous compound is any in triethanolamine, isopropanolamine, triethylamine or dimethylethanolamine It is a kind of.
It is by mass percentage, composed of the following components in the present invention::
The above gross mass meets 100%.
The present invention also provides a kind of preparation methods of above-mentioned broad spectrum type diesel oil pour point reducer composition, by taking methyl-prop Olefin(e) acid benzyl ester-tetradecyl methylacrylate copolymer, aromatic hydrocarbon, 1- methyl naphthalene and polarity nitrogenous compound are mixed to get in proportion Broad spectrum type diesel oil pour point reducer composition.
The present invention further provides a kind of application of above-mentioned broad spectrum type diesel oil pour point reducer composition in 0# diesel oil pour point depression, Application method is as follows: being 1:1000~1:200 by the mass ratio of diesel oil pour point reducer composition and 0# diesel oil, by diesel pour inhibitor group After conjunction object is added in 0# diesel oil mixing at room temperature, ultrasonic disperse 10-20min.
In the present invention, 0# diesel oil is south bridge 0# diesel oil, Songjiang 0# diesel oil or bay 0# diesel oil.
Compared to the prior art, the beneficial effects of the present invention are:
A kind of broad spectrum type diesel oil pour point reducer composition of the invention, benzyl methacrylate-metering system contained therein Sour 14 ester bipolymers play main pour-point depressing process in diesel oil;Hydrocarbon oil and 1- methyl naphthalene are to methacrylate Polymer has preferable dissolubility, is allowed to be uniformly dispersed in diesel oil;Pour-point depressant pole can be enhanced in polarity nitrogenous compound Property, improve its dispersibility in diesel oil.Distinct fragrance hydrocarbon ils, methyl naphthalene and polarity nitrogenous compound are cooperateed with pour-point depressant ingredient Effect, so that methacrylate copolymer all has good dissolubility and dispersibility, Jin Erzeng in different type diesel oil Pour point reducer composition is added finally to show skill more better than the prior art to the sensitivity and general applicability of different type diesel oil Art effect.
Further, a kind of high-efficiency broad-spectrum diesel oil pour point reducer composition of the invention can make its cold commercially available 0# diesel oil Condensation point reduces 21-26 DEG C, 8-12 DEG C of cold filter plugging point reduction, i.e. depression effeCt is better than commercially available pour-point depressant.
Specific embodiment
Technical solution of the present invention is further described below with reference to specific embodiment, but the present invention is not limited to Following embodiments.
The measurement method of cold filter plugging point is according to " SH/T0248-2006 diesel oil and the measurement of domestic heating oil cold filter plugging point in the present invention Method " it carries out, the measurement method of condensation point is carried out according to " measurement of GB510-83 petroleum products questionable points ".
Embodiment 1
A kind of broad spectrum type diesel oil pour point reducer composition, is calculated by mass percentage, and raw material composition and content are as follows:
Benzyl methacrylate-tetradecyl methylacrylate copolymer 80%
Hydrocarbon oil 10%
1- methyl naphthalene 5%
Polarity nitrogenous compound 5%
Wherein, the hydrocarbon oil is D170 aromatic naphtha;
The polarity nitrogenous compound is triethanolamine;
The benzyl methacrylate-tetradecyl methylacrylate copolymer is by benzyl methacrylate and methyl-prop 14 ester of olefin(e) acid is in monomer mole ratio 1:10, and reaction temperature is 120 DEG C, and toluene makees solvent, and benzoyl peroxide is initiator, warp Spending the 8h reaction time is prepared.
A kind of above-mentioned high-efficiency broad-spectrum diesel oil pour point reducer composition is added separately to diesel oil 3:1000 in mass ratio After being mixed evenly in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil, after tested, add south bridge 0# diesel oil, pine after agent The condensation point of river 0# diesel oil and bay 0# diesel oil reduces by 26 DEG C respectively, 25 DEG C and 25 DEG C, cold filter plugging point reduce respectively 12 DEG C, 11 DEG C and 10℃。
Comparative example 1
It is added 100% benzyl methacrylate-tetradecyl methylacrylate copolymer as pour-point depressant in diesel oil, drop Solidifying agent and diesel oil 3:1000 in mass ratio, are added separately to mix in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil and stir After mixing uniformly, after tested, the condensation point of south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil after agent is added to reduce by 21 DEG C respectively, 20 DEG C and 19 DEG C, cold filter plugging point reduces by 8 DEG C, 6 DEG C and 6 DEG C respectively.
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
It is compared by above-mentioned comparative example 1 and embodiment 1, it can be seen that benzyl methacrylate-metering system Sour 14 ester bipolymers play main pour-point depressing process in diesel oil;Hydrocarbon oil, 1- methyl naphthalene and the nitrogenous chemical combination of polarity Pour-point depressant polarity can be enhanced in object, improves its dispersibility and dissolubility in diesel oil, is allowed to be uniformly dispersed in diesel oil, into And various ingredients synergistic effect is played, the methacrylate copolymer is further enhanced to the depression effeCt of diesel oil, and Preferable depression effeCt is all had to different classes of diesel oil.
Embodiment 2
A kind of broad spectrum type diesel oil pour point reducer composition, is calculated by mass percentage, and raw material composition and content are as follows:
Benzyl methacrylate-tetradecyl methylacrylate copolymer 70%
Hydrocarbon oil 15%
1- methyl naphthalene 10%
Polarity nitrogenous compound 5%
Wherein, the hydrocarbon oil is D170 aromatic naphtha;
The polarity nitrogenous compound is triethanolamine;
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
A kind of above-mentioned high-efficiency broad-spectrum diesel oil pour point reducer composition is added separately to diesel oil 3:1000 in mass ratio After being mixed evenly in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil, after tested, add south bridge 0# diesel oil, pine after agent The condensation point of river 0# diesel oil and bay 0# diesel oil reduces by 24 DEG C, 23 DEG C and 23 DEG C respectively, cold filter plugging point reduce respectively 11 DEG C, 10 DEG C and 10℃。
Comparative example 2
Bavin is added in 100% commercially available polymethacrylate pour-point depressant T6012 (Jinzhou Bai Te Chemical Co., Ltd.) In oil, pour-point depressant and diesel oil 3:1000 in mass ratio are added separately in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil After being mixed evenly, after tested, the condensation point of south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil after agent is added to reduce respectively 20 DEG C, 14 DEG C and 16 DEG C, cold filter plugging point reduces by 5 DEG C, 2 DEG C and 4 DEG C respectively.
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
It is compared by above-mentioned comparative example 2 and embodiment 2, it can be seen that although commercially available polymethacrylate Pour-point depressant T6012 has certain depression effeCt to the three kinds of 0# diesel oil enumerated, but its pour point depression for being played different diesel oil Effect illustrates that it has selectivity to institute's diesel oil to be used, i.e., broad spectrum activity is poor there are larger difference;In addition, depression effeCt Lower than pour point reducer composition of the invention in embodiment 2, therefore, illustrate pour point depression system of the invention compared to commercial product broad spectrum activity Preferably.
Embodiment 3
A kind of broad spectrum type diesel oil pour point reducer composition, is calculated by mass percentage, and raw material composition and content are as follows:
Benzyl methacrylate-tetradecyl methylacrylate copolymer 60%
Hydrocarbon oil 20%
1- methyl naphthalene 15%
Polarity nitrogenous compound 5%
Wherein, the hydrocarbon oil is D140 aromatic naphtha;
The polarity nitrogenous compound is triethanolamine;
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
A kind of above-mentioned high-efficiency broad-spectrum diesel oil pour point reducer composition is added separately to diesel oil 3:1000 in mass ratio After being mixed evenly in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil, after tested, add south bridge 0# diesel oil, pine after agent The condensation point of river 0# diesel oil and bay 0# diesel oil reduces by 23 DEG C respectively, 23 DEG C and 22 DEG C, cold filter plugging point reduce respectively 10 DEG C, 10 DEG C and 9℃。
Embodiment 4
A kind of composition of broad spectrum type diesel pour inhibitor, is calculated by mass percentage, and raw material composition and content are as follows:
Benzyl methacrylate-tetradecyl methylacrylate copolymer 50%
Hydrocarbon oil 20%
1- methyl naphthalene 20%
Polarity nitrogenous compound 10%
Wherein, the hydrocarbon oil is D140 aromatic naphtha;
The polarity nitrogenous compound is isopropanolamine;
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
A kind of above-mentioned high-efficiency broad-spectrum diesel oil pour point reducer composition is added separately to diesel oil 3:1000 in mass ratio After being mixed evenly in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil, after tested, add south bridge 0# diesel oil, pine after agent The condensation point of river 0# diesel oil and bay 0# diesel oil reduces by 22 DEG C respectively, and 22 DEG C and 21 DEG C, cold filter plugging point reduces by 9 DEG C, 9 DEG C and 10 respectively ℃。
Embodiment 5
A kind of broad spectrum type diesel oil pour point reducer composition, is calculated by mass percentage, and raw material composition and content are as follows:
Benzyl methacrylate-tetradecyl methylacrylate copolymer 40%
Hydrocarbon oil 40%
1- methyl naphthalene 15%
Polarity nitrogenous compound 5%
Wherein, the hydrocarbon oil is to add hydrogen direct liquefying diesel oil of coal;
The polarity nitrogenous compound is triethylamine;
The preparation method is the same as that of Example 1 for tetradecyl methylacrylate copolymer for the benzyl methacrylate-.
A kind of above-mentioned high-efficiency broad-spectrum diesel oil pour point reducer composition is added separately to diesel oil 3:1000 in mass ratio After being mixed evenly in south bridge 0# diesel oil, Songjiang 0# diesel oil and bay 0# diesel oil, after tested, add south bridge 0# diesel oil, pine after agent The condensation point of river 0# diesel oil and bay 0# diesel oil reduces by 22 DEG C respectively, and 21 DEG C and 21 DEG C, cold filter plugging point reduces by 9 DEG C, 8 DEG C and 8 respectively ℃。
In conclusion a kind of high-efficiency broad-spectrum diesel oil pour point reducer composition of the invention, methacrylic acid in the composition Benzyl ester-tetradecyl methylacrylate bipolymer plays main pour-point depressing process in diesel oil;Hydrocarbon oil, 1- methyl naphthalene and Pour-point depressant polarity can be enhanced in polarity nitrogenous compound, improves its dispersibility and dissolubility in diesel oil, is allowed to uniformly divide It is dispersed in diesel oil, and then plays various ingredients synergistic effect, further enhance the methacrylate copolymer to diesel oil Depression effeCt, and preferable depression effeCt is all had to different classes of diesel oil, reduce its condensation point and cold filter plugging point by 21-26 respectively DEG C and 8-12 DEG C, the depression effeCt of gained pour point reducer composition is better than commercially available pour-point depressant.
Above content is only the basic explanation under present inventive concept, and that technical solution according to the present invention is done is any etc. Effect transformation, is within the scope of protection of the invention.

Claims (5)

1. a kind of broad spectrum type diesel oil pour point reducer composition, which is characterized in that by mass percentage, composed of the following components:
The above gross mass meets 100%;
Wherein:
The hydrocarbon oil is selected from any one added in hydrogen direct liquefying diesel oil of coal, D140 aromatic naphtha or D170 aromatic naphtha;
Any one of the polarity nitrogenous compound in triethanolamine, isopropanolamine, triethylamine or dimethylethanolamine.
2. broad spectrum type diesel oil pour point reducer composition as described in claim 1, which is characterized in that by mass percentage, by Following components composition:
The above gross mass meets 100%.
3. a kind of preparation method of broad spectrum type diesel oil pour point reducer composition as claimed in claim 1 or 2, which is characterized in that take Benzyl methacrylate-tetradecyl methylacrylate copolymer, aromatic hydrocarbon, 1- methyl naphthalene and polarity nitrogenous compound mix in proportion It closes, obtains broad spectrum type diesel oil pour point reducer composition.
4. a kind of application of broad spectrum type diesel oil pour point reducer composition as claimed in claim 1 or 2 in 0# diesel oil pour point depression, special Sign is that application method is as follows: being 1:1000~1:200 by the mass ratio of diesel oil pour point reducer composition and 0# diesel oil, by diesel oil After pour point reducer composition is added in 0# diesel oil mixing at room temperature, ultrasonic disperse 10-20min.
5. application as claimed in claim 4, which is characterized in that 0# diesel oil is south bridge 0# diesel oil, Songjiang 0# diesel oil or bay 0# Diesel oil.
CN201811042311.9A 2018-09-07 2018-09-07 A kind of broad spectrum type diesel oil pour point reducer composition, preparation method and applications Pending CN109135846A (en)

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CN110144247A (en) * 2019-06-18 2019-08-20 上海应用技术大学 A kind of oil property modifier and its preparation and application
CN110257116A (en) * 2019-07-19 2019-09-20 上海应用技术大学 A kind of diesel oil pour point reducer composition and its preparation method and application
CN110283272A (en) * 2019-06-06 2019-09-27 上海应用技术大学 A kind of application method of the bipolymer containing phenyl ring
CN110437900A (en) * 2019-07-19 2019-11-12 上海应用技术大学 A kind of surfactant compound pour-point depressant and its preparation method and application
CN110437898A (en) * 2019-07-19 2019-11-12 上海应用技术大学 A kind of ter-polymers compound diesel pour-point depressant and its preparation method and application
CN111676074A (en) * 2020-05-30 2020-09-18 上海应用技术大学 Nitrogen-containing diesel pour point depressant composition and preparation and application thereof
CN111704942A (en) * 2020-05-20 2020-09-25 上海应用技术大学 Diesel oil pour point depressant composition containing surfactant and preparation and application thereof
CN112877108A (en) * 2021-01-21 2021-06-01 上海应用技术大学 Biodiesel pour point depressant composition and preparation method and application thereof
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
CN113201372A (en) * 2021-04-27 2021-08-03 上海应用技术大学 Naphthalene-containing diesel pour point depressant composition and preparation and application thereof

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110283272A (en) * 2019-06-06 2019-09-27 上海应用技术大学 A kind of application method of the bipolymer containing phenyl ring
CN110283272B (en) * 2019-06-06 2021-11-12 上海应用技术大学 Application method of benzene ring-containing binary copolymer
CN110144247A (en) * 2019-06-18 2019-08-20 上海应用技术大学 A kind of oil property modifier and its preparation and application
CN110257116A (en) * 2019-07-19 2019-09-20 上海应用技术大学 A kind of diesel oil pour point reducer composition and its preparation method and application
CN110437900A (en) * 2019-07-19 2019-11-12 上海应用技术大学 A kind of surfactant compound pour-point depressant and its preparation method and application
CN110437898A (en) * 2019-07-19 2019-11-12 上海应用技术大学 A kind of ter-polymers compound diesel pour-point depressant and its preparation method and application
CN111704942A (en) * 2020-05-20 2020-09-25 上海应用技术大学 Diesel oil pour point depressant composition containing surfactant and preparation and application thereof
CN111676074A (en) * 2020-05-30 2020-09-18 上海应用技术大学 Nitrogen-containing diesel pour point depressant composition and preparation and application thereof
WO2021244385A1 (en) * 2020-05-30 2021-12-09 上海应用技术大学 Nitrogen-containing diesel pour point depressant composition and preparation and use thereof
US20230220292A1 (en) * 2020-05-30 2023-07-13 Shanghai Institute Of Technology Nitrogen-containing Diesel Solidification Point Depressant Composition, and Preparation and Application Thereof
US11999919B2 (en) * 2020-05-30 2024-06-04 Shanghai Institute Of Technology Nitrogen-containing diesel solidification point depressant composition, and preparation and application thereof
CN112877108A (en) * 2021-01-21 2021-06-01 上海应用技术大学 Biodiesel pour point depressant composition and preparation method and application thereof
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
CN113201372A (en) * 2021-04-27 2021-08-03 上海应用技术大学 Naphthalene-containing diesel pour point depressant composition and preparation and application thereof

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