CN106947557A - A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof - Google Patents
A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof Download PDFInfo
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- CN106947557A CN106947557A CN201710278231.2A CN201710278231A CN106947557A CN 106947557 A CN106947557 A CN 106947557A CN 201710278231 A CN201710278231 A CN 201710278231A CN 106947557 A CN106947557 A CN 106947557A
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- diesel oil
- polymethylacrylic acid
- pour point
- acid high
- reducer composition
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Classifications
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- 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
-
- 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
- C10L1/1915—Esters ester radical containing compounds; ester ethers; carbonic acid esters complex esters (at least 3 ester bonds)
-
- 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
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/026—Specifically adapted fuels for internal combustion engines for diesel engines, e.g. automobiles, stationary, marine
-
- 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
- C10L2300/00—Mixture of two or more additives covered by the same group of C10L1/00 - C10L1/308
- C10L2300/40—Mixture of four or more components
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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)
- Liquid Carbonaceous Fuels (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof.The raw material of the polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition of the present invention is calculated by mass percentage, is made up of 0~15% diester of polymethylacrylic acid ten, 10~30% ester of polymethylacrylic acid 14,20%~60% polymethylacrylic acid hexadecyl ester, 0~25% Polystearylmethacrylate and 0~10% acetate esters organic solvent.A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition of the present invention is added in commercially available 0# diesel oil, cold filter plugging point can be made to reduce by 6~13 DEG C, condensation point reduces by 10~19 DEG C；The advantages of pour point reducer composition of the present invention has performance stabilization, dispersed strong and excellent result, can effectively improve the low temperature flow of diesel oil.
Description
Technical field
Present invention relates particularly to a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof, category
In biomass energy additive technology field.
Background technology
Commercially available 0# diesel oil is a kind of a kind of light oil for abstracting from crude oil out, the mixing containing multi-component complex hydro carbons
Thing, it contains more n-alkane, and its n-alkane carbon number is mainly distributed on C10~C22Between.Diesel oil is always for I
The important energy source of state's vehicle, ship and industry, but in northern China and some cold districts, with the reduction of temperature, diesel oil
Middle n-alkane is easily crystallized and constantly separated out, assembles, and reduces the low temperature flow of diesel oil, when it is applied to Diesel engine
When, engine pipeline road and filter can be blocked, cause engine flame-out phenomenon occur.
By constantly studying discovery, addition diesel pour inhibitor can improve diesel low-temperature liquidity, and it is a kind of addition
On a small quantity with regard to the additive of cold filter point of diesel oil and condensation point can be significantly reduced.There are many kinds currently in diesel pour inhibitor, mainly
There are polymethacrylate, plastic of poly vinyl acetate class, maleic acid anhydride etc..Polymethacrylate pour-point depressant conduct
A kind of relatively good diesel pour inhibitor, but it is single to be constrained to its structure, it is impossible to meet the various carbon atoms of 0# diesel oil and mainly divide
The n-alkane of cloth, therefore can be compounded various polymethylacrylic acid high-carbon esters pour-point depressants, obtain one kind and be directed to
The pour point reducer composition of the n-alkane crystallization of various carbon atoms, can effectively improve n-alkane knot in diesel oil inside diesel oil
Brilliant the problem of.In addition, being compounded using acetate esters organic solvent with polymethylacrylic acid high-carbon esters pour-point depressant is mainly had
Once several advantages：Acetate esters organic solvent is flammable in itself, does not interfere with the burning and exhausting performance of diesel oil；Acetate esters are organic
Nontoxic solvent is harmless and cheap.
The content of the invention
An object of the present invention is to provide a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, the combination
Thing can effectively improve diesel low-temperature liquidity, the application of diesel oil be not limited to low temperature environment.
The second object of the present invention is to provide a kind of above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition
Preparation method, make the development of pour-point depressant more diversified.
Technical solution of the present invention is specifically described as follows.
The present invention provides a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, and its raw material is by mass percentage
Calculate, each component and content are as follows：
Wherein, described acetate esters organic solvent is any in methyl acetate, ethyl acetate or propyl acetate.
In the present invention, composition material is calculated by mass percentage, and each component and content are as follows：
Wherein, described acetate esters organic solvent is any in methyl acetate, ethyl acetate or propyl acetate.
The present invention also provides a kind of preparation method of above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition,
Comprise the following steps that：After each raw material is mixed, 40~80min of ultrasonic disperse at a temperature of 45~55 DEG C produces a kind of poly- first
Base acrylic acid high-carbon esters diesel oil pour point reducer composition.
Compared to the prior art, the beneficial effects of the present invention are：
A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition of the present invention, polymethylacrylic acid high-carbon esters
Pour-point depressant is esters polymer, and molecular weight is big, and same small as the acetate esters organic solvent molecule amount of esters, very easily
It is attached on polymethylacrylic acid high-carbon esters pour point depression agent molecule and is modified, increases its solubility in diesel oil, make it more
It is dispersed in inside diesel oil well, and then plays pour-point depressing process jointly；Polymethacrylate pour point reducer composition is added
During into diesel oil, the carbon number cocrystallization of its several n-alkane more with content in diesel oil makes each high carbon number in diesel oil
N-alkane crystallization behavior change, polymethylacrylic acid high-carbon esters play eutectic effect with diesel wax-crystal molecule, delay just
The crystallization time of structure alkane.In addition, acetate esters organic solvent has good dissolubility, polymethylacrylic acid can be increased high
Solubility of the carbon esters pour-point depressant in diesel oil, improves its scattering problem in diesel oil, it is better dispersed in diesel oil,
The two is complemented each other, and the low temperature flow of diesel oil is improved jointly, and cold filter plugging point can be made to reduce by 6~13 DEG C, and condensation point reduction by 10~
19℃。
Embodiment
Technical scheme is further described with reference to specific embodiment, but the present invention is not limited to
Following embodiments.
The measuring method foundation of condensation point in the present invention《GB510-83 petroleum products questionable points are determined》Carry out, the survey of cold filter plugging point
Amount method foundation《SH/T0248-2006 diesel oil and domestic heating oil cold filter plugging point determination method》Carry out.
Raw material used by the present invention：
Methacrylic acid (analysis is pure) is purchased from safe smooth science and technology；
Lauryl alcohol, tetradecyl alchohol, hexadecanol, octadecyl alcolol (analysis is pure) are purchased from safe smooth science and technology；
Methyl acetate (analysis is pure) is purchased from safe smooth science and technology；
0# diesel oil is purchased from company of Shanghai Songjiang gas station.
Embodiment 1
A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, its raw material is calculated by mass percentage, each group
Divide and content is as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
A kind of preparation method of above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, step is as follows：
After each raw material is mixed a kind of polymethylacrylic acid is produced after the carry out ultrasonic disperse 50min at 50 DEG C of ultrasonic wave
High-carbon esters diesel oil pour point reducer composition.
Application of the above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition in commercially available 0# diesel pour inhibitors,
Calculate in mass ratio, i.e. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition：Commercially available 0# diesel oil is 1:100 ratio,
Polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition is added in commercially available 0# diesel oil, after tested the cold filter plugging point of diesel oil
For -3 DEG C, condensation point is -9 DEG C, and the cold filter plugging point relative to 0# diesel oil reduces 11 DEG C, and condensation point reduces 17 DEG C.
Embodiment 2
A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, its raw material is calculated by mass percentage, each group
Divide and content is as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
A kind of preparation method of above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, step is as follows：
After each raw material is mixed a kind of polymethylacrylic acid is produced after the carry out ultrasonic disperse 50min at 50 DEG C of ultrasonic wave
High-carbon esters diesel oil pour point reducer composition.
Application of the above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition in commercially available 0# diesel pour inhibitors,
Calculate in mass ratio, i.e. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition：Commercially available 0# diesel oil is 1:100 ratio,
Polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition is added in commercially available 0# diesel oil, after tested the cold filter plugging point of diesel oil
For -3 DEG C, condensation point is -9 DEG C, and the cold filter plugging point relative to 0# diesel oil reduces 6 DEG C, and condensation point reduces 10 DEG C.
Embodiment 3
A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, its raw material is calculated by mass percentage, each group
Divide and content is as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
A kind of preparation method of above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, step is as follows：
After each raw material is mixed a kind of polymethylacrylic acid is produced after the carry out ultrasonic disperse 50min at 50 DEG C of ultrasonic wave
High-carbon esters diesel oil pour point reducer composition.
Application of the above-mentioned polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition in commercially available 0# diesel pour inhibitors,
Calculate in mass ratio, i.e. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition：Commercially available 0# diesel oil is 1:100 ratio,
Polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition is added in commercially available 0# diesel oil, after tested the cold filter plugging point of diesel oil
For -3 DEG C, condensation point is -9 DEG C, and the cold filter plugging point relative to 0# diesel oil reduces 13 DEG C, and condensation point reduces 19 DEG C.
In summary, a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition of the invention is contained therein gathers
Methylacrylic acid high carbon ester class pour-point depressant plays pour-point depressing process jointly with acetate esters organic solvent.On the one hand, polymethyl
Sour high-carbon esters pour-point depressant can make the n-alkane crystallization behavior change of each high carbon number in diesel oil, polymethylacrylic acid high-carbon ester
Class plays eutectic effect with diesel wax-crystal molecule, delays the crystallization time of n-alkane.In addition, acetate esters organic solvent has
There is good dissolubility, solubility of the polymethylacrylic acid high-carbon esters pour-point depressant in diesel oil can be increased, improve it in bavin
Scattering problem in oil, makes it be better dispersed in diesel oil, the two complements each other, and the low temperature flow of diesel oil is improved jointly
Property, therefore the low temperature flow of diesel oil further improved.
The above is only the basic explanation under present inventive concept, and according to technical scheme done it is any etc.
Effect conversion, all should belong to protection scope of the present invention.
Claims (6)
1. a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition, it is characterised in that its raw material is by mass percentage
Calculate, each component and content are as follows：
Wherein, described acetate esters organic solvent is any in methyl acetate, ethyl acetate or propyl acetate.
2. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition according to claim 1, it is characterised in that it is former
Material is calculated by mass percentage, and each component and content are as follows：
Wherein, described acetate esters organic solvent is any in methyl acetate, ethyl acetate or propyl acetate.
3. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition according to claim 1, it is characterised in that it is former
Material is calculated by mass percentage, and each component and content are as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
4. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition according to claim 1, it is characterised in that it is former
Material is calculated by mass percentage, and each component and content are as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
5. polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition according to claim 1, it is characterised in that it is former
Material is calculated by mass percentage, and each component and content are as follows：
Wherein, described acetate esters organic solvent is methyl acetate.
6. a kind of preparation of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition according to one of claim 1-5
Method, it is characterised in that comprise the following steps that：By each raw material mix after, at a temperature of 45~55 DEG C ultrasonic disperse 40~
80min, produces a kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710278231.2A CN106947557A (en) | 2017-04-25 | 2017-04-25 | A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof |
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| CN201710278231.2A CN106947557A (en) | 2017-04-25 | 2017-04-25 | A kind of polymethylacrylic acid high-carbon esters diesel oil pour point reducer composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739633A (en) * | 2017-11-24 | 2018-02-27 | 广西丰泰能源科技有限公司 | Reduce the additive of bio-fuel condensation point |
| CN112610898A (en) * | 2020-12-16 | 2021-04-06 | 德仕能源科技集团股份有限公司 | Methacrylate pour point depressant and preparation method thereof |
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| CN102634390A (en) * | 2012-04-24 | 2012-08-15 | 上海应用技术学院 | Acetate solvent based diesel oil pour point depressant, preparation method and application thereof |
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2017
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Patent Citations (5)
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| US20110162262A1 (en) * | 2009-11-24 | 2011-07-07 | Caroline Nicola Orlebar | Fuel formulations |
| CN102634390A (en) * | 2012-04-24 | 2012-08-15 | 上海应用技术学院 | Acetate solvent based diesel oil pour point depressant, preparation method and application thereof |
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739633A (en) * | 2017-11-24 | 2018-02-27 | 广西丰泰能源科技有限公司 | Reduce the additive of bio-fuel condensation point |
| CN112610898A (en) * | 2020-12-16 | 2021-04-06 | 德仕能源科技集团股份有限公司 | Methacrylate pour point depressant and preparation method thereof |
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Application publication date: 20170714 |