CN105969433A - Nano compound pour point depressant and preparation method thereof - Google Patents
Nano compound pour point depressant and preparation method thereof Download PDFInfo
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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
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
-
- 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
- C10L1/106—Liquid carbonaceous fuels containing additives mixtures of inorganic compounds with organic 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
-
- 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
- C10L1/12—Inorganic 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
- C10L1/192—Macromolecular compounds
- C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/196—Macromolecular 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
- C10L1/1963—Macromolecular 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
-
- 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
- C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/197—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid
- C10L1/1973—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid mono-carboxylic
-
- 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
Abstract
The invention discloses a nano compound pour point depressant and a preparation method thereof. The nano compound pour point depressant disclosed by the invention is compounded from a nano material and a polymer pour point depressant by a melting and blending method. A montmorillonite nano material modified by cetyl trimethylammonium bromide is compounded with the polymer pour point depressant in a certain mass ratio by adopting the melting and blending method so as to obtain the nano compound pour point depressant. The pour point depression effect of the nano compound pour point depressant is further enhanced on the basis of pour point depression of the original pour point depressant. When the nano compound pour point depressant is applied to 0# diesel oil, the pour point depression effect is superior to that of a commercially available pour point depressant, and the cold filter plugging point and the condensation point are respectively reduced by 12-20 DEG C and 18-26 DEG C.
Description
Technical field
Present invention relates particularly to a kind of nano combined pour-point depressant and preparation method thereof, belong to biomass energy additive technology neck
Territory.
Background technology
Along with the development of World Economics, the mankind are increasing to the demand of the energy, and petrifaction diesel has become as people and relies
The energy of existence.But at winter and some cold districts of northern China, owing to diesel oil is a kind of containing multi-component complex hydro carbons
Mixture, wax can be separated out when temperature reduces brilliant, along with the reduction of temperature, wax crystalline substance is on the increase, and ultimately forms three dimensional network
Shape structure, blocks electromotor pipeline road and filter, makes electromotor cisco unity malfunction.
In recent years, along with the development of nanotechnology, Preparing Organic-inorganic Nano Hybrid Material, inorganic nano hybrid material become
The focus of Chinese scholars research.By introduce inorganic nano-particle in the polymeric material, can make its performance (as machinery,
Thermal and magnetic, electricity etc.) it is greatly improved.It addition, nano material is because of its distinctive skin effect, quantum size effect, small size
Effect and macro quanta tunnel effect so that it is have broad application prospects, petrochemical field application nanocatalyst, receive
Rice technology of reservoir sweep etc. all serves good effect.
Though currently for more in the pour-point depressant kind improving diesel low-temperature liquidity, but good pour point depression effect can not be reached
Really, therefore researching and developing a kind of novel pour-point depressant, improving diesel low-temperature liquidity is problem demanding prompt solution.By tradition pour-point depressant
It is combined with emerging nano material, develops a kind of novel nano and be combined pour-point depressant for improving diesel low-temperature liquidity,
Development for diesel pour inhibitor opens a new road.
Summary of the invention
An object of the present invention is to provide one to further enhance depression effeCt on the basis of the pour point depression of common pour-point depressant
Planting novel nano and be combined pour-point depressant, this novel nano is combined pour-point depressant, not only has the depression effeCt of common pour-point depressant, and
It is also equipped with the good characteristic of nano material, provides one at the depression mechanism for diesel oil and more go deep into, recognize intuitively.
The two of the purpose of the present invention are to provide above-mentioned a kind of novel nano and are combined the preparation method of pour-point depressant.
Technical solution of the present invention is specifically described as follows.
The present invention provides the preparation method of a kind of nano combined pour-point depressant, and it is with organic modified nano montmorillonite and polymer pour point depression
Agent is raw material, is prepared by melt-blending process.
In the present invention, the mass ratio of organic modified nano montmorillonite and polymer pour-point depressant is 1:1~1:8.
In the present invention, described organic modified nano montmorillonite is by mixing nanometer Montmorillonitum and cetyl trimethylammonium bromide
In water, carry out reaction at a temperature of 75-85 DEG C and obtain.
In the present invention, the mass ratio of nanometer Montmorillonitum and cetyl trimethylammonium bromide is 1:2.
In the present invention, described polymer pour-point depressant is selected from polymethacrylate pour-point depressant 10-330 or polyethylene-acetic acid second
One or both in alkene esters pour-point depressant T1804.
In the present invention, temperature during melt blending is 120 DEG C.
The present invention also provides for the nano combined pour-point depressant that a kind of above-mentioned preparation method obtains.
Compared to the prior art, the beneficial effects of the present invention is:
A kind of novel nano of the present invention is combined pour-point depressant, and wherein pour-point depressant and organic modified nano montmorillonite play pour point depression jointly
Effect, the nonpolar alkyl chain of pour-point depressant with wax molecular ordered arrangement, can play the effect of certain solubilized wax molecule, change
Property nanometer Montmorillonitum to widen the crystallization temperature of pour-point depressant interval, optimize the eutectic modification performance of pour-point depressant and diesel oil.It addition,
Owing to modified nano montmorillonite has higher surface energy, for maintenance system energy stabilization, adding nano combined pour-point depressant
Diesel oil in the brilliant ratio that trends towards when separating out and assembling of wax add the brilliant greater compactness of arrangement mode of wax in equivalent pure pour-point depressant diesel oil, with
Reduce interfacial area fall low-surface-energy.Compact wax crystalline substance aggregation makes more original wrapped fluid oil be released,
Greatly reduce wax-oil interfacial area, and then when diesel oil is flowed, between wax crystalline substance and liquid diesel, Friction dissipation energy reduces, stream
Dynamic property is improved further.
Further, a kind of novel nano of the present invention is combined pour-point depressant, is applied to 0#In diesel oil, depression effeCt is better than city
Sell pour-point depressant, when the quality of interpolation is the 0.05%-0.3% of diesel oil, its cold filter plugging point and condensation point can be made to reduce 12-20 DEG C respectively
With 18-26 DEG C.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is further described, but the present invention is not limited to following
Embodiment.
In the present invention, the measuring method of condensation point is carried out, the survey of cold filter plugging point according to " GB510-83 petroleum products questionable points mensuration "
Metering method is carried out according to " SH/T0248-2006 diesel oil and domestic heating oil cold filter plugging point algoscopy ".
The present invention is raw materials used:
Montmorillonite (analytical pure) is purchased from safe smooth science and technology;
Cetyl trimethylammonium bromide (analytical pure) is purchased from safe smooth science and technology;
Pour-point depressant is purchased from Shanghai HaiLian Lubrication Materials Science Co., Ltd;
0#Petrifaction diesel is purchased from company of Songjiang, Shanghai gas station.
Embodiment 1
A kind of novel nano is combined pour-point depressant, and it is prepared by a method comprising the following steps and forms:
(1) a certain amount of nanometer Montmorillonitum and cetyl trimethylammonium bromide are under water is solvent, carry out organic changing under the conditions of 80 DEG C
Property reaction, i.e. obtain organically modified montmorillonite clay;
(2) the nanometer Montmorillonitum material after organically-modified and polymer pour-point depressant are placed in flask, use melt-blending process,
React 3 hours at 120 DEG C, obtain a kind of novel nano and be combined pour-point depressant;
Polymer pour-point depressant used by above-mentioned reaction, the amount of organic modified nano montmorillonite, calculate, i.e. polymer in mass ratio
Pour-point depressant: organic modified nano montmorillonite is 2:1;
Described polymer pour-point depressant is EVA class pour-point depressant T1804;
Above-mentioned nano combined pour-point depressant interpolation mass ratio is preferably 0.1%, joins 0#In diesel oil, after tested with 0#Diesel oil
Compare, be combined the cold filter plugging point of pour-point depressant diesel oil containing novel nano and condensation point reduces by 16 DEG C and 22 DEG C respectively.
Comparative examples 1
By polymer pour-point depressant with 0.1% mass ratio and 0#Diesel oil mixes;
Above-mentioned polymer pour-point depressant used is EVA class pour-point depressant T1804;
After tested with 0#Diesel oil is compared, and cold filter plugging point and condensation point containing polymer pour-point depressant diesel oil reduce by 8 DEG C and 13 DEG C respectively.
Contrasted by above-described embodiment 1 and comparative examples 1, it can be seen that be combined the bavin of pour-point depressant containing novel nano
Oil, more preferably, this is combined pour-point depressant mainly due to novel nano is polymer pour-point depressant and nanometer Montmorillonitum material to depression effeCt
Being combined with 2:1 mass ratio, at high temperature, polymer pour-point depressant and nanometer Montmorillonitum both of which reach fusing point, shape simultaneously
Become the molten state material of a kind of mix homogeneously, make novel nano be combined its pour point depression not only with common pour-point depressant of pour-point depressant and imitate
Really, and contained nanometer Montmorillonitum material due to have higher surface can, also can further enhance its depression effeCt.
Embodiment 2
A kind of novel nano is combined pour-point depressant, and it is prepared by a method comprising the following steps and forms:
(1) a certain amount of nanometer Montmorillonitum and cetyl trimethylammonium bromide are under water is solvent, carry out organic changing under the conditions of 80 DEG C
Property reaction, i.e. obtain organically modified montmorillonite clay;
(2) the nanometer Montmorillonitum material after organically-modified and polymer pour-point depressant are placed in flask, use melt-blending process,
React 3 hours at 120 DEG C, obtain a kind of novel nano and be combined pour-point depressant;
Polymer pour-point depressant used by above-mentioned reaction, the amount of organic modified nano montmorillonite, calculate, i.e. polymer in mass ratio
Pour-point depressant: organic modified nano montmorillonite is 4:1;
Described polymer pour-point depressant is EVA class pour-point depressant T1804;
Above-mentioned nano combined pour-point depressant interpolation mass ratio is preferably 0.1%, joins 0#In diesel oil, after tested with 0#Diesel oil
Compare, be combined the cold filter plugging point of pour-point depressant diesel oil containing novel nano and condensation point reduces by 20 DEG C and 26 DEG C respectively.
Comparative examples 2
Polymer pour-point depressant is mixed with diesel oil with the mass ratio of 0.1%;
Above-mentioned polymer pour-point depressant used is EVA class pour-point depressant T1804;
After tested with 0#Diesel oil is compared, and cold filter plugging point and condensation point containing polymer pour-point depressant diesel oil reduce by 8 DEG C and 13 respectively
℃。
Contrasted by above-mentioned comparative examples 2 and Application Example 2, it can be seen that novel nano be combined pour-point depressant for
The depression effeCt of diesel oil is more preferably.In Application Example 2, novel nano is combined pour-point depressant is to be covered de-by polymer pour-point depressant and nanometer
Stone with mass ratio as 4:1 under conditions of be prepared from, the depression effeCt for diesel oil is optimal, and this is primarily due at high temperature,
Polymer pour-point depressant and nanometer Montmorillonitum both of which reach fusing point simultaneously, form the molten state material of a kind of mix homogeneously, the two
Complement each other, jointly play pour-point depressing process, and contained nanometer Montmorillonitum material is owing to having higher surface energy, also can
Further enhance its depression effeCt, therefore reach optimal depression effeCt.
Embodiment 3
A kind of novel nano is combined pour-point depressant, and it is prepared by a method comprising the following steps and forms:
(1) a certain amount of nanometer Montmorillonitum and cetyl trimethylammonium bromide are under water is solvent, carry out organic changing under the conditions of 80 DEG C
Property reaction, i.e. obtain organically modified montmorillonite clay;
(2) the nanometer Montmorillonitum material after organically-modified and pour-point depressant are placed in flask, use melt-blending process, at 120 DEG C
React 3 hours, obtain a kind of novel nano and be combined pour-point depressant;
Polymer pour-point depressant used by above-mentioned reaction, the amount of organic modified nano montmorillonite, calculate, i.e. polymer in mass ratio
Pour-point depressant: organic modified nano montmorillonite is 4:1;
Described polymer pour-point depressant is polymethacrylate pour-point depressant 10-330;
Above-mentioned nano combined pour-point depressant interpolation mass ratio is preferably 0.1%, joins 0#In diesel oil, after tested with 0#Diesel oil
Compare, be combined the cold filter plugging point of pour-point depressant diesel oil containing novel nano and condensation point reduces by 18 DEG C and 24 DEG C respectively.
Comparative examples 3
By polymer pour-point depressant with 0.1% mass ratio and 0#Diesel oil mixes;
Above-mentioned polymer pour-point depressant used is polymethacrylate pour-point depressant 10-330;
After tested with 0#Diesel oil is compared, and cold filter plugging point and condensation point containing polymer pour-point depressant diesel oil reduce by 7 DEG C and 12 DEG C respectively.
Contrasted by above-described embodiment 1 and Application Example 1, it can be seen that be combined the bavin of pour-point depressant containing novel nano
Oil, more preferably, this is combined pour-point depressant at polymer pour-point depressant and nanometer Montmorillonitum material mainly due to novel nano to depression effeCt
With the mass ratio of 4:1, at high temperature, polymer pour-point depressant and nanometer Montmorillonitum both of which reach fusing point simultaneously, form one
The molten state material of mix homogeneously, the two complements each other, and jointly plays pour-point depressing process and not only has the pour point depression effect of common pour-point depressant
Really, and contained nanometer Montmorillonitum material due to have higher surface can, also can further enhance its depression effeCt.
Embodiment 4
A kind of novel nano is combined pour-point depressant, and it is prepared by a method comprising the following steps and forms:
(1) a certain amount of nanometer Montmorillonitum and cetyl trimethylammonium bromide are under water is solvent, carry out organic changing under the conditions of 80 DEG C
Property reaction, i.e. obtain organically modified montmorillonite clay;
(2) the nanometer Montmorillonitum material after organically-modified and pour-point depressant are placed in flask, use melt-blending process, at 120 DEG C
React 3 hours, obtain a kind of novel nano and be combined pour-point depressant;
Polymer pour-point depressant used by above-mentioned reaction, the amount of organic modified nano montmorillonite, calculate, i.e. polymer in mass ratio
Pour-point depressant: organic modified nano montmorillonite is 1:1;
Described polymer pour-point depressant is polymethacrylate pour-point depressant 10-330, EVA class pour-point depressant
T1804;
Above-mentioned nano combined pour-point depressant interpolation mass ratio is preferably 0.1%, joins 0#In diesel oil, after tested with 0#Diesel oil
Compare, be combined the cold filter plugging point of pour-point depressant diesel oil containing novel nano and condensation point reduces by 12 DEG C and 18 DEG C respectively.
Embodiment 5
A kind of novel nano is combined pour-point depressant, and it is prepared by a method comprising the following steps and forms:
(1) a certain amount of nanometer Montmorillonitum and cetyl trimethylammonium bromide are under water is solvent, carry out organic changing under the conditions of 80 DEG C
Property reaction, i.e. obtain organically modified montmorillonite clay;
(2) the nanometer Montmorillonitum material after organically-modified and pour-point depressant are placed in flask, use melt-blending process, at 120 DEG C
React 3 hours, obtain a kind of novel nano and be combined pour-point depressant;
Polymer pour-point depressant used by above-mentioned reaction, the amount of organic modified nano montmorillonite, calculate, i.e. polymer in mass ratio
Pour-point depressant: organic modified nano montmorillonite is 8:1;
Described polymer pour-point depressant is polymethacrylate pour-point depressant 10-330, EVA class pour-point depressant
T1804;
Above-mentioned nano combined pour-point depressant interpolation mass ratio is preferably 0.1%, joins 0#In diesel oil, after tested with 0#Diesel oil
Compare, be combined the cold filter plugging point of pour-point depressant diesel oil containing novel nano and condensation point reduces by 18 DEG C and 20 DEG C respectively.
In sum, a kind of novel nano of the present invention is combined pour-point depressant, and nano material contained therein rises jointly with pour-point depressant
To pour-point depressing process, contained nano material, owing to having higher surface energy, for maintenance system energy stabilization, is received in interpolation
In the diesel oil of meter Fu He pour-point depressant, wax crystalline substance trends towards more more compact than adding wax crystalline substance in equivalent pure pour-point depressant diesel oil when separating out and assembling
Arrangement mode, with reduce interfacial area fall low-surface-energy.Compact wax crystalline substance aggregation makes more original wrapped liquid
Oil is released, and greatly reduces wax-oil interfacial area.Rub between wax crystalline substance and liquid diesel when on the one hand diesel oil being flowed
Dissipation energy reduces so that under diesel oil at low-temperature, viscosity reduces further, and mobility is improved further;The opposing party's mercolized wax crystalline substance surface
The reduction of energy causes the temperature of the jelling structure of diesel oil System forming and intensity to be greatly reduced, thus further such that diesel oil is low
Warm nature can be improved.
Foregoing is only the basic explanation under present inventive concept, and any equivalence done according to technical scheme becomes
Change, protection scope of the present invention all should be belonged to.
Claims (7)
1. the preparation method of a nano combined pour-point depressant, it is characterised in that it is with organic modified nano montmorillonite and polymer pour point depression
Agent is raw material, is prepared by melt-blending process.
Preparation method the most according to claim 1, it is characterised in that organic modified nano montmorillonite and polymer pour-point depressant
Mass ratio be 1:1~1:8.
Preparation method the most according to claim 1, it is characterised in that described organic modified nano montmorillonite is by by nanometer
Montmorillonite and cetyl trimethylammonium bromide are blended in water, be modified reaction and obtain at a temperature of 75-85 DEG C.
Preparation method the most according to claim 3, it is characterised in that nanometer Montmorillonitum and cetyl trimethylammonium bromide
Mass ratio be 1:2.
Preparation method the most according to claim 1, it is characterised in that described polymer pour-point depressant is selected from polymethacrylates
One or both in class pour-point depressant 10-330 or EVA class pour-point depressant T1804.
Preparation method the most according to claim 1, it is characterised in that temperature during melt blending is 120 DEG C.
7. the nano combined pour-point depressant obtained according to the preparation method one of claim 1-6 Suo Shu.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106634916A (en) * | 2017-01-19 | 2017-05-10 | 北京奥友兴业科技发展有限公司 | Preparation method of novel water-based viscosity and pour point reducer |
CN107099359A (en) * | 2017-05-02 | 2017-08-29 | 盘锦鑫安源化学工业有限公司 | The preparation method and its pour-point depressant of a kind of diesel pour inhibitor |
CN107163997A (en) * | 2017-05-25 | 2017-09-15 | 上海应用技术大学 | A kind of nano combined ter-polymers pour-point depressant and preparation method thereof |
CN110804191A (en) * | 2019-11-21 | 2020-02-18 | 东北石油大学 | Preparation method of nano wax-proof pour point depressant |
CN112694924A (en) * | 2019-10-22 | 2021-04-23 | 中国石油化工股份有限公司 | Nano composite pour point depressant, preparation method thereof and pour point depressing working solution for high-water-content crude oil |
CN113402724A (en) * | 2021-06-11 | 2021-09-17 | 东北石油大学 | Preparation method of nano composite pour point depressant |
CN114479965A (en) * | 2022-01-18 | 2022-05-13 | 上海应用技术大学 | Composite nano diesel oil pour point depressant and preparation method and application thereof |
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CN106634916A (en) * | 2017-01-19 | 2017-05-10 | 北京奥友兴业科技发展有限公司 | Preparation method of novel water-based viscosity and pour point reducer |
CN107099359A (en) * | 2017-05-02 | 2017-08-29 | 盘锦鑫安源化学工业有限公司 | The preparation method and its pour-point depressant of a kind of diesel pour inhibitor |
CN107163997A (en) * | 2017-05-25 | 2017-09-15 | 上海应用技术大学 | A kind of nano combined ter-polymers pour-point depressant and preparation method thereof |
CN107163997B (en) * | 2017-05-25 | 2019-07-23 | 上海应用技术大学 | A kind of nano combined ter-polymers pour-point depressant and preparation method thereof |
CN112694924A (en) * | 2019-10-22 | 2021-04-23 | 中国石油化工股份有限公司 | Nano composite pour point depressant, preparation method thereof and pour point depressing working solution for high-water-content crude oil |
CN112694924B (en) * | 2019-10-22 | 2022-06-14 | 中国石油化工股份有限公司 | Nano composite pour point depressant, preparation method thereof and pour point depressing working solution for high-water-content crude oil |
CN110804191A (en) * | 2019-11-21 | 2020-02-18 | 东北石油大学 | Preparation method of nano wax-proof pour point depressant |
CN113402724A (en) * | 2021-06-11 | 2021-09-17 | 东北石油大学 | Preparation method of nano composite pour point depressant |
CN114479965A (en) * | 2022-01-18 | 2022-05-13 | 上海应用技术大学 | Composite nano diesel oil pour point depressant and preparation method and application thereof |
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