CN106589234A - Preparation method of multi-component compound type copolymerized asphalt oil soluble viscosity reducer - Google Patents
Preparation method of multi-component compound type copolymerized asphalt oil soluble viscosity reducer Download PDFInfo
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- CN106589234A CN106589234A CN201611192843.1A CN201611192843A CN106589234A CN 106589234 A CN106589234 A CN 106589234A CN 201611192843 A CN201611192843 A CN 201611192843A CN 106589234 A CN106589234 A CN 106589234A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/04—Anhydrides, e.g. cyclic anhydrides
- C08F222/06—Maleic anhydride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/04—Anhydrides, e.g. cyclic anhydrides
- C08F222/06—Maleic anhydride
- C08F222/08—Maleic anhydride with vinyl aromatic monomers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/06—Butadiene
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
Abstract
The invention relates to a preparation method of a multi-component compound type copolymerized asphalt oil soluble viscosity reducer. The preparation method comprises the following steps: firstly, weighing right amount of a compound solvent, putting the compound solvent into a reaction vessel, heating and stirring, introducing nitrogen and maintaining an oxygen-free environment, and maintaining the temperature to be constant at a certain temperature; secondly, weighing a certain quantity of anhydride and adding a solvent, stirring, and maintaining the temperature to be constant; thirdly, adding olefin, amide and acrylate into the solvent in a certain ratio, and stirring under a nitrogen atmosphere environment; fourthly, heating, adding a certain quantity of peroxide initiator into the solvent in ten times, rapidly stirring and carrying out reflux condensation; fifthly, adding a large amount of ethyl alcohol and carrying out precipitation operation to obtain a compolymer; sixthly, dissolving the compolymer in light oil, and adding a surfactant so as to obtain the final liquid state viscosity reducer product. The preparation method provided by the invention has the beneficial effects that a synthetic technological means and construction operation are simple, technological steps are few, the applicability is good, the synthesized finished viscosity reducer product can be directly mixed with asphalt and take effect quickly, and the viscosity reduction rate is 7-13%.
Description
Technical field
The present invention relates to a kind of preparation method of Colophonium flow modifier thinner, more particularly to a kind of Recompounded multielement type copolymerization
The preparation method of Colophonium oil-soluble viscosity reducer.
Background technology
With the increasingly depleted of petroleum resources, viscous crude resource is being paid attention to more and more and is being utilized.World's viscous crude money
Source is enriched very much, and the viscous crude resource mineral reserve reserves of China, Russia and North America are huge, and the heavy oil field number of China is huge
Greatly, in China grand celebration, two big crude oil production bases of triumph, heavy oil production has accounted for the 11% of crude oil total output.It is how safe and effective
Ground heavy crude producing resource, it is ensured that fully achieving for viscous crude resource value, has both been related to the economic development and social stability of China,
Be conducive to the smooth realization of the sustainable development requirement such as low-carbon environment-friendly and energy-saving and emission-reduction.The key of reducing thick oil viscosity is gum asphalt
Flow modifier.How to develop a kind of efficient oil-soluble viscosity reducer is used for the viscosity reduction of viscous crude studies on asphaltene, is vast research
The problem of persons' extensive concern.
The viscous characteristic of the height of gum asphalt mainly determines by the chemical composition of its own, backbone and answers in Colophonium
Miscellaneous side chain mutually winds the main cause that association is its highly viscous characteristic.Primary structure in colloid, asphalitine is long-chain high score
Son, while have accumulated substantial amounts of labyrinth side chain on macromole long-chain, containing substantial amounts of hetero atom, exists between various chains
Mutual power of substantial amounts of Hyarogen-bonding, dipole etc., all kinds of molecular structure bulk deposition stackings, various power interact and connect, glue
Matter structure of asphaltene nucleation simultaneously grows, and forms micron-sized aggregate.Simultaneously in the common of macroscopical frictional force and micro molecule power
Under effect, a kind of extremely fine and close integument is formed, cause viscosity number quickly to increase, be in half very grave flowing of color macroscopically
To the physical property state of solid-state.High-viscosity gum asphalt for viscous crude exploitation lifting, the smooth enforcement of laying of roadway operation,
Performance raising of coating plastics etc. generates many obstructions.
The oil-soluble viscosity reduction modifier of Colophonium is used for reducing thick oil viscosity and other are related to the flow modifier of gum asphalt industry,
Have the advantages that very many, such as constructing operation is easy, production efficiency is high, economic benefit is huge, safety non-pollution, than with breast
The action mode of agent viscosity reduction, oil-soluble viscosity reducer is more environmentally friendly efficiently.But at present oil-soluble viscosity reducer generally has the suitability
The complicated defect of difference, synthesis technique, significantly limit its application in industries such as viscous crude lifting, coating plastics.The present invention is carried
For synthesis technique means, can solve the problem that current thinner prepare in presence some safety problems and technological problemses, be thick
Oily viscosity reduction field provides a kind of new technical method and process meanses.
The content of the invention
The purpose of the present invention is aiming at the drawbacks described above of prior art presence, there is provided a kind of Recompounded multielement type copolymerization Colophonium
The preparation method of oil-soluble viscosity reducer, in the organic solvent of oxygen-free environment, the generation anhydride that is polymerized under peroxy initiator effect,
The high efficient oil dissolubility thinner of alkene, amide, the multipolymer of acrylate four as Colophonium.
A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including following step
Suddenly：
The first step：The solvent for weighing 1000 parts of -2000 parts of compoundings is placed in reaction vessel, heated and stirred, is passed through nitrogen and is kept nothing
Oxygen environment, and the constant temperature at a temperature of 48 DEG C -52 DEG C；
Second step：Weigh 48 DEG C -52 DEG C of the solvent that 35-48 parts anhydride adds step one, stirring and constant temperature；
3rd step：It is 12-25 by alkene, amide, acrylate example in mass ratio：30-45：5-10 adds the solvent of step 2
In, stir under nitrogen atmosphere environment；
4th step：Warming temperature is 90-95 DEG C, and by 10 addition solvents of peroxy initiator point, the total consumption of peroxy initiator is
The 0.1-0.3% of anhydride consumption, quick stirring and condensing reflux；
5th step：Add ethanol to carry out precipitation operation, obtain copolymer；
6th step：Copolymer is dissolved in light oil, adds surfactant, the 3%-15% for adding quality to be copolymer is obtained
Final liquid thinner product.
Wherein, the solvent of compounding is mainly toluene, dimethylbenzene, tetrahydrofuran, NVP, normal heptane, just
Several compoundings in octane, wherein, toluene, dimethylbenzene at least include one kind.
Preferably, above-mentioned anhydride is using maleic anhydride, phthalic anhydride, tung oil acid anhydride, the hydrogen-based of methyl four neighbour's benzene two
One or more compoundings in formic anhydride, and in compound system, maleic anhydride and the hydrogen-based phthalic anhydride of methyl four are at least
There is one kind.
Preferably, above-mentioned alkene is using one or more compoundings in vinyl acetate, butadiene, styrene.
Preferably, above-mentioned amide is answered using one or more in acrylamide, Methacrylamide, caprolactam
Match somebody with somebody.
Preferably, above-mentioned acrylate is using acrylic acid methyl ester. or butyl acrylate.
Preferably, above-mentioned light oil is diesel oil, gasoline or kerosene, adds quality for 10 times -25 times of copolymer.
Preferably, above-mentioned surfactant is mainly ammonium lauryl sulfate, DBSA, fatty acid distribution of coconut oil
One or more compoundings in single ethanol amide and dimethyl dodecyl amine oxide.
Preferably, above-mentioned peroxy initiator is mainly benzoyl peroxide methyl ester or peroxidized t-butyl perbenzoate.
Preferably, in above-mentioned step one, heated and stirred temperature is 45 DEG C -55 DEG C, and stir speed (S.S.) is 120rad/min-
240rad/min, whipped form is magnetic rotor stirring；Thermostat temperature is 48 DEG C -52 DEG C, constant temperature duration at least 30min.
In step 2, constant temperature whipping temp is 48 DEG C -52 DEG C, and constant temperature stir speed (S.S.) is 60rad/min-120rad/min,
A length of 50min-300min during stirring.
In the step of step the three, the anhydride of addition, alkene, amide, acrylate, stir speed (S.S.) is 60rad/min-
120rad/min, a length of 50min-300min during stirring.
In the step of step the four, warming temperature is 90-95 DEG C, and peroxy initiator consumption is the 0.1-0.3% of anhydride consumption, stirs
Speed is mixed for 180rad/min-300rad/min, a length of 1h-4h during stirring.
Compared with prior art, its advantage is the present invention：
1. the present invention is provided synthesis technique means constructing operation is easy, processing step is few, strong applicability, to paraffin-based asphalt,
The different type asphalitine such as asphaltic base Colophonium and mixed base Colophonium is respectively provided with fairly obvious viscosity reducing effect；
2. the thixotropic viscosity caused due to colloidal sol, gel effect etc. can be effectively reduced, increases the orientation of long-chain molecule or miscellaneous side chain
Effect, reduces its macroscopic viscosity effect；
3. good dispersion effect is respectively provided with various viscous crude or gum asphalt；
4. the thinner that the present invention is provided using directly with the process meanses of effect target chemical blending, can directly and Colophonium
Mixing and rapid-onset, the effect waiting time is short, and effect means are directly easy, without the need for the mixed processing process meanses for adding；
5. viscosity break ratio is big, and under the experiment condition that SY/T 0520--2008 standards specify, the viscosity break ratio for measuring is 7%-13%, excellent
In the effect of current major part thinner product.
Specific embodiment
1-7 in conjunction with the embodiments, the invention will be further described：
Embodiment 1：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including it is following
Making step：
Weigh toluene 200g, normal heptane 750g, tetrahydrofuran 50g, in adding container, 120rad/min, logical nitrogen, 50 DEG C plus
Thermal agitation, 50 DEG C of constant temperature keeps 30min；25g maleic anhydrides and 10g tung oil acid anhydrides are added, 60rad/min, 50 DEG C of constant temperature are stirred
Mix 60min；Add styrene 20g, acrylamide 30g, acrylic acid methyl ester. 5g, a length of 50min when 60rad/min is stirred；Rise
Temperature to 90 DEG C, the benzoyl peroxide methyl ester for points for 10 times adding 0.035g altogether, 300rad/min stirring 2h and condensing reflux；Add 4L
Ethanol carries out precipitation operation, obtains about 60g copolymers；Copolymer is dissolved in 1000g kerosene, adds 1.8g detergent alkylate sulphurs
Acid, stirs, and obtains final liquid thinner product.
Embodiment 2：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：
Weigh dimethylbenzene 200g, normal octane 800g, tetrahydrofuran 60g, in adding container, 120rad/min, logical nitrogen, 50 DEG C
Heated and stirred, 50 DEG C of constant temperature keeps 30min；20g phthalic anhydrides and the hydrogen-based phthalic anhydride of 10g methyl four are added,
60rad/min, 50 DEG C of constant temperature stir 60min；Add butadiene 15g, caprolactam 35g, butyl acrylate 5g, 60rad/
A length of 50min when min is stirred；95 DEG C are warming up to, the benzoyl peroxide methyl ester for points for 10 times adding 0.06g altogether, 300rad/min is stirred
Mix 2h and condensing reflux；Add 5 liters of ethanol to carry out precipitation operation, obtain about 62g copolymers；Copolymer is dissolved in into 800g diesel oil
In, add 1g ammonium lauryl sulfates and the alkyl benzene sulphonates of 1g 120,000, stir, obtain final liquid thinner product.
Embodiment 3：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：
Dimethylbenzene 500g, N- ethyl pyrrolidone 300g, normal heptane 200g are weighed, in adding container, 150rad/min, logical nitrogen
Gas, 55 DEG C of heated and stirred, 50 DEG C of constant temperature keeps 1h；40g maleic anhydrides, 90rad/min, 50 DEG C of constant temperature is added to stir 60min；
Styrene 5g, vinyl acetate 10g, Methacrylamide 35g, acrylic acid methyl ester. 5g are added, 60rad/min is a length of when stirring
50min；95 DEG C are warming up to, the peroxidized t-butyl perbenzoate for points for 10 times adding 0.06g altogether, 300rad/min stirring 2h are simultaneously cold
Solidifying backflow；Add 3-10L ethanol to carry out precipitation operation, obtain about 65g copolymers；Copolymer is dissolved in 800g diesel oil, is added
1g fatty monoethanol amides and 2g dimethyl dodecyl amine oxides, stir, and obtain final liquid thinner and produce
Thing.
Embodiment 4：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：
Weigh toluene 400g, normal heptane 1500g, tetrahydrofuran 100g, in adding container, 120rad/min, logical nitrogen, 50 DEG C
Heated and stirred, 50 DEG C of constant temperature keeps 30min；Add 35g maleic anhydrides and 13g tung oil acid anhydrides, 60rad/min, 50 DEG C of constant temperature
Stirring 60min；Styrene 20g, acrylamide 35g, acrylic acid methyl ester. 10g are added, 60rad/min is a length of when stirring
50min；90 DEG C are warming up to, the peroxidized t-butyl perbenzoate for points for 10 times adding 0.144g altogether, 300rad/min stirrings 2h is simultaneously
Condensing reflux；Add 5-10L ethanol to carry out precipitation operation, obtain about 120g copolymers；Copolymer is dissolved in 2000g kerosene,
Addition 18g fatty monoethanol amides, stir, and obtain final liquid thinner product.
In addition, anhydride can also be using oxydiphthalic Pentamethylene. tetracarboxylic dianhydride or cyclopentadiene and maleic acid
Acid anhydride, alkene can also be using tetrafluoroethene or hexafluoropropene, and amide can adopt azodicarbonamide or the sub- sulphurs of 2- methyl -2- third
Amide, acrylate can be using in isobutyl methacrylate, hydroxyethyl methacrylate, ethyleneglycol dimethyacrylate
One kind, peroxy initiator can adopt peroxidating 2- ethylhexyl tert-butyl acrylates, peroxidating acetic acid tert-pentyl ester or the uncle of peroxidating two
Butyl；Surfactant is using polyoxyethylene ether phosphotriester or SAS.
Embodiment 5：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：Weigh dimethylbenzene 200g, normal octane 800g, tetrahydrofuran 60g, it is 120rad/min, logical in adding container
Nitrogen, 50 DEG C of heated and stirred, 50 DEG C of constant temperature keeps 30min；40g oxydiphthalic Pentamethylene. tetracarboxylic dianhydrides are added,
60rad/min, 50 DEG C of constant temperature stir 60min；Add tetrafluoroethene 18g, azodicarbonamide 35g, isobutyl
A length of 50min when ester 8g, 60rad/min are stirred；95 DEG C are warming up to, the peroxidating 2- ethyl hexyls for points for 10 times adding 0.08g altogether
Base tert-butyl acrylate, 300rad/min stirring 2h and condensing reflux；Adding 6-10 to rise ethanol carries out precipitation operation, obtains about 72g and is total to
Polymers；Copolymer is dissolved in 800g kerosene, adds 3g polyoxyethylene ether phosphotriesters, stirred, obtain final liquid drop
Stick product.
Embodiment 6：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：Dimethylbenzene 500g, N- ethyl pyrrolidone 300g, normal heptane 200g are weighed, in adding container, 120rad/
Min, logical nitrogen, 50 DEG C of heated and stirred, 50 DEG C of constant temperature keeps 30min；Add 36g maleic anhydrides, 60rad/min, 50
DEG C constant temperature stirring 60min；Add hexafluoropropene 18g, 2- methyl -2- the third sulfenamide 35g, ethyleneglycol dimethyacrylate
A length of 50min when 8g, 60rad/min are stirred；95 DEG C are warming up to, the peroxidating acetic acid uncle penta for points for 10 times adding 0.08g altogether
Ester, 300rad/min stirring 2h and condensing reflux；Adding 6-10 to rise ethanol carries out precipitation operation, obtains about 68g copolymers；Will be altogether
Polymers is dissolved in 1200g gasoline, adds 5g SASs, is stirred, and obtains final liquid thinner product.
Embodiment 7：A kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer that the present invention is mentioned, including
Following making step：Dimethylbenzene 500g, N- ethyl pyrrolidone 300g, normal heptane 200g are weighed, in adding container, 120rad/
Min, logical nitrogen, 50 DEG C of heated and stirred, 50 DEG C of constant temperature keeps 30min；Add 36g maleic anhydrides, 60rad/min, 50
DEG C constant temperature stirring 60min；Add hexafluoropropene 18g, 2- methyl -2- the third sulfenamide 35g, ethyleneglycol dimethyacrylate
A length of 50min when 10g, 60rad/min are stirred；95 DEG C are warming up to, the di-t-butyl peroxide for points for 10 times adding 0.08g altogether,
300rad/min stirring 2h and condensing reflux；Add 20 liters of ethanol to carry out precipitation operation, obtain about 69g copolymers；By copolymer
In being dissolved in 1200g kerosene, add 6g polyoxyethylene ether phosphotriesters, stir, obtain final liquid thinner product.
Above-mentioned multiple embodiments have been respectively adopted the lower polymerization of peroxy initiator effect and have generated anhydride, alkene, amide, acrylic acid
The multipolymer of ester four is prepared for the multiple copolymer that molecular weight is 30,000-7 ten thousand as the high efficient oil dissolubility thinner of Colophonium
Pour-point depressant, the viscosity break ratio that SY/T 0520-2008 standards are measured is 7%-13%, viscosity reduction efficiency high, and rapid, the synthesis work that works
Skill is simple and safe, can be a kind of new technical method of offer and process meanses of the industries such as viscous crude lifting, coating plastics.
The above, is only the part preferred embodiment of the present invention, and any those of ordinary skill in the art may profit
The technical scheme being equal to is changed or is revised as with the technical scheme of above-mentioned elaboration.Therefore, according to the technology of the present invention
Any simple modification or substitute equivalents that scheme is carried out, belong to the greatest extent the scope of protection of present invention.
Claims (10)
1. a kind of preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer, is characterized in that comprising the following steps：
The first step：The solvent for weighing 1000 parts of -2000 parts of compoundings is placed in reaction vessel, heated and stirred, is passed through nitrogen and is kept nothing
Oxygen environment, and the constant temperature at a temperature of 48 DEG C -52 DEG C；
Second step：Weigh 48 DEG C -52 DEG C of the solvent that 35-48 parts anhydride adds step one, stirring and constant temperature；
3rd step：It is 15-20 by alkene, amide, acrylate example in mass ratio：30-35：5-10 adds the solvent of step 2
In, stir under nitrogen atmosphere environment；
4th step：Warming temperature is 90-95 DEG C, and by 10 addition solvents of peroxy initiator point, the total consumption of peroxy initiator is
The 0.1-0.3% of anhydride consumption, quick stirring and condensing reflux；
5th step：Add ethanol to carry out precipitation operation, obtain copolymer；
6th step：Copolymer is dissolved in light oil, adds surfactant, the 3%-15% for adding quality to be copolymer is obtained
Final liquid thinner product；
Wherein, the solvent of compounding is mainly toluene, dimethylbenzene, tetrahydrofuran, NVP, normal heptane, normal octane
In several compoundings, wherein, toluene, dimethylbenzene at least include one kind.
2. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The anhydride stated is using the one kind or several in maleic anhydride, phthalic anhydride, tung oil acid anhydride, the hydrogen-based phthalic anhydride of methyl four
Compounding is planted, and in compound system, maleic anhydride and the hydrogen-based phthalic anhydride of methyl four are at least a kind of.
3. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The alkene stated is using one or more compoundings in vinyl acetate, butadiene, styrene.
4. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The amide stated is using one or more compoundings in acrylamide, Methacrylamide, caprolactam.
5. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The acrylate stated adopts acrylic acid methyl ester..
6. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The acrylate stated adopts butyl acrylate.
7. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The light oil stated is diesel oil, gasoline or kerosene, adds quality for 10 times -25 times of copolymer.
8. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The surfactant stated is mainly ammonium lauryl sulfate, DBSA, fatty monoethanol amide and 12
One or more compoundings in alkyl dimethyl amine oxide.
9. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：Institute
The peroxy initiator stated is mainly benzoyl peroxide methyl ester or peroxidized t-butyl perbenzoate.
10. the preparation method of Recompounded multielement type copolymerization Colophonium oil-soluble viscosity reducer according to claim 1, is characterized in that：
In described step one, heated and stirred temperature is 45 DEG C -55 DEG C, and stir speed (S.S.) is 120rad/min-240rad/min, stirs shape
Formula is magnetic rotor stirring；Thermostat temperature is 48 DEG C -52 DEG C, constant temperature duration at least 30min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093043A (en) * | 2019-04-17 | 2019-08-06 | 广州鸿绵合成材料有限公司 | A kind of asphalt viscosity reduction agent and its preparation method and application |
| CN112898475A (en) * | 2021-01-21 | 2021-06-04 | 西南石油大学 | Amphiphilic asphaltene inhibitor and preparation method thereof |
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| CN110093043A (en) * | 2019-04-17 | 2019-08-06 | 广州鸿绵合成材料有限公司 | A kind of asphalt viscosity reduction agent and its preparation method and application |
| CN112898475A (en) * | 2021-01-21 | 2021-06-04 | 西南石油大学 | Amphiphilic asphaltene inhibitor and preparation method thereof |
| CN112898475B (en) * | 2021-01-21 | 2022-01-25 | 西南石油大学 | Amphiphilic asphaltene inhibitor and preparation method thereof |
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