CN106633102A - Preparation method of high-stability composite cationic asphalt emulsifier - Google Patents
Preparation method of high-stability composite cationic asphalt emulsifier Download PDFInfo
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- CN106633102A CN106633102A CN201611030291.4A CN201611030291A CN106633102A CN 106633102 A CN106633102 A CN 106633102A CN 201611030291 A CN201611030291 A CN 201611030291A CN 106633102 A CN106633102 A CN 106633102A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2395/00—Bituminous materials, e.g. asphalt, tar or pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The invention relates to a preparation method of a high-stability composite cationic asphalt emulsifier, belonging to the technical field of asphalt emulsifiers. The method comprises the following steps: degreasing rapeseed, inactivating the enzyme, and extracting to prepare a glucoside concentrated solution; putting the glucoside concentrated solution, epoxy chloropropane and sulfuric acid in a beaker, stirring, heating, and collecting the filtrate, thereby preparing chlorinated glucoside, wherein the chlorinated glucoside is used as the main body to enhance the stability of the emulsifier; and putting the chlorinated glucoside, benzoperoxide, epoxy soybean oil and the like in a three-neck flask, stirring, and heating to obtain the high-stability composite cationic asphalt emulsifier. The high-stability composite cationic asphalt emulsifier has excellent emulsifying properties for various types of asphalt, has stable quality, can be widely matched with various types of mineral aggregate, has favorable coating property, and is free of restriction by seasons in the construction process, thereby ensuring the road making and road repair quality.
Description
Technical field
The present invention relates to a kind of preparation method of high stability composite cation asphalt emulsifier, belongs to asphalt emulsifier skill
Art field.
Background technology
The mixture that pitch is made up of the long-chain molecule of various complex chemical compositions, with good cementability, resistance to old
The property changed and water proofing property, waterproof is widely used as a long time, is built the road with encapsulant etc., at present, the type of service of pitch is main
There are heated bitumen, cut-back asphalt, emulsified asphalt.Emulsified asphalt exactly heats pitch, and through the effect of machinery, pitch is with tiny
Graininess is scattered in the aqueous solution containing emulsifying agent, forms oil-in-water type bitumen emulsion.Emulsified asphalt is due to section
The advantages of saving the energy, improve effect, extend construction seasons, reduce environmental pollution, improve bituminous paving service life, obtains fast
Speed development.
Now constructing road and emulsified asphalt conventional in maintenance are cationic emulsified bitumen.Cationic emulsified bitumen band is just
Electric charge, can strengthen the adhesion with aggregate surface, improve the early strength on road surface, as soon as possible open to traffic, therefore obtain highway
Build the welcome energetically of department.Emulsified asphalt charge property is determined by emulsifying agent.Cationic emulsifier is substantially divided by version
For：Alkyl amine, amide-type, imidazolines, oxirane Diamines, aminated lignin class, quaternary ammonium salt.Emulsifying agent is to prepare
The critical materials of emulsified asphalt.The standard that emulsifying agent is selected is that emulsifying capacity is strong first, next to that wide material sources, cheap.
Every kind of asphalt emulsifier has specific oleophilic hydrophil balance value, only when the oleophilic hydrophil balance value of both emulsifying agent and pitch
When close, pitch could be emulsified.Because pitch is complicated mixture, its performance is relevant with oil property and the place of production, single
Asphalt emulsifier often cannot get the preferable emulsified asphalt of performance, and the oleophilic hydrophil balance value of emulsifying agent has additive property, because
This is compounded to emulsifying agent, can expand oleophilic hydrophil balance value scope, improves emulsifying capacity.
In the market conventional single emulsifier and compound emulsifying agent, can only have preferable breast to the pitch of certain type
Change effect, emulsification scope is narrower.Compound cationic emulsifier prepared by Chinese patent CN90107891.3, compound emulsifying agent does not have
There are clear and definite component and proportioning, cationic charge is relatively weak, only emulsified with asphalt in embodiment.Chinese patent
Compound emulsifying agent is a kind of compound amine cation that can be used for osmosis type emulsification pitch penetration oil in CN201210564827.6
Emulsifying agent, but the emulsifying agent can only be that 60～200 pitch is emulsified to needle penetration.The standby emulsifying agent of above-mentioned patent system can only
Common asphalt is emulsified, the emulsification of pitch and the modified pitch higher to softening point all without reference to.Therefore, it is right
In the research of composite cation asphalt emulsifier, it appears particularly important.
The content of the invention
The invention mainly solves the technical problem of：There are single varieties for traditional cation asphalt emulsifier, especially
Be slurry seal need split emulsifying agent kind slowly very little, and storage stability is poor, does not reach and splits the construction effect that coagulates soon slowly
Defect, there is provided one kind to vegetable seed by being extracted and is prepared chloro glucosides, by chloro glucosides, by chloro glucosides and peroxide
Change benzoyl and epoxidized soybean oil compounding so as to form stable cationic emulsifier structure, effectively strengthen cationic asphalt breast
The stability of agent, the present invention goes out enzyme using vegetable seed degreasing and extracting prepares glucosides concentrate, then by glucosides concentrate and ring
Oxygen chloropropane is placed in beaker to stir and collect after the heating filtrate with sulfuric acid, is prepared into chloro glucosides, by the chloro sugar for preparing
Glycosides improves the stability of emulsifying agent as main body, is subsequently placed in there-necked flask with benzoyl peroxide and epoxidized soybean oil etc.,
Stir and be prepared into after heating high stability composite cation asphalt emulsifier.High stability composite cation prepared by the present invention
Asphalt emulsifier is respectively provided with excellent emulsifiability for the pitch of different cultivars, and steady quality extensively can match somebody with somebody with various mineral aggregates
5, wrapping property is good, and construction is not subject to seasonal restrictions, so as to the quality for ensureing to build the road and repair the roads.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Fresh vegetable seed is chosen, 6～8h is dried at being placed on 75～80 DEG C, collection is dried vegetable seed and crushed 80～90 mesh
Sieve, collection is dried vegetable seed particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, subsequently filter and receive
Collection filter cake, is dried 6～8h at 110～120 DEG C, is prepared into degreasing and goes out enzyme vegetable seed particle；
（2）In mass ratio 1:5, the degreasing of above-mentioned preparation enzyme vegetable seed particle and deionized water stirring of going out is mixed, in 200～300W
25～30min of lower sonic oscillation, collects to obtain mixed dispersion liquid, and in mass ratio 1:5,0.5mol/L acetic acid lead solutions are dropped to mixed
In closing dispersion liquid, it is 10～15min to control time for adding, after being added dropwise to complete, filters and collect filtrate, then at 55～60 DEG C
Rotary evaporation is prepared into extraction concentrate to the 1/5 of original volume；
（3）Count by weight, weigh respectively 45～50 parts of epoxychloropropane, the extraction concentrate of 15～20 parts of above-mentioned preparations and
1～2 part of sulfuric acid of mass fraction 98% is placed in beaker, stirs 3～5h of oil bath heating at mixing is placed in 95～100 DEG C, is subsequently stopped
Only heat and stand and be cooled to room temperature, filter and collect filtrate, then rotation is evaporated to the 1/6 of original volume at 65～70 DEG C, system
The standby concentrate that must be modified；
（4）Count by weight, modified concentrate, 10～15 parts of benzoyl peroxide first of 55～60 parts of above-mentioned preparations are weighed respectively
Acyl, 5～10 parts of epoxidized soybean oils, 1～2 part of dimethyl suflfate and 1～2 part of dibutyl tin laurate are placed in there-necked flask,
Stirring mixing is placed in 120～130 DEG C of 3～5h of oil bath heating, subsequently filters and collect filtrate, and standing is cooled to room temperature, you can
It is prepared into a kind of high stability composite cation asphalt emulsifier.
The application process of the present invention：High stability composite cation asphalt emulsifier prepared by the present invention is mixed with water,
It is 2～5% emulsifier aqueous solutions to be configured to mass fraction, is heated to 60～80 DEG C, its pH value is adjusted to after 2～6 with hydrochloric acid,
60～80 DEG C are again heated to, 60～120s is ground in the colloid mill of preheating, the oil for being previously heated to 130～150 DEG C is dripped
Green grass or young crops is slowly added in the cation asphalt emulgent aqueous solution of present invention preparation, grinds 60～120s, the wherein use of asphalt
Amount accounts for the 50～65% of emulsified asphalt gross mass, obtains final product emulsified asphalt.After testing, using present invention gained cationic asphalt emulsification
Emulsified asphalt obtained in agent in use, can duration of mixing shorten 5～6min, the presetting period shortens 5～8min, and storage is steady
It is qualitative to extend 2～3 times compared with traditional cation asphalt emulsifier.
The invention has the beneficial effects as follows：
（1）High stability composite cation asphalt emulsifier prepared by the present invention, emulsifying capacity is strong, emulsifying effectiveness is good, consumption is few,
Cationic is strong；
（2）High stability composite cation asphalt emulsifier prepared by the present invention, preparation process is simple, product is uniform, stable, most
The good resting period can reach more than 6 months, can meet the requirement for splitting rapid-setting emulsified asphalt slowly.
Specific embodiment
Fresh vegetable seed is chosen, 6～8h is dried at being placed on 75～80 DEG C, collection is dried vegetable seed and crushed 80～90 mesh
Sieve, collection is dried vegetable seed particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, subsequently filter and receive
Collection filter cake, is dried 6～8h at 110～120 DEG C, is prepared into degreasing and goes out enzyme vegetable seed particle；In mass ratio 1:5, by above-mentioned preparation
Degreasing enzyme vegetable seed particle and deionized water stirring of going out mix, 25～30min of sonic oscillation under 200～300W, collecting to mix
Conjunction dispersion liquid, in mass ratio 1:5,0.5mol/L acetic acid lead solutions are dropped in mixed dispersion liquid, time for adding is controlled for 10
～15min, after being added dropwise to complete, filters and collects filtrate, then rotation is evaporated to the 1/5 of original volume at 55～60 DEG C, prepares
Concentrate must be extracted；Count by weight, respectively weigh 45～50 parts of epoxychloropropane, 15～20 parts of above-mentioned preparations extraction it is dense
Contracting liquid and 1～2 part of sulfuric acid of mass fraction 98% are placed in beaker, stir 3～5h of oil bath heating at mixing is placed in 95～100 DEG C,
Subsequently stop heating and standing being cooled to room temperature, filter and collect filtrate, then rotation is evaporated to original volume at 65～70 DEG C
1/6, it is prepared into modified concentrate；Count by weight, respectively weigh 55～60 parts of above-mentioned preparations modified concentrate, 10～15
Part benzoyl peroxide, 5～10 parts of epoxidized soybean oils, 1～2 part of dimethyl suflfate and 1～2 part of dibutyl tin laurate are placed in
In there-necked flask, stirring mixing is placed in 120～130 DEG C of 3～5h of oil bath heating, subsequently filters and collect filtrate, stands cooling
To room temperature, you can be prepared into a kind of high stability composite cation asphalt emulsifier.
Example 1
Fresh vegetable seed is chosen, 6h is dried at being placed on 75 DEG C, collection is dried vegetable seed and crushed 80 mesh sieves, and collection is dried vegetable seed
Particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, filter cake is subsequently filtered and collects, at 110 DEG C
6h is dried, degreasing is prepared into and is gone out enzyme vegetable seed particle；In mass ratio 1:5, by the degreasing of above-mentioned preparation go out enzyme vegetable seed particle with go from
Sub- water stirring mixing, the sonic oscillation 25min under 200W collects to obtain mixed dispersion liquid, and in mass ratio 1:5, by 0.5mol/L vinegar
Lead plumbate solution is dropped in mixed dispersion liquid, and it is 10min to control time for adding, after being added dropwise to complete, filters and collect filtrate, then
The rotation at 55 DEG C is evaporated to the 1/5 of original volume, is prepared into extraction concentrate；Count by weight, 45 parts of epoxies are weighed respectively
Chloropropane, the extraction concentrate of 15 parts of above-mentioned preparations and 1 part of sulfuric acid of mass fraction 98% are placed in beaker, and stirring mixing is placed in
3～5h of oil bath heating at 95 DEG C, subsequently stops heating and standing being cooled to room temperature, filters and collect filtrate, then in 65 DEG C of backspins
Turn to be evaporated to the 1/6 of original volume, be prepared into modified concentrate；Count by weight, respectively 55 parts of above-mentioned preparations of weighing is modified
Concentrate, 10 parts of benzoyl peroxides, 5 parts of epoxidized soybean oils, 1 part of dimethyl suflfate and 1 part of dibutyl tin laurate are placed in
In there-necked flask, stirring mixing is placed in 120 DEG C of oil bath heatings 3h, subsequently filters and collect filtrate, and standing is cooled to room temperature, i.e.,
A kind of high stability composite cation asphalt emulsifier can be prepared into.
High stability composite cation asphalt emulsifier prepared by the present invention is configured into the aqueous solution of mass ratio 2%, is heated to
60 DEG C, its pH value is adjusted to after 2 with hydrochloric acid, be again heated to 60 DEG C, in the colloid mill of preheating 60s is ground, will be heated in advance
It is slowly added in the cation asphalt emulgent aqueous solution of present invention preparation to 130 DEG C of asphalt, grinds 60～120s, its
The consumption of petrochina pitch accounts for the 50% of emulsified asphalt gross mass, obtains final product emulsified asphalt.After testing, using the present invention gained sun from
Emulsified asphalt obtained in sub- asphalt emulsifier in use, can duration of mixing extend 5min, the presetting period extend 5min, storage
Deposit stability and extend 2 times compared with traditional cation asphalt emulsifier.
Example 2
Fresh vegetable seed is chosen, 8h is dried at being placed on 80 DEG C, collection is dried vegetable seed and crushed 90 mesh sieves, and collection is dried vegetable seed
Particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, filter cake is subsequently filtered and collects, at 120 DEG C
8h is dried, degreasing is prepared into and is gone out enzyme vegetable seed particle；In mass ratio 1:5, by the degreasing of above-mentioned preparation go out enzyme vegetable seed particle with go from
Sub- water stirring mixing, the sonic oscillation 30min under 300W collects to obtain mixed dispersion liquid, and in mass ratio 1:5, by 0.5mol/L vinegar
Lead plumbate solution is dropped in mixed dispersion liquid, and it is 15min to control time for adding, after being added dropwise to complete, filters and collect filtrate, then
The rotation at 60 DEG C is evaporated to the 1/5 of original volume, is prepared into extraction concentrate；Count by weight, 50 parts of epoxies are weighed respectively
Chloropropane, the extraction concentrate of 20 parts of above-mentioned preparations and 2 parts of sulfuric acid of mass fraction 98% are placed in beaker, and stirring mixing is placed in
Oil bath heating 5h at 100 DEG C, subsequently stops heating and standing being cooled to room temperature, filters and collect filtrate, then rotates at 70 DEG C
The 1/6 of original volume is evaporated to, modified concentrate is prepared into；Count by weight, respectively 60 parts of above-mentioned preparations of weighing is modified dense
Contracting liquid, 15 parts of benzoyl peroxides, 10 parts of epoxidized soybean oils, 2 parts of dimethyl suflfates and 2 parts of dibutyl tin laurates are placed in three
In mouth flask, stirring mixing is placed in 130 DEG C of oil bath heatings 5h, subsequently filters and collect filtrate, and standing is cooled to room temperature, you can
It is prepared into a kind of high stability composite cation asphalt emulsifier.
High stability composite cation asphalt emulsifier prepared by the present invention is configured into the aqueous solution of mass ratio 5%, is heated to
80 DEG C, its pH value is adjusted to after 6 with hydrochloric acid, be again heated to 80 DEG C, in the colloid mill of preheating 120s is ground, will be heated in advance
It is slowly added in the cation asphalt emulgent aqueous solution of present invention preparation to 150 DEG C of asphalt, grinds 120s, wherein stone
The consumption of oil asphalt accounts for the 65% of emulsified asphalt gross mass, obtains final product emulsified asphalt.After testing, using present invention gained cation drip
Emulsified asphalt obtained in blue or green emulsifying agent in use, can duration of mixing extend 6min, the presetting period extends 8min, and storage is steady
It is qualitative to extend 3 times compared with traditional cation asphalt emulsifier.
Example 3
Fresh vegetable seed is chosen, 7h is dried at being placed on 78 DEG C, collection is dried vegetable seed and crushed 85 mesh sieves, and collection is dried vegetable seed
Particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, filter cake is subsequently filtered and collects, at 115 DEG C
7h is dried, degreasing is prepared into and is gone out enzyme vegetable seed particle；In mass ratio 1:5, by the degreasing of above-mentioned preparation go out enzyme vegetable seed particle with go from
Sub- water stirring mixing, the sonic oscillation 28min under 250W collects to obtain mixed dispersion liquid, and in mass ratio 1:5, by 0.5mol/L vinegar
Lead plumbate solution is dropped in mixed dispersion liquid, and it is 13min to control time for adding, after being added dropwise to complete, filters and collect filtrate, then
The rotation at 58 DEG C is evaporated to the 1/5 of original volume, is prepared into extraction concentrate；Count by weight, 48 parts of epoxies are weighed respectively
Chloropropane, the extraction concentrate of 18 parts of above-mentioned preparations and 2 parts of sulfuric acid of mass fraction 98% are placed in beaker, and stirring mixing is placed in
Oil bath heating 4h at 98 DEG C, subsequently stops heating and standing being cooled to room temperature, filters and collect filtrate, then rotation is steamed at 68 DEG C
The 1/6 of original volume is sent to, modified concentrate is prepared into；Count by weight, the modified concentration of 58 parts of above-mentioned preparations is weighed respectively
Liquid, 13 parts of benzoyl peroxides, 8 parts of epoxidized soybean oils, 2 parts of dimethyl suflfates and 2 parts of dibutyl tin laurates are placed in three mouthfuls
In flask, stirring mixing is placed in 125 DEG C of oil bath heatings 4h, subsequently filters and collect filtrate, and standing is cooled to room temperature, you can system
It is standby to obtain a kind of high stability composite cation asphalt emulsifier.
High stability composite cation asphalt emulsifier prepared by the present invention is configured into the aqueous solution of mass ratio 4%, is heated to
70 DEG C, its pH value is adjusted to after 4 with hydrochloric acid, be again heated to 70 DEG C, in the colloid mill of preheating 90s is ground, will be heated in advance
It is slowly added in the cation asphalt emulgent aqueous solution of present invention preparation to 140 DEG C of asphalt, grinds 90s, wherein stone
The consumption of oil asphalt accounts for the 58% of emulsified asphalt gross mass, obtains final product emulsified asphalt.After testing, using present invention gained cation drip
Emulsified asphalt obtained in blue or green emulsifying agent in use, can duration of mixing extend 6min, the presetting period extends 7min, and storage is steady
It is qualitative to extend 3 times compared with traditional cation asphalt emulsifier.
Claims (1)
1. a kind of preparation method of high stability composite cation asphalt emulsifier, it is characterised in that concrete preparation process is：
（1）Fresh vegetable seed is chosen, 6～8h is dried at being placed on 75～80 DEG C, collection is dried vegetable seed and crushed 80～90 mesh
Sieve, collection is dried vegetable seed particle and in mass ratio 1:8, vegetable seed powder will be dried and mixed with petroleum ether and stirring, subsequently filter and receive
Collection filter cake, is dried 6～8h at 110～120 DEG C, is prepared into degreasing and goes out enzyme vegetable seed particle；
（2）In mass ratio 1:5, the degreasing of above-mentioned preparation enzyme vegetable seed particle and deionized water stirring of going out is mixed, in 200～300W
25～30min of lower sonic oscillation, collects to obtain mixed dispersion liquid, and in mass ratio 1:5,0.5mol/L acetic acid lead solutions are dropped to mixed
In closing dispersion liquid, it is 10～15min to control time for adding, after being added dropwise to complete, filters and collect filtrate, then at 55～60 DEG C
Rotary evaporation is prepared into extraction concentrate to the 1/5 of original volume；
（3）Count by weight, weigh respectively 45～50 parts of epoxychloropropane, the extraction concentrate of 15～20 parts of above-mentioned preparations and
1～2 part of sulfuric acid of mass fraction 98% is placed in beaker, stirs 3～5h of oil bath heating at mixing is placed in 95～100 DEG C, is subsequently stopped
Only heat and stand and be cooled to room temperature, filter and collect filtrate, then rotation is evaporated to the 1/6 of original volume at 65～70 DEG C, system
The standby concentrate that must be modified；
（4）Count by weight, modified concentrate, 10～15 parts of benzoyl peroxide first of 55～60 parts of above-mentioned preparations are weighed respectively
Acyl, 5～10 parts of epoxidized soybean oils, 1～2 part of dimethyl suflfate and 1～2 part of dibutyl tin laurate are placed in there-necked flask,
Stirring mixing is placed in 120～130 DEG C of 3～5h of oil bath heating, subsequently filters and collect filtrate, and standing is cooled to room temperature, you can
It is prepared into a kind of high stability composite cation asphalt emulsifier.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961373A (en) * | 2021-02-19 | 2021-06-15 | 上海昶法新材料有限公司 | Method for preparing high-temperature-resistant lignin asphalt emulsifier through microwave catalysis |
| CN117701018A (en) * | 2023-11-14 | 2024-03-15 | 山东百成新材料科技股份有限公司 | Modified high-viscosity asphalt and preparation method thereof |
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Application publication date: 20170510 |