CN112759943A - Emulsified asphalt and preparation method thereof - Google Patents
Emulsified asphalt and preparation method thereof Download PDFInfo
- Publication number
- CN112759943A CN112759943A CN202110090451.9A CN202110090451A CN112759943A CN 112759943 A CN112759943 A CN 112759943A CN 202110090451 A CN202110090451 A CN 202110090451A CN 112759943 A CN112759943 A CN 112759943A
- Authority
- CN
- China
- Prior art keywords
- parts
- emulsifier
- asphalt
- emulsified asphalt
- reducing agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses emulsified asphalt and a preparation method thereof, which relate to the technical field of material preparation and comprise the following raw materials: the invention adds the water reducing agent into the emulsified asphalt as a component, which not only can play the role of the water reducing agent when being mixed with cement and reduce the operation steps during construction, but also can play the role of emulsification aid when producing the emulsified asphalt of the invention and improve the emulsification effect.
Description
Technical Field
The invention relates to the technical field of material preparation, in particular to emulsified asphalt and a preparation method thereof.
Background
Asphalt is a common road material and also a necessary raw material for building waterproof treatment, wood preservative treatment and preparation of moisture-proof asphalt felt. Since asphalt is in a solid or semi-solid state at normal temperature and does not have fluidity without heating, it is necessary to perform pretreatment to turn it into asphalt liquid when it is used. The method is generally processed by heating melting, solvent dissolving, emulsifying and the like, the technical condition of the highway is obviously improved and enhanced along with the great increase of the mileage of the high-grade highway in China, the tension condition of traffic transportation is effectively relieved, but on the whole, the infrastructure of the highway is still weak, particularly the storage capacity and the strain capacity are not enough, the development of social economy can not be adapted only by new construction and total expansion, the traditional passive and emergency maintenance modes are changed into the expected and periodic scientific and modern maintenance modes through the technical transformation and the reinforced scientific maintenance management of the traditional road network, and the potential of the traditional road network is fully excavated to be adapted to the development requirement.
Compared with the use of hot asphalt, the use of emulsified asphalt for construction has the advantages of resource saving, energy saving, construction process simplification, construction season extension, environmental pollution reduction and the like, and has better social, economic and environmental benefits. However, according to the production conditions of some emulsified asphalt supply stations, the currently used emulsified asphalt is easy to get rid of the bonding force of the emulsifier during mutual collision of asphalt distributed in water during storage and long-distance transportation, so that agglomeration occurs, the viscosity is increased, the storage stability of the emulsified asphalt is not ideal, and when the emulsified asphalt is used for pavement, the brushing thickness is not uniform, so that the pavement condition can not meet the index requirement. The poor storage stability of the emulsified asphalt caused by the improper selection of the emulsifier greatly limits the application range and development of the emulsified asphalt technology.
Disclosure of Invention
The invention aims to provide emulsified asphalt and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the emulsified asphalt comprises the following raw materials in parts by weight: 55-75 parts of asphalt, 12-20 parts of basic emulsifier, 8-12 parts of co-emulsifier, 1-3 parts of water reducing agent, 0.5-1 part of plasticizer, 12-24 parts of thermosetting resin, 2-7 parts of phosphate emulsifier, 5-10 parts of curing agent, 9-17 parts of nano silicon dioxide, 20-30 parts of alcohol and 25-35 parts of deionized water.
As a further scheme of the invention: the emulsified asphalt comprises the following raw materials in parts by weight: 65 parts of asphalt, 16 parts of a basic emulsifier, 10 parts of a co-emulsifier, 2 parts of a water reducing agent, 0.8 part of a plasticizer, 18 parts of thermosetting resin, 5 parts of a phosphate emulsifier, 8 parts of a curing agent, 13 parts of nano silicon dioxide, 25 parts of alcohol and 30 parts of deionized water.
As a still further scheme of the invention: the asphalt is petroleum asphalt.
As a still further scheme of the invention: the basic emulsifier is one or a combination of hexadecyl trimethyl ammonium chloride, alkyl amide polyamine and polyethylene polyamine.
As a still further scheme of the invention: the auxiliary emulsifier is alkyl propylene diamine or alkyl quaternary ammonium salt.
As a still further scheme of the invention: the particle size of the nano silicon dioxide is 30-40 nm.
As a still further scheme of the invention: the alcohol is ethanol, propanol or butanediol.
As a still further scheme of the invention: the water reducing agent is one or a combination of a naphthalene sulfonic acid formaldehyde condensate, lignosulfonate and sulfamate.
As a still further scheme of the invention: the curing agent is a water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate.
A preparation method of emulsified asphalt comprises the following steps:
1) sequentially weighing asphalt, a basic emulsifier, an auxiliary emulsifier, a water reducing agent, a plasticizer, thermosetting resin, a phosphate emulsifier, a curing agent, nano silicon dioxide, alcohol and deionized water according to corresponding mass parts;
2) heating the asphalt to 130-150 ℃ to obtain a material A;
3) mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B;
4) dissolving the basic emulsifier, the auxiliary emulsifier and the thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50-60 ℃ to obtain a material C;
5) mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D;
6) respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65-75 ℃ by a heat exchanger to obtain the emulsified asphalt.
Compared with the prior art, the invention has the beneficial effects that:
1) the water reducing agent is added into the emulsified asphalt as a component, so that the emulsified asphalt can play a role of the water reducing agent when being mixed with cement, operation steps during construction are reduced, the surface activity of the emulsified asphalt can be utilized, emulsification assisting effect is realized when the emulsified asphalt is produced, the emulsification effect is improved, the water reducing agent is used, the added water amount is reduced, the frost resistance of CA mortar is further improved under the synergistic effect of alcohol, the mortar is prevented from frost cracking or freeze-thaw loosening in winter, the cement mixing index is obviously improved, and the cement mixing index can be obviously improved;
2) the emulsifier used by the modified emulsified asphalt is prepared by compounding and combining a basic emulsifier and an auxiliary emulsifier, and then adding a certain amount of curing agent and plasticizer to enhance the stability of the emulsified asphalt, so that the produced emulsified asphalt has good performance and high storage stability, and has the characteristics of short demulsification time, good adhesion performance with aggregate and the like when being used in pavement construction engineering.
Detailed Description
The water reducing agent is added into the emulsified asphalt as a component, so that the emulsified asphalt can play a role of the water reducing agent when being mixed with cement, operation steps during construction are reduced, surface activity of the emulsified asphalt can be utilized, emulsification assisting effect is realized when the emulsified asphalt is produced, emulsification effect is improved, added water is reduced due to the use of the water reducing agent, freezing resistance of CA mortar is further improved under the synergistic effect of alcohol, the mortar is prevented from being subjected to frost cracking or freeze-thaw loosening in winter, particularly, cement mixing indexes are obviously improved, and cement mixing performance can be obviously improved.
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Weighing 55 parts of asphalt, 12 parts of a basic emulsifier, 8 parts of a co-emulsifier, 1 part of a water reducing agent, 0.5 part of a plasticizer, 12 parts of thermosetting resin, 2 parts of a phosphate emulsifier, 5 parts of a curing agent, 9 parts of nano silicon dioxide, 20 parts of alcohol and 25 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is alkylamide polyamine, the co-emulsifier is alkyl quaternary ammonium salt, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is ethanol, the water reducing agent is a naphthalene sulfonic acid formaldehyde condensate, the curing agent is a water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 130 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65 ℃ by a heat exchanger to obtain the emulsified asphalt.
Example 2
According to the method, 57 parts of asphalt, 14 parts of a basic emulsifier, 9 parts of a co-emulsifier, 2 parts of a water reducing agent, 0.6 part of a plasticizer, 14 parts of thermosetting resin, 3 parts of a phosphate ester emulsifier, 6 parts of a curing agent, 10 parts of nano silicon dioxide, 22 parts of alcohol and 27 parts of deionized water are sequentially weighed according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is hexadecyl trimethyl ammonium chloride, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is propanol, the water reducing agent is lignosulfonate, the curing agent is water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 135 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 55 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 70 ℃ by a heat exchanger to obtain the emulsified asphalt.
Example 3
59 parts of asphalt, 16 parts of basic emulsifier, 10 parts of co-emulsifier, 3 parts of water reducing agent, 0.7 part of plasticizer, 16 parts of thermosetting resin, 4 parts of phosphate ester emulsifier, 7 parts of curing agent, 12 parts of nano silicon dioxide, 24 parts of alcohol and 30 parts of deionized water are sequentially weighed according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is polyethylene polyamine, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducing agent is sulfamate, the curing agent is water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 140 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 60 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 75 ℃ by a heat exchanger to obtain the emulsified asphalt.
Example 4
Weighing 65 parts of asphalt, 16 parts of basic emulsifier, 10 parts of co-emulsifier, 2 parts of water reducer, 0.8 part of plasticizer, 18 parts of thermosetting resin, 5 parts of phosphate ester emulsifier, 8 parts of curing agent, 13 parts of nano silicon dioxide, 25 parts of alcohol and 30 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of hexadecyl trimethyl ammonium chloride and alkylamide polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducer is a mixture of naphthalene sulfonic acid formaldehyde condensate and lignosulfonate, the mixing ratio is 1:1, the curing agent is water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 130 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65 ℃ by a heat exchanger to obtain the emulsified asphalt.
Example 5
Weighing 70 parts of asphalt, 18 parts of basic emulsifier, 11 parts of co-emulsifier, 2 parts of water reducer, 0.9 part of plasticizer, 20 parts of thermosetting resin, 6 parts of phosphate ester emulsifier, 9 parts of curing agent, 15 parts of nano silicon dioxide, 28 parts of alcohol and 33 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of alkylamide polyamine and polyethylene polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducer is lignosulfonate and sulfamate, the curing agent is aqueous isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 140 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 70 ℃ by a heat exchanger to obtain the emulsified asphalt.
Example 6
Weighing 75 parts of asphalt, 20 parts of basic emulsifier, 12 parts of co-emulsifier, 3 parts of water reducer, 1 part of plasticizer, 24 parts of thermosetting resin, 7 parts of phosphate emulsifier, 10 parts of curing agent, 17 parts of nano-silica, 30 parts of alcohol and 35 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of alkylamide polyamine and polyethylene polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano-silica is 30-40nm, the alcohol is ethanol, the water reducer is lignosulfonate and sulfamate, the curing agent is aqueous isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 140 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 70 ℃ by a heat exchanger to obtain the emulsified asphalt.
Comparative example 1
Weighing 65 parts of asphalt, 16 parts of basic emulsifier, 10 parts of co-emulsifier, 2 parts of water reducing agent, 0.8 part of plasticizer, 5 parts of phosphate emulsifier, 8 parts of curing agent, 13 parts of nano silicon dioxide, 25 parts of alcohol and 30 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of hexadecyl trimethyl ammonium chloride and alkylamide polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducing agent is a mixture of naphthalene sulfonic acid formaldehyde condensate and lignosulfonate, the mixing ratio is 1:1, the curing agent is water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 130 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier and a co-emulsifier together in water to prepare a soap solution, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65 ℃ by a heat exchanger to obtain the emulsified asphalt.
Comparative example 2
Weighing 65 parts of asphalt, 16 parts of basic emulsifier, 10 parts of co-emulsifier, 2 parts of water reducing agent, 0.8 part of plasticizer, 18 parts of thermosetting resin, 5 parts of phosphate ester emulsifier, 8 parts of curing agent, 25 parts of alcohol and 30 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of hexadecyl trimethyl ammonium chloride and alkylamide polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducing agent is a mixture of naphthalene sulfonic acid formaldehyde condensate and lignosulfonate, the mixing ratio is 1:1, the curing agent is water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 130 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier, an auxiliary emulsifier and thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring the phosphate emulsifier to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65 ℃ by a heat exchanger to obtain the emulsified asphalt.
Comparative example 3
Weighing 65 parts of asphalt, 16 parts of a basic emulsifier, 10 parts of a co-emulsifier, 2 parts of a water reducing agent, 0.8 part of a plasticizer, 5 parts of a phosphate emulsifier, 8 parts of a curing agent, 25 parts of alcohol and 30 parts of deionized water in sequence according to corresponding mass parts, wherein the asphalt is petroleum asphalt, the basic emulsifier is a mixture of hexadecyl trimethyl ammonium chloride and alkylamide polyamine, the mixing ratio is 1:1, the co-emulsifier is alkyl propylene diamine, the particle size of the nano silicon dioxide is 30-40nm, the alcohol is butanediol, the water reducing agent is a mixture of a naphthalene sulfonic acid formaldehyde condensate and lignosulfonate, the mixing ratio is 1:1, the curing agent is a water-based isocyanate curing agent OS-901, and the plasticizer is dibutyl phthalate; heating asphalt to 130 ℃ to obtain a material A; mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B; dissolving a basic emulsifier and a co-emulsifier together in water to prepare a soap solution, and keeping the temperature at 50 ℃ to obtain a material C; mixing and stirring the phosphate emulsifier to obtain a material D; respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65 ℃ by a heat exchanger to obtain the emulsified asphalt.
The performance of the products of examples 1-6 and comparative examples 1-3 was tested and compared as shown in the following table (emulsifier type and emulsification results):
in conclusion, the water reducing agent is added into the emulsified asphalt as a component, so that the emulsified asphalt can play a role of the water reducing agent when being mixed with cement, the operation steps during construction are reduced, the surface activity of the emulsified asphalt can be utilized, the emulsified asphalt can play a role in emulsification assistance when being produced, the emulsification effect is improved, the water adding amount is reduced due to the use of the water reducing agent, the frost resistance of CA mortar is further improved under the synergistic effect of alcohol, the mortar is prevented from being subjected to frost cracking or freeze-thaw loosening in winter, particularly, the cement mixing index is obviously improved, and the cement mixing index can be obviously improved; the emulsifier used by the modified emulsified asphalt is prepared by compounding and combining a basic emulsifier and an auxiliary emulsifier, and then adding a certain amount of curing agent and plasticizer to enhance the stability of the emulsified asphalt, so that the produced emulsified asphalt has good performance and high storage stability, and has the characteristics of short demulsification time, good adhesion performance with aggregate and the like when being used in pavement construction engineering.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The emulsified asphalt is characterized by comprising the following raw materials in parts by weight: 55-75 parts of asphalt, 12-20 parts of basic emulsifier, 8-12 parts of co-emulsifier, 1-3 parts of water reducing agent, 0.5-1 part of plasticizer, 12-24 parts of thermosetting resin, 2-7 parts of phosphate emulsifier, 5-10 parts of curing agent, 9-17 parts of nano silicon dioxide, 20-30 parts of alcohol and 25-35 parts of deionized water.
2. The emulsified asphalt as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 65 parts of asphalt, 16 parts of a basic emulsifier, 10 parts of a co-emulsifier, 2 parts of a water reducing agent, 0.8 part of a plasticizer, 18 parts of thermosetting resin, 5 parts of a phosphate emulsifier, 8 parts of a curing agent, 13 parts of nano silicon dioxide, 25 parts of alcohol and 30 parts of deionized water.
3. An emulsified asphalt as defined in claim 1 or 2, wherein said asphalt is petroleum asphalt.
4. The emulsified asphalt as defined in claim 3, wherein said base emulsifier is one or more of cetyltrimethylammonium chloride, alkylamide polyamine and polyethylene polyamine.
5. The emulsified asphalt as defined in claim 4, wherein said co-emulsifier is alkyl propylene diamine or alkyl quaternary ammonium salt.
6. The emulsified asphalt as defined in claim 5, wherein the nano-silica has a particle size of 30-40 nm.
7. The emulsified asphalt as defined in claim 6, wherein the alcohol is ethanol, propanol or butanediol.
8. The emulsified asphalt as defined in claim 7, wherein the water reducing agent is one or more of naphthalene sulfonic acid formaldehyde condensate, lignosulfonate and sulfamate.
9. The emulsified asphalt as defined in claim 8, wherein said curing agent is an aqueous isocyanate curing agent OS-901, and said plasticizer is dibutyl phthalate.
10. A process for the preparation of an emulsified asphalt as defined in any one of claims 1 to 9, comprising the steps of:
1) sequentially weighing asphalt, a basic emulsifier, an auxiliary emulsifier, a water reducing agent, a plasticizer, thermosetting resin, a phosphate emulsifier, a curing agent, nano silicon dioxide, alcohol and deionized water according to corresponding mass parts;
2) heating the asphalt to 130-150 ℃ to obtain a material A;
3) mixing and stirring the water reducing agent and the alcohol uniformly, and then adding the plasticizer and the curing agent into the mixture of the water reducing agent and the alcohol under the stirring state to prepare paste to obtain a material B;
4) dissolving the basic emulsifier, the auxiliary emulsifier and the thermosetting resin into water to prepare soap liquid, and keeping the temperature at 50-60 ℃ to obtain a material C;
5) mixing and stirring a phosphate emulsifier and nano silicon dioxide to obtain a material D;
6) respectively conveying the material A, the material B, the material C and the material D into a colloid mill, uniformly dispersing by the colloid mill to obtain an oil-in-water emulsion, and discharging the emulsion out of the system when the temperature of the emulsion is reduced to 65-75 ℃ by a heat exchanger to obtain the emulsified asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090451.9A CN112759943A (en) | 2021-01-22 | 2021-01-22 | Emulsified asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090451.9A CN112759943A (en) | 2021-01-22 | 2021-01-22 | Emulsified asphalt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112759943A true CN112759943A (en) | 2021-05-07 |
Family
ID=75706728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110090451.9A Pending CN112759943A (en) | 2021-01-22 | 2021-01-22 | Emulsified asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112759943A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724278A (en) * | 2008-10-29 | 2010-06-09 | 中国石油化工股份有限公司 | Anti-freezing emulsified asphalt and preparation method thereof |
| CN103058589A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Cement asphalt mortar and preparation method thereof |
| CN103058588A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Anti-freezing cement asphalt mortar and preparation method thereof |
| CN103059581A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Anti-freezing emulsified asphalt and preparation method thereof |
| CN103059583A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Emulsified asphalt and preparation method thereof |
| CN103804930A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified emulsified asphalt and preparation method thereof |
| CN103803893A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Cement asphalt mortar and preparation method thereof |
| CN107216096A (en) * | 2017-07-21 | 2017-09-29 | 张娟 | A kind of preparation method of enhanced rubber powder modified concrete asphalt mortar |
| CN108977080A (en) * | 2018-08-21 | 2018-12-11 | 四川蜀羊防水材料有限公司 | Weather resistant polymer modified asphalt cement water-repellent paint and preparation method thereof |
| CN110183865A (en) * | 2019-06-10 | 2019-08-30 | 中南大学 | A kind of preparation method of modified pitch |
-
2021
- 2021-01-22 CN CN202110090451.9A patent/CN112759943A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724278A (en) * | 2008-10-29 | 2010-06-09 | 中国石油化工股份有限公司 | Anti-freezing emulsified asphalt and preparation method thereof |
| CN103058589A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Cement asphalt mortar and preparation method thereof |
| CN103058588A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Anti-freezing cement asphalt mortar and preparation method thereof |
| CN103059581A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Anti-freezing emulsified asphalt and preparation method thereof |
| CN103059583A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Emulsified asphalt and preparation method thereof |
| CN103804930A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified emulsified asphalt and preparation method thereof |
| CN103803893A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Cement asphalt mortar and preparation method thereof |
| CN107216096A (en) * | 2017-07-21 | 2017-09-29 | 张娟 | A kind of preparation method of enhanced rubber powder modified concrete asphalt mortar |
| CN108977080A (en) * | 2018-08-21 | 2018-12-11 | 四川蜀羊防水材料有限公司 | Weather resistant polymer modified asphalt cement water-repellent paint and preparation method thereof |
| CN110183865A (en) * | 2019-06-10 | 2019-08-30 | 中南大学 | A kind of preparation method of modified pitch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102863804B (en) | SBS polymer modified emulsified asphalt and preparation method | |
| CN101643584B (en) | Modified emulsified asphalt with excellent temperature adaptability and preparation method thereof | |
| CN102675890B (en) | Demulsifying slow breaking and quick setting modified emulsified asphalt by microwave heating and preparation method thereof | |
| CN103059581B (en) | Anti-freezing emulsified asphalt and preparation method thereof | |
| CN103059583B (en) | Emulsified asphalt and preparation method thereof | |
| CN110078448B (en) | Anti-cracking early-strength concrete and preparation method thereof | |
| CN101817984A (en) | Emulsified asphalt and preparation method thereof | |
| CN106746927A (en) | Nano-compound modified asphalt and preparation method thereof | |
| CN102031001B (en) | Road bentonite-based emulsified asphalt and preparation method thereof | |
| CN104250443A (en) | Modified emulsified bitumen for high-speed rails and preparation method thereof | |
| CN108658502B (en) | Anti-mud agent for stabilizing reclaimed water and application method thereof | |
| CN103058589B (en) | Cement asphalt mortar and preparation method thereof | |
| CN104356658B (en) | Modified emulsified asphalt and preparation method thereof | |
| CN111718590A (en) | Magnetic powder modified asphalt and preparation method thereof | |
| CN103058588B (en) | Anti-freezing cement asphalt mortar and preparation method thereof | |
| CN109320125B (en) | Concrete admixture, preparation method and use method thereof | |
| CN103030983A (en) | High-elastic modified emulsified asphalt and preparation method thereof | |
| CN102701633B (en) | High-efficiency concrete air entraining agent and preparation method thereof | |
| CN102757654A (en) | Prime coat oil and method for preparing same | |
| CN114316362A (en) | Asphalt mixture adhesion improving method based on silane coupling agent hydrolysis powder | |
| CN112759943A (en) | Emulsified asphalt and preparation method thereof | |
| CN110982094B (en) | Reactive solvent and application | |
| CN110003850B (en) | Composite emulsified asphalt waterproof bonding layer material and preparation method thereof | |
| CN102807818A (en) | Asphalt concrete isolating agent for adhesion prevention of paver and transportation car hopper and preparation method thereof | |
| CN113860800B (en) | Pressure-sensitive early-strength microcapsule cold-mix asphalt mixture and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |