CN114716834B - Modified emulsified asphalt, preparation method and application thereof - Google Patents
Modified emulsified asphalt, preparation method and application thereof Download PDFInfo
- Publication number
- CN114716834B CN114716834B CN202210373239.8A CN202210373239A CN114716834B CN 114716834 B CN114716834 B CN 114716834B CN 202210373239 A CN202210373239 A CN 202210373239A CN 114716834 B CN114716834 B CN 114716834B
- Authority
- CN
- China
- Prior art keywords
- parts
- asphalt
- emulsified asphalt
- modified
- modified emulsified
- 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.)
- Active
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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the technical field of waterproof paint, in particular to modified emulsified asphalt, a preparation method and application thereof. The invention provides modified emulsified asphalt which is prepared from the following raw materials in parts by weight: 58.00 to 60.00 portions of asphalt; 1.80 to 2.00 portions of anionic emulsifier; 0.08 to 0.10 portion of stabilizer; 2.00-4.00 parts of modifier; 34.50 to 38.50 portions of water; 0.2 to 0.4 part of pH regulator; the anionic emulsifier is JY-412A; the stabilizer is a mixed biological stabilizer comprising hydroxyethyl cellulose and clay. The waterproof coating prepared from the modified emulsified asphalt provided by the invention has higher peel strength and lower water absorption rate.
Description
Technical Field
The invention relates to the technical field of waterproof paint, in particular to modified emulsified asphalt, a preparation method and application thereof.
Background
With the importance of human beings on environmental protection, the use of water-based paint will be wider and wider. The water-based paint has the following advantages: firstly, the water-based paint is constructed at normal temperature, secondary heating is not needed, the energy consumption is reduced, and meanwhile, organic gas is not generated; and secondly, the coating is fast in construction speed and short in construction period.
Compared with the asphalt-based waterproof coiled material, the asphalt-based water-based waterproof coating has relatively weak peeling strength index, so that the improvement of the adhesiveness (peeling strength) of the waterproof coating is an important work, and the improvement of the adhesiveness of emulsified asphalt is more beneficial to the improvement of the adhesiveness of the waterproof coating.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a modified emulsified asphalt, a preparation method and application thereof.
The invention provides modified emulsified asphalt which is prepared from the following raw materials in parts by weight:
56.00-60.00 parts of asphalt;
1.80-2.00 parts of anionic emulsifier;
0.08-0.10 parts of stabilizer;
2.00-4.00 parts of modifier;
34.50-38.50 parts of water;
0.2-0.4 parts of pH regulator;
the anionic emulsifier is JY-A412;
the stabilizer is a mixed biological stabilizer comprising hydroxyethyl cellulose and clay.
Preferably, the asphalt is 70# asphalt;
the density of the asphalt at 15 ℃ is 0.98-1.02 g/cm 3 。
Preferably, in the stabilizer, the mass ratio of the hydroxyethyl cellulose to the clay is 50-60: 40-50.
Preferably, the modifier is a C5 resin.
Preferably, the pH regulator is sodium hydroxide solution;
the water is deionized water.
The invention also provides a preparation method of the modified emulsified asphalt, which comprises the following steps:
a) Placing the soap solution at 55-60 ℃ into a colloid mill, starting the colloid mill, then adding modified asphalt at 140-145 ℃ into the soap solution at a rate of 400-500 g/min, and continuing mixing after the addition is completed to obtain an emulsified asphalt finished product;
the soap solution is prepared according to the following method:
mixing a sodium hydroxide solution with deionized water, heating to 55-60 ℃, adding a stabilizer under the condition of stirring, completely dissolving, and then adding an anionic emulsifier under the condition of stirring to completely dissolve;
the modified asphalt is prepared according to the following method:
heating asphalt to 140-150 ℃, adding a modifier into the asphalt, uniformly mixing, and sieving to a particle-free state;
b) And (3) placing the emulsified asphalt finished product in cooling water with the temperature of 10-15 ℃, and cooling to 25-30 ℃ under the condition of stirring to obtain the modified emulsified asphalt.
Preferably, in the preparation method of the soap solution, the stirring speed is 400-500 r/min when the stabilizer is added;
the stirring speed is 500-600 r/min when the anionic emulsifier is added.
Preferably, in the step A), the continuous mixing time is 0.8-1.2 min.
Preferably, in the step B), the stirring rotation speed is 40-80 r/min.
The invention also provides a waterproof coating, which comprises the following components in parts by weight:
70-80 parts of modified emulsified asphalt;
20-30 parts of acrylic latex;
0.5-1.5 parts of thickener;
the modified emulsified asphalt is the modified emulsified asphalt described above or the modified emulsified asphalt prepared by the preparation method described above.
The invention provides modified emulsified asphalt which is prepared from the following raw materials in parts by weight: 56.00-60.00 parts of asphalt; 1.80-2.00 parts of anionic emulsifier; 0.08-0.10 parts of stabilizer; 2.00-4.00 parts of modifier; 34.50-38.50 parts of water; 0.2-0.4 parts of pH regulator; the anionic emulsifier is JY-A412; the stabilizer is a mixed biological stabilizer comprising hydroxyethyl cellulose and clay. The waterproof coating prepared from the modified emulsified asphalt provided by the invention has higher peel strength and lower water absorption rate.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides modified emulsified asphalt which is prepared from the following raw materials in parts by weight:
56.00-60.00 parts of asphalt;
1.80-2.00 parts of anionic emulsifier;
0.08-0.10 parts of stabilizer;
2.00-4.00 parts of modifier;
34.50-38.50 parts of water;
0.2-0.4 parts of pH regulator;
the anionic emulsifier is JY-A412;
the stabilizer is a mixed biological stabilizer comprising hydroxyethyl cellulose and clay.
In certain embodiments of the invention, the parts by weight of the bitumen is 56 parts, 57 parts or 58 parts.
In certain embodiments of the present invention, the asphalt is No. 70 asphalt. The density of the asphalt at 15 ℃ is 0.98-1.02 g/cm 3 。
In certain embodiments of the invention, the anionic emulsifier is 1.8 parts, 1.9 parts, or 2 parts by weight.
In certain embodiments of the invention, the stabilizer is 0.1 parts, 0.09 parts, or 0.08 parts by weight.
In some embodiments of the present invention, the mass ratio of hydroxyethyl cellulose to clay in the stabilizer is 50-60: 40-50.
The kind and source of the mixed biostabilizer comprising hydroxyethyl cellulose and clay are not particularly limited and may be generally commercially available.
In certain embodiments of the invention, the modifier is 2.5 parts, 3 parts, or 3.5 parts by weight.
In certain embodiments of the invention, the modifier is a C5 resin.
In certain embodiments of the invention, the weight fraction of the pH adjuster is 0.28 parts or 0.2 parts.
In certain embodiments of the invention, the pH adjuster is sodium hydroxide solution and the solvent is deionized water. In some embodiments, the sodium hydroxide solution has a mass concentration of 10% -30%. In certain embodiments, the sodium hydroxide solution has a mass concentration of 20%.
In some embodiments of the present invention, the water is 34.90 to 38.12 parts by weight. In certain embodiments, the water is 37.5 parts, 36 parts, or 35 parts by weight.
In certain embodiments of the invention, the water is deionized water.
The invention also provides a preparation method of the modified emulsified asphalt, which comprises the following steps:
a) Placing the soap solution at 55-60 ℃ into a colloid mill, starting the colloid mill, then adding modified asphalt at 140-145 ℃ into the soap solution at a rate of 400-500 g/min, and continuing mixing after the addition is completed to obtain an emulsified asphalt finished product;
b) And (3) placing the emulsified asphalt finished product in cooling water with the temperature of 10-15 ℃, and cooling to 25-30 ℃ under the condition of stirring to obtain the modified emulsified asphalt.
According to the invention, soap solution at 55-60 ℃ is placed in a colloid mill, the colloid mill is started, then modified asphalt at 140-145 ℃ is added into the soap solution at a rate of 400-500 g/min, and after the addition is completed, the mixture is continuously mixed, so that an emulsified asphalt finished product is obtained.
In the invention, the soap solution is prepared according to the following method:
and mixing the sodium hydroxide solution with deionized water, heating to 55-60 ℃, adding a stabilizer under the condition of stirring, and adding an anionic emulsifier under the condition of stirring after complete dissolution.
In some embodiments of the present invention, the pH value of the mixed sodium hydroxide solution and deionized water is 11-12.
In certain embodiments of the invention, the temperature is raised to 60 ℃.
In some embodiments of the invention, the rotational speed of stirring when adding the stabilizer is 400-500 r/min. In some embodiments, the stirring speed is 500 r/min when the stabilizer is added.
In some embodiments of the invention, the stirring speed is 500-600 r/min when the anionic emulsifier is added. In certain embodiments, the stirring speed is 600 r/min when the anionic emulsifier is added.
The modified asphalt is prepared according to the following method:
and heating the asphalt to 140-150 ℃, adding the modifier into the asphalt, uniformly mixing, and sieving to a particle-free state to obtain the modified asphalt.
In some embodiments of the invention, the rotational speed of the colloid mill is controlled to be 500 r/min.
In certain embodiments of the invention, the modified asphalt is added to the soap solution at a rate of 400 g/min.
In certain embodiments of the invention, 145 ℃ modified asphalt is added to the soap solution.
In some embodiments of the invention, the mixing is continued for a period of 0.8 to 1.2 minutes. In certain embodiments, mixing is continued for a period of 1 min.
And after the emulsified asphalt finished product is obtained, placing the emulsified asphalt finished product into cooling water at 10-15 ℃, and cooling to 25-30 ℃ under the condition of stirring to obtain the modified emulsified asphalt.
In some embodiments of the present invention, the stirring speed is 40-80 r/min. In certain embodiments, the stirring is at a speed of 60 r/min.
In certain embodiments of the invention, the cooling water has a temperature of 12 ℃.
In certain embodiments of the invention, the temperature is reduced to 28 ℃ with stirring.
In certain embodiments of the present invention, the resulting modified emulsified asphalt may be stored in a sealed manner, thereby reducing skinning of the modified emulsified asphalt.
The invention also provides a waterproof coating, which comprises the following components in parts by weight:
70-80 parts of modified emulsified asphalt;
20-30 parts of acrylic latex;
0.5-1.5 parts of thickener;
the modified emulsified asphalt is the modified emulsified asphalt described above or the modified emulsified asphalt prepared by the preparation method described above. In certain embodiments of the invention, the modified emulsified asphalt is 75 parts by weight.
In certain embodiments of the invention, the acrylic latex is 24 parts by weight. The kind and source of the acrylic latex are not particularly limited, and may be generally commercially available.
In certain embodiments of the invention, the thickener is 1 part by weight. The source of the thickener is not particularly limited and may be generally commercially available.
In certain embodiments of the present invention, the waterproof coating may be prepared according to the following method:
and uniformly stirring and mixing the modified emulsified asphalt, the acrylic latex and the thickener to obtain the waterproof coating.
The raw material components and the proportions used in the preparation method of the waterproof coating are the same, and are not repeated here.
In some embodiments of the invention, the stirring speed is 180-220 r/min and the stirring time is 15-25 min.
The source of the raw materials used in the present invention is not particularly limited, and may be generally commercially available.
In order to further illustrate the present invention, the following examples are provided to describe in detail a modified emulsified asphalt and a preparation method thereof, but should not be construed as limiting the scope of the present invention.
The raw materials in the examples are all generally commercially available, asphalt is purchased from the genitals, the emulsifying agent is purchased from the new material of Jinyang, and the stabilizing agent is purchased from Shanghai Wanzhen fine chemical Co.
Example 1
1. Preparing soap liquid: adding 0.28 parts by weight of sodium hydroxide solution (with the mass concentration of 20%) into 37.5 parts by weight of deionized water, heating to 60 ℃ until the pH value of the obtained mixed solution is 11-12, adding 0.1 parts by weight of stabilizer (including the mixed biological stabilizer of hydroxyethyl cellulose and clay) under the stirring condition (with the stirring rotating speed of 500 r/min), stirring until the mixture is completely dissolved, adding 1.8 parts by weight of emulsifier JY-A412 under the stirring condition (with the stirring rotating speed of 600 r/min), stirring until the mixture is completely dissolved, and preserving the heat at 60 ℃ for later use;
2. preparation of modified asphalt: heating 56 parts by weight of asphalt (70 # to 145 ℃), adding 2.5 parts by weight of C5 resin into the asphalt, uniformly mixing, sampling, sieving to a particle-free state, and preserving heat at 145 ℃ for later use;
3. preparing an emulsified asphalt finished product: firstly, placing the soap solution into a colloid mill, starting the colloid mill, adding 145 ℃ modified asphalt into the soap solution at a speed of 400 g/min, and continuing mixing for 1 min after the addition is completed to obtain an emulsified asphalt finished product;
4. post-treatment of finished products: and (3) placing the emulsified asphalt finished product in cooling water at 12 ℃, cooling to 28 ℃ under the condition of the rotating speed of 60 r/min to obtain modified emulsified asphalt, and sealing and storing.
The properties of the modified emulsified asphalt obtained in this example were measured, and the results are shown in Table 1.
Table 1 results of performance test of modified emulsified asphalt of example 1
Example 2
1. Preparing soap liquid: adding 0.2 part by weight of sodium hydroxide solution (the mass concentration is 20%) into 36 parts by weight of deionized water, heating to 60 ℃ until the pH value of the obtained mixed solution is 11-12, adding 0.09 part by weight of stabilizer (mixed biological stabilizer comprising hydroxyethyl cellulose and clay) under stirring condition (the stirring rotating speed is 500 r/min), stirring until the mixture is completely dissolved, adding 1.9 parts by weight of emulsifier JY-A412 under stirring condition (the stirring rotating speed is 600 r/min), stirring until the mixture is completely dissolved, and preserving heat at 60 ℃ for later use;
2. preparation of modified asphalt: heating 56 parts by weight of asphalt (70#) to 145 ℃, adding 3 parts by weight of C5 resin into the asphalt, uniformly mixing, sampling, sieving to a particle-free state, and preserving heat at 145 ℃ for later use;
3. preparing an emulsified asphalt finished product: firstly, placing the soap solution into a colloid mill, starting the colloid mill, adding 145 ℃ modified asphalt into the soap solution at a speed of 400 g/min, and continuing mixing for 1 min after the addition is completed to obtain an emulsified asphalt finished product;
4. post-treatment of finished products: and (3) placing the emulsified asphalt finished product in cooling water at 12 ℃, cooling to 28 ℃ under the condition of the rotating speed of 60 r/min to obtain modified emulsified asphalt, and sealing and storing.
The properties of the modified emulsified asphalt obtained in this example were measured, and the results are shown in Table 2.
TABLE 2 results of Performance test of modified emulsified asphalt of example 2
Example 3
1. Preparing soap liquid: adding 0.2 part by weight of sodium hydroxide solution (the mass concentration is 20%) into 35 parts by weight of deionized water, heating to 60 ℃ until the pH value of the obtained mixed solution is 11-12, adding 0.1 part by weight of stabilizer (mixed biological stabilizer comprising hydroxyethyl cellulose and clay) under stirring (the stirring rotating speed is 500 r/min), stirring until the mixture is completely dissolved, adding 2 parts by weight of emulsifier JY-A412 under stirring (the stirring rotating speed is 600 r/min), stirring until the mixture is completely dissolved, and preserving heat at 60 ℃ for later use;
2. preparation of modified asphalt: heating 57 parts by weight of asphalt (70 # to 145 ℃), adding 3.5 parts by weight of C5 resin into the asphalt, uniformly mixing, sampling, sieving to a particle-free state, and preserving heat at 145 ℃ for later use;
3. preparing an emulsified asphalt finished product: firstly, placing the soap solution into a colloid mill, starting the colloid mill, adding 145 ℃ modified asphalt into the soap solution at the speed of 450 g/min, and continuing mixing for 1 min after the addition is completed to obtain an emulsified asphalt finished product;
4. post-treatment of finished products: and (3) placing the emulsified asphalt finished product in cooling water at 12 ℃, cooling to 28 ℃ under the condition of the rotating speed of 60 r/min to obtain modified emulsified asphalt, and sealing and storing.
The properties of the modified emulsified asphalt obtained in this example were measured, and the results are shown in Table 3.
TABLE 3 results of Performance test of modified emulsified asphalt of example 3
Example 4
1. Preparing soap liquid: adding 0.2 part by weight of sodium hydroxide solution (the mass concentration is 20%) into 36 parts by weight of deionized water, heating to 60 ℃ until the pH value of the obtained mixed solution is 11-12, adding 0.08 part by weight of stabilizer (mixed biological stabilizer comprising hydroxyethyl cellulose and clay) under stirring condition (the stirring rotating speed is 500 r/min), stirring until the mixture is completely dissolved, adding 2 parts by weight of emulsifier JY-A412 under stirring condition (the stirring rotating speed is 600 r/min), stirring until the mixture is completely dissolved, and preserving heat at 60 ℃ for later use;
2. preparation of modified asphalt: heating 58 parts by weight of asphalt (70#) to 145 ℃, adding 3.5 parts by weight of C5 resin into the asphalt, uniformly mixing, sampling, sieving to a particle-free state, and preserving heat at 145 ℃ for later use;
3. preparing an emulsified asphalt finished product: firstly, placing the soap solution into a colloid mill, starting the colloid mill, adding 145 ℃ modified asphalt into the soap solution at the speed of 450 g/min, and continuing mixing for 1 min after the addition is completed to obtain an emulsified asphalt finished product;
4. post-treatment of finished products: and (3) placing the emulsified asphalt finished product in cooling water at 12 ℃, cooling to 28 ℃ under the condition of the rotating speed of 60 r/min to obtain modified emulsified asphalt, and sealing and storing.
The properties of the modified emulsified asphalt obtained in this example were measured, and the results are shown in Table 4.
TABLE 4 results of Performance test of modified emulsified asphalt of example 4
Comparative example 1
1. Preparing soap liquid: adding 0.2 part by weight of sodium hydroxide solution (with the mass concentration of 20%) into 37 parts by weight of deionized water, heating to 60 ℃ until the pH value of the obtained mixed solution is 11-12, adding 0.08 part by weight of stabilizer (hydroxyethyl cellulose) under stirring condition (the stirring rotating speed is 500 r/min), stirring until the stabilizer is completely dissolved, adding 3 parts by weight of oleic emulsifier (sodium oleate) under stirring condition (the stirring rotating speed is 600 r/min), stirring until the stabilizer is completely dissolved, and preserving heat at 60 ℃ for later use;
2. preparation of modified asphalt: heating 57 parts by weight of asphalt (70 # to 145 ℃), adding 3.5 parts by weight of C5 resin into the asphalt, uniformly mixing, sampling, sieving to a particle-free state, and preserving heat at 145 ℃ for later use;
3. preparing an emulsified asphalt finished product: firstly, placing the soap solution into a colloid mill, starting the colloid mill, adding 145 ℃ modified asphalt into the soap solution at the speed of 450 g/min, and continuing mixing for 1 min after the addition is completed to obtain an emulsified asphalt finished product;
4. post-treatment of finished products: and (3) placing the emulsified asphalt finished product in cooling water at 12 ℃, cooling to 28 ℃ under the condition of the rotating speed of 60 r/min to obtain modified emulsified asphalt, and sealing and storing.
The properties of the modified emulsified asphalt obtained in this comparative example were measured, and the results are shown in Table 5.
TABLE 5 results of Performance test of modified emulsified asphalt of comparative example 1
Application example 1
Preparation and performance evaluation of the waterproof coating:
75 parts by weight of modified emulsified asphalt, 24 parts by weight of acrylic latex and 1 part by weight of thickener are stirred for 20 min at the speed of 200 r/min, so that a waterproof coating is obtained; the modified emulsified asphalt is the modified emulsifier in examples 1-4 and comparative example 1 respectively.
The performance of the obtained waterproof paint was tested, and the test results are shown in Table 6 according to TC/T2317-2015 standard. The commercial product in Table 6 was a road emulsified asphalt, and the modified emulsified asphalt was replaced with a road emulsified asphalt, and the remaining steps and parameters were unchanged, to prepare a waterproof coating.
TABLE 6 Performance test results of waterproof coating
As can be seen from Table 6, the peel strength of the waterproof coating prepared by the invention is greater than 3.7 N.mm -1 The water absorption rate is less than 16.5%. The peel strength of the waterproof paint prepared by the invention is obviously higher than that of the waterproof paint sold in the market, and the water absorption of the waterproof paint prepared by the invention is obviously lower than that of the waterproof paint sold in the market.
The above description of the embodiments is only for aiding in the understanding of the method of the present invention and its core ideas. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The modified emulsified asphalt is prepared from the following raw materials in parts by weight:
56.00-60.00 parts of asphalt;
1.80-2.00 parts of anionic emulsifier;
0.08-0.10 parts of stabilizer;
2.00-4.00 parts of modifier;
34.50-38.50 parts of water;
0.2-0.4 parts of pH regulator;
the anionic emulsifier is JY-A412;
the stabilizer is a mixed biological stabilizer comprising hydroxyethyl cellulose and clay; the mass ratio of the hydroxyethyl cellulose to the clay is 50-60: 40-50 parts;
the modifier is C5 resin.
2. The modified emulsified asphalt of claim 1, wherein the asphalt is a No. 70 asphalt;
the density of the asphalt at 15 ℃ is 0.98-1.02 g/cm 3 。
3. The modified emulsified asphalt as set forth in claim 1, wherein the pH adjustor is a sodium hydroxide solution;
the water is deionized water.
4. The method for preparing the modified emulsified asphalt as set forth in claim 1, comprising the steps of:
a) Placing the soap solution at 55-60 ℃ into a colloid mill, starting the colloid mill, then adding modified asphalt at 140-145 ℃ into the soap solution at a rate of 400-500 g/min, and continuing mixing after the addition is completed to obtain an emulsified asphalt finished product;
the soap solution is prepared according to the following method:
mixing a sodium hydroxide solution with deionized water, heating to 55-60 ℃, adding a stabilizer under the condition of stirring, completely dissolving, and then adding an anionic emulsifier under the condition of stirring to completely dissolve;
the modified asphalt is prepared according to the following method:
heating asphalt to 140-150 ℃, adding a modifier into the asphalt, uniformly mixing, and sieving to a particle-free state;
b) And (3) placing the emulsified asphalt finished product in cooling water with the temperature of 10-15 ℃, and cooling to 25-30 ℃ under the condition of stirring to obtain the modified emulsified asphalt.
5. The method according to claim 4, wherein in the method for preparing the soap solution, the stirring speed is 400-500 r/min when the stabilizer is added;
the stirring speed is 500-600 r/min when the anionic emulsifier is added.
6. The method according to claim 4, wherein in the step A), the mixing is continued for 0.8 to 1.2 minutes.
7. The method according to claim 4, wherein in the step B), the stirring speed is 40-80 r/min.
8. The waterproof coating comprises the following components in parts by weight:
70-80 parts of modified emulsified asphalt;
20-30 parts of acrylic latex;
0.5-1.5 parts of thickener;
the modified emulsified asphalt is the modified emulsified asphalt according to any one of claims 1 to 3, or the modified emulsified asphalt produced by the production method according to any one of claims 4 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373239.8A CN114716834B (en) | 2022-04-11 | 2022-04-11 | Modified emulsified asphalt, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373239.8A CN114716834B (en) | 2022-04-11 | 2022-04-11 | Modified emulsified asphalt, preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114716834A CN114716834A (en) | 2022-07-08 |
| CN114716834B true CN114716834B (en) | 2023-04-25 |
Family
ID=82241205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210373239.8A Active CN114716834B (en) | 2022-04-11 | 2022-04-11 | Modified emulsified asphalt, preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114716834B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8822529D0 (en) * | 1988-09-26 | 1988-11-02 | Exxon Chemical Patents Inc | Coating compositions |
| JP2010007352A (en) * | 2008-06-26 | 2010-01-14 | Showa Rekisei Kogyo Kk | Asphalt emulsion |
| CN102702760B (en) * | 2012-06-29 | 2014-05-14 | 陕西师范大学 | Fog seal modified emulsified asphalt and preparation method thereof |
| CN104726024B (en) * | 2015-03-12 | 2018-08-17 | 北京金盾建材有限公司 | A kind of spraying rapid hardening modified waterproof asphalt material and preparation method thereof |
| JP6646362B2 (en) * | 2015-05-07 | 2020-02-14 | 旭化成株式会社 | Modified asphalt emulsion |
-
2022
- 2022-04-11 CN CN202210373239.8A patent/CN114716834B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114716834A (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103980756B (en) | A kind of environmental protection flexible inner wall putty and preparation method thereof | |
| CN104059245A (en) | Method for preparation of rubber vulcanization activator by seed deposition | |
| CN104194004A (en) | A green synthesis method of a nanometer silver-sodium alginate composition | |
| CN104356315A (en) | Antisludge polycarboxylate superplasticizer and preparation method thereof | |
| CN103804553A (en) | Preparation method for graphene/polyvinyl chloride composite material | |
| CN106433598A (en) | Method for preparing agent body A and agent body B of delayed crosslinker for plant gum fracturing fluid | |
| CN106283791A (en) | Environment protection type wallpaper | |
| CN112646383A (en) | Preparation method of high-performance stable PPA (polyphthalamide) and SBS (styrene butadiene styrene) composite modified asphalt | |
| CN114716834B (en) | Modified emulsified asphalt, preparation method and application thereof | |
| CN109971047B (en) | Natural rubber-white carbon black composite material and preparation method and application thereof | |
| WO2017020237A1 (en) | Triple-response type starch-based microgel and preparation method therefor | |
| CN114250040A (en) | Back rubber blanket and process thereof | |
| CN103785854A (en) | Method for utilizing sodium alginate to compound nanogold in environment-friendly mode | |
| CN108735337A (en) | A kind of conductive silver paste and preparation method thereof | |
| CN108912580A (en) | The preparation method of copper nanometer rods enhancing pitch planted roof root resistance material | |
| CN115558303A (en) | Asphalt viscosity reducer, preparation method and application thereof | |
| CN108239221B (en) | Concrete thickener and preparation method thereof | |
| CN109266072A (en) | A kind of low VOC environmental protection coating material and preparation method thereof | |
| CN111777795B (en) | Economical rubber auxiliary agent and preparation method and application thereof | |
| CN103866630A (en) | Xanthan gum wet strength agent and preparation method thereof | |
| CN104560086A (en) | Preparation method for asphalt with high softening point | |
| CN104387641B (en) | A kind of modified rubber powder and its preparation method | |
| CN109456564A (en) | A kind of ageing-resistant rubber and preparation method thereof | |
| CN112280255A (en) | PET film with high flame retardant property | |
| CN103232822B (en) | A kind of containing bentonite adhesives in Packaging 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |