CN110791110A - Asphalt adhesion promoter and preparation method thereof - Google Patents
Asphalt adhesion promoter and preparation method thereof Download PDFInfo
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- CN110791110A CN110791110A CN201911078713.9A CN201911078713A CN110791110A CN 110791110 A CN110791110 A CN 110791110A CN 201911078713 A CN201911078713 A CN 201911078713A CN 110791110 A CN110791110 A CN 110791110A
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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
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
Abstract
The invention discloses an asphalt adhesion promoter and a preparation method thereof, wherein the asphalt adhesion promoter comprises the following components in parts by weight: 10-15 parts of sodium stearate, 4-6 parts of yttrium chloride powder and 30-40 parts of sodium dodecyl benzene sulfonate. The three substances have higher decomposition temperature and cannot be decomposed at the temperature of heating and melting the asphalt, wherein the sodium stearate mainly plays two roles of a lubricant and a heat stabilizer, so that the asphalt adhesion promoter and the asphalt can be conveniently mixed when the asphalt adhesion promoter plays a lubricating role, and the sodium stearate mainly plays a role of the heat stabilizer in the mixing process and the time after the asphalt pavement is paved; according to the scheme, the water stability of the asphalt pavement is improved through the synergistic effect of yttrium chloride powder and sodium dodecyl benzene sulfonate.
Description
Technical Field
The invention relates to the field of asphalt road construction, in particular to an asphalt adhesion promoter and a preparation method thereof.
Background
Asphalt is widely applied to the road construction process as a building material. Because the asphalt is an organic matter which only has weak polarity, water resistance and oleophylicity; various stones are inorganic substances having natural affinity with moisture and strong polar surfaces, so that they are not compatible with each other and certainly cannot be firmly bonded to each other.
In order to solve the above problems, patent with publication number CN102174264B discloses an anti-stripping agent for road asphalt and a preparation method thereof. The invention relates to an asphalt anti-stripping agent, which comprises the following components: is prepared from the following raw materials: 50-65 parts of polyethylene glycol, 10-30 parts of alkoxy aliphatic polyamine, 5-15 parts of alkylamine, 5-15 parts of polyamine, 1-2 parts of alcohol ether compound and 13-29 parts of diethanolamine.
The compound can obviously enhance the adhesiveness of asphalt and acidic stone materials when being used as an anti-stripping agent in laboratory tests, but the effect is not ideal in the actual use process, the main reason is that the thermal stability is poor, and the asphalt needs to be heated and melted when being mixed into an asphalt mixture, and most of amine substances are decomposed at the moment, so that the water stability is reduced.
Disclosure of Invention
In view of the disadvantages of the prior art, the first objective of the present invention is to provide an asphalt adhesion promoter with better water stability.
The technical purpose of the invention is realized by the following technical scheme: an asphalt adhesion promoter comprises the following components in parts by weight: 10-15 parts of sodium stearate, 4-6 parts of yttrium chloride powder and 30-40 parts of sodium dodecyl benzene sulfonate.
The three substances have higher decomposition temperature and cannot be decomposed at the temperature of heating and melting the asphalt, wherein the sodium stearate mainly plays two roles of a lubricant and a heat stabilizer, so that the asphalt adhesion promoter and the asphalt can be conveniently mixed when the asphalt adhesion promoter plays a lubricating role, and the sodium stearate mainly plays a role of the heat stabilizer in the mixing process and the time after the asphalt pavement is paved; according to the scheme, the water stability of the asphalt pavement is improved through the synergistic effect of yttrium chloride powder and sodium dodecyl benzene sulfonate.
Further, the graphene also comprises 3-5 parts by weight of graphene.
The graphene is high-temperature resistant, the adhesion of the asphalt can be improved by adding the graphene, and the water stability of the asphalt pavement is improved.
Further, 30-35 parts of sodium dodecyl benzene sulfonate.
30-35 parts of sodium dodecyl benzene sulfonate is beneficial to controlling the cost on the premise of ensuring the effect.
Furthermore, the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are not more than 0.5 mm.
The diameter of each substance is controlled in a small range, so that the substances can be uniformly mixed and can flow in application.
Further, the diameter of the graphene is 10-15 μm.
Further, the graphene is prepared from single-layer graphene and graphene oxide in a weight ratio of 3: 1-1.2: double-layer graphene.
The test shows that: the graphene component can further improve the water stability of the asphalt pavement.
The second purpose of the invention is to provide a preparation method of the asphalt adhesion promoter, which is used for preparing the asphalt adhesion promoter.
The preparation method of the asphalt adhesion promoter is that sodium stearate, yttrium chloride powder and sodium dodecyl benzene sulfonate are stirred and mixed.
Further, the stirring container is heated before stirring, the heating temperature is 30-40 ℃, and the temperature of the stirring container is kept during stirring.
In conclusion, the invention has the following beneficial effects: the asphalt adhesion promoter of the present invention has water stability and high performance temperature.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 2 an asphalt adhesion promoter comprising, in parts by weight: 12 parts of sodium stearate, 5 parts of yttrium chloride powder, 35 parts of sodium dodecyl benzene sulfonate and 4 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 3 an asphalt adhesion promoter comprising, in parts by weight: 15 parts of sodium stearate, 6 parts of yttrium chloride powder, 40 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 4 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 5 parts of yttrium chloride powder, 40 parts of sodium dodecyl benzene sulfonate and 4 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 5 an asphalt adhesion promoter comprising, in parts by weight: 15 parts of sodium stearate, 5 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 5 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 6 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder and 30 parts of sodium dodecyl benzene sulfonate; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3 mm.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder and sodium dodecyl benzene sulfonate, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 7 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 8 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 1.1: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 9 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.4: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 10 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene with a weight ratio of 3: 0.9: double-layer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 11 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 12 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from double-layer graphene with a weight ratio of 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: firstly heating a stirring container at 38 ℃, stirring and mixing sodium stearate, yttrium chloride powder, sodium dodecyl benzene sulfonate and graphene, and keeping the temperature of the stirring container at 38 ℃ in the stirring process.
Example 13 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 10 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: directly stirring and mixing the sodium stearate, the yttrium chloride powder, the sodium dodecyl benzene sulfonate and the graphene.
Example 14 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.6mm, and the diameter of the graphene is 15 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: directly stirring and mixing the sodium stearate, the yttrium chloride powder, the sodium dodecyl benzene sulfonate and the graphene.
Example 15 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.3mm, and the diameter of the graphene is 20 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: directly stirring and mixing the sodium stearate, the yttrium chloride powder, the sodium dodecyl benzene sulfonate and the graphene.
Example 16 an asphalt adhesion promoter comprising, in parts by weight: 10 parts of sodium stearate, 4 parts of yttrium chloride powder, 30 parts of sodium dodecyl benzene sulfonate and 3 parts of graphene; the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are all 0.7mm, and the diameter of the graphene is 20 mu m; the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1.2: multilayer graphene.
The preparation method comprises the following steps: directly stirring and mixing the sodium stearate, the yttrium chloride powder, the sodium dodecyl benzene sulfonate and the graphene.
Comparative example 1: an asphalt adhesion promoter which differs from example 1 in that: sodium dodecylbenzenesulfonate was replaced with sodium p-toluenesulfonate.
The asphalt adhesion promoter used in examples 1-16 and comparative example 1 above was melted in a ratio of 0.3% by weight in No. 70 base asphalt.
A Marshall test piece is subjected to a Marshall stability test and a freeze-thaw splitting test according to an asphalt mixture Marshall stability test and an asphalt mixture freeze-thaw splitting test of road engineering asphalt and asphalt mixture test procedures, and the results are shown in the following table.
Comparing examples 1-5 and 7-8 with examples 9-10, it is seen that the ratio range of graphene has a large influence on the water stability of the product, and comparing examples 1-5 and 7-8 with examples 11-12, the kind of graphene has a large influence on the water stability of the product; by the examples 1 and 13, the preparation method has less influence on the water stability of the product; by comparing examples 1-5 with examples 14-16, the change in the diameter of the feedstock has less effect on the water stability of the product; it can be seen from a comparison of examples 1-5 and example 6 that the addition of graphene has a greater effect on the water stability of the product.
Claims (8)
1. The asphalt adhesion promoter is characterized by comprising the following components in parts by weight: 10-15 parts of sodium stearate, 4-6 parts of yttrium chloride powder and 30-40 parts of sodium dodecyl benzene sulfonate.
2. The asphalt adhesion promoter according to claim 1, wherein: 3-5 parts of graphene.
3. The asphalt adhesion promoter according to claim 1, wherein: 30-35 parts of sodium dodecyl benzene sulfonate.
4. The asphalt adhesion promoter according to claim 1, wherein: the particle diameters of the sodium stearate, the yttrium chloride powder and the sodium dodecyl benzene sulfonate are not more than 0.5 mm.
5. The asphalt adhesion promoter as set forth in claim 2, wherein: the diameter of the graphene is 10-15 μm.
6. The asphalt adhesion promoter as set forth in claim 2, wherein: the graphene is prepared from single-layer graphene and graphene, wherein the weight ratio of the single-layer graphene to the graphene is 3: 1-1.2: double-layer graphene.
7. The preparation method of the asphalt adhesion promoter is characterized by comprising the following steps: sodium stearate, yttrium chloride powder and sodium dodecyl benzene sulfonate are stirred and mixed.
8. The method for preparing asphalt adhesion promoter according to claim 7, wherein: heating the stirring container at 30-40 deg.C before stirring, and maintaining the temperature of the stirring container during stirring.
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