CN112608609A - High-performance environment-friendly asphalt material and preparation method thereof - Google Patents
High-performance environment-friendly asphalt material and preparation method thereof Download PDFInfo
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- CN112608609A CN112608609A CN202011420742.1A CN202011420742A CN112608609A CN 112608609 A CN112608609 A CN 112608609A CN 202011420742 A CN202011420742 A CN 202011420742A CN 112608609 A CN112608609 A CN 112608609A
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a high-performance environment-friendly asphalt material which is characterized by comprising the following components in parts by weight: 75-85 parts of asphalt, 5-8 parts of sulfonated polyphenylene sulfide sulfone, 1-3 parts of triazine hyperbranched quaternary ammonium salt surfactant, 1-3 parts of castor oil based hyperbranched epoxy resin, 4-6 parts of 4, 5-dialdehyde thiazole, 1-2 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 0.8-1.5 parts of catalyst. The invention also provides a preparation method of the high-performance environment-friendly asphalt material. The high-performance environment-friendly asphalt material provided by the invention has the advantages of good comprehensive performance and performance stability, good fatigue resistance, aging resistance and heat-resistant stability, obvious energy-saving and environment-friendly effects, and excellent high-temperature anti-rutting performance, low-temperature anti-cracking performance, flame retardant performance and road performance.
Description
Technical Field
The invention relates to the technical field of asphalt materials, in particular to a high-performance environment-friendly asphalt material and a preparation method thereof.
Background
Asphalt is a final product of petroleum refining, is a cheap and abundant building material widely used in construction, is used for water resistance, moisture resistance, corrosion resistance, rust resistance, leakage resistance and the like, and has certain performances which cannot be compared with synthetic rubber and synthetic resin. With the improvement of road users on the road surface running quality requirements, the flat, wear-resistant and low-noise asphalt concrete road surface is gradually replacing the cement concrete road surface and gradually becomes the main development stream of the tunnel road surface.
The existing asphalt pavement can discharge a large amount of CO in construction2、CO、SO2And NOxAnd the gas and dust are treated, more energy is consumed in the production of the asphalt mixture, so that the damage to the environment and the consumption of non-renewable resources are aggravated, and in addition, the waste of resources such as plant straws and animal wastes is serious, and the white garbage cannot be recycled, so that the concept of sustainable development is not necessarily met. In addition, urban roads are generally constructed at night, the temperature is low, the environmental temperature is low in cold areas and plateau areas, and the high construction temperature required under the condition of low environmental temperature is inevitably higher in cost. Besides, the asphalt materials on the market have the defects that the high-temperature anti-rutting performance, the low-temperature anti-cracking performance, the flame retardant performance, the pavement performance, the fatigue resistance and the aging resistance need to be further improved to a greater or lesser extent.
The Chinese invention patent with the application number of 201210408359.3 discloses an energy-saving and environment-friendly asphalt pavement building material, which consists of broken stones, machine-made sand or stone chips, fillers and novel liquid additives, and comprises the following components in percentage by weight: crushing stone: 40-80 percent; machining sand or stone chips: 30-50%; filling: 4 to 12 percent; asphalt cement: 4 to 7 percent; novel liquid additive: 2-4 per mill. The building material can reduce the energy consumption by 20 to 40 percent and reduce the emission of harmful gases by 20 to 40 percent; the construction workability is obviously better than that of the hot-mix asphalt, and the road construction quality is improved due to shorter open traffic interval and longer effective compaction time; because the asphalt mixture is paved and rolled at a lower temperature, the traffic can be opened quickly after the rolling is finished, the pressure brought to the traffic by long-time construction is avoided, the service performance same as that of the hot-mix asphalt mixture can be kept, the energy can be saved, the environment can be protected, and the green environment-friendly asphalt mixture which can prolong the construction period has important significance for the road surface construction in China. However, the fatigue resistance, aging resistance and heat stability of the asphalt pavement material of the present invention are desired to be further improved.
Therefore, it is a difficult problem to be solved by researchers in the industry at present how to provide a high-performance environment-friendly asphalt material with good comprehensive performance and performance stability, good fatigue resistance, aging resistance and heat-resistant stability, obvious energy-saving and environment-friendly effects, and excellent high-temperature anti-rutting performance, low-temperature anti-cracking performance, flame retardant performance and road performance.
Disclosure of Invention
The invention aims to provide a high-performance environment-friendly asphalt material which has good comprehensive performance and performance stability, good fatigue resistance, aging resistance and heat-resistant stability, obvious energy-saving and environment-friendly effects, and excellent high-temperature anti-rutting performance, low-temperature anti-cracking performance, flame retardance and road performance. Meanwhile, the invention also provides a preparation method of the high-performance environment-friendly asphalt material, which has the advantages of simple process, convenient operation and control, low equipment investment, low energy consumption, high preparation efficiency, suitability for continuous industrial production and higher popularization and application values.
In order to achieve the aim, the invention adopts the technical scheme that the high-performance environment-friendly asphalt material is characterized by comprising the following components in parts by weight: 75-85 parts of asphalt, 5-8 parts of sulfonated polyphenylene sulfide sulfone, 1-3 parts of triazine hyperbranched quaternary ammonium salt surfactant, 1-3 parts of castor oil based hyperbranched epoxy resin, 4-6 parts of 4, 5-dialdehyde thiazole, 1-2 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 0.8-1.5 parts of catalyst.
In one embodiment of the present invention, the catalyst is at least one of phosphorus pentoxide and polyphosphoric acid.
In one embodiment of the present invention, the castor oil based hyperbranched epoxy resin is the castor oil based hyperbranched epoxy resin prepared by the method of example 1 of application No. 201910080144.5.
In one embodiment of the present invention, the triazine hyperbranched quaternary ammonium salt surfactant is prepared by the method of example 1 in application No. 201910163614.4.
In one embodiment of the present invention, the sulfonated polyphenylene sulfide sulfone is the sulfonated polyphenylene sulfide sulfone prepared by the method of example 9 in application No. 201810095561.2.
In one embodiment of the present invention, the sulfonated polyphenylene sulfide sulfone has a sulfonation degree of 15.7%.
In one embodiment of the invention, the bitumen is a mixture of different types of bitumen, comprising between 25 and 35% by weight of natural bitumen and the balance of base bitumen, based on the total weight.
In one embodiment of the invention, the natural asphalt is formed by mixing rock asphalt and lake asphalt according to the mass ratio of 1 (3-5).
In one embodiment of the invention, the lake asphalt is Trinidad lake asphalt.
In one embodiment of the present invention, the base asphalt is one of 110# base asphalt, 130# base asphalt, 140# base asphalt, or a combination thereof.
Another objective of the present invention is to provide a method for preparing the high-performance environment-friendly asphalt material, which is characterized by comprising the following steps: heating the asphalt to a molten state, stirring at the rotating speed of 600r/min 400-.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the preparation method of the high-performance environment-friendly asphalt material provided by the invention has the advantages of simple process, convenience in operation and control, low equipment investment, low energy consumption, high preparation efficiency, suitability for continuous industrial production and higher popularization and application values.
(2) The high-performance environment-friendly asphalt material provided by the invention overcomes the defect that the existing asphalt pavement can discharge a large amount of CO in construction2、CO、SO2And NOxWaiting for gas and dust, and consuming more energy in the production of asphalt mix, addThe damage to the environment and the consumption of non-renewable resources are severe, and in addition, the waste of resources such as plant straws, animal wastes and the like is serious, and the white garbage cannot be recycled, which inevitably does not accord with the concept of sustainable development; in addition, urban roads are generally constructed at night, the temperature is low, the environmental temperature is low in cold areas and plateau areas, and the high construction temperature is required under the condition of low environmental temperature, so that the cost is higher; besides, the asphalt materials on the market have the defects that the high-temperature anti-rutting performance, the low-temperature anti-cracking performance, the flame retardant performance, the road performance, the fatigue resistance and the aging resistance need to be further improved to a greater or lesser extent; through the synergistic effect of the components, the prepared asphalt material has good comprehensive performance and performance stability, good fatigue resistance, aging resistance and heat resistance stability, obvious energy-saving and environment-friendly effects, and excellent high-temperature rutting resistance, low-temperature cracking resistance, flame retardance and road performance.
(3) According to the high-performance environment-friendly asphalt material provided by the invention, under the catalytic action of 2-naphthylamine-3, 6, 8-trisulfonic acid, asphalt is easy to generate a cross-linking reaction with aldehyde groups on 4, 5-dialdehyde thiazole, and thiazole groups are introduced into the molecular chain of the asphalt material, so that the compatibility of the asphalt with other components can be improved, and the thermal stability is further improved; and the thiazole structure also has antibacterial and bactericidal properties, so that the castor oil group in the castor oil-based hyperbranched epoxy resin is effectively prevented from being biodegraded under the action of microorganisms, and further the performance stability of the asphalt material is influenced. The thiazole group is linked in the molecular chain form in the asphalt molecular structure network, so that the antibacterial performance of the material is uniform and stable, the antibacterial performance of the material is better under the multiple actions of electronic effect and steric effect, the comprehensive performance and the performance stability are more excellent, and in addition, some toxic and harmful components in the asphalt can be effectively fixed through the crosslinking reaction, so that the pollution of the asphalt to the environment is reduced.
(4) According to the high-performance environment-friendly asphalt material provided by the invention, amino groups on 2-naphthylamine-3, 6, 8-trisulfonic acid can react with epoxy groups on castor oil-based hyperbranched epoxy resin, sulfonic groups on the amino groups can also react with benzene rings of an asphalt aromatic structure under the action of a catalyst, and the sulfonic groups can also be connected with quaternary ammonium salts on triazine hyperbranched quaternary ammonium salt surfactants through ionic bonds, so that a three-dimensional network structure is formed, and the comprehensive performance of the asphalt material is effectively improved.
(5) According to the high-performance environment-friendly asphalt material provided by the invention, the asphalt is modified by using the sulfonated polyphenylene sulfide sulfone for the first time, so that the asphalt material has better thermal stability, low temperature resistance, flame retardance and ageing resistance, and better comprehensive performance, and the sulfonic group on the asphalt material can participate in a crosslinking curing reaction, so that the formed materials are tightly connected without segregation. Small molecular substances can enter molecular chains of the material finally in the reaction process, and pollution is avoided. The triazine hyperbranched quaternary ammonium salt surfactant can improve the compatibility and the aging resistance among all components and effectively improve the warm mixing performance.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made.
In the embodiment of the invention, the raw materials are all purchased commercially; the castor oil based hyperbranched epoxy resin is prepared by the method of example 1 in application No. 201910080144.5; the triazine hyperbranched quaternary ammonium salt surfactant is prepared by the method of example 1 in application No. 201910163614.4; the sulfonated polyphenylene sulfide sulfone is prepared by the method of example 9 in application No. 201810095561.2.
Example 1
The high-performance environment-friendly asphalt material is characterized by comprising the following components in parts by weight: 75 parts of asphalt, 5 parts of sulfonated polyphenylene sulfide sulfone, 1 part of triazine hyperbranched quaternary ammonium salt surfactant, 1 part of castor oil based hyperbranched epoxy resin, 4 parts of 4, 5-dialdehyde thiazole, 1 part of 2-naphthylamine-3, 6, 8-trisulfonic acid and 0.8 part of catalyst; the catalyst is phosphorus pentoxide; the sulfonation degree of the sulfonated polyphenylene sulfide sulfone is 15.7%.
The asphalt is a mixture of different kinds of asphalt, wherein the asphalt comprises natural asphalt accounting for 25 percent of the total weight and matrix asphalt in balance; the natural asphalt is formed by mixing rock asphalt and lake asphalt according to the mass ratio of 1: 3; the lake asphalt is Trinidad lake asphalt; the matrix asphalt is 110# matrix asphalt.
The preparation method of the high-performance environment-friendly asphalt material is characterized by comprising the following steps of: heating asphalt to a molten state, stirring at a rotating speed of 400r/min, then adding other components while stirring, stirring uniformly after adding, continuously stirring and reacting for 20 minutes at a temperature of 165 ℃ and a stirring speed of 600r/min, then continuously heating to 190 ℃, and shearing by using a high-speed shearing machine at a shearing rate of 2500r/min for 10 minutes to obtain the high-performance environment-friendly asphalt material.
Example 2
The preparation method and the formula of the high-performance environment-friendly asphalt material are basically the same as those of example 1, except that the high-performance environment-friendly asphalt material comprises the following components in parts by weight: 78 parts of asphalt, 6 parts of sulfonated polyphenylene sulfide sulfone, 1.5 parts of triazine hyperbranched quaternary ammonium salt surfactant, 1.5 parts of castor oil based hyperbranched epoxy resin, 4.5 parts of 4, 5-dialdehyde thiazole, 1.2 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 0.9 part of catalyst; the catalyst is polyphosphoric acid; the asphalt is a mixture of different kinds of asphalt, wherein the asphalt comprises natural asphalt accounting for 28 percent of the total weight and matrix asphalt in balance; the preparation method of the high-performance environment-friendly asphalt material is characterized by comprising the following steps: heating asphalt to a molten state, stirring at the rotating speed of 450r/min, then adding other components while stirring, stirring uniformly after adding, continuously stirring and reacting for 22 minutes under the conditions of the temperature of 170 ℃ and the stirring speed of 700r/min, then continuously heating to 195 ℃, and shearing by using a high-speed shearing machine at the shearing rate of 2600r/min for 13 minutes to obtain the high-performance environment-friendly asphalt material.
Example 3
The preparation method and the formula of the high-performance environment-friendly asphalt material are basically the same as those of example 1, except that the high-performance environment-friendly asphalt material comprises the following components in parts by weight: 80 parts of asphalt, 6.5 parts of sulfonated polyphenylene sulfide sulfone, 2 parts of triazine hyperbranched quaternary ammonium salt surfactant, 2 parts of castor oil based hyperbranched epoxy resin, 5 parts of 4, 5-dialdehyde thiazole, 1.5 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 1.2 parts of catalyst; the catalyst is phosphorus pentoxide; the asphalt is a mixture of different kinds of asphalt, wherein the asphalt comprises natural asphalt accounting for 30 percent of the total weight and matrix asphalt in balance; the preparation method of the high-performance environment-friendly asphalt material is characterized by comprising the following steps: heating asphalt to a molten state, stirring at a rotating speed of 500r/min, then adding other components while stirring, stirring uniformly after adding, continuously stirring and reacting for 25 minutes at a temperature of 173 ℃ and a stirring speed of 750r/min, then continuously heating to 200 ℃, and shearing by using a high-speed shearing machine at a shearing rate of 2800r/min for 15 minutes to obtain the high-performance environment-friendly asphalt material.
Example 4
The preparation method and the formula of the high-performance environment-friendly asphalt material are basically the same as those of example 1, except that the high-performance environment-friendly asphalt material comprises the following components in parts by weight: 83 parts of asphalt, 7.5 parts of sulfonated polyphenylene sulfide sulfone, 2.5 parts of triazine hyperbranched quaternary ammonium salt surfactant, 2.5 parts of castor oil based hyperbranched epoxy resin, 5.5 parts of 4, 5-dialdehyde thiazole, 1.8 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 1.4 parts of catalyst; the catalyst is formed by mixing phosphorus pentoxide and polyphosphoric acid according to the mass ratio of 3: 5; the asphalt is a mixture of different kinds of asphalt, wherein the asphalt comprises 33 percent of natural asphalt and the balance of matrix asphalt by weight; the preparation method of the high-performance environment-friendly asphalt material is characterized by comprising the following steps: heating asphalt to a molten state, stirring at the rotating speed of 550r/min, then adding other components while stirring, stirring uniformly after adding, continuously stirring and reacting for 28 minutes at the temperature of 177 ℃ and the stirring speed of 850r/min, then continuously heating to 206 ℃, and shearing by using a high-speed shearing machine at the shearing rate of 2900r/min for 18 minutes to obtain the high-performance environment-friendly asphalt material.
Example 5
The preparation method and the formula of the high-performance environment-friendly asphalt material are basically the same as those of example 1, except that the high-performance environment-friendly asphalt material comprises the following components in parts by weight: 85 parts of asphalt, 8 parts of sulfonated polyphenylene sulfide sulfone, 3 parts of triazine hyperbranched quaternary ammonium salt surfactant, 3 parts of castor oil based hyperbranched epoxy resin, 6 parts of 4, 5-dialdehyde thiazole, 2 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 1.5 parts of catalyst; the catalyst is at least one of phosphorus pentoxide and polyphosphoric acid; the asphalt is a mixture of different kinds of asphalt, wherein the asphalt comprises natural asphalt accounting for 35 percent of the total weight and matrix asphalt in balance; the preparation method of the high-performance environment-friendly asphalt material is characterized by comprising the following steps: heating asphalt to a molten state, stirring at a rotating speed of 600r/min, then adding other components while stirring, uniformly stirring after adding, continuously stirring and reacting for 30 minutes at a temperature of 180 ℃ and a stirring speed of 900r/min, then continuously heating to 210 ℃, and shearing by using a high-speed shearing machine at a shearing rate of 3000r/min for 20 minutes to obtain the high-performance environment-friendly asphalt material.
Comparative example 1
Comparative example 1 provides a high performance environmentally friendly asphalt material having substantially the same formulation and preparation method as in example 1 except that no sulfonated polyphenylene sulfide sulfone is added.
Comparative example 2
Comparative example 2 provides a high-performance environment-friendly asphalt material, the formulation and preparation method of which are substantially the same as those of example 1, except that the triazine hyperbranched quaternary ammonium salt surfactant is not added.
Comparative example 3
Comparative example 3 provides a high-performance environment-friendly asphalt material, the formulation and preparation method of which are substantially the same as those of example 1, except that no castor oil-based hyperbranched epoxy resin is added.
Comparative example 4
Comparative example 4 provides a high-performance environment-friendly asphalt material, which was substantially the same as example 1 in formulation and preparation method except that 2-naphthylamine-3, 6, 8-trisulfonic acid was not added.
Comparative example 5
Comparative example 5 provides a high-performance environment-friendly asphalt material, which was substantially the same as example 1 in formulation and preparation method except that 4, 5-dialdehyde thiazole was not added.
In order to further illustrate the beneficial technical effects of the embodiments of the present invention, the performance of each high performance environment-friendly asphalt material of the embodiments 1 to 5 and the comparative examples 1 to 5 of the present invention was tested according to the current national standards, and the test results are shown in table 1.
Table 1 results of performance test of high performance environment-friendly asphalt materials in examples and comparative examples
| Item | Ductility (5 ℃, cm) | Density of smoke | Oxygen index (%) | Segregation of the difference in softening point (. degree. C.) |
| Example 1 | 35.3 | 48 | 33 | 0.1 |
| Example 2 | 35.9 | 46 | 34 | 0.1 |
| Example 3 | 36.4 | 43 | 34 | 0.1 |
| Example 4 | 36.9 | 41 | 35 | 0.1 |
| Example 5 | 37.2 | 40 | 35 | 0.1 |
| Comparative example 1 | 31.2 | 52 | 27 | 0.8 |
| Comparative example 2 | 29.4 | 54 | 26 | 0.9 |
| Comparative example 3 | 33.7 | 51 | 31 | 0.7 |
| Comparative example 4 | 29.1 | 55 | 29 | 1.4 |
| Comparative example 5 | 29.3 | 52 | 31 | 1.3 |
As can be seen from Table 1, the high performance environmentally friendly asphalt material disclosed in the present invention has better compatibility among the components than the comparative examples (as seen from ductility), better storage heat stability (as seen from difference in segregation softening point), better flame resistance, and lower smoke density, which is a result of the synergistic effect of the components.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The high-performance environment-friendly asphalt material is characterized by comprising the following components in parts by weight: 75-85 parts of asphalt, 5-8 parts of sulfonated polyphenylene sulfide sulfone, 1-3 parts of triazine hyperbranched quaternary ammonium salt surfactant, 1-3 parts of castor oil based hyperbranched epoxy resin, 4-6 parts of 4, 5-dialdehyde thiazole, 1-2 parts of 2-naphthylamine-3, 6, 8-trisulfonic acid and 0.8-1.5 parts of catalyst.
2. The high-performance environment-friendly asphalt material as claimed in claim 1, wherein the catalyst is at least one of phosphorus pentoxide and polyphosphoric acid.
3. The high-performance environment-friendly asphalt material as claimed in claim 1, wherein the sulfonation degree of the sulfonated polyphenylene sulfide sulfone is 15.7%.
4. The high-performance environment-friendly asphalt material as claimed in claim 1, wherein the asphalt is a mixture of different kinds of asphalt, and comprises 25-35% of natural asphalt by total weight and the balance of base asphalt by total weight.
5. The high-performance environment-friendly asphalt material as claimed in claim 4, wherein the natural asphalt is rock asphalt and lake asphalt mixed according to a mass ratio of 1 (3-5).
6. The high-performance environment-friendly asphalt material as claimed in claim 5, wherein the lake asphalt is Trinidad lake asphalt.
7. The high-performance environment-friendly asphalt material as claimed in claim 4, wherein the base asphalt is one of 110# base asphalt, 130# base asphalt and 140# base asphalt or a combination thereof.
8. A method for preparing a high-performance environment-friendly asphalt material according to any one of claims 1 to 7, which is characterized by comprising the following steps: heating the asphalt to a molten state, stirring at the rotating speed of 600r/min 400-.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437558A (en) * | 2022-03-09 | 2022-05-06 | 贾楠 | Ultraviolet-aging-resistant and weather-resistant asphalt and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114437558A (en) * | 2022-03-09 | 2022-05-06 | 贾楠 | Ultraviolet-aging-resistant and weather-resistant asphalt and preparation method thereof |
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Application publication date: 20210406 |