CN114276692A - Special modified asphalt suitable for tropical asphalt pavement and preparation method thereof - Google Patents
Special modified asphalt suitable for tropical asphalt pavement and preparation method thereof Download PDFInfo
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- CN114276692A CN114276692A CN202111557103.4A CN202111557103A CN114276692A CN 114276692 A CN114276692 A CN 114276692A CN 202111557103 A CN202111557103 A CN 202111557103A CN 114276692 A CN114276692 A CN 114276692A
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Images
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- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses a special modified asphalt suitable for tropical asphalt pavement, which comprises the following main components: 100 parts of No. 70 matrix asphalt, 4-8 parts of high-molecular elastomer modifier, 10-20 parts of bisphenol A epoxy resin, 1-5 parts of non-bisphenol A epoxy resin, 8-30 parts of special curing agent, 0.5-1.5 parts of antioxidant, 15-30 parts of special asphalt particles, 0.1-0.3 part of stabilizer, 3-6 parts of rubber oil, 0.4-5 parts of viscosity reducer and 2-8 parts of plastic particles. The epoxy resin can obviously improve the high-temperature and low-temperature performance of the asphalt mixture, the plastic particles and the special asphalt can obviously improve the high-temperature performance of the asphalt mixture, and the high-molecular elastomer modifier can obviously improve the low-temperature performance of the asphalt mixture. Therefore, the modified asphalt prepared by the method has higher high and low temperature performance, anti-rutting performance, excellent anti-deformation capability and PG classification.
Description
Technical Field
The invention belongs to the technical field of road asphalt materials, and particularly relates to special modified asphalt suitable for tropical asphalt pavements.
Background
Cambodia is located in the south of the south-central peninsula of southeast asia and has an area of 181,035 square kilometers. The west and the northwest border Thai, the northeast border Laos, and the east and the southeast border Vietnam. Therefore, Cambodia is located in the tropics, belongs to tropics monsoon climate, belongs to low latitude countries, is widely influenced by monsoon climate, and is mainly characterized in that summer is adopted in four seasons of the year, four seasons are unclear, namely spring, summer, autumn, winter are eliminated, and the Cambodia is divided into rainy seasons and dry seasons. The average temperature of Cambodia year is 29-30 ℃, the highest temperature can reach 42 ℃, rainy season is 5-10 months, dry season is 11 months-next 4 months, the difference of rainfall in various regions is large under the influence of terrain and monsoon, the south of Xiangshan can reach 5400 mm, and the east of golden edge is about 1000 mm. Consequently, it is very high to require on bituminous paving in cambodia tropical high temperature rainy weather, its bituminous paving mainly shows that the rut, pass, the disease such as pool is serious, consequently traditional modified asphalt is difficult to adapt to the weather of perennial high temperature rainy, need develop a novel high performance anti-rutting, modified asphalt of water damage of resistant urgent, can effectively alleviate the rut disease problem and the water damage disease of road surface under the high driving load condition in comparison with ordinary asphalt, improve bituminous paving's service ability, effectively prolong the life on road surface, improve social and economic benefits.
Disclosure of Invention
In view of the above aspects, the patent provides a preparation method and application of special modified asphalt for tropical asphalt pavements, and the technology adopts epoxy resin, plastic modifier, elastomer modifier and viscosity reducer to compound modified asphalt, so that the prepared modified asphalt meets the basic index requirements, and simultaneously has reduced viscosity, and is beneficial to mixing. The modified asphalt PG grade meets the requirement of PG82-22, has excellent high and low temperature performance, excellent storage stability, less than 2 ℃ of 48h segregation, good high temperature stability, excellent deformation resistance, uncomplicated preparation process and suitability for industrial production. The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme.
The special modified asphalt suitable for the tropical asphalt pavement is characterized by comprising the following components in parts by weight:
the preparation method of the special modified asphalt suitable for the tropical asphalt pavement is characterized by comprising the following steps of:
s1, weighing the components in parts by weight;
s2, heating the matrix asphalt to a flowing state, stirring and preheating to 185 ℃ and adding the polymer elastomer modifier, and shearing for 1h to obtain the premix.
S3, adding the rubber oil into the premix, and stirring for 0.5 h;
s4, adding an antioxidant, stirring for 0.5h, adding a stabilizer, and regulating the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h.
S5, cooling to 150 ℃, adding the special curing agent, the special asphalt particles, the viscosity reducer and the plastic particles, and stirring and developing for 4 hours to obtain the sample A.
And S6, adding the bisphenol A and the non-bisphenol A epoxy resin into the sample A before processing the mixture or before testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
As a further improvement of the invention, the macromolecular elastomer modifier is one or more of a macromolecular polymer, such as an SBR modifier, a linear SBS modifier, a star-shaped SBS modifier, an SEBS modifier, an SIS modifier, an SEPS modifier and Chloroprene Rubber (CR).
As a further improvement of the invention, the bisphenol A epoxy resin is one of NPEL128, E51, E44, E39, E20 and E12.
As a further improvement of the invention, the non-bisphenol A epoxy resin is bis (2, 3-epoxycyclopentyl) ether (ERR-0300), 2, 3-epoxycyclopentylcyclopentyl ether (ERLA-0400), vinylcyclohexene diepoxide (ERL-4206), diisoprohexadiene diepoxide (ERL-4269), 3, 4-epoxy-6-methylcyclohexanecarboxylic acid-3 ' 4 ' -epoxy-6 ' -methylcyclohexylmethyl ester (ERL-4201), 3, 4-epoxycyclohexylcarboxylic acid-3 ' 4 ' -epoxycyclohexylmethyl ester (ERL-4221), bis (3, 4-epoxy-6-methylcyclohexylmethyl) adipate (ERL-4289), and dicyclopentadiene diepoxide (EP-207).
As a further improvement of the invention, the special curing agent is one or more of octadecylamine, hexadecylamine, oleylamine, octadecylamine polyoxyethylene ether 1805 with EO of 5, octadecylamine polyoxyethylene ether 1810 with EO of 10, octadecylamine polyoxyethylene ether 1815 with EO of 15, octadecylamine polyoxyethylene ether 1820 with EO of 20, oleylamine polyoxyethylene ether 1805 with EO of 5, oleylamine polyoxyethylene ether 1810 with EO of 10, oleylamine polyoxyethylene ether 1815 with EO of 15 and oleylamine polyoxyethylene ether 1820 with EO of 20, and the effective component is higher than 95%.
In a further improvement of the present invention, the antioxidant is Tea Polyphenol (TP), tocopherol, flavonoid, Butylated Hydroxyanisole (BHA), Butylated Hydroxytoluene (BHT), Tertiary Butyl Hydroquinone (TBHQ), or the like.
As a further improvement of the invention, the special asphalt particles are 30# asphalt, 20# asphalt, 0# asphalt, oxidized asphalt, sulfonated asphalt, biological asphalt, lake asphalt, rock asphalt, coal asphalt and the like.
As a further improvement of the invention, the stabilizer is sulfur, yellow or light yellow, granular, has a melting point of 119 ℃, and generates pungent odor when being melted in asphalt.
As a further improvement of the invention, the rubber oil is No. 8-12 rubber oil, No. 8-24 rubber oil, No. 8-44 rubber oil, furfural extract oil and the like, the flash point is more than 220 ℃, the safety is high, and the aromatic hydrocarbon content is more than or equal to 80%.
As a further improvement of the invention, the viscosity reducer is Maidweishi DAT, Sasobit, Honeywell 7686, Honeywell 7183, Honeywell 7608 and the like.
As a further improvement of the invention, the plastic particles are LLDPE, LDPE, HDPE, EVA, PP and the like.
As a further improvement of the invention, the 70# asphalt is SK #70 asphalt, Shell 70# asphalt, GS70 asphalt, Clarity 70# asphalt, Iran 70# asphalt, Bilong 70# asphalt, Tazhou Mediterranean oil 70# asphalt and the like.
By adopting the technical scheme, the following technical effects can be realized:
(1) the epoxy resin is introduced into the modified asphalt, so that the high-temperature performance of the asphalt can be improved to a greater extent, the low-temperature performance of the asphalt is improved, the toughness and elasticity of the asphalt are increased, and the anti-rutting capability is improved.
(2) The swelling effect of the high molecular elastomer modifier has great influence on the performance of the modified asphalt, and the rubber oil can promote the swelling of the high molecular elastomer modifier, so that the modifier is better dispersed in the asphalt to form a stable spatial network structure with the asphalt, and the high and low temperature performance of the asphalt is greatly improved.
(3) The added sulfur stabilizer can stabilize the spatial network structure of the modifier-asphalt, so that the softening point of the asphalt is increased, and the storage stability of the asphalt is better; the added antioxidant can reduce the aging effect of the asphalt in the preparation, transportation and mixing processes to a certain extent, so that the asphalt has better aging indexes after mixing, and various performances of the asphalt mixture after molding are ensured.
(4) The added asphalt particles and plastic particles play an important role in a system, the viscosity of the asphalt is improved after the asphalt is added, the penetration degree of the asphalt is reduced after the asphalt is mixed with the asphalt, the softening point is increased, the viscosity is increased, the shear resistance and the rutting resistance of the asphalt mixture are greatly improved, the cost is lower, and the economic benefit is good.
(5) The asphalt prepared by the invention combines the characteristics of different materials, makes good use of the advantages and makes full use of the performance of each material. The asphalt prepared by the invention has the following advantages: low kinematic viscosity at 135 ℃ and high dynamic viscosity at 60 ℃; the viscosity at 135 ℃ is less than 3.5 pas, the dynamic viscosity at 60 ℃ is more than or equal to 400000 pas, the stirring temperature and the rolling times do not need to be increased, and the construction workability is good; the anti-rutting performance is good, the permanent deformation resistance is strong, the high-temperature stability is excellent, and the low-temperature performance is good; the production and preparation process is continuous, no extra development time is needed, and the energy consumption is reduced; no other production equipment is needed, and the method is easy to industrialize and has economical efficiency and practicability.
Drawings
FIG. 1 is an AC-13 grading curve used in the examples.
Detailed Description
To further illustrate the technical means and effects adopted by the present invention to achieve the predetermined objects, the embodiments, features and effects of the high-strength modified asphalt and the preparation method thereof according to the present invention are described in detail below.
The invention provides special modified asphalt suitable for tropical asphalt pavements, which comprises the following components in parts by weight:
the invention also provides a preparation method of the special modified asphalt suitable for the tropical asphalt pavement, which comprises the following steps:
s1, weighing the components in parts by weight;
s2, heating the matrix asphalt to a flowing state, stirring and preheating to 185 ℃ and adding the polymer elastomer modifier, and shearing for 1h to obtain the premix.
S3, adding the rubber oil into the premix, and stirring for 0.5 h;
s4, adding an antioxidant, stirring for 0.5h, adding a stabilizer, and regulating the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h.
S5, cooling to 150 ℃, adding the special curing agent, the special asphalt particles, the viscosity reducer and the plastic particles, and stirring and developing for 4 hours to obtain the sample A.
And S6, adding the bisphenol A and the non-bisphenol A epoxy resin into the sample A before processing the mixture or before testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Wherein, the macromolecular elastomer modifier is a macromolecular polymer, such as one or more of SBR modifier, linear SBS modifier, star SBS modifier, SEBS modifier, SIS modifier, SEPS modifier and Chloroprene Rubber (CR) which are compounded; the bisphenol A epoxy resin is one of NPEL128, E51, E44, E39, E20 and E12; the non-bisphenol A epoxy resin is one of bis (2, 3-epoxy cyclopentyl) ether (ERR-0300), 2, 3-epoxy cyclopentyl ether (ERLA-0400), vinylcyclohexene diepoxide (ERL-4206), diisoprohexadiene diepoxide (ERL-4269), 3, 4-epoxy-6-methylcyclohexyl carboxylic acid-3 ' 4 ' -epoxy-6 ' -methylcyclohexyl methyl ester (ERL-4201), 3, 4-epoxy cyclohexyl carboxylic acid-3 ' 4 ' -epoxy cyclohexyl methyl ester (ERL-4221), bis (3, 4-epoxy-6-methylcyclohexyl methyl) adipate (ERL-4289) and dicyclopentadiene diepoxide (EP-207); the special curing agent is one or more of octadecylamine, hexadecylamine, oleylamine, octadecylamine polyoxyethylene ether 1805 with EO of 5, octadecylamine polyoxyethylene ether 1810 with EO of 10, octadecylamine polyoxyethylene ether 1815 with EO of 15, octadecylamine polyoxyethylene ether 1820 with EO of 20, oleylamine polyoxyethylene ether 1805 with EO of 5, oleylamine polyoxyethylene ether 1810 with EO of 10, oleylamine polyoxyethylene ether 1815 with EO of 15 and oleylamine polyoxyethylene ether 1820 with EO of 20, and the effective component is higher than 95%; the antioxidant is Tea Polyphenol (TP), tocopherol, flavonoid, Butyl Hydroxy Anisol (BHA), dibutyl hydroxy toluene (BHT), tert-butyl hydroquinone (TBHQ) and the like; the special asphalt particles are 30# asphalt, 20# asphalt, 0# asphalt, oxidized asphalt, sulfonated asphalt, biological asphalt, lake asphalt, rock asphalt, coal asphalt and the like; the stabilizer is sulfur, yellow or light yellow, granular, has a melting point of 119 ℃, and generates pungent smell when being melted in asphalt; the rubber oil is No. 8-12 rubber oil, No. 8-24 rubber oil, No. 8-44 rubber oil, furfural extract oil and the like, the flash point is higher than 220 ℃, the safety is high, and the aromatic hydrocarbon content is higher than or equal to 80%; the viscosity reducer is Maidweishi DAT, Sasobit, honeywell 7686, honeywell 7183, honeywell 7608 and the like; the plastic particles are LLDPE, LDPE, HDPE, EVA, PP and the like; the 70# asphalt is SK # 70 asphalt, Shell 70# asphalt, GS70 asphalt, Clarity 70# asphalt, Iran 70# asphalt, Bilong 70# asphalt, Tanzhou Zhonghai oil 70# asphalt and the like.
In order to further illustrate the present invention, the following detailed description of the high strength modified asphalt and the preparation method thereof provided by the present invention is made with reference to specific examples, which should not be construed as limiting the scope of the present invention.
The AC-13 grading used in the following examples is shown in FIG. 1 and Table 1:
TABLE 1
| Name of Material | 10-15 | 5-10 | 3-5 | 0-3 | Mineral powder |
| Dosage of | 31 | 15 | 9.5 | 39.5 | 5 |
Example 1
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the midsea Technological oil No. 70 asphalt to a flowing state, stirring and preheating to 185 ℃, adding the SBR modifier, and shearing for 1h to obtain the premix.
S3, adding the No. 8-12 rubber oil into the premix, and stirring for 0.5 h;
s4, adding dibutyl hydroxy toluene (BHT), stirring for 0.5h, adding sulfur, reducing the temperature of the modified asphalt to 175 +/-5 ℃, and stirring for development for 4-5 h.
And S5, cooling to 150 ℃, adding octadecylamine, 30# asphalt, honeywell 7686 and LLDPE, stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin NPEL128 and EP-207 into the sample A before processing the mixture or testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
Table 2 technical indices of modified asphalt prepared in example 1
TABLE 3 technical indices of the AC-13 asphalt mixture prepared in example 1
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.4 | 4-6 |
| Marshall stability | kN | 53.6 | ≥8 |
| Flow value | 0.1mm | 18.5 | 15-40 |
| Degree of residual stability | ％ | 95.3 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 92.9 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | ＞40000 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 19638 | / |
Example 2
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the Bilong 70# asphalt to a flowing state, stirring and preheating to 185 ℃, adding a linear SBS modifier, and shearing for 1h to obtain a premix.
S3, adding the No. 8-24 rubber oil into the premix, and stirring for 0.5 h;
s4, adding tert-butyl hydroquinone (TBHQ), stirring for 0.5h, adding sulfur, adjusting the temperature of the modified asphalt to 175 +/-5 ℃, and stirring for development for 4-5 h.
And S5, cooling to 150 ℃, adding special hexadecylamine, 20# asphalt, Sasobit and LDPE, and stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin E51 and ERL-4221 into the sample A before processing the mixture or testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
Table 4 technical indices of modified asphalt prepared in example 2
TABLE 5 technical indices of AC-13 asphalt mixture prepared in example 2
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.7 | 4-6 |
| Marshall stability | kN | 51.8 | ≥8 |
| Flow value | 0.1mm | 21.7 | 15-40 |
| Degree of residual stability | ％ | 98.4 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 94.5 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | 38873 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 16924 | / |
Example 3
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the Iran 70# asphalt to a flowing state, stirring and preheating to 170-185 ℃, adding the star-shaped SBS modifier, and shearing for 1h to obtain the premix.
S3, adding the No. 8-44 rubber oil into the premix, and stirring for 0.5 h;
s4, adding dibutyl hydroxy toluene (BHT), stirring for 0.5h, adding sulfur, reducing the temperature of the modified asphalt to 175 +/-5 ℃, and stirring for development for 4-5 h.
And S5, cooling to 150 ℃, adding oleylamine, 0# asphalt, Honeywell 7608 and PP, stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin E44 and ERL-4201 into the sample A before processing the mixture or testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
TABLE 6 technical indices of modified asphalt prepared in example 3
TABLE 7 technical indices of AC-13 asphalt mixture prepared in example 3
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.3 | 4-6 |
| Marshall stability | kN | 48.9 | ≥8 |
| Flow value | 0.1mm | 16.2 | 15-40 |
| Degree of residual stability | ％ | 99.6 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 97.3 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | ＞40000 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 18568 | / |
Example 4
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the Clarityl 70# asphalt to a flowing state, stirring and preheating to the temperature of 185 ℃, adding the SEBS modifier, and shearing for 1h to obtain the premix.
S3, adding the furfural extract oil into the premix, and stirring for 0.5 h;
s4, adding Butyl Hydroxy Anisole (BHA), stirring for 0.5h, adding sulfur, and reducing the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h.
S5, cooling to 150 ℃, adding octadecylamine polyoxyethylene ether 1805, oxidized asphalt, HONEYWELL 7183 and EVA, stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin E39 and ERL-4269 into the sample A before processing the mixture or testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
Table 8 technical indices of modified asphalt prepared in example 4
TABLE 9 technical indices of the AC-13 asphalt mixture prepared in example 4
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.5 | 4-6 |
| Marshall stability | kN | 47.2 | ≥8 |
| Flow value | 0.1mm | 19.6 | 15-40 |
| Degree of residual stability | ％ | 98.3 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 93.5 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | 36894 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 11378 | / |
Example 5
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the GS70 asphalt to a flowing state, stirring and preheating to 170 ℃ and 185 ℃, adding the high SIS modifier, and shearing for 1h to obtain the premix.
S3, adding the No. 8-12 rubber oil into the premix, and stirring for 0.5 h;
s4, adding flavone, stirring for 0.5h, adding sulfur, adjusting the temperature of the modified asphalt to 175 +/-5 ℃, and stirring for 4-5 h.
S5, cooling to 150 ℃, adding octadecylamine polyoxyethylene ether 1815, sulfonated asphalt, Honeywell 7686 and HDPE, stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin E20 and ERL-4206 into the sample A before processing the mixture or testing the mixture, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
TABLE 10 technical indices of modified asphalt prepared in example 5
TABLE 11 technical indices of the AC-13 asphalt mixture prepared in example 5
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.7 | 4-6 |
| Marshall stability | kN | 46.2 | ≥8 |
| Flow value | 0.1mm | 21.3 | 15-40 |
| Degree of residual stability | ％ | 98.1 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 94.9 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | 38614 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 17322 | / |
Example 6
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the shell 70# asphalt to a flowing state, stirring and preheating to 185 ℃, adding the SEPS modifier, and shearing for 1h to obtain the premix.
S3, adding the No. 8-24 rubber oil into the premix, and stirring for 0.5 h;
s4, adding tocopherol, stirring for 0.5h, adding sulfur, and adjusting the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h.
S5, cooling to 150 ℃, adding octadecylamine polyoxyethylene ether 1820, lake asphalt, Sasobit and LLDPE, stirring and developing for 4 hours to obtain the sample A.
S6, adding bisphenol A epoxy resin E12 and ERLA-0400 into the sample A before processing the mixture or testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
Table 12 technical indices of modified asphalt prepared in example 6
TABLE 13 technical indices of the AC-13 asphalt mixture prepared in example 6
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.6 | 4-6 |
| Marshall stability | kN | 46.2 | ≥8 |
| Flow value | 0.1mm | 16.9 | 15-40 |
| Degree of residual stability | ％ | 98.6 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 893.2 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | ＞40000 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 19534 | / |
Example 7
The raw material proportion is as follows:
preparing modified asphalt:
s1, weighing the components in parts by weight;
s2, heating the SK # 70 asphalt to a flowing state, stirring and preheating to 185 ℃, adding Chloroprene Rubber (CR), and shearing for 1h to obtain a premix.
S3, adding the No. 8-44 rubber oil into the premix, and stirring for 0.5 h;
s4, adding Tea Polyphenol (TP), stirring for 0.5h, adding sulfur, and reducing the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h.
S5, cooling to 150 ℃, adding oleylamine polyoxyethylene ether 1820, rock asphalt, MaitrevisweevDAT and HDPE, stirring and developing for 4 hours to obtain the sample A.
S6, adding the bisphenol A epoxy resin NPEL128 and ERR-0300 into the sample A before processing the mixture or before testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
Preparing an AC-13 asphalt mixture:
100 parts of AC-13 asphalt mixture with the gradation of table 1 are heated to 180 ℃, 4.9 parts of asphalt are heated to 160 ℃, the mixture is uniformly mixed in a mixing cylinder, the discharging temperature is 165 ℃, and a molded test piece is kept at 170 ℃ for 30min to test the performance of the asphalt mixture.
TABLE 14 technical indices of modified asphalt prepared in example 7
TABLE 15 technical indices of the AC-13 asphalt mixture prepared in example 7
| Experimental project | Unit of | Experimental data | Technical index |
| Void fraction | ％ | 4.3 | 4-6 |
| Marshall stability | kN | 43.8 | ≥8 |
| Flow value | 0.1mm | 18.6 | 15-40 |
| Degree of residual stability | ％ | 91.7 | ≥85 |
| Freezing and thawing cleavage Strength ratio (TSR) | ％ | 88.4 | ≥80 |
| Dynamic stability (60 ℃ C.) | Sub/mm | 31728 | ≥3000 |
| Dynamic stability (70 ℃ C.) | Sub/mm | 9614 | / |
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The special modified asphalt suitable for the tropical asphalt pavement is characterized by comprising the following components in parts by weight:
2. the preparation method of the special modified asphalt suitable for the tropical asphalt pavement according to claim 1 is characterized by comprising the following steps:
s1, weighing the components in parts by weight;
s2, heating the matrix asphalt to a flowing state, stirring and preheating to 185 ℃ at 170 ℃, adding the high molecular elastomer modifier, and shearing for 1h to obtain a premix;
s3, adding the rubber oil into the premix, and stirring for 0.5 h;
s4, adding an antioxidant, stirring for 0.5h, adding a stabilizer, and regulating the temperature of the modified asphalt to 175 +/-5 ℃ for stirring and developing for 4-5 h;
s5, cooling to 150 ℃, adding a special curing agent, special asphalt particles, a viscosity reducer and plastic particles, and stirring and developing for 4 hours to obtain the sample A;
and S6, adding the bisphenol A and the non-bisphenol A epoxy resin into the sample A before processing the mixture or before testing, and uniformly stirring to obtain the special modified asphalt for the tropical asphalt pavement.
3. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, wherein the high polymer elastomer modifier is a high polymer and is prepared by compounding one or more of an SBR modifier, a linear SBS modifier, a star-shaped SBS modifier, an SEBS modifier, an SIS modifier, an SEPS modifier and chloroprene rubber.
4. The special modified asphalt for tropical asphalt pavement according to claim 1, wherein the bisphenol A epoxy resin is one of NPEL128, E51, E44, E39, E20 and E12.
5. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the non-bisphenol A epoxy resin is one of ERR-0300, ERLA-0400, ERL-4206, ERL-4269, ERL-4201, ERL-4221, ERL-4289 and EP-207.
6. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the special curing agent is one or more of octadecylamine, hexadecylamine, oleylamine, octadecylamine polyoxyethylene ether 1805 with EO of 5, octadecylamine polyoxyethylene ether 1810 with EO of 10, octadecylamine polyoxyethylene ether 1815 with EO of 15, octadecylamine polyoxyethylene ether 1820 with EO of 20, oleylamine polyoxyethylene ether 1805 with EO of 5, oleylamine polyoxyethylene ether 1810 with EO of 10, oleylamine polyoxyethylene ether 1815 with EO of 15 and oleylamine polyoxyethylene ether 1820 with EO of 20, and the effective component is higher than 95%.
7. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the antioxidant is one of tea polyphenol, tocopherol, flavonoids, butyl hydroxy anisol, dibutyl hydroxy toluene and tert-butyl hydroquinone.
8. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the special asphalt particles are one of 30# asphalt, 20# asphalt, 0# asphalt, oxidized asphalt, sulfonated asphalt, biological asphalt, lake asphalt, rock asphalt and coal asphalt.
9. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the stabilizer is sulfur, yellow or light yellow, granular, has a melting point of 119 ℃, and generates pungent odor when being dissolved in asphalt.
10. The special modified asphalt suitable for the tropical asphalt pavement according to claim 1, is characterized in that: the rubber oil is one of No. 8-12 rubber oil, No. 8-24 rubber oil, No. 8-44 rubber oil and furfural extract oil, the flash point of the rubber oil is more than 220 ℃, the safety is high, and the aromatic hydrocarbon content is more than or equal to 80%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854223A (en) * | 2022-05-30 | 2022-08-05 | 中路交科科技股份有限公司 | Epoxy asphalt additive for road and bridge pavement, preparation method and use method thereof |
| CN115710432A (en) * | 2022-12-15 | 2023-02-24 | 中路交科科技股份有限公司 | Hydrophobic durable high-viscosity modified asphalt and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903661A (en) * | 2019-11-20 | 2020-03-24 | 江苏中路交通科学技术有限公司 | U-pave special modified asphalt and preparation method and application method thereof |
| CN111875930A (en) * | 2020-07-22 | 2020-11-03 | 江苏创为交通科技发展有限公司 | Hot-mixed epoxy resin, preparation method and application |
| CN112608607A (en) * | 2020-12-04 | 2021-04-06 | 中路交科科技股份有限公司 | High-strength modified asphalt and preparation method thereof |
| CN113214667A (en) * | 2021-05-31 | 2021-08-06 | 海南恒建沥青路面有限公司 | Modified asphalt and preparation method thereof |
| CN113621218A (en) * | 2021-07-20 | 2021-11-09 | 东南大学 | Preparation method and application of super-tough high-temperature mixed epoxy resin |
-
2021
- 2021-12-18 CN CN202111557103.4A patent/CN114276692A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903661A (en) * | 2019-11-20 | 2020-03-24 | 江苏中路交通科学技术有限公司 | U-pave special modified asphalt and preparation method and application method thereof |
| CN111875930A (en) * | 2020-07-22 | 2020-11-03 | 江苏创为交通科技发展有限公司 | Hot-mixed epoxy resin, preparation method and application |
| CN112608607A (en) * | 2020-12-04 | 2021-04-06 | 中路交科科技股份有限公司 | High-strength modified asphalt and preparation method thereof |
| CN113214667A (en) * | 2021-05-31 | 2021-08-06 | 海南恒建沥青路面有限公司 | Modified asphalt and preparation method thereof |
| CN113621218A (en) * | 2021-07-20 | 2021-11-09 | 东南大学 | Preparation method and application of super-tough high-temperature mixed epoxy resin |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854223A (en) * | 2022-05-30 | 2022-08-05 | 中路交科科技股份有限公司 | Epoxy asphalt additive for road and bridge pavement, preparation method and use method thereof |
| CN115710432A (en) * | 2022-12-15 | 2023-02-24 | 中路交科科技股份有限公司 | Hydrophobic durable high-viscosity modified asphalt and preparation method thereof |
| CN115710432B (en) * | 2022-12-15 | 2024-04-19 | 中路交科科技股份有限公司 | Hydrophobic durable high-viscosity modified asphalt and preparation method thereof |
| CN116041714A (en) * | 2023-02-14 | 2023-05-02 | 安徽交控工程集团有限公司 | Preparation method of novel elastomer modified epoxidized SBS modifier and application of novel elastomer modified epoxidized SBS modifier in crack resistance ultrathin |
| CN116041714B (en) * | 2023-02-14 | 2024-04-02 | 安徽交控工程集团有限公司 | Preparation method of elastomer modified epoxidized SBS modifier and application of elastomer modified epoxidized SBS modifier in anti-crack ultrathin cover surface |
| CN117089137A (en) * | 2023-09-11 | 2023-11-21 | 眉山天投新材料有限公司 | Modified asphalt direct-injection agent and preparation method and application thereof |
| CN117089137B (en) * | 2023-09-11 | 2024-05-24 | 眉山天投新材料有限公司 | Modified asphalt direct-injection agent and preparation method and application thereof |
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