CN105111757A - High-viscosity modified pitch and preparation method thereof - Google Patents
High-viscosity modified pitch and preparation method thereof Download PDFInfo
- Publication number
- CN105111757A CN105111757A CN201510608457.5A CN201510608457A CN105111757A CN 105111757 A CN105111757 A CN 105111757A CN 201510608457 A CN201510608457 A CN 201510608457A CN 105111757 A CN105111757 A CN 105111757A
- Authority
- CN
- China
- Prior art keywords
- parts
- viscosity modified
- asphalt
- modified asphalt
- styrene
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses high-viscosity modified pitch which is prepared from the following raw materials in parts by weight: 100 parts of substrate asphalt, 4-9 parts of styrene copolymer, 2-5 parts of a Sasobit asphalt modifier, 0.5-3 parts of gutta-percha, 1-3 parts of butadiene styrene rubber and 0.2-1.5 parts of sulphur. Besides, the invention further discloses a method for preparing the high-viscosity modified pitch. The method comprises the following steps: 1, heating substrate asphalt, adding styrene copolymer and gutta-percha, uniformly stirring, then adding the Sasobit asphalt modifier and butadiene styrene rubber, and uniformly stirring to obtain a mixture; 2, shearing the mixture, adding sulphur, continuously shearing, and developing so as to obtain the high-viscosity modified pitch. The high-viscosity modified pitch has excellent high temperature stability, low temperature crack resistance and aging resistance, can be used for replacing expensive imported high-viscosity modified pitch under the condition of not influencing the road surface usability, and can be widely used for paving water-draining asphalt pavement.
Description
Technical field
The invention belongs to road bitumen field of material technology, be specifically related to a kind of high-viscosity modified asphalt and preparation method thereof.
Background technology
Drainage asphalt mixture, with pavement performance and environmental protection concepts such as its good draining, noise reduction, antiskids, the high-grade highway and city expressway of multiple provinces and cities such as China Beijing, Shanghai, Guangdong is able to widespread use.The material laying drainage asphalt pavement most critical is bituminous cements, modified asphalt as the binder of drainage road, exist viscosity low, gather materials and wrap up in the problems such as attached thickness is not enough, pavement durability is not high under Heavy Traffic.High-viscosity modified asphalt is applied and gives birth to thus, becomes the optimal selection of drainage pavement pitch used.
In view of bituminous cements is very large to drainage asphalt pavement performance impact, be that drainage asphalt pavement is mated formation the primary problem solved.The domestic research for high-viscosity modified asphalt gets more and more, but the patent announced is converted into the fewer of product, the most general high-viscosity modified asphalt of current use is still the SK high-viscosity modified asphalt of high-viscosity modified asphalt and the Korea S adopting Japanese TPS properties-correcting agent to prepare, better performances, the viscosity of the properties-correcting agent adopted in these high adhered modification pitches are very high, but expensive.As Japanese asphalt modifier with high viscosity is about 40,000 yuan/ton at present, volume is about 12wt%, and its modifying asphalt comprehensive cost is about 10,000 yuan/ton.Several domestic disclosed high adhered modification agent patent does not obtain spread due to product performance are unstable or construction reason etc., and can not verify its reliability, whether can reach the effect mentioned in patent can not determine, engineering practicability is not strong.Therefore, in view of drainage asphalt pavement is in the fast development of China, develop a kind of stable performance, high-viscosity modified asphalt (60 DEG C of kinetic viscosities are not less than 20000Pas) that cost performance is higher being applicable to porous asphalt pavement very necessary, this makes it possible under the condition not affecting Pavement Condition, provide a kind of high-viscosity modified asphalt being applicable to drainage asphalt pavement making that can replace expensive import high-viscosity modified asphalt.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of high-viscosity modified asphalt is provided, this high-viscosity modified asphalt has good high-temperature stability, low-temperature cracking-resistance and ageing-resistant performance, expensive import high-viscosity modified asphalt can be replaced under the condition not affecting Pavement Condition, reduce construction costs, be widely used in the making of drainage asphalt pavement.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of high-viscosity modified asphalt, it is characterized in that, be made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 4 ~ 9 parts, Sasobit asphalt modifier 2 ~ 5 parts, gutta-percha 0.5 ~ 3 part; 1 ~ 3 part, styrene-butadiene rubber(SBR), 0.2 ~ 1.5 part, sulphur.
Above-mentioned a kind of high-viscosity modified asphalt, is characterized in that, is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 ~ 7 parts, Sasobit asphalt modifier 3 ~ 4 parts, gutta-percha 1 ~ 2 part, 2 ~ 3 parts, styrene-butadiene rubber(SBR), 0.4 ~ 1 part, sulphur.
Above-mentioned a kind of high-viscosity modified asphalt, is characterized in that, is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 7 parts, Sasobit asphalt modifier 3 parts, gutta-percha 1 part, 2 parts, styrene-butadiene rubber(SBR), 0.4 part, sulphur.
Above-mentioned a kind of high-viscosity modified asphalt, is characterized in that, is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 parts, Sasobit asphalt modifier 4 parts, gutta-percha 2 parts, 3 parts, styrene-butadiene rubber(SBR), 0.8 part, sulphur.
Above-mentioned a kind of high-viscosity modified asphalt, is characterized in that, described styrol copolymer is star-like styrene-butadiene-styrene block copolymer.
In addition, present invention also offers a kind of method preparing above-mentioned high-viscosity modified asphalt, it is characterized in that, comprise the following steps:
Step one, matrix pitch is heated to 150 DEG C ~ 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture;
Step 2, under the condition of temperature for 175 DEG C ~ 185 DEG C by mixture described in step one shear 45min ~ 60min, then add sulphur to continue to shear 15min ~ 30min, be grow 1h ~ 4h under the condition of 175 DEG C ~ 185 DEG C in temperature after shearing, obtain the high-viscosity modified asphalt that 60 DEG C of kinetic viscosities are not less than 20000Pas.
Above-mentioned method, is characterized in that, matrix pitch described in step one is 90# pitch.
The present invention compared with prior art has the following advantages:
1, high-viscosity modified asphalt of the present invention has good high-temperature stability, low-temperature cracking-resistance and ageing-resistant performance, expensive import high-viscosity modified asphalt can be replaced under the condition not affecting Pavement Condition, reduce construction costs, be widely used in the making of drainage asphalt pavement.
2, the present invention adopts styrol copolymer, Sasobit asphalt modifier, gutta-percha, styrene-butadiene rubber(SBR) and sulphur to be that altered contents and matrix pitch interact and prepare high-viscosity modified asphalt, and the high-viscosity modified asphalt obtained has good high-temperature stability, low-temperature cracking-resistance and ageing-resistant performance concurrently.
3, to prepare the raw material that high-viscosity modified asphalt adopts all nontoxic in the present invention, and easily mix with matrix pitch, and preparation technology is simple, product environmental protection.
4, high-viscosity modified asphalt of the present invention is applied in the making of drainage asphalt pavement, drainage asphalt mixture can be made to have good high-temperature stability, low-temperature cracking-resistance and anti-ability of dispersing, effectively improve the use properties of drainage asphalt pavement, extend the work-ing life of drainage asphalt pavement, high-viscosity modified asphalt of the present invention, compared with existing high-viscosity modified asphalt, has that preparation method is simple, low production cost and a high advantage of cost performance.
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment
Embodiment 1
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 6 parts, Sasobit asphalt modifier 3 parts, gutta-percha 1 part, 2 parts, styrene-butadiene rubber(SBR), 0.4 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 150 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 175 DEG C by mixture described in step one shear 60min, then add sulphur continue shear 30min, be grow 4h under the condition of 175 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
According to the testing method of regulation in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), the Specifications of high-viscosity modified asphalt prepared by embodiment 1 is tested, and contrast with the TPS modifying asphalt adopting ordinary method to prepare, test result is in table 1.
The technical indicator detected result of high-viscosity modified asphalt prepared by table 1 embodiment 1
As can be seen from Table 1, every Specifications of high-viscosity modified asphalt prepared by embodiment 1 all meets technical requirements, it has higher PG high temperature grading, show that there is good high-temperature behavior and stronger anti-rut behavior, the classification of PG low temperature is suitable with TPS modifying asphalt, and there is good elastic recovery capability, this high-viscosity modified asphalt of surface has the low-temperature cracking-resistance suitable with TPS modifying asphalt and ageing-resistant performance, 48h emanates, and comparatively TPS modifying asphalt is low for softening point difference, shows that this high-viscosity modified asphalt has good package stability.
Embodiment 2
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 7 parts, Sasobit asphalt modifier 3 parts, gutta-percha 1 part, 2 parts, styrene-butadiene rubber(SBR), 0.4 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 185 DEG C by mixture described in step one shear 45min, then add sulphur continue shear 15min, be grow 1h under the condition of 185 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
Embodiment 3
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 parts, Sasobit asphalt modifier 4 parts, gutta-percha 2 parts, 3 parts, styrene-butadiene rubber(SBR), 0.8 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 155 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 180 DEG C by mixture described in step one shear 55min, then add sulphur continue shear 25min, be grow 2.5h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
According to the testing method of regulation in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), test the Specifications of high-viscosity modified asphalt prepared by embodiment 2 and embodiment 3, test result is in table 2.
The technical indicator test result of high-viscosity modified asphalt prepared by table 2 embodiment 2 and embodiment 3
As can be seen from Table 2, every Specifications of high-viscosity modified asphalt prepared by embodiment 2 and embodiment 3 all meets technical requirements, illustrate that high-viscosity modified asphalt prepared by embodiment 2 and embodiment 3 all has good high-temperature behavior, stronger anti-rut behavior, good elastic recovery capability, low-temperature cracking-resistance, ageing-resistant performance and package stability.
Embodiment 4
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 parts, Sasobit asphalt modifier 4 parts, gutta-percha 2 parts, 3 parts, styrene-butadiene rubber(SBR), 0.4 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 180 DEG C by mixture described in step one shear 60min, then add sulphur continue shear 20min, be grow 2h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
Embodiment 5
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 7 parts, Sasobit asphalt modifier 3 parts, gutta-percha 1 part, 2 parts, styrene-butadiene rubber(SBR), 1 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 155 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 175 DEG C by mixture described in step one shear 50min, then add sulphur continue shear 20min, be grow 2h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
According to the testing method of regulation in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), test the Specifications of high-viscosity modified asphalt prepared by embodiment 4 and embodiment 5, test result is in table 3.
The technical indicator test result of high-viscosity modified asphalt prepared by table 3 embodiment 4 and embodiment 5
| Test subject | Unit | Embodiment 4 | Embodiment 5 | Technical requirements |
| Penetration degree (25 DEG C, 100g, 5s) | 0.1mm | 46.33 | 55.63 | ≥40 |
| Softening temperature (TR&B) | ℃ | 95.35 | 101.46 | ≥80 |
| 15 DEG C of ductilities | cm | 94.30 | 90.83 | ≥50 |
| Sticky toughness | N·m | 27.80 | 25.23 | ≥20 |
| Toughness | N·m | 19.80 | 17.10 | ≥15 |
| 60 DEG C of kinetic viscosities | Pa·s | 303786.25 | 249349.38 | ≥20000 |
| 175 DEG C of rotary viscosities | Pa·s | 0.95 | 0.58 | — |
| 5 DEG C of ductilities | cm | 26.79 | 37.46 | ≥20 |
| 25 DEG C of recovery of elasticity | ％ | 81.36 | 80.45 | ≥75 |
| Package stability (segregation, 48h | ℃ | 1.4 | 1.1 | ≤2.5 |
| Softening point difference) | ||||
| PG high temperature grading | ℃ | 82 | 76 | — |
| The classification of PG low temperature | ℃ | 22 | 22 | — |
As can be seen from Table 3, every Specifications of high-viscosity modified asphalt prepared by embodiment 4 and embodiment 5 all meets technical requirements, illustrate that high-viscosity modified asphalt prepared by embodiment 4 and embodiment 5 all has good high-temperature behavior, stronger anti-rut behavior, good elastic recovery capability, low-temperature cracking-resistance, ageing-resistant performance and package stability.
Embodiment 6
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 4 parts, Sasobit asphalt modifier 5 parts, gutta-percha 0.5 part, 1 part, styrene-butadiene rubber(SBR), 0.2 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 155 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 185 DEG C by mixture described in step one shear 45min, then add sulphur continue shear 20min, be grow 2h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
Embodiment 7
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 9 parts, Sasobit asphalt modifier 2 parts, gutta-percha 3 parts, 3 parts, styrene-butadiene rubber(SBR), 1.5 parts, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 175 DEG C by mixture described in step one shear 50min, then add sulphur continue shear 30min, be grow 2h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
According to the testing method of regulation in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), test the Specifications of high-viscosity modified asphalt prepared by embodiment 6 and embodiment 7, test result is in table 4.
The technical indicator test result of high-viscosity modified asphalt prepared by table 4 embodiment 6 and embodiment 7
As can be seen from Table 4, every Specifications of high-viscosity modified asphalt prepared by embodiment 6 and embodiment 7 all meets technical requirements, illustrate that high-viscosity modified asphalt prepared by embodiment 6 and embodiment 7 all has good high-temperature behavior, stronger anti-rut behavior, good elastic recovery capability, low-temperature cracking-resistance, ageing-resistant performance and package stability.
Embodiment 8
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 6.5 parts, Sasobit asphalt modifier 3.5 parts, gutta-percha 2 parts, 2 parts, styrene-butadiene rubber(SBR), 0.9 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 150 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 180 DEG C by mixture described in step one shear 50min, then add sulphur continue shear 20min, be grow 3h under the condition of 180 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
Embodiment 9
The present embodiment high-viscosity modified asphalt is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 6 parts, Sasobit asphalt modifier 3.5 parts, gutta-percha 1.5 parts, 2.5 parts, styrene-butadiene rubber(SBR), 0.7 part, sulphur; Described styrol copolymer is preferably star-like styrene-butadiene-styrene block copolymer.
The method that the present embodiment prepares high-viscosity modified asphalt comprises the following steps:
Step one, matrix pitch is heated to 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture; Described matrix pitch is preferably SK-90# pitch;
Step 2, under the condition of temperature for 180 DEG C by mixture described in step one shear 55min, then add sulphur continue shear 20min, be grow 3h under the condition of 185 DEG C in temperature after shearing, obtain high-viscosity modified asphalt.
According to the testing method of regulation in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), test the Specifications of high-viscosity modified asphalt prepared by embodiment 8 and embodiment 9, test result is in table 5.
The technical indicator test result of high-viscosity modified asphalt prepared by table 5 embodiment 8 and embodiment 9
As can be seen from Table 5, every Specifications of high-viscosity modified asphalt prepared by embodiment 8 and embodiment 9 all meets technical requirements, illustrate that high-viscosity modified asphalt prepared by embodiment 8 and embodiment 9 all has good high-temperature behavior, stronger anti-rut behavior, good elastic recovery capability, low-temperature cracking-resistance, ageing-resistant performance and package stability.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (7)
1. a high-viscosity modified asphalt, is characterized in that, is made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 4 ~ 9 parts, Sasobit asphalt modifier 2 ~ 5 parts, gutta-percha 0.5 ~ 3 part, 1 ~ 3 part, styrene-butadiene rubber(SBR), 0.2 ~ 1.5 part, sulphur.
2. according to a kind of high-viscosity modified asphalt according to claim 1, it is characterized in that, be made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 ~ 7 parts, Sasobit asphalt modifier 3 ~ 4 parts, gutta-percha 1 ~ 2 part; 2 ~ 3 parts, styrene-butadiene rubber(SBR), 0.4 ~ 1 part, sulphur.
3. according to a kind of high-viscosity modified asphalt according to claim 2, it is characterized in that, be made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 7 parts, Sasobit asphalt modifier 3 parts, gutta-percha 1 part, 2 parts, styrene-butadiene rubber(SBR), 0.4 part, sulphur.
4. according to a kind of high-viscosity modified asphalt according to claim 2, it is characterized in that, be made up of the raw material of following weight part: matrix pitch 100 parts, styrol copolymer 5 parts, Sasobit asphalt modifier 4 parts, gutta-percha 2 parts, 3 parts, styrene-butadiene rubber(SBR), 0.8 part, sulphur.
5. according to a kind of high-viscosity modified asphalt described in claim arbitrary in Claims 1 to 4, it is characterized in that, described styrol copolymer is star-like styrene-butadiene-styrene block copolymer.
6. prepare a method for high-viscosity modified asphalt as described in claim arbitrary in Claims 1 to 5, it is characterized in that, comprise the following steps:
Step one, matrix pitch is heated to 150 DEG C ~ 160 DEG C after add styrol copolymer and gutta-percha stirs, then add Sasobit asphalt modifier and styrene-butadiene rubber(SBR) stirs, obtain mixture;
Step 2, under the condition of temperature for 175 DEG C ~ 185 DEG C by mixture described in step one shear 45min ~ 60min, then add sulphur to continue to shear 15min ~ 30min, be grow 1h ~ 4h under the condition of 175 DEG C ~ 185 DEG C in temperature after shearing, obtain the high-viscosity modified asphalt that 60 DEG C of kinetic viscosities are not less than 20000Pas.
7. in accordance with the method for claim 6, it is characterized in that, matrix pitch described in step one is 90# pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608457.5A CN105111757B (en) | 2015-09-22 | 2015-09-22 | A kind of high-viscosity modified asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608457.5A CN105111757B (en) | 2015-09-22 | 2015-09-22 | A kind of high-viscosity modified asphalt and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105111757A true CN105111757A (en) | 2015-12-02 |
| CN105111757B CN105111757B (en) | 2017-11-14 |
Family
ID=54659884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510608457.5A Active CN105111757B (en) | 2015-09-22 | 2015-09-22 | A kind of high-viscosity modified asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105111757B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
| CN106189295A (en) * | 2016-08-05 | 2016-12-07 | 武汉理工大学 | A kind of composite modifier widening asphalt use temperature range and preparation method thereof |
| CN106810886A (en) * | 2016-12-30 | 2017-06-09 | 孙敏 | A kind of excellent composite modified asphalt of high temperature performance and preparation method |
| CN106883624A (en) * | 2017-03-29 | 2017-06-23 | 重庆重交再生资源开发股份有限公司 | Suitable for the high-viscosity modified asphalt formula and its modified technique of porous asphalt pavement |
| CN107722648A (en) * | 2016-08-12 | 2018-02-23 | 交通运输部公路科学研究所 | A kind of high-viscosity high-elasticity modified pitch and its preparation and application |
| CN108948754A (en) * | 2017-05-17 | 2018-12-07 | 交通运输部公路科学研究所 | A kind of special asphalt, its mixture and application for heavily loaded porous pavement making |
| CN109320974A (en) * | 2018-08-03 | 2019-02-12 | 扬州大学 | A kind of high viscosity composite modified asphalt and preparation method thereof |
| CN111909313A (en) * | 2020-08-17 | 2020-11-10 | 山东京博中聚新材料有限公司 | In-situ enhanced styrene-butadiene latex as well as preparation method and application thereof |
| CN114015244A (en) * | 2021-09-30 | 2022-02-08 | 中交第四公路工程局有限公司 | High-performance rubber asphalt and preparation method thereof |
| CN116162360A (en) * | 2023-03-31 | 2023-05-26 | 新疆交建路友道路材料科技有限公司 | Preparation method of high-viscosity elastic modified asphalt |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432230A (en) * | 2011-09-20 | 2012-05-02 | 武汉理工大学 | Preparation method for deicing, antiskid and denoising asphalt pavement material |
| CN104098918A (en) * | 2013-04-11 | 2014-10-15 | 上海建设机场道路工程有限公司 | Modified asphalt and preparation method thereof |
-
2015
- 2015-09-22 CN CN201510608457.5A patent/CN105111757B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432230A (en) * | 2011-09-20 | 2012-05-02 | 武汉理工大学 | Preparation method for deicing, antiskid and denoising asphalt pavement material |
| CN104098918A (en) * | 2013-04-11 | 2014-10-15 | 上海建设机场道路工程有限公司 | Modified asphalt and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李清泉 等: "杜仲胶与沥青共混性能试验", 《解放军理工大学学报（自然科学版）》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504843A (en) * | 2016-01-12 | 2016-04-20 | 南昌工程学院 | Road asphalt pavement |
| CN105504843B (en) * | 2016-01-12 | 2017-09-29 | 南昌工程学院 | A kind of asphalt highway |
| CN106189295A (en) * | 2016-08-05 | 2016-12-07 | 武汉理工大学 | A kind of composite modifier widening asphalt use temperature range and preparation method thereof |
| CN107722648A (en) * | 2016-08-12 | 2018-02-23 | 交通运输部公路科学研究所 | A kind of high-viscosity high-elasticity modified pitch and its preparation and application |
| CN106810886A (en) * | 2016-12-30 | 2017-06-09 | 孙敏 | A kind of excellent composite modified asphalt of high temperature performance and preparation method |
| CN106883624A (en) * | 2017-03-29 | 2017-06-23 | 重庆重交再生资源开发股份有限公司 | Suitable for the high-viscosity modified asphalt formula and its modified technique of porous asphalt pavement |
| CN108948754A (en) * | 2017-05-17 | 2018-12-07 | 交通运输部公路科学研究所 | A kind of special asphalt, its mixture and application for heavily loaded porous pavement making |
| CN109320974A (en) * | 2018-08-03 | 2019-02-12 | 扬州大学 | A kind of high viscosity composite modified asphalt and preparation method thereof |
| CN111909313A (en) * | 2020-08-17 | 2020-11-10 | 山东京博中聚新材料有限公司 | In-situ enhanced styrene-butadiene latex as well as preparation method and application thereof |
| CN114015244A (en) * | 2021-09-30 | 2022-02-08 | 中交第四公路工程局有限公司 | High-performance rubber asphalt and preparation method thereof |
| CN114015244B (en) * | 2021-09-30 | 2022-09-16 | 中交第四公路工程局有限公司 | High-performance rubber asphalt and preparation method thereof |
| CN116162360A (en) * | 2023-03-31 | 2023-05-26 | 新疆交建路友道路材料科技有限公司 | Preparation method of high-viscosity elastic modified asphalt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105111757B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105111757A (en) | High-viscosity modified pitch and preparation method thereof | |
| CN101235172B (en) | Asphalt pavement rubber plastic composite anti-rut agent and preparation method thereof | |
| CN103834185B (en) | A kind of polyurethane/nano composite modified asphalt and preparation method thereof | |
| CN105038279B (en) | Modified asphalt and preparing method thereof | |
| CN104725883A (en) | High-viscosity high-elasticity asphalt based on surface modification of rubber particles, and high-viscosity high-elasticity SMA (stone mastic asphalt) mixture based on surface modification of rubber particles and preparing method thereof | |
| CN102433007B (en) | Caulking asphalt for roads and bridges, and preparation method for caulking asphalt | |
| CN103613940A (en) | Rock asphalt composite modifier as well as preparation method and application thereof | |
| CN103073903A (en) | Rubber powder-modified asphalt and preparation method thereof | |
| CN105236831A (en) | Aged-asphalt regeneration agent, regenerated asphalt mixture and preparation method of two | |
| CN104830076B (en) | A kind of preparation method of scrap rubber cracking conversion modified pitch | |
| CN104987734A (en) | High fracture toughness and elasticity modified asphalt, preparing method and application thereof | |
| CN111286207A (en) | Modified asphalt composition for warm-mix thin-layer overlay and preparation method thereof | |
| CN104530731A (en) | High-viscosity spraying type SBS modified emulsified asphalt and preparing method thereof | |
| CN107474567A (en) | A kind of high adhered modification pitch and preparation method thereof | |
| CN104945919A (en) | Pouring asphalt binder and preparation method thereof | |
| Cao et al. | Evaluation of viscosity-temperature characteristics and rheological properties of rejuvenated SBS modified bitumen with active warm additive | |
| CN101348350A (en) | Waste rubber powder composite modified asphalt and preparation thereof | |
| CN109534724A (en) | A kind of High Modulus Asphalt Mixture and preparation method thereof modified based on high ash content rock asphalt | |
| CN102876058B (en) | Composite modified asphalt material applicable to anti-crack layer with pavement structure and preparation method thereof | |
| CN109320973B (en) | Asphalt cement, asphalt mixture and preparation method thereof | |
| CN113527899A (en) | Cast modified asphalt and cast modified asphalt concrete | |
| CN113861708A (en) | High-viscosity high-elasticity modified asphalt and preparation method thereof | |
| CN105948569A (en) | High-modulus modified recycling bituminous mixture and preparation method and application | |
| CN108587197A (en) | A kind of high adhered modification pitch and preparation method thereof | |
| CN102442802B (en) | Colorful pavement cementing material for low-grade road surface and preparation method of colorful pavement cementing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |