CN111534115A - Environment-friendly warm-mix modified asphalt and preparation method and application thereof - Google Patents
Environment-friendly warm-mix modified asphalt and preparation method and application thereof Download PDFInfo
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- CN111534115A CN111534115A CN202010423887.0A CN202010423887A CN111534115A CN 111534115 A CN111534115 A CN 111534115A CN 202010423887 A CN202010423887 A CN 202010423887A CN 111534115 A CN111534115 A CN 111534115A
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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
- C08L2201/08—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
- C08L2207/24—Recycled plastic recycling of old tyres and caoutchouc and addition of caoutchouc particles
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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
- C08L2555/00—Characteristics of bituminous mixtures
- C08L2555/20—Mixtures of bitumen and aggregate defined by their production temperatures, e.g. production of asphalt for road or pavement applications
- C08L2555/24—Asphalt produced between 100°C and 140°C, e.g. warm mix asphalt
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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
- C08L2555/00—Characteristics of bituminous mixtures
- C08L2555/30—Environmental or health characteristics, e.g. energy consumption, recycling or safety issues
- C08L2555/34—Recycled or waste materials, e.g. reclaimed bitumen, asphalt, roads or pathways, recycled roof coverings or shingles, recycled aggregate, recycled tires, crumb rubber, glass or cullet, fly or fuel ash, or slag
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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
- C08L2555/00—Characteristics of bituminous mixtures
- C08L2555/40—Mixtures based upon bitumen or asphalt containing functional additives
- C08L2555/80—Macromolecular constituents
- C08L2555/84—Polymers comprising styrene, e.g., polystyrene, styrene-diene copolymers or styrene-butadiene-styrene copolymers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention provides an environment-friendly warm mix modified asphalt, a preparation method and application thereof, wherein the environment-friendly warm mix modified asphalt comprises the following components in parts by weight: 92-95 parts of soluble rubber powder modified asphalt, 1.5-2.3 parts of warm mixing agent, 2.5-3.2 parts of thermoplastic elastomer, 0.4-0.6 part of stabilizer and 0.9-1 part of anti-aging agent. The environment-friendly warm mix modified asphalt disclosed by the invention is environment-friendly and low in cost, and can achieve the purposes of protecting a pavement structure and prolonging the service life of a pavement; the road surface can be exposed to the sun for a long time, can be used in heavy rain weather, and has wide application range and long service life.
Description
Technical Field
The invention relates to the field of highway building materials, in particular to environment-friendly warm-mix modified asphalt and a preparation method and application thereof.
Background
With the rapid development of economy in China, the traffic road conditions of the expressway have the characteristics of heavy load, high flow, obvious channelization and the like, and the quality requirement on the asphalt pavement is higher and higher. Although the proportion of asphalt pavement is increasing in road construction in China, asphalt is a temperature-sensitive material and can have fluidity only at a sufficient temperature, so that the conventional hot-mix asphalt mixture is adopted for most of the asphalt pavements at present, namely asphalt is heated to 140 ℃ or even higher, mineral aggregates are heated to 180 ℃, and then the asphalt and the mineral aggregates are mixed at a high temperature. The asphalt and mineral aggregate are heated to such high temperature, mainly to meet the construction workability problem required by the improvement of the pavement compactness requirement, and for the conventional asphalt material, the higher the heating temperature of the mixture is, the more the workability is ensured, however, the mixing process not only consumes a large amount of energy, but also discharges a large amount of waste gas and dust in the production and construction processes, and seriously influences the surrounding environmental quality and the physical health of constructors.
Therefore, people begin to develop an environment-friendly warm-mix asphalt mixture to replace the traditional hot-mix asphalt mixture in 1995, so that the mixing temperature of the mixture is reduced as much as possible at reasonable cost on the premise of not influencing the pavement performance of the asphalt mixture as much as possible, thereby reducing the emission of carbon dioxide and reducing the aging damage to asphalt. Because the temperature of the mixture can be reduced in the mixing and paving processes, the construction in severe cold regions becomes possible
However, the environment-friendly warm mix asphalt in the prior art has various problems, such as higher cost, short service life of the formed pavement and the like.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide the environment-friendly warm-mix modified asphalt, the preparation method and the application thereof, which can effectively reduce the aging degree of the asphalt, improve the environment, recycle the waste rubber resource, have simple and convenient operation and save the cost; the formed pavement can be exposed to the sun for a long time, can be used in heavy rain weather, and has wide application range and long service life.
To achieve the above objects and other related objects, the present invention includes the following technical solutions.
The invention provides environment-friendly warm mix modified asphalt which comprises the following components in parts by weight:
preferably, the soluble crumb rubber modified asphalt is 92-95 parts.
According to the warm-mix modified asphalt, the raw material components of the soluble rubber powder modified asphalt comprise waste rubber powder and matrix asphalt; wherein the mass ratio of the waste rubber powder to the matrix asphalt is 1: (2-5), preferably 1: (3-4).
According to the warm mix modified asphalt, the waste rubber powder is processed from waste tires, and the density of the waste rubber powder is 0.95-1.15 g/cm3。
According to the warm-mix modified asphalt, the soluble rubber powder modified asphalt is prepared by mixing waste rubber powder and matrix asphalt at the temperature of 250-270 ℃. More preferably, the adhesive is prepared by mixing at 255-265 ℃. More preferably, the mixing time is at least 2 hours, and preferably, the mixing time is 5 to 10 hours.
According to the warm-mix modified asphalt, the matrix asphalt is No. 70 asphalt.
According to the warm-mix modified asphalt, the warm-mix agent is octadecyl dimethyl benzyl ammonium chloride.
According to the warm mix modified asphalt, the thermoplastic elastomer is linear SBS. Are used herein as modifiers.
Preferably, in the present application, the melt flow rate of the linear SBS at 190 ℃ under 2.16Kg pressure is (0.5-2.5) g/10min, preferably (1.2-1.8) g/10 min.
The warm-mix modified asphalt comprises a mixture of magnesium-aluminum-based layered double-hydroxy composite metal hydroxide and n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate, wherein the mass ratio of the magnesium-aluminum-based layered double-hydroxy composite metal hydroxide to the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 1: (0.5 to 2)
The magnalium-based layered double-hydroxyl composite metal hydroxide in the application is magnalium hydrotalcite with a chemical formula of [ Mg6Al2(OH)16CO3]·4H2O。
According to the warm-mixed modified asphalt, the magnesium content is 18-23 wt% based on the total mass of the magnesium-aluminum-based layered double-hydroxy composite metal hydroxide.
According to the warm-mix modified asphalt, the melting point of the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 50-55 ℃.
The invention also discloses a preparation method of the environment-friendly warm-mix modified asphalt, which comprises the following steps:
preheating the soluble rubber powder modified asphalt to 160-180 ℃, adding the thermoplastic elastomer for mixing, adding the stabilizer and the anti-aging agent for mixing, and finally adding the warm mixing agent for mixing to obtain the environment-friendly warm-mixed modified asphalt.
According to the preparation method, a stirrer is adopted for stirring and mixing during mixing.
The mixing time is determined according to the requirement, according to the preparation method, the mixing time of adding the thermoplastic elastomer is not less than 1h, and the mixing time of adding the stabilizer and the anti-aging base is not less than 0.4 h.
The invention also discloses the application of the environment-friendly warm-mix modified asphalt in paving a road surface to form the road surface.
Compared with the prior art, the invention has the following advantages:
(1) the asphalt is prepared by mixing the soluble rubber powder modified asphalt, the warm mixing agent, the thermoplastic elastomer, the stabilizer and the anti-aging agent according to a certain process, and by the synergistic effect of the scheme, the aging degree of the asphalt can be effectively reduced, the environment is improved, the waste rubber resources are recycled, and the energy consumption is effectively reduced by about 30%; and the preparation method is simple and convenient to operate and saves cost.
(2) The environment-friendly warm mix modified asphalt provided by the invention has good high temperature resistance, low temperature resistance and adhesion performance, and can achieve the purposes of protecting a pavement structure and prolonging the service life of a pavement; the road surface can be exposed to the sun for a long time, can be used in heavy rain weather, and has wide application range and long service life.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It is to be understood that the processing equipment or apparatus not specifically identified in the following examples is conventional in the art.
Furthermore, it is to be understood that one or more method steps mentioned in the present invention does not exclude that other method steps may also be present before or after the combined steps or that other method steps may also be inserted between these explicitly mentioned steps, unless otherwise indicated; it is also to be understood that a combined connection between one or more devices/apparatus as referred to in the present application does not exclude that further devices/apparatus may be present before or after the combined device/apparatus or that further devices/apparatus may be interposed between two devices/apparatus explicitly referred to, unless otherwise indicated. Moreover, unless otherwise indicated, the numbering of the various method steps is merely a convenient tool for identifying the various method steps, and is not intended to limit the order in which the method steps are arranged or the scope of the invention in which the invention may be practiced, and changes or modifications in the relative relationship may be made without substantially changing the technical content.
The waste rubber powder in the embodiment of the application is processed by waste tires, and the density of the waste rubber powder is 0.95-1.15 g/cm3。
No. 70 asphalt is used as asphalt in the examples of the application.
The warm-mixing agent in the embodiment of the application is octadecyl dimethyl benzyl ammonium chloride.
The thermoplastic elastomer in the embodiment of the application is linear SBS, and the melt flow rate of the linear SBS at 2.16Kg pressure and 190 ℃ is (0.5-2.5) g/10min, preferably (1.2-1.8) g/10min, and specifically 1.5g/10 min.
The anti-aging agent is a mixture of magnesium aluminum based layered double-hydroxy composite metal hydroxide and n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate. Wherein, the content of magnesium is 18-23 wt% based on the total mass of the magnesium-aluminum based layered double-hydroxyl composite metal hydroxide.
Example 1
The environment-friendly warm mix modified asphalt in the embodiment comprises the following components in parts by weight:
93 parts of soluble rubber powder modified asphalt, 2.3 parts of warm mixing agent, 3.1 parts of thermoplastic elastomer, 0.6 part of stabilizer and 1 part of anti-aging agent.
The soluble rubber powder modified asphalt adopted in the embodiment is prepared by mixing waste rubber powder and matrix asphalt at 250 ℃, wherein the mass ratio of the waste rubber powder to the matrix asphalt is 1:3, and the mixing time is 6 hours.
In this embodiment, the mass ratio of the magnesium-aluminum-based layered double-hydroxy composite metal hydroxide to the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 1: 1. the preparation method of the environment-friendly warm-mix modified asphalt comprises the following steps:
preheating the soluble rubber powder modified asphalt to 175 ℃, adding the thermoplastic elastomer, stirring for 1.5h by using an electric stirrer, adding the stabilizer and the anti-aging agent, continuously stirring for 0.5h, finally adding the warm mixing agent, and stirring for 0.5h to obtain the environment-friendly warm-mixed modified asphalt.
Example 2
The environment-friendly warm-mix modified asphalt of the embodiment comprises the following components in parts by weight:
94 parts of soluble rubber powder modified asphalt, 1.5 parts of warm mixing agent, 3.2 parts of thermoplastic elastomer, 0.4 part of stabilizer and 0.9 part of anti-aging agent.
The soluble rubber powder modified asphalt adopted in the embodiment is prepared by mixing waste rubber powder and matrix asphalt at 250 ℃, wherein the mass ratio of the waste rubber powder to the matrix asphalt is 1:4, and the mixing time is 6 hours.
In this embodiment, the mass ratio of the magnesium-aluminum-based layered double-hydroxy composite metal hydroxide to the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 1: 0.5.
the preparation method of the environment-friendly warm-mix modified asphalt comprises the following steps: preheating the soluble rubber powder modified asphalt to 175 ℃, adding the thermoplastic elastomer, stirring for 1.5h by using an electric stirrer, adding the stabilizer and the anti-aging agent, continuously stirring for 0.5h, finally adding the warm mixing agent, and stirring for 0.5h to obtain the environment-friendly warm-mixed modified asphalt.
Example 3
The environment-friendly warm mix modified asphalt in the embodiment comprises the following components in parts by weight:
94.5 parts of soluble rubber powder modified asphalt, 1.7 parts of warm mixing agent, 2.5 parts of thermoplastic elastomer, 0.4 part of stabilizer and 0.9 part of anti-aging agent.
The soluble rubber powder modified asphalt adopted in the embodiment is prepared by mixing waste rubber powder and matrix asphalt at 270 ℃, wherein the mass ratio of the waste rubber powder to the matrix asphalt is 1:4, and the mixing time is 5 hours.
In this embodiment, the mass ratio of the magnesium-aluminum-based layered double-hydroxy composite metal hydroxide to the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 1: 2.
the preparation method of the environment-friendly warm-mix modified asphalt comprises the following steps:
preheating the soluble rubber powder modified asphalt to 175 ℃, adding the thermoplastic elastomer, stirring for 1.5h by using an electric stirrer, adding the stabilizer and the anti-aging agent, continuously stirring for 0.5h, finally adding the warm mixing agent, and stirring for 0.5h to obtain the environment-friendly warm-mixed modified asphalt.
The comparative tests of the examples 1, 2 and 3 of the invention and the existing warm mix asphalt (comparative example) are carried out, the specific parameters, the test methods and the results are as follows,
among them, the conventional warm mix asphalt as a comparative example is a mixture of a warm mix agent, a thermoplastic elastomer, and a matrix asphalt.
The detection method of penetration, softening point, 5 ℃ ductility and 135 ℃ viscosity index refers to the method in JTG E20-2011 highway engineering asphalt and asphalt mixture test procedures.
The results are given in the following table:
| index (I) | Unit of | Comparative example | Example 1 | Example 2 | Example 3 |
| Penetration degree | 0.1mm | 53 | 65 | 64 | 61 |
| Softening point | ℃ | 83 | 60.5 | 63.5 | 66 |
| Ductility at 5 DEG C | cm | 50 | 58 | 57 | 65 |
| Viscosity index at 135 ℃ | Pa·s | 3.523 | 2.021 | 2.034 | 2.885 |
The modified asphalt is warm-mixed asphalt which has good fluidity at 135 ℃, can be mixed with mineral aggregate at 135-160 ℃, has low mixing temperature, and can effectively avoid the generation of waste gas and dust in the production and construction processes.
As can be seen from the detection results, the penetration and ductility of the environment-friendly warm mix modified asphalt prepared in the embodiments 1 to 3 of the technical scheme are obviously improved, which indicates that the low-temperature performance of the asphalt is improved. The softening point and viscosity are reduced relative to the comparative examples, indicating that the workability of asphalt is improved.
By the embodiment, the specific technical effects and the specific construction and use effects, the technical scheme as claimed in the application can achieve the purposes of protecting the pavement structure and prolonging the service life of the pavement; the road surface can be exposed to the sun for a long time, can be used in heavy rain weather, and has wide application range and long service life.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The environment-friendly warm-mix modified asphalt is characterized by comprising the following components in parts by weight:
2. the warm-mix modified asphalt of claim 1, wherein the raw material components of the soluble crumb rubber modified asphalt comprise waste rubber powder and matrix asphalt; wherein the mass ratio of the waste rubber powder to the matrix asphalt is 1: (2-5).
3. The modified asphalt of claim 2, wherein the soluble rubber powder modified asphalt is prepared by mixing waste rubber powder and matrix asphalt at 250-270 ℃; and/or the waste rubber powder is processed by waste tires, and the density of the waste rubber powder is 0.95-1.15 g/cm3。
4. The warm-mix modified asphalt of claim 2, wherein the base asphalt is No. 70 asphalt.
5. The warm-mix modified asphalt of claim 1, wherein the warm-mix agent is octadecyl dimethyl benzyl ammonium chloride.
6. The warm-mix modified asphalt of claim 1, wherein the thermoplastic elastomer is linear SBS; and/or the anti-aging agent is a mixture of magnesium aluminum based layered double-hydroxy composite metal hydroxide and beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionic acid n-octadecyl ester.
7. The warm-mix modified asphalt according to claim 6, wherein the mass ratio of the magnalium-based layered double-hydroxy composite metal hydroxide to the n-octadecyl beta- (4-hydroxyphenyl-3, 5-di-tert-butyl) propionate is 1: (0.5 to 2); and/or the content of magnesium is 18-23 wt% based on the total mass of the magnesium-aluminum-based layered double-hydroxyl composite metal hydroxide; and/or the melt flow rate of the linear SBS at 2.16Kg pressure and 190 ℃ is (0.5-2.5) g/10 min.
8. A preparation method of the warm-mix modified asphalt as claimed in any one of claims 1 to 7, comprising the steps of: preheating the soluble rubber powder modified asphalt to 160-180 ℃, adding the thermoplastic elastomer for mixing, adding the stabilizer and the anti-aging agent for mixing, and finally adding the warm mixing agent for mixing to obtain the environment-friendly warm-mixed modified asphalt.
9. Use of the warm-mix modified asphalt as defined in any one of claims 1 to 7 for paving to form a road surface.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174269A (en) * | 2011-03-21 | 2011-09-07 | 武汉理工大学 | Magnesium-aluminum based layered double hydroxide aging resistant SBS (Styrene-Butadiene-Styrene Block Copolymer) modified asphalt and preparation method thereof |
| CN102181161A (en) * | 2011-03-21 | 2011-09-14 | 武汉理工大学 | Ageing-resistant road asphalt based on magnesium-aluminum-based laminar double hydroxide and preparation method thereof |
| CN103709771A (en) * | 2013-12-27 | 2014-04-09 | 江苏省交通科学研究院股份有限公司 | Stable type finished warm-mixing rubber modified asphalt and preparation method thereof |
| CN108276788A (en) * | 2018-02-06 | 2018-07-13 | 中石油燃料油有限责任公司研究院 | A kind of warm mix anti-ultraviolet ageing pitch and preparation method thereof |
| CN110387130A (en) * | 2019-07-15 | 2019-10-29 | 南京科技职业学院 | A kind of preparation method of rubber powder asphalt |
| CN111138878A (en) * | 2020-03-06 | 2020-05-12 | 广东石油化工学院 | Warm-mix modified rubber asphalt and preparation method thereof |
-
2020
- 2020-05-19 CN CN202010423887.0A patent/CN111534115A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174269A (en) * | 2011-03-21 | 2011-09-07 | 武汉理工大学 | Magnesium-aluminum based layered double hydroxide aging resistant SBS (Styrene-Butadiene-Styrene Block Copolymer) modified asphalt and preparation method thereof |
| CN102181161A (en) * | 2011-03-21 | 2011-09-14 | 武汉理工大学 | Ageing-resistant road asphalt based on magnesium-aluminum-based laminar double hydroxide and preparation method thereof |
| CN103709771A (en) * | 2013-12-27 | 2014-04-09 | 江苏省交通科学研究院股份有限公司 | Stable type finished warm-mixing rubber modified asphalt and preparation method thereof |
| CN108276788A (en) * | 2018-02-06 | 2018-07-13 | 中石油燃料油有限责任公司研究院 | A kind of warm mix anti-ultraviolet ageing pitch and preparation method thereof |
| CN110387130A (en) * | 2019-07-15 | 2019-10-29 | 南京科技职业学院 | A kind of preparation method of rubber powder asphalt |
| CN111138878A (en) * | 2020-03-06 | 2020-05-12 | 广东石油化工学院 | Warm-mix modified rubber asphalt and preparation method thereof |
Non-Patent Citations (8)
| Title |
|---|
| 中国硅酸盐学会房屋建筑材料分会编: "《房建材料与绿色建筑》", 31 August 2009, 中国建材工业出版社 * |
| 吴雪柳等: "不同温拌剂对ＳＢＳ复合改性橡胶沥青的路用性能影响", 《中外公路》 * |
| 张威: "温拌剂作用机理及温拌再生沥青老化特征研究", 《西安交通科技》 * |
| 张金升等编著: "《交通新材料》", 31 January 2014, 哈尔滨工业大学出版社 * |
| 汤林新等编著: "《高等级公路路面耐久性》", 31 March 1996, 人民交通出版社 * |
| 王友奎等: "表面活性型温拌剂的应用研究", 《石油沥青》 * |
| 赵豫生: "季铵盐类表面活性剂温拌沥青混合料性能", 《公路交通科技》 * |
| 马浩: "温拌胶粉改性沥青混合料性能与环保功效研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
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