CN105348832A - High-viscosity anti-rutting performance modified asphalt and processing method - Google Patents
High-viscosity anti-rutting performance modified asphalt and processing method Download PDFInfo
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- CN105348832A CN105348832A CN201510917391.8A CN201510917391A CN105348832A CN 105348832 A CN105348832 A CN 105348832A CN 201510917391 A CN201510917391 A CN 201510917391A CN 105348832 A CN105348832 A CN 105348832A
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- 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
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
Abstract
The invention relates to high-viscosity anti-rutting performance modified asphalt and a processing method, and belongs to the technical field of petrochemical engineering. The modified asphalt is mainly prepared from the following components: 80 to 90 parts of matrix asphalt, 1 to 5 parts of nano-zinc oxide, 1 to 5 parts of nano-clay, 1 to 3 parts of diatomite, 1 to 3 parts of SBS and 3 to 5 parts of limestone; the processing method of the modified asphalt comprises the steps of heating the matrix asphalt to 140 to 160 DEG C, adding the diatomite, SBS and limestone in proportions, continuously heating and stirring for 20 to 30min, then adding the nano-zinc oxide and nano-clay, uniformly stirring at the temperature of 160 DEGC, and shearing for 30min; standing at room temperature for 6 to 8h, and then shearing for 20 to 30min to obtain the modified asphalt; the method is simple in process, energy-saving, environment-friendly and low in cost; the asphalt prepared by adopting the method is high in adsorption capacity on the surface of a rock material, has good antistrip performance, is high in softening point anti-rutting performance, and high in stretching resistance, ageing resistance, oxidation resistance, anti-water damage ability and microorganism corrosion resisting effect.
Description
Technical field
The present invention relates to a kind of modifying asphalt and working method, be specifically related to a kind of modifying asphalt and working method of high sticky anti-rut behavior, belong to technical field of petrochemical industry.
Background technology
Be High Level, diversified development to road demand in recent years, the exploitation actively pushing forward road new technology has been the research center of gravity of road research worker.Pitch is as one of the main raw of Road construction, and the quality of its performance just seems particularly important.Pitch is the heavy product of natural crude oil, and it is dispersed in the less oil content of molecular mass by the blue or green matter of the hole that molecular mass is relatively large and forms under the parcel of colloid.The chemical constitution of pitch self and chemical structure determine that its ageing resistance is poor, and high-temperature stability is bad, the easy embrittlement of low temperature.And the superior physicochemical property of Cucumber can make up the defect of pitch self, have so just occurred modifying asphalt.So-called modifying asphalt refers to admixture rubber, resin, high molecular polymer, levigate rubber powder, or the asphaltic binder that the outer miserable agent (properties-correcting agent) such as other materials is made, thus the performance of pitch or asphalt is improved.
Modern Traffic development rapidly, along with the increase of highway in China mileage, the raising of grade, the improvement of road conditions,, axle for vehicle load-carrying large in conjunction with modern high-grade road traffic density, loading action interval be short, at a high speed and the feature of canalization, there is the problems such as the decay of high temperature rut, low-temperature cracks, sliding resistance, noise pollution in bituminous pavement, wherein rut phenomenon ubiquity in worldwide on road surface, the existence of rut not only has influence on the safety and comfort of middle vehicle of running at high speed, and also shortens the work-ing life of the blue or green road in Zhejiang greatly simultaneously.In this case, how to improve the using character on road surface, and provide safer, more comfortable to society, highway communication more efficiently, become the fresh target that highway in China traffic department is pursued.Therefore, the weather resistance of the bituminous pavement that only improves constantly the pavement performance of pitch in technical feature, improve adhesivity between pitch and aggregate, extends, could adapt to the requirement of Modern Traffic.
Phase late 1980s, carry out the research of pitch rut problem in China while, also formal from U.S. introduction OGFC asphalt pavement technique, Chang An University is studied AK-16, SAC-16, SMA, OGFC tetra-kinds of asphalts, by its pavement performance of experimental study, test-results shows, in four kinds of asphalts, the cling property of OGFC is best, and rutting resistance is stronger.In recent years, by the technological improvement to aspects such as aggregate diameter, grating, mix-designs, there had been significant raising the drainability on OGFC road surface and durable ability aspect.
Although OGFC asphalt pavement technique anti-rut behavior is good, anti-fatigue performance is poor, because viscosity is low, gathers materials that it is not enough to wrap up in attached thickness, and under Heavy Traffic, pavement durability is high and be difficult to the problems affect construction quality ensureing large voidage.Chinese patent CN104446157A discloses rubber powder composite modified asphalt mixture of a kind of high anti-rut behavior and preparation method thereof, increase substantially the anti-rut behavior of Rubber-Asphalt Pavement, dynamic stability has significant increase than SBS modified asphalt mixture, and low-temperature cracking-resistance, water stability slightly improve.Visible composite modified asphalt more can meet highway demand.
Summary of the invention
The present invention is directed to prior art Problems existing, provide a kind of modifying asphalt and working method of high sticky anti-rut behavior, technique is simple, environmental protection, the modifying asphalt anti-rut behavior of preparation and anti-fatigue performance better.
In order to solve the problem, the technical solution adopted in the present invention is:
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 80 ~ 90 parts, nano zine oxide 1 ~ 5 part, nanoclay 1 ~ 5 part, 1 ~ 3 part, diatomite, SBS1 ~ 3 part, 3 ~ 5 parts, Wingdale.
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 80 parts, nano zine oxide 2 parts, nanoclay 2 parts, 3 parts, diatomite, SBS2 part, 3 parts, Wingdale.
Described nanoclay is Cloisite-15A.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 140 ~ 160 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 20 ~ 30min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 20 ~ 30min after leaving standstill 6 ~ 8h again.
The invention has the beneficial effects as follows:
(1) adopt multiple material compound, and select nano material, the material of different-grain diameter is complemented each other, and in pitch, dispersion effect is good, has given full play to network filling effect, increases the internal friction in unit surface, and then macro manifestations is that viscosity increases.
(2) pitch adopting present method to prepare, be adsorbed on rock material surface energy high, there is good antistrip performance, softening temperature rutting resistance is high, stretching resistance, anti-aging oxidation susceptibility, water resistant damage capability and antimicrobial erosion action are strong, effectively can improve the driving comfort level of highway, extend highway work-ing life.
(3) technique is simple, and energy-conserving and environment-protective, cost is low.
Embodiment
Be described in further details the present invention below by embodiment, these embodiments are only used for the present invention is described, do not limit the scope of the invention.
embodiment 1
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 80 parts, nano zine oxide 5 parts, nanoclay Cloisite-15A5 part, 3 parts, diatomite, SBS3 part, 5 parts, Wingdale.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 140 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 30min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 30min after leaving standstill 6h again.
embodiment 2
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 90 parts, nano zine oxide 1 part, nanoclay Cloisite-15A1 part, 1 part, diatomite, SBS1 part, 3 parts, Wingdale.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 160 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 20, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 20min after leaving standstill 8h again.
embodiment 3
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 85 parts, nano zine oxide 2 parts, nanoclay Cloisite-15A2 part, 3 parts, diatomite, SBS2 part, 3 parts, Wingdale.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 150 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 25min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 25min after leaving standstill 7h again.
embodiment 4
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 85 parts, nano zine oxide 5 parts, nanoclay Cloisite-15A1 part, 2 parts, diatomite, SBS3 part, 3 parts, Wingdale.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 140 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 30min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 25min after leaving standstill 6h again.
embodiment 5
A kind of high sticky anti-rut behavior modifying asphalt, is made up of the component of following weight part: matrix pitch 80 parts, nano zine oxide 2 parts, nanoclay Cloisite-15A5 part, 3 parts, diatomite, SBS1 part, 4 parts, Wingdale.
A working method for high sticky anti-rut behavior modifying asphalt, comprises the steps:
Matrix pitch is heated to 150 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 20min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 20min after leaving standstill 7h again.
Claims (4)
1. a high sticky anti-rut behavior modifying asphalt, is characterized in that: be made up of the component of following weight part: matrix pitch 80 ~ 90 parts, nano zine oxide 1 ~ 5 part, nanoclay 1 ~ 5 part, 1 ~ 3 part, diatomite, SBS1 ~ 3 part, 3 ~ 5 parts, Wingdale.
2. a high sticky anti-rut behavior modifying asphalt, is characterized in that: be made up of the component of following weight part: matrix pitch 80 parts, nano zine oxide 2 parts, nanoclay 2 parts, 3 parts, diatomite, SBS2 part, 3 parts, Wingdale.
3. a kind of high sticky anti-rut behavior modifying asphalt according to claim 1 and 2, is characterized in that: described nanoclay is Cloisite-15A.
4. glue a method for anti-rut behavior modifying asphalt for the height processed described in claim 1 and 2, it is characterized in that: comprise the steps:
Matrix pitch is heated to 140 ~ 160 DEG C, adds diatomite in proportion, SBS, Wingdale, continue heat and after stirring 20 ~ 30min, then add nano zine oxide, nanoclay, stir under 160 DEG C of conditions, shearing 30min; Normal temperature shears 20 ~ 30min after leaving standstill 6 ~ 8h again.
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| CN201510917391.8A CN105348832A (en) | 2015-12-14 | 2015-12-14 | High-viscosity anti-rutting performance modified asphalt and processing method |
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| CN201510917391.8A CN105348832A (en) | 2015-12-14 | 2015-12-14 | High-viscosity anti-rutting performance modified asphalt and processing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118099A (en) * | 2016-07-13 | 2016-11-16 | 吴迪 | A kind of preparation method of environment protection modified pitch |
| CN106746927A (en) * | 2016-12-27 | 2017-05-31 | 华北水利水电大学 | Nano-compound modified asphalt and preparation method thereof |
| CN108641386A (en) * | 2018-05-30 | 2018-10-12 | 广东华路交通科技有限公司 | A kind of environment-friendly type anti-rutting modified asphalt and preparation method thereof |
| CN110423477A (en) * | 2019-08-21 | 2019-11-08 | 南京林业大学 | A kind of antibacterial type modified pitch and preparation method thereof |
| CN111978744A (en) * | 2020-07-10 | 2020-11-24 | 苏州三创路面工程有限公司 | Design and preparation method of rubber powder modified high-viscosity asphalt drainage pavement mixture |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118099A (en) * | 2016-07-13 | 2016-11-16 | 吴迪 | A kind of preparation method of environment protection modified pitch |
| CN106746927A (en) * | 2016-12-27 | 2017-05-31 | 华北水利水电大学 | Nano-compound modified asphalt and preparation method thereof |
| CN106746927B (en) * | 2016-12-27 | 2019-02-12 | 华北水利水电大学 | Nano-compound modified asphalt and preparation method thereof |
| CN108641386A (en) * | 2018-05-30 | 2018-10-12 | 广东华路交通科技有限公司 | A kind of environment-friendly type anti-rutting modified asphalt and preparation method thereof |
| CN108641386B (en) * | 2018-05-30 | 2020-09-11 | 广东华路交通科技有限公司 | Environment-friendly anti-rutting modified asphalt and preparation method thereof |
| CN110423477A (en) * | 2019-08-21 | 2019-11-08 | 南京林业大学 | A kind of antibacterial type modified pitch and preparation method thereof |
| CN111978744A (en) * | 2020-07-10 | 2020-11-24 | 苏州三创路面工程有限公司 | Design and preparation method of rubber powder modified high-viscosity asphalt drainage pavement mixture |
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Application publication date: 20160224 |