CN108795068A - A kind of cold-mix asphalt mixture - Google Patents
A kind of cold-mix asphalt mixture Download PDFInfo
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- CN108795068A CN108795068A CN201810401337.1A CN201810401337A CN108795068A CN 108795068 A CN108795068 A CN 108795068A CN 201810401337 A CN201810401337 A CN 201810401337A CN 108795068 A CN108795068 A CN 108795068A
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- asphalt mixture
- 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
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of cold-mix asphalt mixtures, are made of the raw material of following parts by weight：100 parts of pitch, 5-20 parts of polyethylene-polypropylene copolymer 1,2-5 parts of alkyl phenol polyoxyethylene ether, 1-3 parts of polyethylene glycol, 2-8 parts of sepiolite powder, 0.1-0.5 parts of compatilizer, 0.01-0.5 parts of eliminating smell agent.The cold-mix asphalt mixture of the present invention uses polyethylene-polypropylene copolymer as reinforcing agent, it is effectively improved the anti-rut behavior of cold-mix asphalt mixture, and compatilizer is added, so that polyethylene-polypropylene copolymer is evenly dispersed in pitch, avoids generation segregation phenomenon.
Description
Technical field
The present invention relates to field of bitumen technology, and in particular to a kind of cold-mix asphalt mixture.
Background technology
Cold-mix asphalt mixture refers to mix at normal temperatures, and the asphalt being laid under room temperature can also make cold-application drip
Green mixture has many advantages, such as energy conservation and environmental protection, convenient for construction.Cold-mix asphalt mixture technology overcomes hot-mix asphalt mixture and exists
It is limited by season, weather, temperature in process of deployment, and is made in heating process pitch since high temperature releases toxic gas
At the drawbacks such as environmental pollution.Cold-mix asphalt has following main feature：Suitable for any weather and environment, at -30~50 DEG C
Under can still construct；Work progress uses pitch cold mixing material, when repairing to be not required to heavy construction machinery, can be according to the difference in roadside
Situation is repaired using road roller compacting, punching press compacting, manual compaction；With extremely strong anti-aging and adhesive property, after repairing
Pit slot is not likely to produce the bad phenomenons such as fall off, be cracked.
In the prior art, cold-mix asphalt mixture generally existing problems with：The compatibility of mixture is poor, is easy to happen
Segregation phenomenon；The smell of mixture is larger, and the toxic gas in pitch can be slowly dispersed into air with ambient air temperature rising, be given
Environment brings serious pollution；The curing rate of mixture is slower, and it is longer that road completes the duration.
Invention content
In view of the above problems, the present invention provides a kind of cold-mix asphalt mixture, the phase for solving cold-mix asphalt mixture
Capacitive distributes toxic odor and the slow problem of curing rate.
To achieve the above object, the present invention solves by the following technical programs：
A kind of cold-mix asphalt mixture, is made of the raw material of following parts by weight：100 parts of pitch, polyethylene-polypropylene copolymerization
15-20 parts of object, 2-5 parts of alkyl phenol polyoxyethylene ether, 1-3 parts of polyethylene glycol, 2-8 parts of sepiolite powder, 0.1-0.5 parts of compatilizer,
0.01-0.5 parts of eliminating smell agent.
Preferably, it is made of the raw material of following parts by weight：100 parts of pitch, polyethylene-polypropylene copolymer 1 7-
19 parts, 3-4 parts of alkyl phenol polyoxyethylene ether, 1.5-2.5 parts of polyethylene glycol, 4-6 parts of sepiolite powder, 0.2-0.4 parts of compatilizer, remove
0.03-0.1 parts of taste agent.
Preferably, it is made of the raw material of following parts by weight：100 parts of pitch, polyethylene-polypropylene copolymer 18
Part, 3.5 parts of alkyl phenol polyoxyethylene ether, 2 parts of polyethylene glycol, 5 parts of sepiolite powder, 0.3 part of compatilizer, 0.05 part of eliminating smell agent.
Preferably, the pitch is one kind in matrix pitch, emulsified asphalt, modified emulsifying asphalt.
Preferably, the compatilizer is modified polyacrylate.
Preferably, the eliminating smell agent is made of the raw material of following parts by weight：1 part of ground coffee, 20 parts of ethyl acetate；
What the eliminating smell agent was obtained through the following steps：Ground coffee is mixed with ethyl acetate, is heated to 80-90 DEG C, stirs 20-30
Minute, until ground coffee is largely dissolved in ethyl acetate, eliminating smell agent is obtained after natural cooling.
The beneficial effects of the invention are as follows：
The first, cold-mix asphalt mixture of the invention uses polyethylene-polypropylene copolymer as reinforcing agent, effectively
The anti-rut behavior of cold-mix asphalt mixture is improved, and adds compatilizer, makes polyethylene-polypropylene copolymer equably
It is dispersed in pitch, avoids generation segregation phenomenon；
The second, eliminating smell agent is added, eliminating smell agent can effectively mask the sharp aroma of pitch；
The curing rate of the cold-mix asphalt mixture of third, the present invention reduces the deadline of road repair compared with block.
Specific implementation mode
In order to further appreciate that the feature, technological means and the specific purposes reached, function of the present invention, tie below
Closing specific implementation mode, the present invention is described in further detail.
Embodiment 1
A kind of cold-mix asphalt mixture, is made of the raw material of following parts by weight：100 parts of emulsified asphalt, polyethylene-polypropylene
5 parts of copolymer 1,1 part of polyethylene glycol, 8 parts of sepiolite powder, 0.1 part of modified polyacrylate, removes 5 parts of alkyl phenol polyoxyethylene ether
0.5 part of taste agent.
Eliminating smell agent is made of the raw material of following parts by weight：1 part of ground coffee, 20 parts of ethyl acetate.
The preparation method of the cold-mix asphalt mixture of the present embodiment includes the following steps：
Step 1：Ground coffee is placed in ethyl acetate in reaction vessel and is mixed, is heated to 80-90 DEG C, 20-30 points of stirring
Clock obtains eliminating smell agent until ground coffee is largely dissolved in ethyl acetate after natural cooling；
Step 2：Emulsified asphalt, polyethylene-polypropylene copolymer, modified polyacrylate are added in production tank,
It is stirred 30-45 minutes at 170-195 DEG C, until polyethylene-polypropylene copolymer is dispersed in emulsified asphalt；
Step 3：Alkyl phenol polyoxyethylene ether, polyethylene glycol, sepiolite powder are continuously added into the production tank of step 2,
Stirring development 60-90 minutes, are cooled to room temperature at 150-170 DEG C；
Step 4：Step 3 material body after cooling is passed through in colloid mill, is slowly added to eliminating smell agent in grinding, after the completion
It can be obtained cold-mix asphalt mixture.
Embodiment 2
A kind of cold-mix asphalt mixture, is made of the raw material of following parts by weight：100 parts of emulsified asphalt, polyethylene-polypropylene
7 parts of copolymer 1,2 parts of polyethylene glycol, 6 parts of sepiolite powder, 0.2 part of modified polyacrylate, removes 3 parts of alkyl phenol polyoxyethylene ether
0.2 part of taste agent.
Eliminating smell agent is made of the raw material of following parts by weight：1 part of ground coffee, 20 parts of ethyl acetate.
The preparation method of the cold-mix asphalt mixture of the present embodiment includes the following steps：
Step 1：Ground coffee is placed in ethyl acetate in reaction vessel and is mixed, is heated to 80-90 DEG C, 20-30 points of stirring
Clock obtains eliminating smell agent until ground coffee is largely dissolved in ethyl acetate after natural cooling；
Step 2：Emulsified asphalt, polyethylene-polypropylene copolymer, modified polyacrylate are added in production tank,
It is stirred 30-45 minutes at 170-195 DEG C, until polyethylene-polypropylene copolymer is dispersed in emulsified asphalt；
Step 3：Alkyl phenol polyoxyethylene ether, polyethylene glycol, sepiolite powder are continuously added into the production tank of step 2,
Stirring development 60-90 minutes, are cooled to room temperature at 150-170 DEG C；
Step 4：Step 3 material body after cooling is passed through in colloid mill, is slowly added to eliminating smell agent in grinding, after the completion
It can be obtained cold-mix asphalt mixture.
Embodiment 3
A kind of cold-mix asphalt mixture, is made of the raw material of following parts by weight：100 parts of emulsified asphalt, polyethylene-polypropylene
20 parts of copolymer 1,2 parts of alkyl phenol polyoxyethylene ether, 3 parts of polyethylene glycol, 2 parts of sepiolite powder, 0.5 part of modified polyacrylate,
0.01 part of eliminating smell agent.
Eliminating smell agent is made of the raw material of following parts by weight：1 part of ground coffee, 20 parts of ethyl acetate.
The preparation method of the cold-mix asphalt mixture of the present embodiment includes the following steps：
Step 1：Ground coffee is placed in ethyl acetate in reaction vessel and is mixed, is heated to 80-90 DEG C, 20-30 points of stirring
Clock obtains eliminating smell agent until ground coffee is largely dissolved in ethyl acetate after natural cooling；
Step 2：Emulsified asphalt, polyethylene-polypropylene copolymer, modified polyacrylate are added in production tank,
It is stirred 30-45 minutes at 170-195 DEG C, until polyethylene-polypropylene copolymer is dispersed in emulsified asphalt；
Step 3：Alkyl phenol polyoxyethylene ether, polyethylene glycol, sepiolite powder are continuously added into the production tank of step 2,
Stirring development 60-90 minutes, are cooled to room temperature at 150-170 DEG C；
Step 4：Step 3 material body after cooling is passed through in colloid mill, is slowly added to eliminating smell agent in grinding, after the completion
It can be obtained cold-mix asphalt mixture.
The cold-mix asphalt mixture that above-described embodiment 1-3 is obtained carries out dynamic stability test, the track that this test uses
Board size is 300mm × 300mm × 50mm, tests rolling instrument and Measuring Device uses HLR-3 type asphalt rolling molding machines
With the dual-purpose wheel rutting test machine in HLR-3 type asphalts water route, it is 40 times/min that round-trip rolling speed is taken turns in experiment, and test temperature is
60 DEG C, obtained data record such as the following table 1.
The cold-mix asphalt mixture that 1 embodiment 1-3 of table is obtained carries out dynamic stability test result
The data obtained by upper table 1 can be seen that the dynamic stability test result of the cold-mix asphalt mixture of embodiment 1-3 is equal
More than 5500 times/mm, most the superior can reach 6200 times/mm or more and be born when cold-mix asphalt mixture often generates 1mm deformations
The walking number of standard axle load is more, illustrates that its anti-rut behavior is preferable.
3 kinds of embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Can the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of cold-mix asphalt mixture, which is characterized in that be made of the raw material of following parts by weight：100 parts of pitch, polyethylene-
15-20 parts of polypropylene copolymer, 2-5 parts of alkyl phenol polyoxyethylene ether, 1-3 parts of polyethylene glycol, 2-8 parts of sepiolite powder, compatilizer
0.1-0.5 parts, 0.01-0.5 parts of eliminating smell agent.
2. a kind of cold-mix asphalt mixture according to claim 1, which is characterized in that by the raw material system of following parts by weight
At：100 parts of pitch, 7-19 parts of polyethylene-polypropylene copolymer 1,3-4 parts of alkyl phenol polyoxyethylene ether, polyethylene glycol 1.5-2.5
Part, 4-6 parts of sepiolite powder, 0.2-0.4 parts of compatilizer, 0.03-0.1 parts of eliminating smell agent.
3. a kind of cold-mix asphalt mixture according to claim 1, which is characterized in that by the raw material system of following parts by weight
At：100 parts of pitch, 8 parts of polyethylene-polypropylene copolymer 1,3.5 parts of alkyl phenol polyoxyethylene ether, 2 parts of polyethylene glycol, sepiolite
5 parts of powder, 0.3 part of compatilizer, 0.05 part of eliminating smell agent.
4. a kind of cold-mix asphalt mixture according to claim 1,2 or 3, which is characterized in that the pitch drips for matrix
One kind in blueness, emulsified asphalt, modified emulsifying asphalt.
5. a kind of cold-mix asphalt mixture according to claim 1,2 or 3, which is characterized in that the compatilizer is to be modified
Polyacrylate.
6. a kind of cold-mix asphalt mixture according to claim 1,2 or 3, which is characterized in that the eliminating smell agent is by following
The raw material of parts by weight is made：1 part of ground coffee, 20 parts of ethyl acetate；What the eliminating smell agent was obtained through the following steps：By coffee
Powder is mixed with ethyl acetate, is heated to 80-90 DEG C, is stirred 20-30 minutes, until ground coffee is largely dissolved in ethyl acetate
In, eliminating smell agent is obtained after natural cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401337.1A CN108795068A (en) | 2018-04-28 | 2018-04-28 | A kind of cold-mix asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401337.1A CN108795068A (en) | 2018-04-28 | 2018-04-28 | A kind of cold-mix asphalt mixture |
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| Publication Number | Publication Date |
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| CN108795068A true CN108795068A (en) | 2018-11-13 |
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| CN201810401337.1A Pending CN108795068A (en) | 2018-04-28 | 2018-04-28 | A kind of cold-mix asphalt mixture |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827484A (en) * | 2012-08-23 | 2012-12-19 | 长安大学 | Warm mixing additive of asphalt mixture, preparation method and application method thereof |
| CN102977618A (en) * | 2012-12-06 | 2013-03-20 | 东莞泰和沥青产品有限公司 | High-strength low-viscosity modified asphalt and processing process |
| CN103058564A (en) * | 2012-12-21 | 2013-04-24 | 东莞泰和沥青产品有限公司 | Asphalt warm-mixing agent |
| CN103073231A (en) * | 2012-12-21 | 2013-05-01 | 东莞泰和沥青产品有限公司 | Anti-rut oil-proof asphalt mixture and processing technology thereof |
| CN103087538A (en) * | 2012-12-21 | 2013-05-08 | 东莞泰和沥青产品有限公司 | Warm-mix environment-friendly asphalt and processing technique thereof |
-
2018
- 2018-04-28 CN CN201810401337.1A patent/CN108795068A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827484A (en) * | 2012-08-23 | 2012-12-19 | 长安大学 | Warm mixing additive of asphalt mixture, preparation method and application method thereof |
| CN102977618A (en) * | 2012-12-06 | 2013-03-20 | 东莞泰和沥青产品有限公司 | High-strength low-viscosity modified asphalt and processing process |
| CN103058564A (en) * | 2012-12-21 | 2013-04-24 | 东莞泰和沥青产品有限公司 | Asphalt warm-mixing agent |
| CN103073231A (en) * | 2012-12-21 | 2013-05-01 | 东莞泰和沥青产品有限公司 | Anti-rut oil-proof asphalt mixture and processing technology thereof |
| CN103087538A (en) * | 2012-12-21 | 2013-05-08 | 东莞泰和沥青产品有限公司 | Warm-mix environment-friendly asphalt and processing technique thereof |
Non-Patent Citations (3)
| Title |
|---|
| 林建好等: "《土木工程材料 第2版》", 31 August 2017, 哈尔滨工程大学出版社 * |
| 罗河胜: "《塑料工艺与实用配方》", 31 January 2005, 广东科技出版社 * |
| 金天明: "《低碳生活知识》", 30 June 2013, 中国民主法制出版社 * |
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Address after: 523981 No.5, Shihua Third Road, Shatian Town, Dongguan City, Guangdong Province Applicant after: Guangdong Chengtai Investment Group Co., Ltd Address before: 523981 Guangdong province Dongguan city Sha Tin Town of Humen port three road Milton Petrochemical Fine Chemical Industry Park Applicant before: GUANGDONG CHENGTAI INVESTMENT Co.,Ltd. |
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Application publication date: 20181113 |