CN108219489A - A kind of asphalt pavement conserving patching material and preparation method thereof - Google Patents
A kind of asphalt pavement conserving patching material and preparation method thereof Download PDFInfo
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- CN108219489A CN108219489A CN201810015468.6A CN201810015468A CN108219489A CN 108219489 A CN108219489 A CN 108219489A CN 201810015468 A CN201810015468 A CN 201810015468A CN 108219489 A CN108219489 A CN 108219489A
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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
- C08L95/005—Aqueous compositions, e.g. emulsions
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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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Abstract
The invention discloses a kind of asphalt pavement conserving patching material and preparation method thereof, including following component in parts by weight：100 120 parts of emulsified asphalt, 15 30 parts of aqueous epoxy emulsion, 24 parts of diesel oil, 12 15 parts of anti-rut agent, 10 12 parts of antistripping agent, 5 10 parts of rubber powder, 58 parts of calcium carbonate, 50 60 parts of methyl trichlorosilane, 20 30 parts of absolute methanol, 10 20 parts of petroleum ether, 6 10 parts of sodium methoxide.The diesel oil added in the present invention can increase the mobility of the patching material before molding, what the addition of rubber powder and calcium carbonate made repairs just old flexibility enhancing, it is convenient to be brought when being repaired for staff, it is of low cost simultaneously, it is greatly improved with the adhesiveness, shearing strength, bond strength between layers gathered materials after the curing of asphalt pavement conserving patching material, prolong the service life, alleviate asphalt pavement conserving repairing pressure.
Description
Technical field
The present invention relates to road project technical field more particularly to a kind of asphalt pavement conserving patching material and its systems
Preparation Method.
Background technology
With the extension of validity period, highway in China largely enters maintenance period, highway in China total kilometrage in 2015
It it is 457.7 ten thousand kilometers, maintenance mileage accounts for total mileage 97.6% up to 446.6 ten thousand kilometers.Bituminous paving is most main as highway in China
Form of mating formation becomes the emphasis to work for highway maintenance, and the bituminous paving built in early days is being driven a vehicle with the increase of service life
Under load and various effect of natural environment, due to ageing of asphalt, vehicular traffic heavy duty overload, the volume of traffic increased dramatically, maintenance is tieed up
Repair a series of reasons such as not in time occur track, pit slot, it is loose peel off, the diseases such as cracking, the comfort level that causes to drive a vehicle reduces, row
Vehicle speed declines, and damages axle, increases oil consumption and abrasion, affects road operation and traffic safety.Strengthen to bituminous paving
Maintenance is with the research of repairing technique and how to keep the performance of bituminous paving and extends the service life of bituminous paving,
It has become as hot spot of concern.
Through retrieval, Chinese patent application publication No. CN107083071A discloses a kind of room temperature asphalt pavement conserving repairing material
Material and preparation method thereof, is made of the component of following mass fraction meter：In cation/100 parts of slow-breaking emulsified asphalt, non-ionic
3~20 parts of aqueous epoxy emulsion, 1.2~12 parts of room temperature water soluble modified amine curing agent；The non-ion aqueous epoxy emulsion
It is made of the component of following mass fraction meter：10~30 parts of nonionic emulsifier, 100 parts of bisphenol A epoxide resin；It is described it is non-from
Subtype emulsifier is made of poly-blended object, the initiator of bisphenol A epoxide resin, different molecular weight polyethylene glycol, wherein, bis-phenol
A epoxy resin and the molar ratio of the poly-blended object of different molecular weight polyethylene glycol are 1 ︰ 0.6~1.25, and the initiator was
Sulfate, dosage are the 0.1%~0.3% of both bisphenol A epoxide resin and multicomponent mixture gross mass.The maintenance of surface
Patching material all technical is superior to common emulsified asphalt.
The deficiency of existing bituminous pavement repairing material：Its temperature resistance dynamics, shearing strength, bond strength between layers effect compared with
Difference is also easy to produce cracking when vehicle rolls in winter, so as to reduce the service life of patching material, increase pavement patching personnel
Workload.
Invention content
The purpose of the present invention is to provide a kind of asphalt pavement conserving patching materials and preparation method thereof, have bituminous paving
It is greatly improved with the adhesiveness, shearing strength, bond strength between layers gathered materials after maintenance patching material curing, extends and use
Service life alleviates the advantages of asphalt pavement conserving repairs pressure, when solving winter vehicle rolled asphalt maintenance of surface patching material
Cracking is also easy to produce, the problem of so as to reduce the service life of patching material, increase the workload of pavement patching personnel.
A kind of asphalt pavement conserving patching material according to embodiments of the present invention, including in parts by weight such as the following group
Part：100-120 parts of emulsified asphalt, 15-30 parts of aqueous epoxy emulsion, 2-4 parts of diesel oil, 12-15 parts of anti-rut agent, antistripping agent
10-12 parts, 5-10 parts of rubber powder, 5-8 parts of calcium carbonate, 50-60 parts of methyl trichlorosilane, 20-30 parts of absolute methanol, petroleum ether
10-20 parts, 6-10 parts of sodium methoxide.
On the basis of said program, 2-4 parts of thickener is further included.
On the basis of said program, 3-6 parts of antifreezing agent is further included.
On the basis of said program, the antifreezing agent is dimethyl sulfoxide (DMSO), one kind in urea, thiocarbamide.
On the basis of said program, the aqueous epoxy emulsion is made of the component of following mass fraction meter：Epoxy resin
20-50 parts, 20-30 parts of emulsifier, the emulsifier are one kind in polyethylene oxide alkyl ethers and polyoxyalkyl ester.
On the basis of said program, the rubber powder, calcium carbonate grain size be 500-550 μm.
On the basis of said program, the sodium methoxide selects the saturation sodium methoxide for a concentration of 27-30%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 500-550 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop in 6.5-7, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 60-65 DEG C
3-5h is operated by centrifugation under environment, rotating speed is 180-200 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 50-60min mixing, then with S3 obtained by
Curing solution mixing, uniformly to get asphalt pavement conserving patching material.
The present invention has an advantageous effect in that compared with prior art：
1st, anti-rut agent is blended in asphalt pavement conserving patching material, is increased to the non-deformability of summer high-temperature
4.36kN, is not in the track generated after traction engine passes through, the antistripping agent mixed outside, improves the adhesion strength of pitch and building stones
2.8kN is not in loose, and water resistant evil ability is strong, and construction workability is good, has and is more not in into the caking phenomenon that sticks together, antifreezing agent
Use enhance its low temperature resistance, can be in subzero 30 degree constructions, the defects of compensating for hot-patch material winter can not construct；
2nd, curing solution is added to using methyl trichlorosilane, petroleum ether in reaction vessel, is passed through drying nitrogen, is used nitrogen
Bubbling replaces stirring, and methanol, which is at the uniform velocity added dropwise, under room temperature is reacted, and the use of nitrogen avoids outside air and solution reaction, and
And made curing solution stability is strong, while the hardness of patching material itself can be made to be up to 9kN so that repair paint more resistant to
It rolls；
3rd, the diesel oil of addition can increase the mobility of the patching material before molding, and what the addition of rubber powder and calcium carbonate made repaiies
Just old flexibility enhancing is mended, to bring convenient while of low cost, asphalt pavement conserving patching material during staff's repairing
It is greatly improved, prolongs the service life with the adhesiveness, shearing strength, bond strength between layers gathered materials after curing, alleviate drip
Green maintenance of surface repairs pressure.
Specific embodiment
For that can further appreciate that feature, technological means and the concrete function reached of the present invention, below with specific implementation
Mode is described in further detail the present invention.
Embodiment 1
A kind of asphalt pavement conserving patching material is present embodiments provided, including following component in parts by weight：Breast
Change 100 parts of pitch, 15 parts of aqueous epoxy emulsion, 2 parts of diesel oil, 12 parts of anti-rut agent, 10 parts of antistripping agent, 5 parts of rubber powder, carbonic acid
5 parts of calcium, 50 parts of methyl trichlorosilane, 20 parts of absolute methanol, 10 parts of petroleum ether, 6 parts of sodium methoxide, 2 parts of thickener, antifreezing agent 3
Part.
Antifreezing agent is dimethyl sulfoxide (DMSO).
Aqueous epoxy emulsion is made of the component of following mass fraction meter：20 parts of epoxy resin, 20 parts of emulsifier, emulsifier
For polyethylene oxide alkyl ethers.
Rubber powder, calcium carbonate grain size be 500 μm.
Sodium methoxide selects the saturation sodium methoxide for a concentration of 27%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 500 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop at 6.5, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 60 DEG C of ring
3h is operated by centrifugation under border, rotating speed is 180 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 50min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
Embodiment 2
A kind of asphalt pavement conserving patching material is present embodiments provided, including following component in parts by weight：Breast
Change 105 parts of pitch, 20 parts of aqueous epoxy emulsion, 3 parts of diesel oil, 12 parts of anti-rut agent, 11 parts of antistripping agent, 6 parts of rubber powder, carbonic acid
5 parts of calcium, 52 parts of methyl trichlorosilane, 22 parts of absolute methanol, 10 parts of petroleum ether, 6 parts of sodium methoxide, 2 parts of thickener, antifreezing agent 3
Part.
Antifreezing agent is urea.
Aqueous epoxy emulsion is made of the component of following mass fraction meter：20 parts of epoxy resin, 22 parts of emulsifier, emulsifier
For polyoxyalkyl ester.
Rubber powder, calcium carbonate grain size be 510 μm.
Sodium methoxide selects the saturation sodium methoxide for a concentration of 28%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 510 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop at 6.5, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 60 DEG C of ring
4h is operated by centrifugation under border, rotating speed is 185 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 52min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
Embodiment 3
A kind of asphalt pavement conserving patching material is present embodiments provided, including following component in parts by weight：Breast
Change 110 parts of pitch, 20 parts of aqueous epoxy emulsion, 3 parts of diesel oil, 14 parts of anti-rut agent, 11 parts of antistripping agent, 7 parts of rubber powder, carbonic acid
6 parts of calcium, 55 parts of methyl trichlorosilane, 25 parts of absolute methanol, 15 parts of petroleum ether, 8 parts of sodium methoxide, 3 parts of thickener, antifreezing agent 4
Part.
Antifreezing agent is thiocarbamide.
Aqueous epoxy emulsion is made of the component of following mass fraction meter：30 parts of epoxy resin, 25 parts of emulsifier, emulsifier
For one kind in polyethylene oxide alkyl ethers and polyoxyalkyl ester.
Rubber powder, calcium carbonate grain size be 520 μm.
Sodium methoxide selects the saturation sodium methoxide for a concentration of 28%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 520 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop at 7, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 63 DEG C of ring
4h is operated by centrifugation under border, rotating speed is 190 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 55min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
Embodiment 4
A kind of asphalt pavement conserving patching material is present embodiments provided, including following component in parts by weight：Breast
Change 115 parts of pitch, 25 parts of aqueous epoxy emulsion, 4 parts of diesel oil, 14 parts of anti-rut agent, 11 parts of antistripping agent, 8 parts of rubber powder, carbonic acid
7 parts of calcium, 58 parts of methyl trichlorosilane, 27 parts of absolute methanol, 18 parts of petroleum ether, 8 parts of sodium methoxide, 4 parts of thickener, antifreezing agent 5
Part.
Antifreezing agent is dimethyl sulfoxide (DMSO).
Aqueous epoxy emulsion is made of the component of following mass fraction meter：45 parts of epoxy resin, 25 parts of emulsifier, emulsifier
For polyoxyalkyl ester.
Rubber powder, calcium carbonate grain size be 540 μm.
Sodium methoxide selects the saturation sodium methoxide for a concentration of 30%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 540 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop at 7, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 65 DEG C of ring
5h is operated by centrifugation under border, rotating speed is 195 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 55min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
Embodiment 5
A kind of asphalt pavement conserving patching material is present embodiments provided, including following component in parts by weight：Breast
Change 120 parts of pitch, 30 parts of aqueous epoxy emulsion, 4 parts of diesel oil, 15 parts of anti-rut agent, 12 parts of antistripping agent, 10 parts of rubber powder, carbon
Sour 8 parts of calcium, 60 parts of methyl trichlorosilane, 30 parts of absolute methanol, 20 parts of petroleum ether, 10 parts of sodium methoxide, 4 parts of thickener, antifreezing agent
6 parts.
Antifreezing agent is thiocarbamide.
Aqueous epoxy emulsion is made of the component of following mass fraction meter：50 parts of epoxy resin, 30 parts of emulsifier, emulsifier
For polyethylene oxide alkyl ethers.
Rubber powder, calcium carbonate grain size be 550 μm.
Sodium methoxide selects the saturation sodium methoxide for a concentration of 30%.
A kind of preparation method of asphalt pavement conserving patching material, specifically includes following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, are ground by grinder,
Rubber powder, the calcium carbonate that screening grain size is 550 μm are carried out by sieves again, placed spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by first
Base trichlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, replace stirring with nitrogen bubbling, under room temperature at the uniform velocity
Methanol is added dropwise to be reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, control distillation
When pH value stop at 7, obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 65 DEG C of ring
5h is operated by centrifugation under border, rotating speed is 200 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：At room temperature by mixing obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1
Material is added in in the colas obtained in S4, and is passed through machinery and be stirred continuously 60min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
Experimental example
A kind of performance parameter of asphalt pavement conserving patching material in the above embodiments 1-5 is compared,
Comparing result is as follows：
It can be gone out by upper table, the stability of the asphalt pavement conserving patching material made by the present invention is (with being molded before molding
Afterwards), shearing strength, bond strength between layers obtain larger improvement, and adaptive temperature range is wider, and anti-rolling power is stronger,
Alleviate asphalt pavement conserving repairing pressure, reduce the workload of pavement patching personnel.
Part is not described in detail by the present invention, is the known technology of those skilled in the art.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of asphalt pavement conserving patching material, which is characterized in that including following component in parts by weight：Emulsified asphalt
100-120 parts, 15-30 parts of aqueous epoxy emulsion, 2-4 parts of diesel oil, 12-15 parts of anti-rut agent, 10-12 parts of antistripping agent, rubber
5-10 parts of powder, 5-8 parts of calcium carbonate, 50-60 parts of methyl trichlorosilane, 20-30 parts of absolute methanol, 10-20 parts of petroleum ether, sodium methoxide
6-10 parts.
2. a kind of asphalt pavement conserving patching material according to claim 1, it is characterised in that：Further include thickener 2-4
Part.
3. a kind of asphalt pavement conserving patching material according to claim 1, it is characterised in that：Further include antifreezing agent 3-6
Part.
4. a kind of asphalt pavement conserving patching material according to claim 3, it is characterised in that：The antifreezing agent is diformazan
One kind in base sulfoxide, urea, thiocarbamide.
5. a kind of asphalt pavement conserving patching material according to claim 1, it is characterised in that：The aqueous epoxy emulsion
It is made of the component of following mass fraction meter：20-50 parts of epoxy resin, 20-30 parts of emulsifier, the emulsifier are polyoxyethylene
One kind in allylic alkylation ether and polyoxyalkyl ester.
6. a kind of asphalt pavement conserving patching material according to claim 1, it is characterised in that：The rubber powder, carbonic acid
The grain size of calcium is 500-550 μm.
7. a kind of asphalt pavement conserving patching material according to claim 1, it is characterised in that：The sodium methoxide is selected
The saturation sodium methoxide of a concentration of 27-30%.
8. according to a kind of preparation method of asphalt pavement conserving patching material of claim 1-7 any one of them, feature exists
In specifically including following steps：
S1. the preparation of rubber powder, calcium carbonate：Corresponding rubber powder, calcium carbonate are weighed in proportion, is ground by grinder, then are led to
It crosses sieves and carries out rubber powder, calcium carbonate that screening grain size is 500-550 μm, place spare on one side；
S2. prepared by curing solution：Methyl trichlorosilane, absolute methanol, petroleum ether, sodium methoxide are weighed by weight, by methyl three
Chlorosilane, petroleum ether are added in reaction vessel, are passed through drying nitrogen, are replaced stirring with nitrogen bubbling, are at the uniform velocity added dropwise under room temperature
Methanol is reacted；
S3. curing solution cleans：Sodium methoxide will be added in completely reacted mixed liquor in S2 and distilled, when control is distilled
PH value stops in 6.5-7, has obtained curing solution；
S4. prepared by colas：Emulsified asphalt, aqueous epoxy emulsion are weighed in proportion and is mixed, and are placed in 60-65 DEG C of environment
3-5h is operated by centrifugation down, rotating speed is 180-200 revs/min, is stirring simultaneously and diesel oil is constantly added dropwise；
S5. the addition of auxiliary material：The spice obtained by anti-rut agent, antistripping agent, thickener, antifreezing agent and S1 is added at room temperature
Enter into the colas obtained in S4, and pass through machinery be stirred continuously 50-60min mixing, then with S3 obtained by consolidate
Change solution mixing, uniformly to get asphalt pavement conserving patching material.
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| CN109233312A (en) * | 2018-09-20 | 2019-01-18 | 陈琪峰 | A kind of preparation method of high-strength asphalt pavement patching material |
| CN109266027A (en) * | 2018-09-17 | 2019-01-25 | 浙江潮源新型建材股份有限公司 | Reclaimed rubber modified pitch |
| CN111363373A (en) * | 2020-04-26 | 2020-07-03 | 福建省交通科研院有限公司 | High-stability aqueous epoxy resin modified emulsified asphalt and preparation method thereof |
| CN112759941A (en) * | 2020-12-31 | 2021-05-07 | 南京朝科路桥工程技术有限公司 | Cold-mixing type epoxy asphalt material and preparation method thereof |
| CN113462174A (en) * | 2021-06-29 | 2021-10-01 | 山西工程科技职业大学 | Water-based EP modified petroleum asphalt composite material and preparation method and application thereof |
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| CN111363373A (en) * | 2020-04-26 | 2020-07-03 | 福建省交通科研院有限公司 | High-stability aqueous epoxy resin modified emulsified asphalt and preparation method thereof |
| CN112759941A (en) * | 2020-12-31 | 2021-05-07 | 南京朝科路桥工程技术有限公司 | Cold-mixing type epoxy asphalt material and preparation method thereof |
| CN113462174A (en) * | 2021-06-29 | 2021-10-01 | 山西工程科技职业大学 | Water-based EP modified petroleum asphalt composite material and preparation method and application thereof |
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Application publication date: 20180629 |