CN114106571A - Polymer material for rapidly repairing asphalt pavement cracks and preparation method thereof - Google Patents
Polymer material for rapidly repairing asphalt pavement cracks and preparation method thereof Download PDFInfo
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- CN114106571A CN114106571A CN202111525484.8A CN202111525484A CN114106571A CN 114106571 A CN114106571 A CN 114106571A CN 202111525484 A CN202111525484 A CN 202111525484A CN 114106571 A CN114106571 A CN 114106571A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 66
- 239000002861 polymer material Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000003607 modifier Substances 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000005060 rubber Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000002745 absorbent Effects 0.000 claims abstract description 13
- 239000002250 absorbent Substances 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229920002396 Polyurea Polymers 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000011161 development Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 2
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 2
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims description 2
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 2
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical compound O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 229940014800 succinic anhydride Drugs 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical group [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008961 swelling Effects 0.000 abstract description 2
- 230000018109 developmental process Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009715 pressure infiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- -1 succinate compound Chemical class 0.000 description 1
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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
Landscapes
- 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)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a polymer material for rapidly repairing asphalt pavement cracks and a preparation method thereof, wherein the repairing material comprises the following raw materials in parts by mass: 80-96 parts of matrix asphalt, 3.5-4.5 parts of rubber, 25-30 parts of polypropylene glycol, 20-25 parts of curing agent, 10-15 parts of modifier, 10-12 parts of dispersant, 1-2 parts of catalyst, 10-40 parts of water absorbent and 4-9 parts of tackifier. According to the polymer material for rapidly repairing the asphalt pavement cracks and the preparation method thereof, the modifier is added, so that the swelling reaction of rubber and matrix asphalt can be effectively promoted, the permeation of light components in the asphalt in a rubber structure is facilitated, the compatibility of the rubber and the matrix asphalt is efficiently promoted, meanwhile, the polymer material has good high-temperature resistance and also has the high-temperature self-repairing capability, and further, the polymer material is beneficial to the tight protection of a steel bridge pavement structure layer on a lower steel bridge deck to a greater extent.
Description
Technical Field
The invention relates to the technical field of pavement crack repairing materials, in particular to a polymer material for rapidly repairing asphalt pavement cracks and a preparation method thereof.
Background
At present, the asphalt pavement is rapidly suffered from slight pavement diseases due to frequent use or aging problems, such as slight loose of the repaired pavement, slight pitted surface of the pavement, slight stripping of fine aggregates of the pavement, slight stripping of coarse aggregates of the pavement, early stage of slag removal of the pavement and the like. In addition, due to rain and snow, high temperature, overweight cargo trucks and other reasons, the road qualified in construction can also generate cracks, fractures and potholes, thereby causing potential safety hazards of driving and influencing the attractiveness of cities;
at present, joint pouring materials adopted by road surfaces mainly comprise hot asphalt, emulsified asphalt, special materials and the like. The hot asphalt crack pouring material has the defects of high temperature sensitivity, high energy consumption in the using process, insufficient cohesive force, long pavement sealing time and the like; the emulsified asphalt crack pouring material has the defects of poor bonding property, low initial strength, slow open traffic and the like; the special material crack pouring material has the defects of too high viscosity, difficulty in fully penetrating into cracks, high requirement on construction conditions, time consumption, high cost and the like. Therefore, we improve the problem and provide a polymer material for rapidly repairing the cracks of the asphalt pavement and a preparation method thereof.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a polymer material for rapidly repairing asphalt pavement cracks, which comprises the following raw materials in parts by mass: 80-96 parts of matrix asphalt, 3.5-4.5 parts of rubber, 25-30 parts of polypropylene glycol, 20-25 parts of curing agent, 10-15 parts of modifier, 10-12 parts of dispersant, 1-2 parts of catalyst, 10-40 parts of water absorbent and 4-9 parts of tackifier.
As a preferable technical scheme of the invention, the curing agent is one of phthalic anhydride, oxalic acid, citric acid hydrate, sebacic acid, glutaric anhydride, glutaric acid, suberic acid, succinic anhydride and methyl tetrahydrophthalic anhydride.
According to a preferable technical scheme of the invention, the tackifier is methyl cellulose, the stabilizer is polyvinyl alcohol, and the catalyst is dibutyltin dilaurate, A33 or a polymer of two or three of organic bismuth.
As a preferable technical scheme of the invention, the rubber is styrene butadiene rubber, the dispersing agent is a succinate compound, and the water absorbent is iron powder.
A preparation method of a polymer material for rapidly repairing asphalt pavement cracks comprises the following steps:
the method comprises the following steps: heating the matrix asphalt to enable the matrix asphalt to be in a liquid state, adding rubber, a modifier, a curing agent and a dispersing agent into the liquid matrix asphalt, and uniformly mixing to obtain a polymer A;
step two: adding a catalyst and a water absorbent into polypropylene glycol, and uniformly mixing the raw materials to obtain a polymer B;
step three: and mixing and reacting the polymer A and the polymer B by using special polyurea equipment to obtain a finished product.
As a preferable technical scheme of the invention, the modifier is epoxy resin, the mixing amount of the modifier is 13% of the mass of the asphalt, and the mixing amount of the modifier is 25% of the mass of the asphalt during long-term storage.
As a preferable technical scheme of the invention, in the step one, the components are uniformly mixed at the temperature of 15-50 ℃.
In the second step, when the polymer B is used, nitrogen is filled, the polymer B is stored in a sealed manner and is stored in a dry place to prevent air from being humidified, and the product polluted by water is not stored to prevent harmful reaction.
In the third step, the development temperature in the special polyurea equipment is raised to 60 ℃ for development.
As a preferable technical scheme of the invention, when the finished product in the third step is used, the temperature needs to be heated to 15-20 ℃ under the condition that the ambient temperature is too low.
The invention has the beneficial effects that:
1. according to the polymer material for rapidly repairing the asphalt pavement cracks and the preparation method thereof, the modifier is added, so that the swelling reaction of rubber and matrix asphalt can be effectively promoted, the permeation of light components in the asphalt in a rubber structure is facilitated, the compatibility of the rubber and the matrix asphalt is efficiently promoted, the polymer material also has good high-temperature resistance and the capability of high-temperature self-repairing is endowed, the close protection of a steel bridge pavement structure layer on a lower layer steel bridge deck is further facilitated to a greater extent, the manpower and capital invested in daily maintenance and repair are reduced, and the service life of the steel bridge deck is greatly prolonged;
2. according to the polymer material for rapidly repairing the asphalt pavement cracks and the preparation method thereof, epoxy resin is used as a modifier, so that the advantages of the polymer material such as expansibility, viscosity and elasticity are increased, the structure of the polymer material is intertwined with a prefabricated body, the curing is further accelerated, the rapid repair of the pavement is promoted, the pavement repairing effect is good, the polymer material is suitable for repairing various pavement repairing pits, the repairing effect is good, the bearing capacity is high, the probability of the asphalt pavement cracking again is low, and the rapid repair and operation requirements of the asphalt pavement cracks can be completely met;
3. according to the polymer material for rapidly repairing the asphalt pavement cracks and the preparation method thereof, polypropylene glycol is added, so that the requirement of pavement layer parameter indexes is met, the lower site construction temperature can be used, and the emission of irritant gases in the construction process is effectively inhibited.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of a preparation method of the polymer material for rapidly repairing asphalt pavement cracks.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
The invention relates to a polymer material for rapidly repairing asphalt pavement cracks, which comprises the following raw materials in parts by mass: 80 parts of matrix asphalt, 3.5 parts of rubber, 25 parts of polypropylene glycol, 20 parts of curing agent, 10 parts of modifier, 10 parts of dispersant, 1 part of catalyst, 10 parts of water absorbent and 4 parts of tackifier.
As shown in fig. 1, a preparation method of a polymer material for rapidly repairing cracks of an asphalt pavement comprises the following steps:
the method comprises the following steps: heating the matrix asphalt to enable the matrix asphalt to be in a liquid state, adding rubber, a modifier, a curing agent and a dispersing agent into the liquid matrix asphalt, and uniformly mixing to obtain a polymer A;
step two: adding a catalyst and a water absorbent into polypropylene glycol, and uniformly mixing to obtain a polymer B;
step three: and mixing and reacting the polymer A and the polymer B by using special polyurea equipment to obtain a finished product.
Wherein, in the step one, the mixture is evenly mixed at the temperature of 15 ℃, in the step two, when the polymer B is used, nitrogen is filled for sealing and storing, and in the step three, the temperature in special equipment for polyurea is increased to 60 ℃ for development.
Example 2
The invention relates to a polymer material for rapidly repairing asphalt pavement cracks, which comprises the following raw materials in parts by mass: 88 parts of matrix asphalt, 4 parts of rubber, 27 parts of polypropylene glycol, 23 parts of curing agent, 12 parts of modifier, 11 parts of dispersant, 2 parts of catalyst, 30 parts of water absorbent and 6 parts of tackifier.
As shown in fig. 1, a preparation method of a polymer material for rapidly repairing cracks of an asphalt pavement comprises the following steps:
the method comprises the following steps: heating the matrix asphalt to enable the matrix asphalt to be in a liquid state, adding rubber, a modifier, a curing agent and a dispersing agent into the liquid matrix asphalt, and uniformly mixing to obtain a polymer A;
step two: adding a catalyst and a water absorbent into polypropylene glycol, and uniformly mixing the raw materials to obtain a polymer B;
step three: and mixing and reacting the polymer A and the polymer B by using special polyurea equipment to obtain a finished product.
Wherein, in the step one, the mixture is evenly mixed at the temperature of 20 ℃, in the step two, when the polymer B is used, nitrogen is filled for sealing and storing, and in the step three, the development temperature in special equipment for polyurea is increased to 60 ℃ for development.
Example 3
The invention relates to a polymer material for rapidly repairing asphalt pavement cracks, which comprises the following raw materials in parts by mass: 96 parts of matrix asphalt, 4.5 parts of rubber, 30 parts of polypropylene glycol, 25 parts of curing agent, 15 parts of modifier, 12 parts of dispersant, 2 parts of catalyst, 40 parts of water absorbent and 9 parts of tackifier.
As shown in fig. 1, a preparation method of a polymer material for rapidly repairing cracks of an asphalt pavement comprises the following steps:
the method comprises the following steps: heating the matrix asphalt to enable the matrix asphalt to be in a liquid state, adding rubber, a modifier, a curing agent and a dispersing agent into the liquid matrix asphalt, and uniformly mixing to obtain a polymer A;
step two: adding a catalyst and a water absorbent into polypropylene glycol, and uniformly mixing to obtain a polymer B;
step three: and mixing and reacting the polymer A and the polymer B by using special polyurea equipment to obtain a finished product.
Wherein, in the first step, the mixture is evenly mixed at the temperature of 25 ℃, in the second step, when the polymer B is used, nitrogen is filled for sealing and storing, and in the third step, the development temperature in the special equipment for polyurea is increased to 60 ℃ for development.
With the finished product of the production of the above-mentioned three group embodiments, the use is on the artificial crack that adopts the stabilizer to make, and adopt high pressure infiltration, high temperature and microthermal experiment processing, under the lower condition of external temperature in winter, need not the heating, just can make the crackle through illumination, the defect department takes place to restore, reach the healing function, repair efficiency will increase substantially, can realize fine solidification in 10 minutes, the rut is experimental excellent, 7 days compressive strength is high, through having increased polypropylene glycol, pavement layer parameter index requirement has been ensured on the one hand, on the other hand can use lower site operation temperature, effectively restrained the gigging gaseous diffusion of work progress simultaneously.
The results of the physical properties before and after curing of the three groups of examples are shown in tables 1 and 2:
physical Properties of the materials before curing Table 1
Physical Properties of cured Material Table 2
Finally, it should be noted that in the implementation of the above embodiments:
1. before grouting: checking pipelines of grouting equipment to avoid pipeline blockage, trying to strike a grouting muzzle mixer for inspection, observing whether the grouting muzzle mixer is uniformly mixed, paying attention to the phenomenon of non-curing or non-complete curing, and checking whether the pipelines are blocked or the mixer fails;
2. grouting: and (3) observing the pressure of grouting equipment, stopping grouting immediately when the back pressure phenomenon occurs, preventing the gun mouth from being blocked by material gel, and adjusting the proportion of grouting materials and the mixing reaction time according to the temperature of the actual construction site.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The polymer material for rapidly repairing the asphalt pavement cracks is characterized by comprising the following raw materials in parts by mass: 80-96 parts of matrix asphalt, 3.5-4.5 parts of rubber, 25-30 parts of polypropylene glycol, 20-25 parts of curing agent, 10-15 parts of modifier, 10-12 parts of dispersant, 1-2 parts of catalyst, 10-40 parts of water absorbent and 4-9 parts of tackifier.
2. The polymer material for rapidly repairing cracks of asphalt pavement according to claim 1, wherein the curing agent is one of phthalic anhydride, oxalic acid, citric acid hydrate, sebacic acid, glutaric anhydride, glutaric acid, suberic acid, succinic anhydride and methyl tetrahydrophthalic anhydride.
3. The polymer material for rapidly repairing the cracks of the asphalt pavement as claimed in claim 1, wherein the tackifier is methyl cellulose, the stabilizer is polyvinyl alcohol, and the catalyst is dibutyltin dilaurate, A33 or a polymer of two or three of organic bismuth.
4. The polymer material for rapidly repairing asphalt pavement cracks as claimed in claim 1, wherein styrene butadiene rubber is adopted as the rubber, the dispersant is a succinate-based compound, and the water absorbent is iron powder.
5. A preparation method of the polymer material for rapidly repairing the asphalt pavement cracks as set forth in any one of claims 1 to 4, characterized by comprising the following steps:
the method comprises the following steps: heating the matrix asphalt to enable the matrix asphalt to be in a liquid state, adding rubber, a modifier, a curing agent and a dispersing agent into the liquid matrix asphalt, and uniformly mixing to obtain a polymer A;
step two: adding a catalyst and a water absorbent into polypropylene glycol, and uniformly mixing the raw materials to obtain a polymer B;
step three: and mixing and reacting the polymer A and the polymer B by using special polyurea equipment to obtain a finished product.
6. The method for preparing the polymer material for rapidly repairing the asphalt pavement cracks as claimed in claim 5, wherein the modifier is epoxy resin, the mixing amount of the modifier is 13% of the mass of the asphalt, and the mixing amount of the modifier is 25% of the mass of the asphalt during long-term storage.
7. The preparation method of the polymer material for rapidly repairing the cracks of the asphalt pavement according to claim 5, wherein in the first step, the polymer material is uniformly mixed at a temperature of 15-50 ℃.
8. The method for preparing a polymer material for rapidly repairing cracks on asphalt pavement according to claim 5, wherein in the second step, when the polymer B is used, nitrogen is filled, the polymer B is hermetically stored, the polymer B is stored in a dry place to prevent air from being humidified, and the product polluted by water is not stored to prevent harmful reactions from occurring, and when the polymer A is used, the polymer B is prevented from being humidified, is stored in a dry place to prevent long-term heating and exposure to air.
9. The method for preparing the polymer material for rapidly repairing the cracks of the asphalt pavement according to the claim 5, wherein in the third step, the development temperature in the special polyurea equipment is increased to 60 ℃ for development.
10. The method for preparing the polymer material for rapidly repairing the cracks of the asphalt pavement according to claim 5, wherein when the finished product in the third step is used, the temperature is required to be heated to 15-20 ℃ under the condition that the ambient temperature is too low.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111525484.8A CN114106571A (en) | 2021-12-14 | 2021-12-14 | Polymer material for rapidly repairing asphalt pavement cracks and preparation method thereof |
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| CN202111525484.8A CN114106571A (en) | 2021-12-14 | 2021-12-14 | Polymer material for rapidly repairing asphalt pavement cracks and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115029011A (en) * | 2022-07-28 | 2022-09-09 | 浙江省交通运输科学研究院 | Epoxy asphalt steel bridge deck pavement pit repairing material and application thereof |
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2021
- 2021-12-14 CN CN202111525484.8A patent/CN114106571A/en active Pending
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| CN101885832A (en) * | 2010-07-12 | 2010-11-17 | 中科院广州化灌工程有限公司 | Preparation and application of latent nonionic self-emulsifying epoxy curing agent |
| CN109401519A (en) * | 2018-12-14 | 2019-03-01 | 大连理工大学 | A kind of bituminous pavement repair materials |
| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115029011A (en) * | 2022-07-28 | 2022-09-09 | 浙江省交通运输科学研究院 | Epoxy asphalt steel bridge deck pavement pit repairing material and application thereof |
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Application publication date: 20220301 |