CN114751678A - High-performance low-noise asphalt pavement maintenance material and preparation method thereof - Google Patents
High-performance low-noise asphalt pavement maintenance material and preparation method thereof Download PDFInfo
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- CN114751678A CN114751678A CN202210532096.0A CN202210532096A CN114751678A CN 114751678 A CN114751678 A CN 114751678A CN 202210532096 A CN202210532096 A CN 202210532096A CN 114751678 A CN114751678 A CN 114751678A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000012423 maintenance Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 41
- 239000004917 carbon fiber Substances 0.000 claims abstract description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims abstract description 31
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 14
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910003472 fullerene Inorganic materials 0.000 claims abstract description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 13
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims abstract description 13
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004816 latex Substances 0.000 claims abstract description 9
- 229920000126 latex Polymers 0.000 claims abstract description 9
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 241000609240 Ambelania acida Species 0.000 claims description 38
- 239000010905 bagasse Substances 0.000 claims description 38
- 238000001035 drying Methods 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 238000005087 graphitization Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229940075630 samarium oxide Drugs 0.000 claims description 4
- 229910001954 samarium oxide Inorganic materials 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/386—Carbon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2682—Halogen containing polymers, e.g. PVC
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/281—Polyepoxides
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
- D01F9/17—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate from lignin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-performance low-noise asphalt pavement maintenance material and a preparation method thereof, belonging to the field of asphalt pavement maintenance materials and comprising the following components in parts by weight: 60-70 parts of asphalt, 20-30 parts of fine aggregate, 30-40 parts of coarse aggregate, 3-5 parts of samarium sesquioxide, 5-8 parts of carbon fiber, 3-5 parts of polytetrafluoroethylene, 3-5 parts of noise reduction material and 1-2 parts of neoprene latex. The carbon fibers and the polytetrafluoroethylene are used as the connecting agent, and the polytetrafluoroethylene and the carbon fibers have the characteristics of penetration, fusion and connection when being used simultaneously, so that the repaired asphalt pavement is smoother, the uneven condition at the joint can not occur, the traditional hard connecting structure of single asphalt is reformed, and meanwhile, the inorganic fullerene tungsten disulfide particles, the epoxy resin and the additive are used, so that the connectivity among aggregates is increased, and the effect of better noise is achieved.
Description
Technical Field
The invention relates to the field of asphalt pavement maintenance materials, in particular to a high-performance low-noise asphalt pavement maintenance material and a preparation method thereof.
Background
With the increasing maturity and perfection of the highway network in China, the maintenance work of the highway becomes one of the key works of the highway department, and the maintenance work of the asphalt pavement is the central importance of the maintenance work of the highway. The maintenance of the pavement should be mainly preventive maintenance and secondarily remedial maintenance, that is, maintenance should be performed before a disease or a serious disease is about to occur and does not yet occur on the pavement. In this form, a variety of highway repair and maintenance techniques such as ultra-thin finishing, recycling, crack repair, micro surfacing, etc. have been developed.
After a pot hole appears in the existing asphalt pavement, crack repairing, micro-surfacing and the like can not be used for repairing, and the pot hole needs to be excavated and maintained, but the existing maintenance part and the original asphalt pavement cannot be well combined, so that the joint is not well combined or uneven, the sound of the vehicle in the running process is large, and therefore a high-performance low-noise asphalt pavement maintenance material and a preparation method thereof need to be designed.
Disclosure of Invention
The invention aims to provide a high-performance low-noise asphalt pavement maintenance material and a preparation method thereof, and solves the technical problems mentioned in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a high-performance low-noise asphalt pavement maintenance material comprises the following components in parts by weight: 60-70 parts of asphalt, 20-30 parts of fine aggregate, 30-40 parts of coarse aggregate, 3-5 parts of samarium trioxide, 5-8 parts of carbon fiber, 3-5 parts of polytetrafluoroethylene, 3-5 parts of noise reduction material and 1-2 parts of neoprene latex.
Further, the noise reduction material comprises inorganic reinforced particles, epoxy resin and additives, wherein the inorganic fullerene tungsten disulfide particles, the epoxy resin and the additives are mixed according to a volume ratio of 1: 2: 1.
further, the additive consists of a flame retardant and a curing agent in a volume ratio of 1: 2.
Further, the asphalt is rubber asphalt.
The preparation method of the high-performance low-noise asphalt pavement maintenance material is characterized by comprising the following steps of:
step 1: mixing samarium trioxide, carbon fiber and polytetrafluoroethylene, adding the mixture into a melting furnace, continuously heating to 360 ℃, continuously stirring and uniformly mixing during heating, and keeping the temperature at 80 ℃;
step 2: adding noise reduction material, heating to 100 ℃, continuously stirring for 20 minutes during heating, and then adding neoprene latex and samarium oxide;
and step 3: and (3) melting the asphalt, adding the mixed material obtained in the step (2) into the molten asphalt, adding the fine aggregate and the coarse aggregate, and mixing and stirring to obtain the maintenance material.
Further, the carbon fibers in step 1 are bagasse-based carbon fibers, and the preparation process of the bagasse-based carbon fibers is as follows:
putting bagasse into a beaker filled with a sodium hypochlorite solution with the mass fraction of 5%, soaking for 12 hours, repeatedly filtering until the pH of the filtrate is close to neutral, putting the filtered bagasse into a drying box, and drying for 10 hours at 80 ℃;
the dried bagasse is contacted with an aqueous urea solution in a volume ratio of urea to deionized water of 1:1, soaked for 1h, the soaked bagasse is taken out, placed in a drying box, dried for 10h at 80 ℃, and repeatedly dried for 2-3 times to obtain sized bagasse;
putting the obtained sized bagasse into a vacuum tube furnace, sealing, introducing nitrogen, raising the temperature of the vacuum tube furnace to 400 ℃ at the speed of 5 ℃/min after exhausting air, and maintaining the temperature of the vacuum tube furnace for carbonization for 40min at 400 ℃;
then, the temperature of the vacuum tube furnace is increased to 1200 ℃ at the speed of 5 ℃/min, and the temperature is kept at 1200 ℃ for graphitization for 20min to obtain primary carbon fiber;
and (3) putting the primary carbon fiber into 45 wt% nitric acid water solution, soaking for 30min, taking out, putting into deionized water, rinsing for 2 times, putting the oxidized carbon fiber into a drying oven, and drying for 10h at 80 ℃ to obtain the bagasse-based carbon fiber.
Further, the noise reduction material in the step 2 comprises inorganic reinforced particles, epoxy resin and additives, and the preparation process of the inorganic reinforced particles is as follows: the inorganic fullerene type tungsten disulfide particles are put into ethanol and dispersed by an ultrasonic probe, then the mixture of the inorganic fullerene type tungsten disulfide particles and the ethanol is mixed with aluminum powder at the temperature of 80-90 ℃ with vigorous stirring until all the ethanol is evaporated, the mixture is dried in an oven at the temperature of 110-130 ℃ for 11-13 hours to obtain a primary finished product, and then a cutting machine is used for cutting to obtain the particles.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the carbon fibers and the polytetrafluoroethylene are used as the connecting agent, and the polytetrafluoroethylene and the carbon fibers have the characteristics of penetration, fusion and connection when being used simultaneously, so that the repaired asphalt pavement is smoother, the uneven condition at the joint can not occur, the traditional hard connecting structure of single asphalt is reformed, and meanwhile, the inorganic fullerene tungsten disulfide particles, the epoxy resin and the additive are used, so that the connectivity among aggregates is increased, and the effect of better noise is achieved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1:
a high-performance low-noise asphalt pavement maintenance material comprises the following components in parts by weight: 60 parts of asphalt, 20 parts of fine aggregate, 30 parts of coarse aggregate, 3 parts of samarium sesquioxide, 5 parts of carbon fiber, 3 parts of polytetrafluoroethylene, 3 parts of noise reduction material, 1 part of neoprene latex and 10 parts of water.
In the embodiment of the invention, the noise reduction material comprises inorganic reinforced particles, epoxy resin and an additive, wherein the inorganic fullerene type tungsten disulfide particles, the epoxy resin and the additive are mixed according to the volume ratio of 1: 2: 1.
in the embodiment of the invention, the additive consists of a flame retardant and a curing agent in a volume ratio of 1: 2.
In the examples of the present invention, the asphalt includes 40 parts of rubber asphalt and 20 parts of base asphalt.
The preparation method of the curing material comprises the following steps of adding the raw materials in the preparation process according to the material ratio:
step 1: samarium trioxide, carbon fiber and polytetrafluoroethylene are mixed and then added into a melting furnace to be continuously heated to 360 ℃, the mixture is continuously stirred and uniformly mixed during heating, and the temperature is kept at 80 ℃. The carbon fiber is bagasse-based carbon fiber, and the preparation process of the bagasse-based carbon fiber comprises the following steps:
putting bagasse into a beaker filled with a sodium hypochlorite solution with the mass fraction of 5%, soaking for 12 hours, then repeatedly filtering until the pH of the filtrate is close to neutral, putting the filtered bagasse into a drying box, and drying for 10 hours at 80 ℃.
And (2) contacting the dried bagasse with an aqueous urea solution with a volume ratio of urea to deionized water of 1:1, soaking for 1h, taking out the soaked bagasse, putting the bagasse into a drying oven, drying for 10h at 80 ℃, and repeatedly drying for 2-3 times to obtain the sized bagasse.
And (3) putting the obtained sized bagasse into a vacuum tube furnace, sealing, introducing nitrogen, raising the temperature of the vacuum tube furnace to 400 ℃ at the speed of 5 ℃/min after exhausting air, and maintaining the temperature of the vacuum tube furnace for carbonization for 40min at 400 ℃.
And then raising the temperature of the vacuum tube furnace to 1200 ℃ at the speed of 5 ℃/min, and maintaining the temperature of 1200 ℃ for graphitization for 20min to obtain the primary carbon fiber.
And (3) putting the primary carbon fiber into 45 wt% nitric acid water solution, soaking for 30min, taking out, putting into deionized water, rinsing for 2 times, putting the oxidized carbon fiber into a drying oven, and drying for 10h at 80 ℃ to obtain the bagasse-based carbon fiber.
Step 2: adding noise reducing material, heating to 100 deg.C, stirring for 20min, and adding neoprene latex and samarium oxide. The noise reduction material comprises inorganic reinforced particles, epoxy resin and an additive, wherein the preparation process of the inorganic reinforced particles comprises the following steps: the preparation method comprises the steps of putting inorganic fullerene type tungsten disulfide particles into ethanol, dispersing the particles by using an ultrasonic probe, mixing the particles with ethanol mixture at 80-90 ℃ with vigorous stirring with aluminum powder until all ethanol is evaporated, drying the mixture in a drying oven at 110 ℃ for 11 hours to obtain a primary finished product, and cutting the primary finished product by using a cutting machine to obtain the particles.
And step 3: and (3) melting the asphalt, adding the mixed material obtained in the step (2) into the molten asphalt, adding fine aggregate and coarse aggregate, adding a proper amount of water, and mixing and stirring to obtain the maintenance material.
Example 2:
a high-performance low-noise asphalt pavement maintenance material comprises the following components in parts by weight: 70 parts of asphalt, 30 parts of fine aggregate, 40 parts of coarse aggregate, 5 parts of samarium sesquioxide, 8 parts of carbon fiber, 5 parts of polytetrafluoroethylene, 5 parts of noise reduction material, 2 parts of neoprene latex and 20 parts of water.
In the embodiment of the invention, the noise reduction material comprises inorganic reinforced particles, epoxy resin and an additive, wherein the inorganic fullerene type tungsten disulfide particles, the epoxy resin and the additive are mixed according to the volume ratio of 1: 2: 1.
in the embodiment of the invention, the additive consists of a flame retardant and a curing agent in a volume ratio of 1: 2.
In the embodiment of the invention, the asphalt is rubber asphalt.
The preparation method of the curing material comprises the following steps that raw materials are added according to the material ratio in the preparation process.
Step 1: samarium trioxide, carbon fiber and polytetrafluoroethylene are mixed and then added into a melting furnace to be continuously heated to 360 ℃, the mixture is continuously stirred and uniformly mixed during heating, and the temperature is kept at 80 ℃. The carbon fiber is bagasse-based carbon fiber, and the preparation process of the bagasse-based carbon fiber comprises the following steps:
putting bagasse into a beaker filled with a sodium hypochlorite solution with the mass fraction of 5%, soaking for 12 hours, then repeatedly filtering until the pH of the filtrate is close to neutral, putting the filtered bagasse into a drying box, and drying for 10 hours at 80 ℃.
And (2) contacting the dried bagasse with an aqueous urea solution with a volume ratio of urea to deionized water of 1:1, soaking for 1h, taking out the soaked bagasse, putting the bagasse into a drying oven, drying for 10h at 80 ℃, and repeatedly drying for 2-3 times to obtain the sized bagasse.
And (3) putting the obtained sized bagasse into a vacuum tube furnace, sealing, introducing nitrogen, raising the temperature of the vacuum tube furnace to 400 ℃ at the speed of 5 ℃/min after exhausting air, and maintaining the temperature of the vacuum tube furnace for carbonization for 40min at 400 ℃.
And then raising the temperature of the vacuum tube furnace to 1200 ℃ at the speed of 5 ℃/min, and maintaining the temperature of 1200 ℃ for graphitization for 20min to obtain the initial carbon fiber.
And (3) putting the primary carbon fiber into 45 wt% nitric acid water solution, soaking for 30min, taking out, putting into deionized water, rinsing for 2 times, putting the oxidized carbon fiber into a drying oven, and drying for 10h at 80 ℃ to obtain the bagasse-based carbon fiber.
Step 2: adding noise reducing material, heating to 100 deg.C, stirring for 20min, and adding neoprene latex and samarium oxide. The noise reduction material comprises inorganic reinforced particles, epoxy resin and an additive, wherein the preparation process of the inorganic reinforced particles comprises the following steps: the inorganic fullerene type tungsten disulfide particles are put into ethanol and dispersed by using an ultrasonic probe, then the mixture of the inorganic fullerene type tungsten disulfide particles and the ethanol is mixed with aluminum powder at 80-90 ℃ with vigorous stirring until all the ethanol is evaporated, and the mixture is dried in an oven at 130 ℃ for 13 hours to obtain a primary finished product, and then a cutter is used for cutting to obtain the particles.
And step 3: and (3) melting the asphalt, adding the mixed material obtained in the step (2) into the molten asphalt, adding fine aggregate and coarse aggregate, adding a proper amount of water, and mixing and stirring to obtain the maintenance material.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. A high-performance low-noise asphalt pavement maintenance material is characterized by comprising the following components in parts by weight: 60-70 parts of asphalt, 20-30 parts of fine aggregate, 30-40 parts of coarse aggregate, 3-5 parts of samarium trioxide, 5-8 parts of carbon fiber, 3-5 parts of polytetrafluoroethylene, 3-5 parts of noise reduction material and 1-2 parts of neoprene latex.
2. The high-performance low-noise asphalt pavement maintenance material according to claim 1, wherein: the noise reduction material comprises inorganic reinforced particles, epoxy resin and an additive, wherein the inorganic fullerene type tungsten disulfide particles, the epoxy resin and the additive are mixed according to the volume ratio of 1: 2: 1.
3. the high-performance low-noise asphalt pavement maintenance material according to claim 2, wherein: the additive consists of a flame retardant and a curing agent in a volume ratio of 1: 2.
4. The high-performance low-noise asphalt pavement maintenance material according to claim 1, wherein: the asphalt is rubber asphalt.
5. The method for preparing a high-performance low-noise asphalt pavement maintenance material according to any one of claims 1 to 4, comprising the steps of:
step 1: mixing samarium trioxide, carbon fiber and polytetrafluoroethylene, adding the mixture into a melting furnace, continuously heating to 360 ℃, continuously stirring and uniformly mixing during heating, and keeping the temperature at 80 ℃;
step 2: adding noise reduction material, heating to 100 ℃, continuously stirring for 20 minutes during heating, and then adding neoprene latex and samarium oxide;
and step 3: and (3) melting the asphalt, adding the mixed material obtained in the step (2) into the molten asphalt, adding the fine aggregate and the coarse aggregate, and mixing and stirring to obtain the maintenance material.
6. The method for preparing a high-performance low-noise asphalt pavement maintenance material according to claim 5, wherein the carbon fiber in step 1 is bagasse-based carbon fiber, and the preparation process of the bagasse-based carbon fiber comprises the following steps:
putting bagasse into a beaker filled with a sodium hypochlorite solution with the mass fraction of 5%, soaking for 12 hours, repeatedly filtering until the pH of the filtrate is close to neutral, putting the filtered bagasse into a drying box, and drying for 10 hours at 80 ℃;
the dried bagasse is contacted with an aqueous urea solution in a volume ratio of urea to deionized water of 1:1, soaked for 1h, the soaked bagasse is taken out, placed in a drying box, dried for 10h at 80 ℃, and repeatedly dried for 2-3 times to obtain sized bagasse;
putting the obtained sized bagasse into a vacuum tube furnace, sealing, introducing nitrogen, raising the temperature of the vacuum tube furnace to 400 ℃ at the speed of 5 ℃/min after exhausting air, and maintaining the temperature of the vacuum tube furnace for carbonization for 40min at 400 ℃;
then, the temperature of the vacuum tube furnace is increased to 1200 ℃ at the speed of 5 ℃/min, and the temperature is kept at 1200 ℃ for graphitization for 20min to obtain primary carbon fiber;
and (3) putting the primary carbon fiber into a 45 wt% nitric acid aqueous solution, soaking for 30min, taking out, putting into deionized water, rinsing for 2 times, putting the oxidized carbon fiber into a drying oven, and drying for 10h at 80 ℃ to obtain the bagasse-based carbon fiber.
7. The method for preparing a high-performance low-noise asphalt pavement maintenance material according to claim 6, wherein the noise-reducing material in the step 2 comprises inorganic reinforcing particles, epoxy resin and additives, and the inorganic reinforcing particles are prepared by the following steps: the inorganic fullerene type tungsten disulfide particles are put into ethanol and dispersed by an ultrasonic probe, then the mixture of the inorganic fullerene type tungsten disulfide particles and the ethanol is mixed with aluminum powder at the temperature of 80-90 ℃ with vigorous stirring until all the ethanol is evaporated, the mixture is dried in an oven at the temperature of 110-130 ℃ for 11-13 hours to obtain a primary finished product, and then a cutting machine is used for cutting to obtain the particles.
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| CN101239796A (en) * | 2008-01-16 | 2008-08-13 | 武汉理工大学 | High-performance low-noise asphalt pavement conserving material and preparation method thereof |
| CN106433159A (en) * | 2016-07-31 | 2017-02-22 | 包头稀土研究院 | Anti-ultraviolet rare earth and rubber powder compound modified emulsified asphalt and preparation method thereof |
| CN111531767A (en) * | 2020-04-03 | 2020-08-14 | 广西大学 | Preparation method of unmanned aerial vehicle propeller made of inorganic fullerene-carbon fiber composite material |
| CN112574583A (en) * | 2020-12-21 | 2021-03-30 | 徐州市融道路桥有限公司 | High-modulus asphalt material with excellent durability and preparation method thereof |
| CN112724698A (en) * | 2021-01-18 | 2021-04-30 | 湖南腾达岩土工程技术有限公司 | High-temperature secondary curing epoxy modified asphalt pavement paving material and preparation and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101239796A (en) * | 2008-01-16 | 2008-08-13 | 武汉理工大学 | High-performance low-noise asphalt pavement conserving material and preparation method thereof |
| CN106433159A (en) * | 2016-07-31 | 2017-02-22 | 包头稀土研究院 | Anti-ultraviolet rare earth and rubber powder compound modified emulsified asphalt and preparation method thereof |
| CN111531767A (en) * | 2020-04-03 | 2020-08-14 | 广西大学 | Preparation method of unmanned aerial vehicle propeller made of inorganic fullerene-carbon fiber composite material |
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