CN105295400A - Asphalt pavement curing agent and preparation method thereof - Google Patents
Asphalt pavement curing agent and preparation method thereof Download PDFInfo
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- CN105295400A CN105295400A CN201510845710.9A CN201510845710A CN105295400A CN 105295400 A CN105295400 A CN 105295400A CN 201510845710 A CN201510845710 A CN 201510845710A CN 105295400 A CN105295400 A CN 105295400A
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Abstract
The invention provides an asphalt pavement curing agent. The asphalt pavement curing agent comprises the following components in percentage by weight: 50-70% of a petroleum distillate, 20-30% of asphalt, 8-10% of a modifier, 0.5-1.5% of a regenerant, 3-6% of petroleum resin, 0.5-1% of a compatilizer, 0.5-3% of a wear-resistant agent and 0-1% of a fire retarding agent, wherein the modifier is a phenethylene-butadiene-phenethylene segmented copolymer or styrene butadiene rubber. The invention further provides a preparation method of the asphalt pavement curing agent. According to method, the petroleum distillate is used as a solvent of the asphalt pavement curing agent, and the phenethylene-butadiene-phenethylene segmented copolymer or styrene butadiene rubber is used as the asphalt modifier, so that the obtained asphalt pavement curing agent is relatively stable, and free of segregation delamination phenomena when being placed at room temperature for 3 years.
Description
Technical field
The present invention relates to maintenance of surface agent technical field, especially relate to a kind of asphalt pavement curing agent and preparation method thereof.
Background technology
Build in China in the high-grade highway be open to traffic, about 80% be bituminous pavement.Bituminous pavement is with surfacing, and drive a vehicle comfortable, noise is little, has good damping property, and the advantages such as old asphalt mixture reproducible utilization occupy dominant position.In use, road surface is under the effect of various natural cause (as oxygen, temperature, ultraviolet, water etc.) and human factor (as construction, heavy duty etc.), its properties can progressively reduce, and shows as bituminous pavement and occurs rut, hole, hole, loose, cracking etc.If do not take effective maintenance measure, eliminate disease in time, the havoc on road surface can be caused.
At present to the maintenance of the maintenance method of bituminous pavement mainly passive type, when namely waiting the destruction on road surface to reach to have a strong impact on driving, carry out cover or spread new road surface.Although this method can obtain the use properties of new pavement, also there are some defects: it is comparatively large on the impact of traffic to overhaul road surface, particularly to some busy major urban arterial highways and the larger motorway of the volume of traffic.Meanwhile, pavement recapping cost is higher, and discarded asphalt is to environment.Therefore, in order to reduce construction cost, extend the weather resistance of bituminous pavement simultaneously, easy construction simultaneously, little to traffic impact, can to bituminous pavement not occurring or occurred that early disease is as astringent, loose in ageing of asphalt, road surface, pitted skin, minute crack, infiltration etc. time carry out preventive maintenance measure.
Asphalt pavement curing agent is exactly a kind of type material being applicable to bituminous pavement initial curing.Asphalt pavement curing agent has good flowing property; when sprinkling or after being brushed to oil mat; can infiltrate rapidly after bituminous sheaths mixes with bottom aged asphalt and chemical reaction occurs; penetration of bitumens, softening temperature, ductility are restored to a certain extent; form new protective layer simultaneously, prevent the intrusion of moisture.It is glossy that road surface after process can become black by original greyish white drying, and road surface after treatment has good integrity, cracking resistance and barrier properties.Prior art discloses the agent of various asphalt maintenance of surface, the Chinese patent literature being 200810069206.4 as application number discloses a kind of asphalt pavement curing agent, be made up of the regenerator of the refined asphaltic bitumen of 10wt% ~ 50wt%, the organic solvent of 23wt% ~ 50wt%, the properties-correcting agent of 3wt% ~ 23wt% and 5wt% ~ 25wt%, wherein, organic solvent is benzene,toluene,xylene, ethyl acetate, butylacetate, acetone, butanols, Tianna solution etc.; Properties-correcting agent is petroleum resin, urethane, thermoplastic acrylic resin, silicone resin, dibutyl phthalate, dibutyl phthalate, plant wet goods; Regenerator is phenol, polyphenol, naphthalene, anthracene, polycyclic aromatic hydrocarbons, kerosene and lubrication wet goods.Although this asphalt pavement curing agent can be used as the preventive maintenance of bituminous pavement, this product is unstable, and toluene analog assistant easily produces environmental issue, have infringement to a certain degree, long-term placement easily to emanate layering to human body.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of asphalt pavement curing agent and preparation method thereof, asphalt pavement curing agent provided by the invention is comparatively stable, and long-term placement can not be emanated, and preparation method is comparatively simple, energy-conserving and environment-protective.
The invention provides a kind of asphalt pavement curing agent, comprising:
The petroleum distillation liquid of 50wt% ~ 70wt%;
The pitch of 20wt% ~ 30wt%;
The properties-correcting agent of 8wt% ~ 10wt%, described properties-correcting agent is styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR);
The regenerator of 0.5wt% ~ 1.5wt%;
The petroleum resin of 3wt% ~ 6wt%;
The compatilizer of 0.5wt% ~ 1wt%;
The anti-wear agent of 0.5wt% ~ 3wt%;
With the fire retardant of 0 ~ 1wt%.
Preferably, described petroleum distillation liquid comprises petroleum distillation product C 8 cut and C9 cut, and the mass ratio of described C8 cut and C9 cut is 1:2 ~ 2:1.
Preferably, the flash-point of described petroleum distillation liquid is more than 65 DEG C.
Preferably, described pitch is 70# matrix pitch or 90# matrix pitch.
Preferably, described petroleum resin are C5 petroleum resin and/or C9 petroleum resin.
Preferably, synthetic rubber extending oil and the activating rubber powder of described regenerator to be mass ratio be 1:2 ~ 2:1.
Preferably, described compatilizer is heavy aromatics.
Preferably, described anti-wear agent is carbon black.
Preferably, described anti-wear agent also comprises silicon calcium powder.
The preparation method of the asphalt pavement curing agent described in technique scheme, comprises the following steps:
By asphalt heating to melting, add properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant, stirring reaction 2h, be cooled to 80 DEG C ~ 90 DEG C, after adding petroleum distillation liquid, obtain asphalt pavement curing agent.
The preparation method of the asphalt pavement curing agent described in technique scheme, comprises the following steps:
After properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant are dissolved in petroleum distillation liquid, add pitch, stir and obtain asphalt pavement curing agent.
Compared with prior art, asphalt pavement curing agent provided by the invention, comprising: the petroleum distillation liquid of 50wt% ~ 70wt%; The pitch of 20wt% ~ 30wt%; The properties-correcting agent of 8wt% ~ 10wt%, described properties-correcting agent is styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR); The regenerator of 0.5wt% ~ 1.5wt%; The petroleum resin of 3wt% ~ 6wt%; The compatilizer of 0.5wt% ~ 1wt%; The anti-wear agent of 0.5wt% ~ 3wt%; With the fire retardant of 0 ~ 1wt%.The present invention is using petroleum distillation liquid as the solvent of asphalt pavement curing agent, using styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR) as asphalt modifier, the asphalt pavement curing agent obtained is comparatively stable, places at normal temperatures and demixing phenomenon of emanating can not occur for 3 years.Meanwhile, when asphalt pavement curing agent provided by the invention is used for the precuring of bituminous pavement, the micro-cracks on road surface can be filled up, increase frictional coefficient and the water-impervious performance on road surface, improve the use properties on road surface.In addition, other components, using petroleum distillation liquid as solvent, can directly be dissolved in this solvent by the present invention, can obtain petroleum distillation liquid without the need to heating, thus reach energy-conserving and environment-protective, low-carbon emission, Simplified flowsheet, the object that reduces costs.
Embodiment
The invention provides a kind of asphalt pavement curing agent, comprising:
The petroleum distillation liquid of 50wt% ~ 70wt%;
The pitch of 20wt% ~ 30wt%;
The properties-correcting agent of 8wt% ~ 10wt%, described properties-correcting agent is styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR);
The regenerator of 0.5wt% ~ 1.5wt%;
The petroleum resin of 3wt% ~ 6wt%;
The compatilizer of 0.5wt% ~ 1wt%;
The anti-wear agent of 0.5wt% ~ 3wt%;
With the fire retardant of 0 ~ 1wt%.
Asphalt pavement curing agent provided by the invention with petroleum distillation liquid for solvent, the product obtained not only good stability, and be easy to preparation.In the present invention, petroleum distillation liquid is the cut produced in petroleum refining petrol and diesel oil process, and the present invention is not particularly limited described petroleum refining petrol and diesel oil process, method well known to those skilled in the art.In the present invention, described petroleum distillation liquid is preferably the C8 cut and C9 cut that produce in petroleum refining petrol and diesel oil process, and the mass ratio of described C8 cut and C9 cut is preferably 1:2 ~ 2:1, is more preferably 1:1.In the present invention, the flash-point of described petroleum distillation liquid is preferably more than 65 DEG C, is more preferably 70 DEG C ~ 100 DEG C.In the present invention, the content of described petroleum distillation liquid is 50wt% ~ 70wt%, is more preferably 60wt%.
Asphalt pavement curing agent provided by the invention comprises pitch, and described pitch is preferably matrix pitch, is more preferably 70# matrix pitch or 90# matrix pitch.Consider for environmental protection, the present invention does not preferably adopt coal-tar pitch.In the present invention, the content of described pitch is 20wt% ~ 30wt%, is preferably 25wt%.
Asphalt pavement curing agent provided by the invention also comprises properties-correcting agent, and described properties-correcting agent is styrene-butadiene-styrene block copolymer (SBS) or styrene-butadiene rubber(SBR) (SBR), is preferably SBR.Using SBS or SBR as asphalt modifier, the performance of asphalt pavement curing agent can be improved, make the Pavement Performance after maintenance good.In the present invention, the content of described properties-correcting agent is 8wt% ~ 10wt%, is preferably 9wt%.
In embodiments of the present invention, can be used alone pitch and properties-correcting agent, also directly can use the pitch of modifier modification, properties-correcting agent and pitch meet above-mentioned content requirement.
Asphalt pavement curing agent provided by the invention also comprises regenerator, and the effect of described regenerator is the frictional coefficient increasing road surface, improves the anti-slide performance on road surface.In the present invention, described regenerator is preferably synthetic rubber extending oil and activating rubber powder, and wherein, synthetic rubber extending oil is also known as rubber filling oil, and be preferably cycloalkyl synthetic rubber extending oil, the present invention is not particularly limited its source, commercially available prod.Activating rubber powder is also known as activated rubber powder, and the present invention does not also limit its source, market product.In the present invention, the mass ratio of described synthetic rubber extending oil and activating rubber powder is preferably 1:2 ~ 2:1, is more preferably 1:1.In the present invention, the content of described regenerator is preferably 0.5wt% ~ 1.5wt%, is more preferably 1wt%.
In asphalt pavement curing agent provided by the invention, petroleum resin are preferably C5 and/or C9 resin, are more preferably C5 resin.In the present invention, the content of described petroleum resin is 3wt% ~ 5wt%, is preferably 4wt%.
In the present invention, it is better that the effect of compatilizer is to make each component compatibility, increases the stability of asphalt pavement curing agent.In the present invention, described compatilizer is preferably heavy aromatics.The source of the present invention to described heavy aromatics is not particularly limited, commercially available prod.The content of described compatilizer is 0.5wt% ~ 1wt%, is preferably 0.8wt%.
In the present invention, the effect of anti-wear agent is the frictional coefficient and the anti-slide performance that increase road surface after maintenance.Described anti-wear agent preferably includes carbon black, preferably also comprises silicon calcium powder.The content of described anti-wear agent is 0.5wt% ~ 3wt%, is more preferably 1wt% ~ 2wt%.When anti-wear agent be carbon black and silicon calcium powder time, the content of carbon black is preferably 0.5wt% ~ 1.5wt%, is more preferably 1wt%; The content of silicon calcium powder is preferably 0.5wt% ~ 1.5wt%, is more preferably 1wt%.
Asphalt pavement curing agent provided by the invention also comprises fire retardant, and described fire retardant is preferably organic fire-retardant, includes but not limited to bromine system, phosphorus nitrogen system, nitrogen system and phosphorus flame retardant etc.In the present invention, the content of described fire retardant is 0 ~ 1wt%, is preferably 0.5wt% ~ 1wt%, is more preferably 0.8wt%.
Present invention also offers the first preparation method of above-mentioned asphalt pavement curing agent, is also the customary preparation methods of current asphalt pavement curing agent, that is:
By asphalt heating to melting, add properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant, stirring reaction 2h, be cooled to 80 DEG C ~ 90 DEG C, after adding petroleum distillation liquid, obtain asphalt pavement curing agent.
In customary preparation methods, first by melting about asphalt heating to 140 DEG C, then add properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant, stirring reaction 2h, be cooled to 80 DEG C ~ 90 DEG C, add petroleum distillation liquid, after cooling, can asphalt pavement curing agent be obtained.
Present invention also offers the second preparation method of above-mentioned asphalt pavement curing agent, as follows:
After properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant are dissolved in petroleum distillation liquid, add pitch, stir and obtain asphalt pavement curing agent.
In the second preparation method, first properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant are added in petroleum distillation liquid, placing under normal temperature makes above-mentioned substance dissolve, and then adds pitch, can obtain asphalt pavement curing agent after stirring.
Compared with first method, second method, without the need to heating, without the need to reactor, as long as mix, reaches energy-conserving and environment-protective, low-carbon emission, Simplified flowsheet, the object that reduces costs.
The present invention is using petroleum distillation liquid as the solvent of asphalt pavement curing agent, using styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR) as asphalt modifier, the asphalt pavement curing agent obtained is comparatively stable, places at normal temperatures and demixing phenomenon of emanating can not occur for 3 years.Simultaneously, when asphalt pavement curing agent provided by the invention is used for the precuring of bituminous pavement, the pitch that efficient recovery road surface is lost can be had, by asphaltene molecule activating and regenerating aging for road surface, close road surface hole and minute crack, prevent road surface Moisture Damage, recover the original performance in road surface.Particularly the north before entering winter if the spraying that road pavement carries out a curing agent effectively can close pavement crack, avoid because of winter road surface spreading snow-melting agent, melt Water Damage that snow-broth etc. causes and freeze-thaw and frost heave road pavement destruction and effective water shutoff antifreezing expansion effect can be played, be a kind of very excellent pavement maintenance material.
Asphalt pavement curing agent provided by the invention can use in accordance with the following methods:
First close the bituminous pavement treating maintenance, forbid that personnel and vehicle enter;
Before asphalt pavement curing agent construction, treat maintenance road surface thoroughly to clean, the impurity such as dusting out, dirt, residue, road cleaner, Eelectric broom can be adopted to coordinate blower to clean, also used water is rinsed if desired, when rinsing with water, within first 24 hours, must complete in construction, to have time enough to reach drying regime to road surface;
After maintenance road cleaning completes, get final product manual application or the above-mentioned asphalt pavement curing agent of mechanical spread, spread quantity is generally 0.25 ~ 0.3 kilogram/square metre;
After spreading completes, within 4 ~ 8 hours, forbid any vehicle and pedestrian to enter road surface, after road surface is done solid work completely, and road pavement carries out inspection of quality, reaches standard, can under the condition of speed limit 40 kilometers/hour open to traffic; According to weather and temperature conditions, when frictional coefficient difference≤10 on construction section road surface and former road surface (about 7 ~ 10 days), can open to traffic completely.
In order to further illustrate the present invention, below in conjunction with embodiment, asphalt pavement curing agent provided by the invention and preparation method thereof is described in detail.
In following embodiment, SBS is the Kunlun T171, SBR is Sinopec YH-792 (SBS1401), synthetic rubber extending oil is rubber filling oil KNH4006, activating rubber powder is purchased from Jiaozuo City Hong Rui limited rubber company, C5 petroleum resin are Yi Shiman C5 petroleum resin, and heavy aromatics is heavy aromatics 1800#.
Embodiment 1
C8 cut in petroleum refining petrol and diesel oil process and C9 cut are mixed according to the mass ratio of 1:2, obtains petroleum distillation liquid;
25kg70# matrix pitch is heated to 140 DEG C, add 8kgSBS, 0.5kg synthetic rubber extending oil, 0.5kg activating rubber powder, 3kgC5 petroleum resin, 0.5kg heavy aromatics, 0.5kg carbon black and 0.5kg silicon calcium powder, stirring reaction 2h, be cooled to 80 DEG C ~ 90 DEG C, add the above-mentioned petroleum distillation liquid of 61.5kg, after cooling, obtain asphalt pavement curing agent.
Measure the performance perameter of described asphalt pavement curing agent, result is see table 1, and table 1 is the performance perameter of asphalt pavement curing agent prepared by the embodiment of the present invention 1 ~ 4.
The asphalt pavement curing agent using embodiment 1 to prepare in national highway 320 K270 to K269 Fuyang, Zhejiang section according to method mentioned above carries out maintenance, and the usage quantity of asphalt pavement curing agent is 0.3 kilogram/square metre.After using, this road surface, section fine cracks disappears, and road surface is pitch-dark, resilient enough, and use properties is good; The infiltration coefficient on this road surface is 0, and water resistance is good; Before using curing agent, this surface friction coefficient is 52, uses curing agent after 1 week, and frictional coefficient is 59.After using curing agent, use 1 year half is continued on this road surface, and crack does not appear in road surface, in order.
Above-mentioned asphalt pavement curing agent is sealed at normal temperatures placement 3 years, layering of emanating does not occur, has good stability.
Embodiment 2
C8 cut in petroleum refining petrol and diesel oil process and C9 cut are mixed according to the mass ratio of 1:1, obtains petroleum distillation liquid;
9kgSBR, 0.5kg synthetic rubber extending oil, 0.5kg activating rubber powder, 5kgC9 petroleum resin, 1kg heavy aromatics, 1kg carbon black and 0.5kg silicon calcium powder are joined in the above-mentioned petroleum distillation liquid of 60kg, placing 1.5h under normal temperature makes it dissolve, add 22.5kg90# matrix pitch, after stirring, obtain asphalt pavement curing agent.
Measure the performance perameter of described asphalt pavement curing agent, result is see table 1, and table 1 is the performance perameter of asphalt pavement curing agent prepared by the embodiment of the present invention 1 ~ 4.
The asphalt pavement curing agent using embodiment 2 to prepare in national highway 104 line K1687 to the K1689 Taizhou of Zhejiang section of bordering on the sea according to method mentioned above carries out maintenance, and the usage quantity of asphalt pavement curing agent is 0.3 kilogram/square metre.After using, this road surface, section fine cracks disappears, and road surface is pitch-dark, resilient enough, and use properties is good; The infiltration coefficient on this road surface is 0, and water resistance is good; Before using curing agent, this surface friction coefficient is 44, uses curing agent after 1 week, and frictional coefficient is 52.After using curing agent, use 2 years is continued on this road surface, and crack does not appear in road surface, in order.
Above-mentioned asphalt pavement curing agent is sealed at normal temperatures placement 3 years, layering of emanating does not occur, has good stability.
Embodiment 3
C8 cut in petroleum refining petrol and diesel oil process and C9 cut are mixed according to the mass ratio of 2:1, obtains petroleum distillation liquid;
10kgSBR, 0.5kg synthetic rubber extending oil, 0.5kg activating rubber powder, 6kgC5 petroleum resin, 0.5kg heavy aromatics, 1.5kg carbon black and 1kg silicon calcium powder are joined in the above-mentioned petroleum distillation liquid of 58kg, placing 2h under normal temperature makes it dissolve, add 22kg70# matrix pitch, after stirring, obtain asphalt pavement curing agent.
Measure the performance perameter of described asphalt pavement curing agent, result is see table 1, and table 1 is the performance perameter of asphalt pavement curing agent prepared by the embodiment of the present invention 1 ~ 4.
Carry out maintenance according to method mentioned above at the asphalt pavement curing agent of Suzhou Institute of Wuhan University's campus road occupation embodiment 3 preparation, the usage quantity of asphalt pavement curing agent is 0.25 kilogram/square metre.After using, this road surface, section fine cracks disappears, and road surface is pitch-dark, resilient enough, and use properties is good; The infiltration coefficient on this road surface is 0, and water resistance is good.After using curing agent, use 2 years is continued on this road surface, and crack does not appear in road surface, in order.
Above-mentioned asphalt pavement curing agent is sealed at normal temperatures placement 3 years, layering of emanating does not occur, has good stability.
Embodiment 4
C8 cut in petroleum refining petrol and diesel oil process and C9 cut are mixed according to the mass ratio of 1:1, obtains petroleum distillation liquid;
70# matrix pitch 9kgSBR and 22.5kg being preheating to 160 DEG C is uniformly mixed, and obtains the pitch of SBR modification;
0.5kg synthetic rubber extending oil, 0.5kg activating rubber powder, 5kgC9 petroleum resin, 1kg heavy aromatics, 1kg carbon black and 0.5kg silicon calcium powder are joined in the above-mentioned petroleum distillation liquid of 60kg, placing 1.5h under normal temperature makes it dissolve, add above-mentioned modifying asphalt, after stirring, obtain asphalt pavement curing agent.
Measure the performance perameter of described asphalt pavement curing agent, result is see table 1, and table 1 is the performance perameter of asphalt pavement curing agent prepared by the embodiment of the present invention 1 ~ 4.
The performance perameter of asphalt pavement curing agent prepared by table 1 embodiment of the present invention 1 ~ 4
The asphalt pavement curing agent using embodiment 4 to prepare in Wuhan University campus according to method mentioned above carries out maintenance, and the usage quantity of asphalt pavement curing agent is 0.3 kilogram/square metre.After using, this road surface, section fine cracks disappears, and road surface is pitch-dark, resilient enough, and use properties is good; The infiltration coefficient on this road surface is 0, and water resistance is good.After using curing agent, use 2 years is continued on this road surface, and crack does not appear in road surface, in order.
Above-mentioned asphalt pavement curing agent is sealed at normal temperatures placement 3 years, layering of emanating does not occur, has good stability.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an asphalt pavement curing agent, comprising:
The petroleum distillation liquid of 50wt% ~ 70wt%;
The pitch of 15wt% ~ 30wt%;
The properties-correcting agent of 8wt% ~ 10wt%, described properties-correcting agent is styrene-butadiene-styrene block copolymer or styrene-butadiene rubber(SBR);
The regenerator of 0.5wt% ~ 1wt%;
The petroleum resin of 3wt% ~ 6wt%;
The compatilizer of 0.5wt% ~ 1.5wt%;
The anti-wear agent of 0.5wt% ~ 3wt%;
With the fire retardant of 0 ~ 1wt%.
2. asphalt pavement curing agent according to claim 1, is characterized in that, described petroleum distillation liquid comprises petroleum distillation product C 8 cut and C9 cut, and the mass ratio of described C8 cut and C9 cut is 1:2 ~ 2:1.
3. asphalt pavement curing agent according to claim 2, is characterized in that, the flash-point of described petroleum distillation liquid is more than 65 DEG C.
4. asphalt pavement curing agent according to claim 1, is characterized in that, described pitch is 70# matrix pitch or 90# matrix pitch.
5. asphalt pavement curing agent according to claim 1, is characterized in that, described petroleum resin are C5 petroleum resin and/or C9 petroleum resin.
6. asphalt pavement curing agent according to claim 1, is characterized in that, synthetic rubber extending oil and the activating rubber powder of described regenerator to be mass ratio be 1:2 ~ 2:1.
7. asphalt pavement curing agent according to claim 1, is characterized in that, described compatilizer is heavy aromatics;
Described anti-wear agent is carbon black.
8. asphalt pavement curing agent according to claim 7, is characterized in that, described anti-wear agent also comprises silicon calcium powder.
9. the preparation method of the asphalt pavement curing agent described in claim 1 ~ 8 any one, comprises the following steps:
By asphalt heating to melting, add properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant, stirring reaction 2h, be cooled to 80 DEG C ~ 90 DEG C, after adding petroleum distillation liquid, obtain asphalt pavement curing agent.
10. the preparation method of the asphalt pavement curing agent described in claim 1 ~ 8 any one, comprises the following steps:
After properties-correcting agent, regenerator, petroleum resin, compatilizer, anti-wear agent and fire retardant are dissolved in petroleum distillation liquid, add pitch, stir and obtain asphalt pavement curing agent.
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| CN108795070A (en) * | 2018-05-24 | 2018-11-13 | 江蔓青 | A kind of high-performance environment-friendly asphalt pavement material |
| CN108822566A (en) * | 2018-06-05 | 2018-11-16 | 广东石油化工学院 | A kind of Si modification asphalt road surface curing agent and preparation method thereof |
| CN108949087A (en) * | 2017-05-18 | 2018-12-07 | 交通运输部公路科学研究所 | A kind of permeable pavement is dedicated can reactive infiltration type sticking material |
| CN109181177A (en) * | 2018-08-15 | 2019-01-11 | 深圳市粤通建设工程有限公司 | Asphalt pavement curing agent and its preparation method and application |
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