CN105315828A - Road-used multifunctional coating material with heat insulation and reduction and automobile exhaust treatment functions and preparation method of road-used multifunctional coating material - Google Patents
Road-used multifunctional coating material with heat insulation and reduction and automobile exhaust treatment functions and preparation method of road-used multifunctional coating material Download PDFInfo
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Abstract
The invention discloses a road-used multifunctional coating material with heat insulation and reduction and automobile exhaust treatment functions and a preparation method of the road-used multifunctional coating material. The road-used multifunctional coating material is prepared from the following ingredients by weight percent: 50-60 parts of a silicone acrylic emulsion, 15-25 parts of water, 5-9 parts of Fe-doped alumina supported nano-titanium dioxide, 5-9 parts of hollow glass beads, 5-9 parts of titanium dioxide, 11-14 parts of superfine diatomite, 5-9 parts of propylene glycol, 0.3-2.1 parts of an additive and 0.6-0.9 part of a dispersant. The preparation method is simple, and the road-used multifunctional coating material reasonably utilizes the favorable properties of pigments and fillers, not only can remarkably reduce the road surface temperature but also well degrade harmful ingredients in tail gas, and reduces environmental pollution caused by tail gas. Meanwhile, the road-used multifunctional coating material has relatively good weatherability, causes no secondary pollution during use and is an efficient and environment-friendly coating material.
Description
Technical field
The invention belongs to technical field of road engineering materials, be specifically related to a kind of road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently and preparation method thereof.
Background technology
Asphalt is as a kind of black pavement material, to sunlight, there is higher specific absorption, thus cause bituminous pavement to produce higher temperature, various disease can be formed due to depression of bearing force under the high-temperature condition of road surface under Vehicle Load, reduce use properties and the work-ing life of road, and the heat on road surface is constantly discharged into the external world when Low Night Temperature, under making outside temperature height of a specified duration not, be also one of reason causing urban heat land effect.
In today that economy develops rapidly, car owning amount constantly increases per capita, and China becomes motor vehicle production and marketing first big country of the world in continuous 3 years, and vehicle travels a large amount of tail gas of ejection, and the ability of the purifying air pollution thing of the Nature has seemed insignificant.Automobile pollution is the major reason causing photo-chemical smog, haze, and be China's air-polluting important sources, the healthy of serious harm people affects daily life, the urgency of China's Preventing Automobile Exhaust work as can be seen here.
Current road circle studies the temperature adopting many kinds of measures (water-retentivity road surface, heat-proofing type road surface, the gathering materials of high thermal resistance) to reduce asphalt surface energetically, but based on the endothermic character of bituminous material and the essential characteristic of temperature sensitivity, these measures fundamentally can not be alleviated the road-surface problem because high temperature brings and effectively reduce the temperature of road table.
Nowadays China proposes clear and definite requirement to the work of reinforcement Motor Vehicle Pollution Prevention, the programme of work of each relative section and area equal making machine motor-car disposal of pollutants and corresponding supporting policy, implement various method to the tail gas of the discharge and process discharge that reduce tail gas simultaneously, but as directly for the road that vehicle travels---the works the most directly contact with vehicle exhaust not yet has corresponding effective countermeasure administering in tail gas, is directly coated on road surface is used for the coated material of degrading tail gas and will at once gives birth to so a kind of.
Summary of the invention
For the deficiencies in the prior art and the requirement following environmentally friendly road, the invention provides one can reduce bituminous pavement road table temperature, again can well purifying automobile tail gas, degrading tail gas objectionable impurities minimizing environmental pollution road surface coating material.
Present invention also offers the above-mentioned preparation method having the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently.
It is that this has the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently that the present invention solves the problems of the technologies described above adopted technical scheme, comprise the raw material of following proportion by weight: organosilicon crylic acid latex 50 ~ 60 parts, 15 ~ 25 parts, water, the nano titanium oxide of Fe2O3 doping alumina load 5 ~ 9 parts, hollow glass microbead 5 ~ 9 parts, titanium dioxide 5 ~ 9 parts, microfine diatomaceous 11 ~ 14 parts, propylene glycol 5 ~ 9 parts, dispersion agent 0.6 ~ 0.9 part.
Above-mentioned road multi-functional coatings material is following formula preferably: organosilicon crylic acid latex 53 ~ 58 parts, 15 ~ 22 parts, water, the nano titanium oxide of Fe2O3 doping alumina load 6 ~ 8 parts, hollow glass microbead 5 ~ 8 parts, titanium dioxide 6 ~ 9 parts, microfine diatomaceous 12 ~ 14 parts, propylene glycol 6 ~ 8 parts, dispersion agent 0.6 ~ 0.8 part.
Above-mentioned road multi-functional coatings material also comprises auxiliary agent 0.3 ~ 2.1 part, and described auxiliary agent is that 0.5 ~ 1.5:0.5 ~ 1.5:0.5 ~ 1.5:1 forms by flow agent, defoamer, thickening material, wetting agent in mass ratio.
The particle diameter of above-mentioned hollow glass microbead is 200 ~ 400 orders, and ultimate compression strength is greater than 0.8MPa.
Above-mentioned dispersion agent is BYK-163 dispersion agent, BYK-161 dispersion agent or BOK-F-501 dispersion agent.
Above-mentioned defoamer is BYK-141 defoamer, BYK-052 defoamer or BOK-X-401 defoamer; Flow agent is BYK-333 flow agent or BYK-306 flow agent; Wetting agent is BYK-331 wetting agent or BYK-378 wetting agent; Thickening material is BYK-420 thickening material or BYK-425 thickening material.
Prepare the above-mentioned method having the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently to be realized by following steps:
(1) propylene glycol, dispersion agent, water are added grinding pot according to formula ratio, 10 ~ 20min is stirred under 400 ~ 600rpm, microfine diatomaceous, titanium dioxide are added in grinding pot successively, under 2300 ~ 2700rpm, stirs 15 ~ 25min, add the nano-TiO of Fe2O3 doping alumina load
2particle, continues to stir 30 ~ 40min under 2800 ~ 3200rpm state;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and hollow glass microbead is added according to formula ratio under 400 ~ 600rpm state, stir 20 ~ 30min, obtain the road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Above-mentioned steps (1) is preferred: propylene glycol, dispersion agent, auxiliary agent, water are added grinding pot according to formula ratio, 15 ~ 18min is stirred at 450 ~ 550rpm, microfine diatomaceous, titanium dioxide are added in grinding pot successively, under 2400 ~ 2500rpm, stir 18 ~ 22min, add the nano-TiO of Fe2O3 doping alumina load
2particle, stirs 35 ~ 40min under 2900 ~ 3000rpm state.
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present invention is by organosilicon crylic acid latex, the nano titanium oxide of Fe2O3 doping alumina load, hollow glass microbead and titanium dioxide, microfine diatomaceous, propylene glycol etc. are composite, while its each composition advantage of performance, synergy can be played, improve its pavement performance, this coated material can be applied to bituminous pavement surface, affiliated facility (the median strip railing of road can also be applied to, kerbstone, side slope, sign board, traffic lights etc.), tunnel inner wall, Bridge guardrail and pier stud etc., in addition, the raw material that this invention uses directly just can buy in market, cost of manufacture is low, with road surface, there is stronger sticking power, and there is good antiseptic power, super weather resisteant, there are good use properties and longer life cycle.Compared with prior art, it mainly has the following advantages:
(1) the present invention takes full advantage of TiO
2light urge characteristic, can be recycled, and its reversibility of causing in gas phase DeR to lose efficacy and cleanly can make its activity recovery by simple, and TiO
2there is self-cleaning function, as long as the appropriate water of periodically sprinkle just can clear the pollution off and recover that it is active, TiO simultaneously
2as photocatalyst, there is very strong redox ability, can with vehicle exhaust generation redox reaction, generate product non-environmental-pollution, and TiO
2self does not also pollute environment, is a kind of efficient vent gas treatment material of environmental protection.
(2) present invention utilizes the good luminous reflectanc of hollow glass microbead and the good thermal resistance effect of diatomite, well can reduce pitch to the absorption of light and can the going down of trap heat, effective reduction pavement temperature, reduce the pavement disease because high temperature brings, prolonging service life of pavement, and the tropical island effect that city can be alleviated.
(3) the present invention utilizes modifying titanium dioxide, titanium dioxide, hollow glass microbead and microfine diatomaceous etc. to produce synergy, by TiO
2vent gas treatment characteristic and the heat insulation and heat control of hollow glass microbead and microfine diatomaceous, alleviating urban heat island effect characteristic work in coordination with, play it separately while advantage, act on other and be compounded to form that pavement performance is high, good weatherability, the road coated material that strong adhesion, preservative property are good.
Embodiment
Now with experimental data, technical scheme of the present invention is further described, but the present invention is not limited only to following enforcement situation in conjunction with the embodiments.
Embodiment 1
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present embodiment is made up of the raw material of following proportioning: in units of g, organosilicon crylic acid latex 55g, water 20g, the nano titanium oxide 8g of Fe2O3 doping alumina load, hollow glass microbead 8g, titanium dioxide 7g, microfine diatomaceous 11g, propylene glycol 8g, defoamer 0.2g, flow agent 0.2g, thickening material 0.2g, wetting agent 0.2g, dispersion agent 0.7g.
Wherein: the particle diameter of hollow glass microbead is 250 orders, ultimate compression strength is greater than 0.8MPa, defoamer is BYK-052 defoamer, flow agent is BYK-333 flow agent, thickening material is BYK-420 thickening material, wetting agent is BYK-378 wetting agent, and described dispersion agent is BYK-161 dispersion agent.
Its preparation method is realized by following steps:
(1) defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol is taken according to above-mentioned formula ratio, measuring water according to formula ratio adds in grinding pot, and add load weighted defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol, stir 16min at 500 rpm; Add titanium dioxide and the microfine diatomaceous of formula ratio again, under 2500rpm, stir 20min, add the nano-TiO of the Fe2O3 doping alumina load of formula ratio
2particle, continues to stir 36min at 3,000 rpm;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and the hollow glass microbead of formula ratio is added under 500rpm state, continue to stir 25min discharging, i.e. the obtained road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Embodiment 2
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present embodiment is made up of the raw material of following proportioning: in units of g, organosilicon crylic acid latex 50g, water 15g, the nano titanium oxide 5g of Fe2O3 doping alumina load, hollow glass microbead 5g, titanium dioxide 5g, microfine diatomaceous 11g, propylene glycol 5g, defoamer 0.06g, flow agent 0.06g, thickening material 0.06g, wetting agent 0.12g, dispersion agent 0.6g.
Wherein: hollow glass microbead particle diameter is 200 orders, ultimate compression strength is greater than 0.8MPa, defoamer is BYK-141 defoamer, flow agent is BYK-306 flow agent, thickening material is BYK-425 thickening material, wetting agent is BYK-331 wetting agent, and described dispersion agent is BYK-163 dispersion agent.
Its preparation method is realized by following steps:
(1) defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol is taken according to above-mentioned formula ratio, measuring water according to formula ratio adds in grinding pot, and add load weighted defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol, stir 18min at 450 rpm; Add titanium dioxide and the microfine diatomaceous of formula ratio again, under 2400rpm, stir 22min, add the nano-TiO of the Fe2O3 doping alumina load of formula ratio
2particle, continues to stir 40min under 2900rpm;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and the hollow glass microbead of formula ratio is added under 400rpm state, continue to stir 30min discharging, i.e. the obtained road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Embodiment 3
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present embodiment is made up of the raw material of following proportioning: in units of g, organosilicon crylic acid latex 60g, water 25g, the nano titanium oxide 9g of Fe2O3 doping alumina load, hollow glass microbead 9g, titanium dioxide 9g, microfine diatomaceous 14g, propylene glycol 9g, defoamer 0.57g, flow agent 0.57g, thickening material 0.57g, wetting agent 0.39g, dispersion agent 0.9g.
Wherein: hollow glass microbead requires that particle diameter is 400 orders, ultimate compression strength is greater than 0.8MPa, defoamer is BOK-X-401 defoamer, flow agent is BYK-306 flow agent, thickening material is BYK-420 thickening material, wetting agent is BYK-331 wetting agent, and described dispersion agent is BOK-F-501 dispersion agent.
Its preparation method is realized by following steps:
(1) defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol is taken according to above-mentioned formula ratio, measuring water according to formula ratio adds in grinding pot, and add load weighted defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol, under 550rpm, stir 15min; Add titanium dioxide and the microfine diatomaceous of formula ratio again, under 2450rpm, stir 18min, add the nano-TiO of the Fe2O3 doping alumina load of formula ratio
2particle, continues to stir 35min at 3,000 rpm;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and the hollow glass microbead of formula ratio is added under 600rpm state, continue to stir 20min discharging, i.e. the obtained road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Embodiment 4
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present embodiment is made up of the raw material of following proportioning: in units of g, organosilicon crylic acid latex 53g, water 22g, the nano titanium oxide 6g of Fe2O3 doping alumina load, hollow glass microbead 8g, titanium dioxide 6g, microfine diatomaceous 12g, propylene glycol 8g, defoamer 0.3g, flow agent 0.3g, thickening material 0.3g, wetting agent 0.6g, dispersion agent 0.8g.
Wherein: hollow glass microbead requires that particle diameter is 350 orders, ultimate compression strength is greater than 0.8MPa, defoamer is 052 defoamer, flow agent is BYK-306 flow agent, thickening material is BYK-420 thickening material, wetting agent is BYK-378 wetting agent, and described dispersion agent is BYK-161 dispersion agent.
Its preparation method is realized by following steps:
(1) defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol is taken according to above-mentioned formula ratio, measuring water according to formula ratio adds in grinding pot, and add load weighted defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol, under 400rpm, stir 20min; Add titanium dioxide and the microfine diatomaceous of formula ratio again, under 2300rpm, stir 25min, add the nano-TiO of the Fe2O3 doping alumina load of formula ratio
2particle, continues to stir 40min under 2800rpm;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and the hollow glass microbead of formula ratio is added under 400rpm state, continue to stir 28min discharging, i.e. the obtained road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Embodiment 5
The road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently of the present embodiment is made up of the raw material of following proportioning: in units of g, organosilicon crylic acid latex 58g, water 18g, the nano titanium oxide 8g of Fe2O3 doping alumina load, hollow glass microbead 6g, titanium dioxide 8g, microfine diatomaceous 13g, propylene glycol 6g, defoamer 0.3g, flow agent 0.3g, thickening material 0.3g, wetting agent 0.2g, dispersion agent 0.7g.
Wherein: hollow glass microbead requires that particle diameter is 250 orders, ultimate compression strength is greater than 0.8MPa, defoamer is 052 defoamer, flow agent is BYK-306 flow agent, thickening material is BYK-420 thickening material, wetting agent is BYK-378 wetting agent, and described dispersion agent is BYK-161 dispersion agent.
Its preparation method is realized by following steps:
(1) defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol is taken according to above-mentioned formula ratio, measuring water according to formula ratio adds in grinding pot, and add load weighted defoamer, flow agent, thickening material, dispersion agent, wetting agent and propylene glycol, stir 10min at 600 rpm; Add titanium dioxide and the microfine diatomaceous of formula ratio again, under 2700rpm, stir 15min, add the nano-TiO of the Fe2O3 doping alumina load of formula ratio
2particle, continues to stir 30min under 3200rpm;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and the hollow glass microbead of formula ratio is added under 500rpm state, continue to stir 20min discharging, i.e. the obtained road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
Now in accordance with the following methods the performance that the present invention has the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently is detected, by the road multi-functional coatings applying material having heat insulation and heat control and vehicle maintenance service concurrently of embodiment 1 on rut plate, then test the vent gas treatment performance of coated material and temperature reduction performance by the pilot system of homemade tail gas clean-up testing apparatus and room temperature lowering test, concrete test method is as follows:
One, vent gas treatment performance
The rut plate of coating multifunctional coating is placed in tail gas clean-up testing apparatus and goes, collect tail gas, start to record first group of data after tail gas starting point concentration is stable, open incandescent light to irradiate, simulating nature luminous environment, record a secondary data at interval of 10min afterwards, till 60min stops or data variation is not obvious, battery of tests terminates.Test-results is in table 1,2:
Table 1 applies the rut plate cleaning of off-gas change in concentration table of multifunctional coating
The rut plate cleaning of off-gas change in concentration table of the uncoated multifunctional coating of table 2
As can be seen from Table 1 under ordinary light source multifunctional coating to vehicle exhaust CO, CO
2, HC, NO
x8.2%, 3.6%, 12.2%, 40% is respectively, tail gas four kinds of compositions CO, CO of uncoated how public coating in table 2 in the degraded of 60min
2, HC, NO
xreduce 3.2%, 1.4%, 3.9%, 7.7% respectively, obviously can find out that compared with table 1 data Multi-functional road topcoat material has good effect to vent gas treatment.
Two, road surface temperature reduction performance
The cooling-down effect of pilot system to coating that the rut plate of coating multifunctional coating is placed in the test of homemade room temperature lowering is tested.Rut plate is evenly got a little, irradiates simulating nature light source with tungsten-iodine lamp, the temperature of testing each point every 30min is averaged.Test result is in table 3:
The corresponding temperature difference of table 3 temperature averages
The rut plate surface temperature applying multifunctional coating is as can be seen from Table 3 obviously low than the rut plate surface temperature of uncoated multifunctional coating, and the highest difference 6.1 DEG C, illustrates that this Multi-functional road topcoat material obviously can reduce pavement temperature.
Verify by the performance of above-mentioned identical detection method to other embodiments 2 ~ 5, its result is consistent with above-mentioned test-results, obviously can reduce pavement temperature, and has good treatment effect to vehicle exhaust.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and interpolation or replacement, all still belong in the protection domain of technical solution of the present invention.
Claims (8)
1. one kind has the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently, it is characterized in that the raw material comprising following proportion by weight is made: organosilicon crylic acid latex 50 ~ 60 parts, 15 ~ 25 parts, water, the nano titanium oxide of Fe2O3 doping alumina load 5 ~ 9 parts, hollow glass microbead 5 ~ 9 parts, titanium dioxide 5 ~ 9 parts, microfine diatomaceous 11 ~ 14 parts, propylene glycol 5 ~ 9 parts, dispersion agent 0.6 ~ 0.9 part.
2. the road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently according to claim 1, it is characterized in that the raw material comprising following proportion by weight is made: organosilicon crylic acid latex 53 ~ 58 parts, 15 ~ 22 parts, water, the nano titanium oxide of Fe2O3 doping alumina load 6 ~ 8 parts, hollow glass microbead 5 ~ 8 parts, titanium dioxide 6 ~ 9 parts, microfine diatomaceous 12 ~ 14 parts, propylene glycol 6 ~ 8 parts, dispersion agent 0.6 ~ 0.8 part.
3. according to claim 1 or 2, have the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently, it is characterized in that: also comprise auxiliary agent 0.3 ~ 2.1 part, described auxiliary agent is that 0.5 ~ 1.5:0.5 ~ 1.5:0.5 ~ 1.5:1 forms by flow agent, defoamer, thickening material, wetting agent in mass ratio.
4. have the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service according to claim 3 concurrently, it is characterized in that: the particle diameter of described hollow glass microbead is 200 ~ 400 orders, and ultimate compression strength is greater than 0.8MPa.
5. have the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service according to claim 4 concurrently, it is characterized in that: described dispersion agent is BYK-163 dispersion agent, BYK-161 dispersion agent or BOK-F-501 dispersion agent.
6. have the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service according to claim 5 concurrently, it is characterized in that: described defoamer is BYK-141 defoamer, BYK-052 defoamer or BOK-X-401 defoamer; Flow agent is BYK-333 flow agent or BYK-306 flow agent; Wetting agent is BYK-331 wetting agent or BYK-378 wetting agent; Thickening material is BYK-420 thickening material or BYK-425 thickening material.
7. the method preparing the road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service as described in right 1 concurrently is realized by following steps:
(1) propylene glycol, dispersion agent, water are added grinding pot according to formula ratio, 10 ~ 20min is stirred under 400 ~ 600rpm, microfine diatomaceous, titanium dioxide are added in grinding pot successively, under 2300 ~ 2700rpm, stirs 15 ~ 25min, add the nano-TiO of Fe2O3 doping alumina load
2particle, continues to stir 30 ~ 40min under 2800 ~ 3200rpm state;
(2) slurry be stirred is transferred to paint mixing bucket by grinding pot, organosilicon crylic acid latex and hollow glass microbead is added according to formula ratio under 400 ~ 600rpm state, stir 20 ~ 30min, obtain the road multi-functional coatings material having heat insulation and heat control and vehicle maintenance service concurrently.
8. the method having the road multi-functional coatings material of heat insulation and heat control and vehicle maintenance service concurrently according to claim 7, it is characterized in that: step (1) is that propylene glycol, dispersion agent, auxiliary agent, water are added grinding pot according to formula ratio, 15 ~ 18min is stirred at 450 ~ 550rpm, microfine diatomaceous, titanium dioxide are added in grinding pot successively, under 2400 ~ 2500rpm, stir 18 ~ 22min, add the nano-TiO of Fe2O3 doping alumina load
2particle, stirs 35 ~ 40min under 2900 ~ 3000rpm state.
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| CN106479291A (en) * | 2016-09-23 | 2017-03-08 | 长安大学 | A kind of external wall degrading tail gas fire resistant coating material and preparation method |
| CN106747257A (en) * | 2016-12-05 | 2017-05-31 | 郑州诚合信息技术有限公司 | A kind of road coating of absorption tail gas and its preparation method and application |
| CN109081631A (en) * | 2018-08-16 | 2018-12-25 | 南京林业大学 | Road surface is prepared with multi-functional coatings and construction method |
| CN109081631B (en) * | 2018-08-16 | 2021-08-20 | 南京林业大学 | Preparation and construction method of multifunctional coating for pavement |
| CN109207008A (en) * | 2018-08-29 | 2019-01-15 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of degrading tail gas road surface sealing material |
| CN110372262A (en) * | 2019-08-08 | 2019-10-25 | 辽宁新发展公路科技养护有限公司 | A method of precast curb is prepared using bituminous pavement top milling material regeneration |
| CN110372262B (en) * | 2019-08-08 | 2022-05-27 | 辽宁新发展公路科技养护有限公司 | Method for preparing prefabricated kerbstone by utilizing pavement milling and planing material regeneration of asphalt pavement |
| CN115926561A (en) * | 2022-12-13 | 2023-04-07 | 广州市高速公路有限公司 | Pavement coating material and preparation method thereof |
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