CN104804445A - Pavement tail gas degradation fog sealing layer material and preparation method thereof - Google Patents

Pavement tail gas degradation fog sealing layer material and preparation method thereof Download PDF

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Publication number
CN104804445A
CN104804445A CN201510229000.3A CN201510229000A CN104804445A CN 104804445 A CN104804445 A CN 104804445A CN 201510229000 A CN201510229000 A CN 201510229000A CN 104804445 A CN104804445 A CN 104804445A
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China
Prior art keywords
tail gas
road
mist sealing
parts
gas degraded
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Pending
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CN201510229000.3A
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Chinese (zh)
Inventor
刘强
景晶晶
张宁波
何传龙
钱琳琳
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Jiangsu Sinoroad Engineering Technology Institute Co Ltd
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Jiangsu Sinoroad Engineering Technology Institute Co Ltd
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Priority to CN201510229000.3A priority Critical patent/CN104804445A/en
Publication of CN104804445A publication Critical patent/CN104804445A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a pavement tail gas degradation fog sealing layer material and a preparation method thereof. The material comprises the following ingredients in parts by weight: 80 to 100 parts of emulsified asphalt, 5 to 20 parts of modifying agents, 5 to 15 parts of photocatalytic complexing agents, 3 to 7 parts of plasticizers, 0.05 to 0.15 part of tackifiers and 150 to 200 parts of quartz sand, wherein the emulsified asphalt comprises 55 to 60 parts of petroleum asphalt, 2 to 3 parts of emulsifying agents, 37 to 43 parts of water and a proper amount of hydrochloric acid. The pavement tail gas degradation fog sealing layer material and the preparation method have the advantages that harmful gas of oxynitrides in automobile tail gas can be effectively degraded, meanwhile, the pavement preventive maintenance aspect is considered, the early-stage slight damage of the pavement surface is restored, and the water-resistant and anti-slip performance of the pavement is improved.

Description

A kind of road surface tail gas degraded mist sealing material and preparation method
Technical field
The present invention relates to the environmental protection of a kind of road surface and conserving material, can effectively to degrade oxynitride obnoxious flavour in vehicle exhaust in particular to one, take into account road surface preventive maintenance category, repair way table initial stage slight damage, the tail gas degraded mist sealing material improving road surface water resistant and cling property and preparation method thereof simultaneously.
Background technology
Along with expanding economy and the progress of society, China's automobile pollution sharply increases.By the end of the year 2014, China's vehicle guaranteeding organic quantity will reach 2.64 hundred million, wherein 1.54 hundred million, automobile, and automobile exhaust pollution is one of main source becoming topsoil.Scientific analysis shows, containing a large amount of objectionable impuritiess in vehicle exhaust, comprise carbon monoxide, oxynitride, hydrocarbon polymer and solid suspended particle etc., the quantity discharged of the annual vehicle exhaust of China is greatly about about 1.2 hundred million tons according to statistics.Vehicle exhaust is one of arch-criminal of a lot of urban atmospheric pollution, and photo-chemical smog is exactly one of its noxious products.Therefore, how to remove and the oxynitride administered in tail gas becomes the current environmental issue needing solution badly.
Along with the open operation of bituminous pavement is after several years, usually there is the phenomenon of fatigue cracking, loss fine aggregate in surface, and then affect its water permeability, road table water enters into asphalt through crack or fine aggregate injury region (undisguisedly locating), automobile high-speed by time under the repeated action of hydrodynamic pressure, accelerate the damage on road surface further, produce the diseases such as check crack, be full of cracks, hole, hole.At microfracture and fine aggregate loss initial stage, road surface is in health state substantially, and now how road pavement is carried out preventive maintenance, slows down disease spreading rate, improved service life of road surface, is also one of major issue faced in maintenance of surface process.
At present, a kind of material is not also had can to take into account the dual function of degraded vehicle exhaust and maintenance of surface in technical field of roadway maintenance.
Summary of the invention
Main purpose of the present invention is, provides a kind of the road surface tail gas degraded mist sealing material and the preparation method that take into account degraded vehicle exhaust objectionable constituent and maintenance of surface dual function, thus is more suitable for practicality, and have the utility value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.The road surface tail gas degraded mist sealing material proposed according to the present invention, comprises each component that following quality is divided,
Each component that described emulsified bitumen is divided by following quality forms,
Further, aforesaid road surface tail gas degraded mist sealing material, described properties-correcting agent is polymer emulsion, and polymer emulsion is natural rubber latex, styrene butadiene rubber latex, Neoprene latex, ethylene-vinyl acetate copolymer emulsion one or both and above mixture wherein.
Further, aforesaid road surface tail gas degraded mist sealing material, described photochemical catalysis recombiner is anatase titanium dioxide TiO 2powder.
Further, aforesaid road surface tail gas degraded mist sealing material, the sand particle size range of described quartz sand is 40-70 order.
Further, aforesaid road surface tail gas degraded mist sealing material, described softening agent is ethyl acetate or dibutyl phthalate.
Further, aforesaid road surface tail gas degraded mist sealing material, described tackifier are any one in γ-aminopropyl triethoxysilane, γ-glycydoxy Trimethoxy silane, anilinomethyl triethoxysilane.
Further, aforesaid road surface tail gas degraded mist sealing material, described emulsifying agent is cationic emulsifier, is one or more in quaternary ammonium salt, alkyl amine, amides, imidazolines, oxyethane Diamines, aminated lignin cationoid emulsifying agent.
The preparation method of road surface tail gas degraded mist sealing material, comprises the steps,
Step 1): dewater after petroleum asphalt dissolving, remove impurity, and be incubated for subsequent use;
Step 2): add emulsifying agent and regulate pH value by hydrochloric acid in the water of heating, add step 1 gradually) petroleum pitch that processed, stir and filter, obtaining emulsified bitumen;
Step 3): in proportion properties-correcting agent is joined in emulsified bitumen, stirring at low speed, obtain modified emulsifying asphalt;
Step 4): take modified emulsifying asphalt in proportion, stir after adding photochemical catalysis recombiner, then add softening agent, tackifier and quartz sand successively, after stirring, obtain target product.
Further, the preparation method of aforesaid road surface tail gas degraded mist sealing material, step 1) holding temperature be 120 DEG C ~ 140 DEG C.
Further, the preparation method of aforesaid road surface tail gas degraded mist sealing material, step 2) pH value be 1.5 ~ 2.5.
By technique scheme, road surface of the present invention tail gas degraded mist sealing material and preparation method at least have following advantages:
The invention reside in and a kind of oxynitride obnoxious flavour can effectively degraded in vehicle exhaust is provided; Take into account road surface preventive maintenance category, repair way table initial stage slight damage, the tail gas degraded mist sealing material improving road surface water resistant and cling property and preparation method simultaneously.This material greatly can not only improve the environment on road surface, the intensity increasing bituminous pavement and weather resistance, can improve highway Air quality again simultaneously, reduces obnoxious flavour to the injury of human body, has good environmental benefit and social benefit.
Nano titanium oxide joins in modified emulsifying asphalt by the present invention, and adopt mist sealing covers to construct, this method raw material is easy to get, and cost of manufacture is low, good degrading effect.Therefore this road surface tail gas degraded mist sealing material has good market outlook and promotes evaluation, meets the sustainable transport development of environmental protection.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, to the road surface tail gas degraded mist sealing material proposed according to the present invention and its embodiment of preparation method, feature and effect thereof, be described in detail as follows.
Embodiment 1
First bi tumenf orr oad SK90 is got #60 parts, add smelting furnace fusing, dehydration, removing impurity, is then incubated for subsequent use at 120 DEG C;
Separately independent the water of 37 parts to be mixed with 3 parts of quaternary ammonium salt emulsifiers, add appropriate hydrochloric acid, regulate about PH to 1.5, then 75 DEG C are heated to, after by heating after emulsifier aqueous solution mix with pitch, put into mulser, can discharging be filtered by supercharging, shearing, grinding 10-15 minute, keep emulsified bitumen temperature out in process not higher than 85 DEG C;
Added in emulsified bitumen 90 parts by natural rubber latex (NR) 10 weight part, stirring at low speed 6-25 minute, stirs, modified emulsifying asphalt;
Get 100 parts of modified emulsifying asphalts, pour 15 parts of photochemical catalysis recombiner anatase titanium dioxide TiO successively into 2continue to stir with rotating speed 300-400rpm at normal temperatures, after about 40min stirs, pour 7 parts of softening agent ethyl acetate and 0.15 part of tackifier anilinomethyl triethoxysilane and 200 parts of 40-70 order antiskid wear-resisting sands into, stir 20-40min with rotating speed 300-500rpm, to be mixedly evenly namely obtain tail gas degraded mist sealing construction material.
Embodiment 2:
First get 35 parts, 60# petroleum pitch, 15 parts, 10# petroleum pitch add melting tank fusing, dehydration, removing impurity, be then incubated for subsequent use at 140 DEG C;
Separately 50 parts of water are added in emulsifying kettle, be heated to about 60 DEG C, add 5 parts of oxyethane two amine emulsifiers, after being uniformly mixed, add appropriate hydrochloric acid, regulate about PH to 2, in stirring, slowly add the pitch melted, add rear stirring and can filter discharging in 10-15 minute;
Added in emulsified bitumen 95 parts by ethylene-vinyl acetate copolymer emulsion (EVA) 10 weight part, stirring at low speed 6-25 minute, stirs, modified emulsifying asphalt;
Get 100 parts of modified emulsifying asphalts, pour 15 parts of photocatalyst material rutile TiO successively into 2continue to stir with rotating speed 300-400rpm at normal temperatures, after about 40min stirs, pour 7 parts of Plasticized with Dibutyl Phthalate agent, 5 parts of anilinomethyl triethoxysilane tackifier and 200 parts of 40-70 order antiskid wear-resisting sands into, stir 20-40min with rotating speed 300-500rpm, to be mixedly evenly namely obtain tail gas degraded mist sealing construction material.
On the one hand, photocatalyst material TiO is contained in tail gas degraded mist sealing material of the present invention 2, it is under the irradiation of light source, by being chemical energy light energy conversion, by the obnoxious flavour NO in vehicle exhaust xcatalyzed oxidation, thus improve Air quality.The TiO included in the present invention 2chemical stability is high, corrosion-resistant, redox potential is high, light-catalyzed reaction motivating force large, photocatalytic activity is higher, and has nontoxic, that cost is low characteristic, possesses great application potential.
On the other hand, tail gas degraded mist sealing material of the present invention directly applies on road surface, can promptly provide a dark coloured exterior surface for road; It can the hole on blocked road surface and microfracture, prevents moisture and air from entering in pavement structure the destruction causing pavement structure, the crack of below 3mm is had to the effect of healing automatically; Quartz sand can increase the degree of roughness of road surfaces, plays the effect improving surface friction coefficient, ensure traffic safety; In addition, mist sealing can also hold the loose aggregate of road surface to prevent it further loose, can protect or redeck because of aging lost binding material, reduce the aging and weathering on road surface.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (10)

1. a road surface tail gas degraded mist sealing material, is characterized in that: comprise each component that following quality is divided,
Each component that described emulsified bitumen is divided by following quality forms,
2. road surface according to claim 1 tail gas degraded mist sealing material, it is characterized in that: described properties-correcting agent is polymer emulsion, polymer emulsion is natural rubber latex, styrene butadiene rubber latex, Neoprene latex, ethylene-vinyl acetate copolymer emulsion one or both and above mixture wherein.
3. road surface according to claim 1 tail gas degraded mist sealing material, is characterized in that: described photochemical catalysis recombiner is anatase titanium dioxide TiO 2powder.
4. road surface according to claim 1 tail gas degraded mist sealing material, is characterized in that: the sand particle size range of described quartz sand is 40-70 order.
5. road surface according to claim 1 tail gas degraded mist sealing material, is characterized in that: described softening agent is ethyl acetate or dibutyl phthalate.
6. road surface according to claim 1 tail gas degraded mist sealing material, is characterized in that: described tackifier are the one in γ-aminopropyl triethoxysilane, γ-glycydoxy Trimethoxy silane, anilinomethyl triethoxysilane.
7. road surface according to claim 1 tail gas degraded mist sealing material, it is characterized in that: described emulsifying agent is cationic emulsifier, is one or more the mixture in quaternary ammonium salt, alkyl amine, amides, imidazolines, oxyethane Diamines, aminated lignin cationoid emulsifying agent.
8. the preparation method of road surface tail gas degraded mist sealing material, is characterized in that: comprise the steps,
Step 1): dewater after petroleum asphalt dissolving, remove impurity, and be incubated for subsequent use;
Step 2): add emulsifying agent and regulate pH value by hydrochloric acid in the water of heating, add step 1 gradually) petroleum pitch that processed, stir and filter, obtaining emulsified bitumen;
Step 3): in proportion properties-correcting agent is joined in emulsified bitumen, stirring at low speed, obtain modified emulsifying asphalt;
Step 4): take modified emulsifying asphalt in proportion, stir after adding photochemical catalysis recombiner, then add softening agent, tackifier and quartz sand successively, after stirring, obtain target product.
9. the preparation method of road surface according to claim 8 tail gas degraded mist sealing material, is characterized in that: step 1) holding temperature be 120 DEG C ~ 140 DEG C.
10. the preparation method of road surface according to claim 8 tail gas degraded mist sealing material, is characterized in that: step 2) pH value be 1.5 ~ 2.5.
CN201510229000.3A 2015-05-07 2015-05-07 Pavement tail gas degradation fog sealing layer material and preparation method thereof Pending CN104804445A (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN105504842A (en) * 2016-01-12 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Emulsified asphalt material for degrading automobile exhaust and preparation method thereof
CN105802265A (en) * 2016-04-18 2016-07-27 南京道润交通科技有限公司 Composite type fog sealing layer material for bituminous pavement
CN105860554A (en) * 2016-04-21 2016-08-17 天津市公路工程总公司 Quick-setting and antiskid fog sealing layer material and preparation method
CN106189861A (en) * 2016-08-09 2016-12-07 广东省长大公路工程有限公司 Photocatalytic nanometer spray paint and preparation method thereof
CN106320127A (en) * 2016-08-18 2017-01-11 陕西长大博源公路养护科技有限公司 Recycling asphalt pavement
CN108102398A (en) * 2017-12-11 2018-06-01 山西省交通科学研究院 A kind of modified pitch of biology base photocatalytic degradation vehicle exhaust and preparation method thereof
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
CN109575877A (en) * 2019-01-21 2019-04-05 雷达 A kind of maintenance of surface binding material and preparation method thereof

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CN102190897A (en) * 2011-03-19 2011-09-21 重庆诚邦科技发展有限公司 Water-based road asphalt rehabilitating agent and preparation method thereof
CN103102700A (en) * 2011-11-10 2013-05-15 中国石油化工股份有限公司 Emulsified bitumen for degradation of automobile exhaust and preparation method thereof
CN103773007A (en) * 2012-10-19 2014-05-07 上海市政工程设计研究总院(集团)有限公司 Asphalt mixture additive and preparation method thereof

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105504842A (en) * 2016-01-12 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Emulsified asphalt material for degrading automobile exhaust and preparation method thereof
CN105802265A (en) * 2016-04-18 2016-07-27 南京道润交通科技有限公司 Composite type fog sealing layer material for bituminous pavement
CN105802265B (en) * 2016-04-18 2019-04-23 南京道润交通科技有限公司 A kind of compound mist sealing material of bituminous pavement
CN105860554B (en) * 2016-04-21 2019-10-01 天津市公路工程总公司 It is a kind of to coagulate antiskid type mist sealing material and preparation method fastly
CN105860554A (en) * 2016-04-21 2016-08-17 天津市公路工程总公司 Quick-setting and antiskid fog sealing layer material and preparation method
CN106189861A (en) * 2016-08-09 2016-12-07 广东省长大公路工程有限公司 Photocatalytic nanometer spray paint and preparation method thereof
CN106320127A (en) * 2016-08-18 2017-01-11 陕西长大博源公路养护科技有限公司 Recycling asphalt pavement
CN108102398A (en) * 2017-12-11 2018-06-01 山西省交通科学研究院 A kind of modified pitch of biology base photocatalytic degradation vehicle exhaust and preparation method thereof
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
CN109575877A (en) * 2019-01-21 2019-04-05 雷达 A kind of maintenance of surface binding material and preparation method thereof

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Application publication date: 20150729