CN103642393A - Waterproof paint for roads and bridges and preparation method thereof - Google Patents
Waterproof paint for roads and bridges and preparation method thereof Download PDFInfo
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- CN103642393A CN103642393A CN201310612242.1A CN201310612242A CN103642393A CN 103642393 A CN103642393 A CN 103642393A CN 201310612242 A CN201310612242 A CN 201310612242A CN 103642393 A CN103642393 A CN 103642393A
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Abstract
The invention provides a waterproof paint for roads and bridges and a preparation method thereof. The preparation method comprises the following steps: emulsifying 15-20 parts of rubber material, 5-8 parts of polymer emulsion and 8-12 parts of resin material in an emulsifying machine at 60-70 DEG C to obtain a rubber latex emulsifier mixed solution; and mixing the obtained rubber latex emulsifier mixed solution with 60-80 parts of heavy-duty road asphalt, 1-3 parts of film-forming assistant and 8-12 parts of defoaming agent in the emulsifying machine at 120-130 DEG C. The waterproof paint for roads and bridges has the advantages of heat resistance, cold resistance, acid resistance, alkali resistance, high softening point, long service life, favorable waterproof and impervious effects, wide raw material sources, accessible raw materials and simple preparation method.
Description
Technical field
The invention belongs to building materials field, relate in particular to a kind of road and bridge waterproof paint and preparation method thereof.
Background technology
At present, China generally adopts the road and bridge flexible materials system of mating formation to the liquid-tight manner of bridge structure, the water-proof material adopting is mainly SBS or APP (APAO) modified asphalt waterproof coiled material or building water-proof paint, as polyurethane water-proof paint, JS composite water-proof paint etc.But, due to road and bridge waterproof paint have its special performance requriements, for example, the waterproof layer mean thickness of filming can adapt to the road and bridge measuring body requirement of travelling load repeatedly when 1.2mm～2mm, and the needs that waterproof coating deflection meets not drawing crack when concrete road bridge plate cracking≤2mm are to guarantee waterproof requirement; Simultaneously waterproof layer should have good weather resistance, and working life should be more than 10 years, and environment for use temperature-15 ℃～90 ℃ do not affect the use properties of waterproof layer standing the pave impact of 150 ℃ of temperature of bituminous concrete.
Therefore, the existing bridge water-proof material of China can not practical requirement, in fact, the a lot of bridge structures of China cause bridge to occur infiltration because adopted water-proof material is improper, steel bar corrosion, the layer of mating formation peels off, and alkali-aggregate reaction and the badly damaged problems such as concrete expansion that caused by steel bar corrosion face have had a strong impact on comfortableness and the security of the soundness of bridge and work-ing life, driving.
Along with the develop rapidly of China's motorway and Urban Bridge Construction, the waterproof problem of resolving road and bridge has arrived instant stage.
Summary of the invention
The object of the present invention is to provide a kind of road and bridge waterproof paint, be intended to solve that existing water-proof material waterproof effect is poor, work-ing life is short, the problem such as acid and alkali-resistance not.
The present invention is achieved in that a kind of road and bridge waterproof paint, comprises following by each component of mass parts:
Preferably, waterproof paint also comprises 8～12 parts of softening agent described road and bridge.
Preferably, waterproof paint comprises following by each component of mass parts described road and bridge:
Preferably, described polymer emulsion is cation type emulsion; Described elastomeric material is cationic rubber latex, and the hydrophile-lipophile balance value of described polymer emulsion and elastomeric material, density, acid-basicity and surface tension are all identical.
Preferably, described polymer emulsion is at least one in styrene butadiene, Atactic Polypropelene, styrene-butadiene rubber(SBR), chloroprene rubber and regenerated rubber.
Preferably, described defoamer is at least one in polyvinyl ether, methyl alcohol, tbp and polypropylene glycol; Described softening agent is phthalic acid dibutylester.
Preferably, described resin material is at least one in vinylformic acid, resol and tetrafluoroethylene.
Preferably, described elastomeric material is at least one in chloroprene rubber latex and styrene butadiene rubber latex.
Preferably, described film coalescence aid is for being at least one in rock asphalt, synthetic rubber, acrylic copolymer and acrylic copolymer modified resin.
The preparation method who the present invention further provides a kind of road and bridge waterproof paint, comprises the following steps:
(1) 15～20 parts of elastomeric materials, 8～12 parts of softening agent, 5～8 parts of polymer emulsions and 8～12 parts of resin materials are carried out to emulsification with mulser at 60～70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) at 120～130 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 60～80 parts of heavy traffic paving asphalts, 1～3 part of film coalescence aid and 8～12 parts of defoamers, obtain road and bridge waterproof paint.
The present invention overcomes the deficiencies in the prior art, provide a kind of road and bridge waterproof paint and preparation method thereof, by 15～20 parts of elastomeric materials, 8～12 parts of softening agent, 5～8 parts of polymer emulsions and 8～12 parts of resin materials are carried out to emulsification with mulser at 60～70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution; After again the elastomer latex emulsifying agent mixed solution obtaining being mixed with 60～80 parts of heavy traffic paving asphalts, 1～3 part of film coalescence aid and 8～12 parts of defoamers, at 120～130 ℃ of temperature, with mulser, carry out being prepared from after emulsification.Road and bridge waterproof paint prepared by the present invention is heat-resisting cold-resistant, acid-fast alkali-proof, and softening temperature is high, long service life, water proof anti-seepage is respond well, in addition, and raw materials used wide material sources, simple and easy to get, preparation method is simple.
Embodiment
Technical scheme provided by the invention is: the invention provides a kind of road and bridge waterproof paint and preparation method thereof, by 15～20 parts of elastomeric materials, 5～8 parts of polymer emulsions and 8～12 parts of resin materials are carried out to emulsification with mulser at 60～70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution; After again the elastomer latex emulsifying agent mixed solution obtaining being mixed with 60～80 parts of heavy traffic paving asphalts, 1～3 part of film coalescence aid and 8～12 parts of defoamers, at 120～130 ℃ of temperature, with mulser, carry out being prepared from after emulsification.
In the present invention, polymer emulsion is cationic emulsifier, take heavy traffic paving asphalt as disperse phase, and water is the continuous phase of speed, relies on the electric charge of polymer emulsion and forms stable emulsified bitumen.Because emulsified bitumen is with cationic charge, and road and bridge aggregate with anionic charge, when emulsified bitumen contacts with aggregate surface, due to the effect that there is a natural attraction between the sexes, bitumen particle is absorbed on the surface of aggregate, both are in the situation that having moisture film, still can adsorb combination, thereby still can construct in dark and damp or low temperature season (more than 5 ℃) cationic asphalt emulsion, and do not affect quality, in addition,, because cationic emulsified bitumen can strengthen and aggregate surface adhesive power, improve early strength and the impermeability on road surface.
In the present invention, elastomeric material is a kind of organic elastomeric polymer compound, and it has very superior elasticity in very wide temperature range (50 ℃～150 ℃), and elastomeric material has good splitting resistance, weather resistance and fluid-tight feature simultaneously.Rubber latex material is that superpolymer particle is dispersed in the formed colloidal dispersion system with certain stability in water medium, and it has larger elongation under dry unvulcanized state, and can restore to the original state rapidly after removing external force.In addition, type rubber latex modified emulsified asphalt has satisfactory stability when high temperature, still has at low temperatures certain flexibility, and its penetration degree reduces, and softening temperature rises, and brittle point declines, and toughness and adhesivity improve.
On this basis, the present invention has further selected polychloroprene latex and styrene butadiene rubber latex as asphalt modifier.Wherein, polychloroprene latex have stronger adhesive capacity, preferably film-forming properties, higher intensity, also have good oil resistant, resistance to combustion, resistance to solvent, the performance such as heat-resisting and ageing-resistant simultaneously.But the greatest weakness of polychloroprene latex is the low and poor storage stability of cold tolerance, between the shelf lives, it not only colloidal property change, and cross-linked rubber film properties also decreases, in the present invention, by add softening agent in polychloroprene latex, can increase its cold tolerance.After above-mentioned processing, in the present invention, polychloroprene latex and emulsified bitumen mixing with obviously improving the performances such as the adhesivity of emulsified bitumen and thermostability and ageing resistance, resistance to chemical attack.Generally can cationic chloroprene latex and appropriate stablizer directly be mixed in cationic emulsified bitumen, through sufficient stirring or second emulsifying, make positively charged ion chloroprene rubber breast modified emulsifying asphalt product, this product has good ageing-resistant performance and impervious and good thermostability and adhesivity.Anti-crack resistance at low-temperature also makes moderate progress simultaneously.This product can be used for the water-proof material of high-grade highway and the water-proof material of heavy traffic road surface and road and bridge and bridge tunnel and underground works, also can be used for the packing material of special construction movement joint.This material is particularly useful for the ordinary maintenance maintenance on high-grade highway and heavy traffic road road surface, still first adopt neoprene latex modification scheme.
In addition, styrene-butadiene latex is with divinyl and two kinds of monomers of vinylbenzene, is dispersed in the aqueous solution that contains soap class emulsifying agent, and adds initiator, and at 40～60 ℃, emulsion is polymerized.Styrene-butadiene latex is the good universal synthetic latex of over-all properties, though its thin film physics mechanical property is more much lower than natural rubber latex, but because it has good ageing resistance, thermotolerance and erosion resistance and higher dilution stability, and it wide in variety, price is low, therefore, it is widely used in the material modification in road and civil construction project.In the present invention, styrene-butadiene latex and emulsified bitumen mixing are also had to good thermostability and weather resistance with prepared styrene butadiene rubber latex modifying asphalt.In emulsified bituminous materials, mix 2%～4% styrene butadiene rubber latex, can make the softening temperature of emulsified bitumen improve, low-temperature ductility increases, and fragility reduces, and have good dilution stability, and styrene butadiene rubber latex is wide in variety, price is low.
In the modified emulsifying asphalt system of road and bridge of the present invention waterproof paint, if certain particle (A/R particulate, R particle, A microballon) interfacial film breaks, this particle will be adsorbed in its other particle around so, thereby cause breaking of these particle interface films, these particles are again by the many particles around absorption separately, so just formed the agglomerates centered by that initial particle, produce coagulation phenomenon, thereby cause the unbalanced factor of whole system a lot, for example one of rubber latex (properties-correcting agent) and emulsified bitumen polymer emulsion used is cationic, one is anionic, A microballon is different with the interfacial charge on R particle like this, after both meet, because the charges of different polarity attract mutually, thereby can cause immediately that interfacial film breaks there is coagulation phenomenon.And for example the density of polymer emulsion and rubber latex is inconsistent, and after both meet, thereby the large particle of density will sink to causing whole system coagulation.And for example two emulsion acid-basicity are different, thereby by there is neutralization of acid with base, the diffusion double layer in emulsion destroyed after meeting, and cause system coagulation.When therefore two emulsions must meet following condition simultaneously, could stablize and coexist.
(1) emulsifier type is consistent.It is cationic that two kinds of emulsions are both, or be both anionic, or cationic and non-ionic type, or anionic and non-cationic type.And cationic and anionic only take particular form just can coexist.
(2) hydrophilic-lipophilic balance (HLB) value is consistent.Similar emulsifier hlb value should be identical or approaching.Be that asphalt emulsifier meets the emulsification requirement to rubber, latex rubber agent also can meet the emulsification requirement to pitch.
(3) consistent in density.Rubber latex should approach with pitch density of latex identical or as far as possible.
(4) acid-basicity (pH value) is consistent.Two emulsion pH values coexist in acidity or the alkaline range that coexists, and pH value is identical or approach as far as possible.
(5) surface tension is consistent.The surface tension of two emulsions should approach identical or as far as possible.
If have one can not meet in above 5 conditions, all can cause that the system that coexists produces coagulation and destroyed.These five conditions are preparation and the prerequisite that keeps emulsion-stabilizing.In addition, also should meet following two basic demands simultaneously.If can not meet this two basic demands, prepared modified emulsifying asphalt will not have practical value, therefore just lose practical significance yet.These two basic demands are:
1. consistency is good.After finger breakdown of emulsion, rubber and pitch can be fully miscible and not stratified.The good competence exertion of consistency superiority separately, plays the effect of mutual supplement with each other's advantages, obtains good modified effect.
2. meet service requirements.Emulsified bitumen de-emulsification speed after modification, adhesivity etc. meet service requirements, and the every use properties after breakdown of emulsion moulding should reach relevant art index request.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
(1) 15kg chloroprene rubber latex, 8kg styrene butadiene and 12kg vinylformic acid are carried out to emulsification with mulser at 70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) at 130 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 60kg heavy traffic paving asphalt, 1kg rock asphalt and 12kg polyvinyl ether, obtain road and bridge waterproof paint 1.
Embodiment 2
(1) 20kg styrene butadiene rubber latex, 5kg Atactic Polypropelene and 8kg resol are carried out to emulsification with mulser at 60 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) at 120 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 80kg heavy traffic paving asphalt, 3kg synthetic rubber and 8kg tbp, obtain road and bridge waterproof paint 2.
Embodiment 3
(1) 10kg chloroprene rubber, 5kg styrene butadiene rubber latex, 8kg phthalic acid dibutylester, 2kg styrene-butadiene rubber(SBR), 5kg chloroprene rubber and 8kg tetrafluoroethylene are carried out to emulsification with mulser at 70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) at 130 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 60kg heavy traffic paving asphalt, 1kg acrylic copolymer and 12kg polypropylene glycol, obtain road and bridge waterproof paint 3.
Embodiment 4
(1) 10kg chloroprene rubber, 10kg styrene butadiene rubber latex, 12kg phthalic acid dibutylester, 5kg styrene butadiene rubber polymeric emulsion and 12kg tetrafluoroethylene are carried out to emulsification with mulser at 65 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) will after the elastomer latex emulsifying agent mixed solution obtaining in step (1) and 80kg heavy traffic paving asphalt, 3kg acrylic copolymer modified resin and 8kg methanol mixed, at 125 ℃ of temperature, with mulser, carry out emulsification, obtain road and bridge waterproof paint 4.
Embodiment 5
(1) 9kg chloroprene rubber latex, 9kg styrene butadiene rubber latex elastomeric material, 10kg phthalic acid dibutylester, 7kg chloroprene rubber and 10kg tetrafluoroethylene are carried out to emulsification with mulser at 65 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;
(2) at 125 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 70kg heavy traffic paving asphalt, 2kg acrylic copolymer and 10kg tbp, obtain road and bridge waterproof paint 5.
Effect embodiment
Choose the road and bridge waterproof paint of preparing in above-described embodiment and 1 to 5 carry out performance test, testing method and standard are: standard JC/T408-2005 water-latex type asphalt waterproofing paint, JC/T975-2005 be waterproof paint, JT/T535-2004 road and bridge use asphaltic base waterproof paint for bridge.
The performance test results is as follows:
1, solids content >=43 45%;
2, time of drying: surface drying time 4h, does solid work time≤24h;
3, thermotolerance: heat 5h at 150 ℃ ± 2 ℃ temperature, coating surface, without bubbling without trickling, heats 5h without bubbling without trickling at 160 ℃ ± 2 ℃ temperature;
4, elongation at break: non-processor >=400%, heat treated >=320%, alkaline purification >=240%, UV treatment >=320%;
5, low temperature flexibility:
flawless at-10 ℃ and-15 ℃ of 10mm rods;
6, under watertightness: 0.2MPa and 0.3MPa pressure, 30min does not seep water;
7, cohesive strength: >=0.3 (MPa).
Test result shows, road and bridge of the present invention waterproof paint 1 to 5 all higher than prior art standard-required, product performance are outstanding.
Compare the shortcoming and defect with prior art, the present invention has following beneficial effect: road and bridge of the present invention waterproof paint heat-resisting cold-resistant, acid-fast alkali-proof, softening temperature is high, long service life, water proof anti-seepage is respond well; Road and bridge of the present invention, method of producing waterproof coating material was simple, and raw material sources are extensive, simple and easy to get.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
- Road and bridge a waterproof paint, it is characterized in that, comprise following by each component of mass parts:
- Road and bridge as claimed in claim 1 waterproof paint, it is characterized in that, described road and bridge waterproof paint also comprise 8～12 parts of softening agent.
- Road and bridge as claimed in claim 2 waterproof paint, it is characterized in that, described road and bridge waterproof paint comprise following by each component of mass parts:
- Road and bridge as claimed in claim 3 waterproof paint, it is characterized in that, described polymer emulsion is cation type emulsion; Described elastomeric material is cationic rubber latex, and the hydrophile-lipophile balance value of described polymer emulsion and elastomeric material, density, acid-basicity and surface tension are all identical.
- Road and bridge as claimed in claim 4 waterproof paint, it is characterized in that, described polymer emulsion is at least one in styrene butadiene, Atactic Polypropelene, styrene-butadiene rubber(SBR), chloroprene rubber and regenerated rubber.
- Road and bridge as claimed in claim 5 waterproof paint, it is characterized in that, described defoamer is at least one in polyvinyl ether, methyl alcohol, tbp and polypropylene glycol; Described softening agent is phthalic acid dibutylester.
- Road and bridge as claimed in claim 6 waterproof paint, it is characterized in that, described resin material is at least one in vinylformic acid, resol and tetrafluoroethylene.
- Road and bridge as claimed in claim 7 waterproof paint, it is characterized in that, described elastomeric material is at least one in chloroprene rubber latex and styrene butadiene rubber latex.
- Road and bridge as claimed in claim 8 waterproof paint, it is characterized in that, described film coalescence aid is for being at least one in rock asphalt, synthetic rubber, acrylic copolymer and acrylic copolymer modified resin.
- Road and bridge waterproof paint a preparation method, it is characterized in that comprising the following steps:(1) 15～20 parts of elastomeric materials, 8～12 parts of softening agent, 5～8 parts of polymer emulsions and 8～12 parts of resin materials are carried out to emulsification with mulser at 60～70 ℃ of temperature, obtain elastomer latex emulsifying agent mixed solution;(2) at 120～130 ℃ of temperature, with mulser, carry out emulsification after the elastomer latex emulsifying agent mixed solution obtaining in step (1) is mixed with 60～80 parts of heavy traffic paving asphalts, 1～3 part of film coalescence aid and 8～12 parts of defoamers, obtain road and bridge waterproof paint.
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| CN201310612242.1A CN103642393A (en) | 2013-11-28 | 2013-11-28 | Waterproof paint for roads and bridges and preparation method thereof |
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| CN201310612242.1A CN103642393A (en) | 2013-11-28 | 2013-11-28 | Waterproof paint for roads and bridges and preparation method thereof |
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| CN104252106A (en) * | 2014-09-18 | 2014-12-31 | 南京理工大学 | Colored toner prepared through in-situ miniemulsion polymerization and electrostatic agglomeration and preparation method thereof |
| WO2016008372A1 (en) * | 2014-07-12 | 2016-01-21 | 广西金雨伞防水装饰有限公司 | Bridged-type waterproof coating material, and production method and use therefor |
| CN105482706A (en) * | 2016-01-27 | 2016-04-13 | 杭州虹桥防水科技有限公司 | Production process of high-elasticity rubber asphalt coating |
| CN105623509A (en) * | 2014-12-11 | 2016-06-01 | 宁夏宁东瑞华新材料科技有限公司 | Rubber asphalt composite material with excellent cold resistance |
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| CN106065288A (en) * | 2016-07-19 | 2016-11-02 | 董芬芳 | A kind of metal water-repellent preservation antirusting paint |
| CN108047518A (en) * | 2017-12-01 | 2018-05-18 | 刘滨 | A kind of bridge floor waterproofing paint |
| CN109355041A (en) * | 2018-10-25 | 2019-02-19 | 陈云 | A kind of asphalt modification water-proof emulsion and preparation method thereof |
| CN113416490A (en) * | 2021-05-29 | 2021-09-21 | 山东哈力克新材料科技有限公司 | Asphalt pavement maintenance coating material and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016008372A1 (en) * | 2014-07-12 | 2016-01-21 | 广西金雨伞防水装饰有限公司 | Bridged-type waterproof coating material, and production method and use therefor |
| CN105273507A (en) * | 2014-07-12 | 2016-01-27 | 卢桂才 | Reactive waterproof coating |
| CN104252106B (en) * | 2014-09-18 | 2018-07-31 | 南京理工大学 | A kind of color toner and its method using mini-emulsion polymerization and electrostatic coagulation preparation in situ |
| CN104252106A (en) * | 2014-09-18 | 2014-12-31 | 南京理工大学 | Colored toner prepared through in-situ miniemulsion polymerization and electrostatic agglomeration and preparation method thereof |
| CN105623509A (en) * | 2014-12-11 | 2016-06-01 | 宁夏宁东瑞华新材料科技有限公司 | Rubber asphalt composite material with excellent cold resistance |
| CN105482706A (en) * | 2016-01-27 | 2016-04-13 | 杭州虹桥防水科技有限公司 | Production process of high-elasticity rubber asphalt coating |
| CN105482706B (en) * | 2016-01-27 | 2018-05-01 | 杭州虹桥防水科技有限公司 | A kind of production technology of elastomer pitch film |
| CN105860555A (en) * | 2016-04-27 | 2016-08-17 | 大禹伟业(北京)国际科技有限公司 | Ultralow-temperature-resistant high-strength rubber asphalt waterproof material, and preparation and construction methods thereof |
| CN106065288A (en) * | 2016-07-19 | 2016-11-02 | 董芬芳 | A kind of metal water-repellent preservation antirusting paint |
| CN108047518A (en) * | 2017-12-01 | 2018-05-18 | 刘滨 | A kind of bridge floor waterproofing paint |
| CN109355041A (en) * | 2018-10-25 | 2019-02-19 | 陈云 | A kind of asphalt modification water-proof emulsion and preparation method thereof |
| CN109355041B (en) * | 2018-10-25 | 2020-07-24 | 广东雄辉市政公用工程有限公司 | Asphalt modified waterproof emulsion and preparation method thereof |
| CN113416490A (en) * | 2021-05-29 | 2021-09-21 | 山东哈力克新材料科技有限公司 | Asphalt pavement maintenance coating material and preparation method thereof |
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Application publication date: 20140319 |