CN102617070B - Polyurethane asphalt concrete as well as preparation method and application thereof - Google Patents
Polyurethane asphalt concrete as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN102617070B CN102617070B CN201210080221.5A CN201210080221A CN102617070B CN 102617070 B CN102617070 B CN 102617070B CN 201210080221 A CN201210080221 A CN 201210080221A CN 102617070 B CN102617070 B CN 102617070B
- Authority
- CN
- China
- Prior art keywords
- asphalt
- polyurethane
- polyurethane prepolymer
- concrete
- accounts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 44
- 239000004814 polyurethane Substances 0.000 title claims abstract description 44
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000010426 asphalt Substances 0.000 claims abstract description 45
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 235000019738 Limestone Nutrition 0.000 claims abstract description 11
- 239000006028 limestone Substances 0.000 claims abstract description 11
- 239000002585 base Substances 0.000 claims description 28
- 239000004567 concrete Substances 0.000 claims description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 22
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- -1 polyol compound Chemical class 0.000 claims description 22
- 239000004902 Softening Agent Substances 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 15
- 229920005862 polyol Polymers 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 11
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 10
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229920005906 polyester polyol Polymers 0.000 claims description 6
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 6
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000002283 diesel fuel Substances 0.000 claims description 5
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 5
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 4
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 239000005056 polyisocyanate Substances 0.000 claims description 3
- 229920001228 polyisocyanate Polymers 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- IOMMMLWIABWRKL-WUTDNEBXSA-N nazartinib Chemical compound C1N(C(=O)/C=C/CN(C)C)CCCC[C@H]1N1C2=C(Cl)C=CC=C2N=C1NC(=O)C1=CC=NC(C)=C1 IOMMMLWIABWRKL-WUTDNEBXSA-N 0.000 claims 1
- 150000003077 polyols Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000005431 greenhouse gas Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 150000005846 sugar alcohols Polymers 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- NOGFHTGYPKWWRX-UHFFFAOYSA-N 2,2,6,6-tetramethyloxan-4-one Chemical compound CC1(C)CC(=O)CC(C)(C)O1 NOGFHTGYPKWWRX-UHFFFAOYSA-N 0.000 description 1
- GSEKYIWUAPZIEF-UHFFFAOYSA-N Ismine Chemical compound CNC1=CC=CC=C1C(C(=C1)CO)=CC2=C1OCO2 GSEKYIWUAPZIEF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses polyurethane asphalt concrete prepared from aggregate, diluted asphalt and polyurethane prepolymer which serve as raw materials, wherein the aggregate is basalt, diabase or limestone; the diluted asphalt is a mixture formed by diluting road petroleum asphalt and gasoline or diesel at a weight ratio of 100:(18-100); and the polyurethane prepolymer is prepared by reacting isocyanate with a polyalcohol compound, a catalyst and a plasticizer. The polyurethane asphalt concrete serving as cool-mixed and cool-spread type asphalt concrete is applied to pavement or repair of an asphalt road surface; compared with the conventional hot state technology for a hot-mixed and hot-repaired asphalt mixture, the polyurethane asphalt concrete has the advantages that the energy is saved, emission of a large amount of greenhouse gas and emission of toxic and harmful gas during asphalt heating are reduced, the surrounding environment is protected, and the environment pollution is reduced; and furthermore, the polyurethane asphalt concrete is operated easily and high in efficiency and cannot be limited by a transparent condition, a repair dispersion condition and the like during production and construction.
Description
Technical field
The present invention relates to a kind of bituminous concrete, be specifically related to a kind of polyurethane asphalt concrete and its production and use.
Background technology
In recent decades, along with improving constantly of road quality classification, bituminous material is had higher requirement, impel its research work further to carry out in a deep going way.Various modifying asphalts have been there are, in toward pitch, mix rubber, resin, sulphur and other superpolymer, improve the pavement performance of bituminous concrete, but traditional asphalt is all heat mixes thermopave, adopt asphalt cement as binder, pitch and mineral aggregate need to be constructed at hot lower mix, hot lower making.Obviously the energy consumption needing is high, large on the impact of environment, and corresponding material cost has also increased.Therefore, many investigators are devoted to find and can substitute the method that heat is mixed production.Under this target, cold mixing cold laid asphaltic compound arises at the historic moment.
But on market, the moulding product of wide popularization and application is all solvent-borne type cold-mix asphalt compounds in recent years, and the application of the cold-mix asphalt compound of response type still belongs to blank on market at home and abroad at present.Although traditional cold-mix asphalt compound can be realized to a certain extent under normal temperature and mix and stir construction, reduce energy consumption, but relative hot mix asphalt material, the volatilization of its solvent causes environmental pollution, pavement performance poor, the shortcoming of poor durability also manifests gradually, cannot meet the requirement to bituminous material now.
Summary of the invention
The object of the present invention is to provide the polyurethane asphalt concrete of a kind of pavement performance excellence, cold mixing cold-application.
Another object of the present invention is to provide above-mentioned polyurethane asphalt concrete preparation method.
Another object of the present invention be to provide above-mentioned polyurethane asphalt concrete bituminous pavement pave or repair in application.
The object of the invention realizes by following technical measures:
A concrete, is characterized in that: it by gathering materials, fluxed asphalt and base polyurethane prepolymer for use as be that raw material makes; Described gathering materials for basalt, diabase or limestone, to be bi tumenf orr oad and gasoline or diesel oil count 100: 18～mixture after 100 dilution proportion with weight ratio to described fluxed asphalt, and described base polyurethane prepolymer for use as is to take isocyanic ester and polyol compound, catalyzer, softening agent to make as raw material reaction.
In order further to improve the concrete pavement performance of polyurethane asphalt of the present invention, above-mentioned gathering materials is divided into coarse aggregate and fine aggregate, described coarse aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of < Φ≤9.5 millimeter, described fine aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of Φ <, is respectively by weight percentage: fine aggregate accounts for 30%～50%, coarse aggregate accounts for 50～70%.Clear and definite in nominal particle diameter art technology handbook for thick, fine aggregate, take 4.75mm as boundary, but all there is no nominal particle diameter, be gathering materials of 4.75mm.
In order further to improve polyurethane asphalt concrete pavement performance of the present invention and weather resistance, above-mentionedly gather materials, fluxed asphalt and base polyurethane prepolymer for use as be respectively 100: 3～8: 0.2～4 by weight.
Specifically, in the raw materials of above-mentioned base polyurethane prepolymer for use as, the composition of each component is respectively by weight percentage:
Described isocyanic ester is tolylene diisocyanate (TDI), poly methylene poly phenyl poly isocyanate or hexamethylene diisocyanate; Described polyol compound is polyoxyethylene glycol, polyether glycol or polyester polyol, described polyester polyol preferably adopts commercially available benzoic anhydride polyester polyol CZP-400, polyester polyol HT218 or polyester polyol PS-3152 etc., and described polyether glycol preferably adopts commercially available polyether glycol 1618, polyether glycol HSH206 or polyether glycol 4110 etc.; Described catalyzer is dibutyl tin dilaurate (DBDTL) or triethylenediamine; Described softening agent is dioctyl phthalate (DOP) (DOP) or dibutyl phthalate (DBP).
More preferably, above-mentioned base polyurethane prepolymer for use as follows these steps to make:
By above-mentioned weight proportion, above-mentioned polyol compound is added to reactor; 100～120 ℃ of temperature in the kettle; vacuumize after dehydration 2～3h; be cooled to 60～70 ℃; add in proportion more above-mentioned isocyanic ester, catalyzer, softening agent; under nitrogen protection condition, at 80～90 ℃, react 4h and be cooled to 60 ℃ of left and right, obtain base polyurethane prepolymer for use as.
More particularly, a kind of polyurethane asphalt concrete, is characterized in that: it by gathering materials, fluxed asphalt and base polyurethane prepolymer for use as be that raw material makes; Described gathering materials is comprised of with the coarse aggregate that accounts for 60% fine aggregate that accounts for 40%, by weight percentage, wherein coarse aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of < Φ≤9.5 millimeter, fine aggregate is basalt, diabase or limestone, and nominal particle diameter is 4.75 millimeters of Φ <; Described fluxed asphalt is 70# bi tumenf orr oad and gasoline or the diesel oil mixture after with the dilution proportion of weight ratio 100: 37～55; Described base polyurethane prepolymer for use as is to take isocyanic ester and polyol compound, catalyzer, softening agent to make as raw material reaction, wherein isocyanic ester accounts for 26%, polyol compound accounts for 55%, catalyzer accounts for 1.5%, softening agent accounts for 17.5%, by weight percentage, described isocyanic ester is 1, hexamethylene-diisocyanate, described polyol compound is polyoxyethylene glycol, and described catalyzer is or triethylenediamine that described softening agent is dibutyl phthalate (DBP); Describedly gather materials, fluxed asphalt and base polyurethane prepolymer for use as be respectively 100: 4.5: 2 by weight.
The concrete preparation method of above-mentioned polyurethane asphalt, is characterized in that, as follows:
1) preparation of base polyurethane prepolymer for use as
By above-mentioned weight proportion, above-mentioned polyol compound is added to reactor, 100～120 ℃ of temperature in the kettle, vacuumize after dehydration 2～3h, be cooled to 60～70 ℃, add in proportion more above-mentioned isocyanic ester, catalyzer, softening agent, under nitrogen protection condition, at 80～90 ℃, react 4h and be cooled to 60 ℃ of left and right, base polyurethane prepolymer for use as;
2) the concrete preparation of polyurethane asphalt
Above-mentioned fluxed asphalt is mixed according to the above ratio with above-mentioned base polyurethane prepolymer for use as, stir and make polyurethane asphalt; Above-mentioned gathering materials stirred in container, and then, in proportion to the polyurethane asphalt making described in adding in container, under normal temperature, mix is even, and vacuum packaging obtains high performance polyurethane bituminous concrete of the present invention.
Above-mentioned polyurethane asphalt concrete bituminous pavement pave or repair in application.
Above-mentioned application, the scene that specifically the packaged polyurethane asphalt concrete of above-mentioned preparation is transported to directly pave or repair tunnel, maintenance gets final product open to traffic for 1～3 day.
The present invention has following beneficial effect:
1, polyurethane asphalt concrete of the present invention, as cold mixing cold-application formula bituminous concrete, be applied to bituminous pavement paving or repairing, with respect to traditional heat, mix the hot technology of vulcanizing asphalt, save energy not only, and reduced the discharge of toxic and harmful in a large amount of greenhouse gases and asphalt heating process, protected periphery environment, reduced environmental pollution; And it is easy and simple to handle in producing and constructing, efficiency is high, be not subject to the restriction of the conditions such as transportation, repairing dispersion.
2, adopt polyurethane asphalt concrete speading of the present invention, Reparation of Bituminous Pavement, with low cost, its pavement performance excellence, as 60 ℃ of Marshall stabilitys can reach 50～70KN (and 60 ℃ of Marshall stabilitys of conventional bituminous concrete feed supplement are at 3.5～4.5KN), excellent in durability, 600 μ ε strain four-point bending girder > fatigue lifetime 1000000 (N
f); Adopt simultaneously the concrete curing time of polyurethane asphalt shorter, be 1～3 day, and curing temperature can tolerate the low temperature of 0～10 ℃ but need maintenance about 3 days, summer high temperature maintenance effect is better only needs maintenance to get final product quick open to traffic in 1 day, has larger application prospect.Polyurethane asphalt concrete of the present invention is a kind of material of response type, under external environment, there is consolidation reaction, make compound form intensity, not only there is traditional cold-mixed asphaltic concrete, and its pavement performance is excellent, reduce environmental pollution, and greatly extended road surface work-ing life, in the application of cold-mixed asphaltic concrete, opened up new research field.
Embodiment
Below by example, the present invention is specifically described.Be necessary to be pointed out that at this; following instance is only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to foregoing invention content.
Embodiment 1
A concrete, makes as follows:
90kg polyether Glycols (molecular weight 1000) is added to reactor; 100～120 ℃ of temperature in the kettle; vacuumize after dehydration 2～3h; be cooled to 60～70 ℃, add 18kg poly methylene poly phenyl poly isocyanate, 0.24kg dibutyl tin dilaurate (DBDTL); 12kg o-phthalic acid dibutyl ester (DOP); under nitrogen protection condition, at 80～90 ℃, react 4h and be cooled to 60 ℃ of left and right, make base polyurethane prepolymer for use as.
60kg bi tumenf orr oad (70#) is heated to, after fusing, mix with 60kg gasoline, stirs, make fluxed asphalt.
Choose 1.6t basalt fine aggregate, 2.4t basalt coarse aggregate (coarse aggregate nominal particle diameter is 4.75 millimeters of < Φ≤9.5 millimeter, and fine aggregate nominal particle diameter is 4.75 millimeters of Φ <), standby.The fluxed asphalt making is mixed with base polyurethane prepolymer for use as, stir and make polyurethane asphalt; Coarse aggregate and fine aggregate are stirred in container, then in container, add prepared polyurethane asphalt, mix is even at normal temperatures, obtains high performance polyurethane bituminous concrete 1#.
Embodiment 2
A concrete, makes as follows:
72kg polyoxyethylene glycol (molecular weight 400) is added to reactor; 100～120 ℃ of temperature in the kettle; vacuumize after dehydration 2～3h; be cooled to 60～70 ℃, add 36kg tolylene diisocyanate (TDI), 0.4kg triethylenediamine; 12kg dibutyl phthalate (DBP) (DBP); under nitrogen protection condition, at 80～90 ℃, react 4h and be cooled to 60 ℃ of left and right, make base polyurethane prepolymer for use as.
60kg bi tumenf orr oad (70#) is heated to, after fusing, mix with 60kg diesel oil, stirs, make fluxed asphalt.
Next according to the method identical with embodiment 1, make high performance polyurethane bituminous concrete 2#.
Embodiment 3
A concrete, makes as follows:
88kg polyether Glycols (molecular weight 1000) is added to reactor; 100～120 ℃ of temperature in the kettle; vacuumize after dehydration 2～3h, be cooled to 60～70 ℃, add 20kg 1; hexamethylene-diisocyanate; 0.48kg dibutyl tin dilaurate (DBDTL), 12kg o-phthalic acid dibutyl ester (DOP), under nitrogen protection condition; at 80～90 ℃, react 4h and be cooled to 60 ℃ of left and right, make base polyurethane prepolymer for use as.
60kg bi tumenf orr oad (70#) is heated to, after fusing, mix with 60kg gasoline, stirs, make fluxed asphalt.
Next according to the method identical with embodiment 1, make high performance polyurethane bituminous concrete 3#.
By polyurethane asphalt concrete of the present invention according to standard < < highway engineering pitch and Asphalt Mixture Experiment rules (JTJ E20-2011) > > shaping test piece, health and test.
Polyurethane asphalt concrete is pressed the test result of JTJE20-2011
From the test result of above three embodiment, can find out, the high performance polyurethane bituminous concrete stability prepared by the present invention is good, the high feature with pavement performance excellence of freeze thawing cleavage strength, endurance quality is excellent simultaneously, improved the poor inferior position of traditional cold mixing cold laid asphaltic concrete pavement performance, and have the advantage of cold-mixed asphaltic concrete concurrently, lower cost has great application value in Practical Project.
Embodiment 4～9
A concrete, raw material and the proportioning thereof of according to the form below make, and all the other are with embodiment 1.
The polyurethane asphalt concrete that above-described embodiment makes is tested through JTJ E20-2011,60 ℃ of Marshall stabilitys (KN) are 58～65, immersion Marshall residual stability is 91～95%, 60 ℃ of dynamic stabilities (mm/ time) are 10500～21000, freeze thawing Ratio of split strength is 90%～93%, 600 μ ε strain four-point bending girder (N fatigue lifetime
f) > 1000000; This polyurethane asphalt concrete pavement performance and endurance quality are excellent, and have the advantage of cold-mixed asphaltic concrete concurrently.
Claims (6)
1. a polyurethane asphalt concrete, is characterized in that: it by gathering materials, fluxed asphalt and base polyurethane prepolymer for use as be that raw material makes; Described gathering materials for basalt, diabase or limestone, described fluxed asphalt is bi tumenf orr oad and gasoline or the diesel oil mixture after with the dilution proportion of weight ratio 100:18 ~ 100, and described base polyurethane prepolymer for use as is to take isocyanic ester and polyol compound, catalyzer, softening agent to make as raw material reaction; Describedly gather materials, fluxed asphalt and base polyurethane prepolymer for use as be respectively 100:3 ~ 8:0.2 ~ 4 by weight; In the raw materials of described base polyurethane prepolymer for use as, the composition of each component is respectively by weight percentage:
Isocyanic ester 10 ~ 30%
Polyol compound 47 ~ 80%
Catalyzer 0.1 ~ 3%
Softening agent 1 ~ 20%;
Described isocyanic ester is tolylene diisocyanate (TDI), poly methylene poly phenyl poly isocyanate or hexamethylene diisocyanate; Described polyol compound is polyoxyethylene glycol, polyether glycol or polyester polyol; Described catalyzer is dibutyl tin dilaurate (DBDTL) or triethylenediamine; Described softening agent is dioctyl phthalate (DOP) (DOP) or dibutyl phthalate (DBP).
2. polyurethane asphalt concrete as claimed in claim 1, it is characterized in that: described in gather materials and be divided into coarse aggregate and fine aggregate, described coarse aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of < Φ≤9.5 millimeter, described fine aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of Φ <, is respectively by weight percentage: fine aggregate accounts for 30% ~ 50%, coarse aggregate accounts for 50 ~ 70%.
3. polyurethane asphalt concrete as claimed in claim 1, is characterized in that: described base polyurethane prepolymer for use as follows these steps to make:
By described weight proportion, described polyol compound is added to reactor; 100 ~ 120 ℃ of temperature in the kettle; vacuumize after dehydration 2 ~ 3h; be cooled to 60 ~ 70 ℃; add in proportion more described isocyanic ester, catalyzer, softening agent; under nitrogen protection condition, at 80 ~ 90 ℃, react 4h and be cooled to 60 ℃, obtain base polyurethane prepolymer for use as.
4. polyurethane asphalt concrete as claimed in claim 1, is characterized in that: it by gathering materials, fluxed asphalt and base polyurethane prepolymer for use as be that raw material makes; Described gathering materials is comprised of with the coarse aggregate that accounts for 60% fine aggregate that accounts for 40%, by weight percentage, wherein coarse aggregate is basalt, diabase or limestone, nominal particle diameter is 4.75 millimeters of < Φ≤9.5 millimeter, fine aggregate is basalt, diabase or limestone, and nominal particle diameter is 4.75 millimeters of Φ <; Described fluxed asphalt is 70# bi tumenf orr oad and gasoline or the diesel oil mixture after with the dilution proportion of weight ratio 100:37～55; Described base polyurethane prepolymer for use as is to take isocyanic ester and polyol compound, catalyzer, softening agent to make as raw material reaction, wherein isocyanic ester accounts for 26%, polyol compound accounts for 55%, catalyzer accounts for 1.5%, softening agent accounts for 17.5%, by weight percentage, described isocyanic ester is 1, hexamethylene-diisocyanate, described polyol compound is polyoxyethylene glycol, and described catalyzer is triethylenediamine, and described softening agent is dibutyl phthalate (DBP); Describedly gather materials, fluxed asphalt and base polyurethane prepolymer for use as be respectively 100:4.5:2 by weight.
5. preparation method as concrete in polyurethane asphalt as described in claim 1～4 any one, is characterized in that, as follows:
1) preparation of base polyurethane prepolymer for use as
By above-mentioned weight proportion, above-mentioned polyol compound is added to reactor, 100 ~ 120 ℃ of temperature in the kettle, vacuumize after dehydration 2 ~ 3h, be cooled to 60 ~ 70 ℃, add in proportion more above-mentioned isocyanic ester, catalyzer, softening agent, under nitrogen protection condition, at 80 ~ 90 ℃, react 4h and be cooled to 60 ℃, base polyurethane prepolymer for use as;
2) the concrete preparation of polyurethane asphalt
Above-mentioned fluxed asphalt is mixed according to the above ratio with above-mentioned base polyurethane prepolymer for use as, stir and make polyurethane asphalt; Above-mentioned gathering materials stirred in container, and then, in proportion to the polyurethane asphalt making described in adding in container, under normal temperature, mix is even, obtains polyurethane asphalt concrete.
6. polyurethane asphalt concrete as described in claim 1～4 any one is applied to paving or repairing of bituminous pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080221.5A CN102617070B (en) | 2012-03-23 | 2012-03-23 | Polyurethane asphalt concrete as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080221.5A CN102617070B (en) | 2012-03-23 | 2012-03-23 | Polyurethane asphalt concrete as well as preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102617070A CN102617070A (en) | 2012-08-01 |
| CN102617070B true CN102617070B (en) | 2014-02-19 |
Family
ID=46557345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210080221.5A Active CN102617070B (en) | 2012-03-23 | 2012-03-23 | Polyurethane asphalt concrete as well as preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102617070B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776213A (en) * | 2018-05-07 | 2018-11-09 | 北京建筑大学 | It is a kind of based on the high molecular polymer fatigue life of concrete evaluation method strained greatly |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176988B (en) * | 2014-08-22 | 2016-04-06 | 北京艾施姆科技有限公司 | Organic/inorganic composite material of a kind of quick reparation asphalt pavement pit and preparation method thereof |
| CN106145776A (en) * | 2015-03-25 | 2016-11-23 | 交通运输部公路科学研究所 | A kind of polyurethane-polyurea modified asphalt mixture and preparation thereof and application |
| CN106317371B (en) * | 2015-06-25 | 2019-02-26 | 交通运输部公路科学研究所 | A method of preparing polyurethane based on castor oil modified pitch and its mixture |
| US20180312437A1 (en) * | 2015-06-24 | 2018-11-01 | Research Institute Of Highway Ministry Of Transport | Polyurethane, modified asphalt and mixture material containing same and pavement structure |
| CN105819750B (en) * | 2016-03-10 | 2018-04-10 | 重庆三峰环境产业集团有限公司 | Clean applications of the domestic garbage incineration flyash directly as the filler of asphalt and its in road surface |
| CN105801002B (en) * | 2016-03-31 | 2018-03-30 | 北京大陆益通环保科技有限公司 | A kind of processing method of polyurethane rubber concrete material and the material |
| CN105884275B (en) * | 2016-04-08 | 2018-11-09 | 广州市克来斯特建材科技有限公司 | A kind of elastic concrete and preparation method thereof |
| CN106673503B (en) * | 2016-12-30 | 2018-06-15 | 长安大学 | A kind of Steel Bridge Deck composite modified asphalt mixture and preparation method thereof |
| CN106674991A (en) * | 2017-01-19 | 2017-05-17 | 安徽建筑大学 | Modified polyurethane cold-patch liquid, preparation method and use method |
| CN107794821B (en) * | 2017-09-29 | 2020-09-29 | 河海大学 | Asphalt pavement with heat transfer directivity and heat conduction effect testing method thereof |
| CN110894702A (en) * | 2018-09-13 | 2020-03-20 | 花基益 | Method for producing cold-melt asphalt |
| CN111892334A (en) * | 2019-05-05 | 2020-11-06 | 河北德瑞公路工程有限公司 | Bi-component modified asphalt cold-patch material and preparation method thereof |
| CN111138116A (en) * | 2020-01-09 | 2020-05-12 | 北京建筑大学 | Polyether polyurethane concrete paving material and preparation method thereof |
| CN113248938A (en) * | 2021-06-21 | 2021-08-13 | 郑州中科新兴产业技术研究院 | Wet-cured polyurethane modified cold-mix asphalt and preparation method thereof |
| CN113861489B (en) * | 2021-11-02 | 2022-11-01 | 郑州中科新兴产业技术研究院 | Polyurethane foamed foam cold-mix asphalt mixture and preparation method thereof |
| CN115073044B (en) * | 2022-05-23 | 2023-09-19 | 东南大学 | Thermosetting polyurethane asphalt material based on microcapsule slow release technology and preparation method thereof |
| CN114958019A (en) * | 2022-06-07 | 2022-08-30 | 广州市北二环交通科技有限公司 | Preparation method and application of reactive normal-temperature liquid asphalt |
| CN115448642B (en) * | 2022-08-31 | 2023-08-04 | 上海科妥建设工程咨询合伙企业(有限合伙) | Asphalt cold-patch material and preparation method thereof |
| CN115491019B (en) * | 2022-09-15 | 2023-10-27 | 宁波招商公路交通科技有限公司 | Polyurethane composition for road repair, use thereof and road repair material |
| CN115710098B (en) * | 2022-11-22 | 2024-01-02 | 江苏现代路桥有限责任公司 | Long-life quick-hardening environment-friendly water-cured asphalt pavement cold-patch material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020601A (en) * | 2006-02-16 | 2007-08-22 | 重庆市智翔铺道技术工程有限公司 | Poured epoxytar concrete material and its prepn process |
| CN101913801A (en) * | 2010-07-26 | 2010-12-15 | 东南大学 | Cast asphalt concrete material and preparation method thereof |
| CN102167544A (en) * | 2010-12-31 | 2011-08-31 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane resin mortar for cement base material repairing |
-
2012
- 2012-03-23 CN CN201210080221.5A patent/CN102617070B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020601A (en) * | 2006-02-16 | 2007-08-22 | 重庆市智翔铺道技术工程有限公司 | Poured epoxytar concrete material and its prepn process |
| CN101913801A (en) * | 2010-07-26 | 2010-12-15 | 东南大学 | Cast asphalt concrete material and preparation method thereof |
| CN102167544A (en) * | 2010-12-31 | 2011-08-31 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane resin mortar for cement base material repairing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776213A (en) * | 2018-05-07 | 2018-11-09 | 北京建筑大学 | It is a kind of based on the high molecular polymer fatigue life of concrete evaluation method strained greatly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102617070A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102617070B (en) | Polyurethane asphalt concrete as well as preparation method and application thereof | |
| US20180312437A1 (en) | Polyurethane, modified asphalt and mixture material containing same and pavement structure | |
| KR101239399B1 (en) | Modified asphalt composition and method for preparing the same | |
| CN101121822B (en) | Industrialized heat regeneration asphalt mixture and preparation method thereof | |
| CN102061098B (en) | Asphalt mixture warm-mixing modifier and preparation method thereof | |
| CN101798203B (en) | Directly-mixed rubber asphalt mixture and production method thereof | |
| WO2014129758A1 (en) | Novel highly viscoelastic warm mix modifier composition and preparation method therefor, and new and regenerated warm mix modified asphalt concrete mixture composition and preparation method therefor | |
| KR102119736B1 (en) | Modified-Asphalt Concrete Compositions for Pavement of Roads Using Styrene Isoprene Styrene, Styrene Ethylene Butylene Styrene, Recycling Asphalt and Aggregate-powder of Improved Grain Size and Constructing Methods Using Thereof | |
| CN102849987B (en) | Low-emission composite phase-change modified asphalt mixture and preparation method thereof | |
| CN107501967B (en) | Asphalt modifier, preparation method and asphalt mixture containing asphalt modifier | |
| CN105801010A (en) | Cold patch asphalt mixture prepared from clay minerals and preparation method of cold patch asphalt mixture | |
| KR101941610B1 (en) | Multi functional asphalt mixture with improved workability and water-resistance and manuacturing method thereof | |
| CN101003688A (en) | High performance pavement material of epoxy asphalt, preparation method and application | |
| CN104130587A (en) | Rubber powder modified asphalt composition capsule | |
| CN102795809A (en) | Warm mixing styrene-butadiene-styrene (SBS) modified asphalt mixture and preparation method thereof | |
| CN103360774A (en) | Asphaltized rubber modified asphalt and preparation method thereof | |
| CN105859219B (en) | A kind of half-flexible pavement paste materials and preparation method thereof | |
| CN102181134B (en) | Anti-rutting agent, asphalt material and preparation method | |
| CN102276993B (en) | High-toughness composite SBR modified asphalt for warm-mixed asphalt technology, and preparation method thereof | |
| CN104140223A (en) | Direct addition type activation rubber asphalt mixture and preparing method thereof | |
| CN110028802A (en) | A kind of asphalt modifier and preparation method thereof and the application in bituminous composition | |
| CN103013142A (en) | Waste tire rubber powder plant asphalt material and preparation method thereof | |
| KR101106763B1 (en) | Composition of asphalt concrete applicable at mid temperature and method for manufacturing the composition | |
| EP2388296A1 (en) | Composite material for road, process for obtaining it, bituminous mixture contained therein and its use | |
| CN102515629B (en) | Cow dung ash asphalt concrete pavement material and its preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 400060 20th and 21st floors, building 17 (office building), No. 33 Xuefu Avenue, Nan'an District, Chongqing Patentee after: China Merchants Zhixiang Road Technology (Chongqing) Co.,Ltd. Country or region after: China Address before: No. 10 Yingchun Road, Nan'an District, Chongqing 400061 Patentee before: CHONGQING ZHIXIANG PAVING TECHNOLOGY ENGINEERING Co.,Ltd. Country or region before: China |