CN103773041B - A kind of road asphalt modifier and preparation method thereof - Google Patents
A kind of road asphalt modifier and preparation method thereof Download PDFInfo
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- CN103773041B CN103773041B CN201410056567.0A CN201410056567A CN103773041B CN 103773041 B CN103773041 B CN 103773041B CN 201410056567 A CN201410056567 A CN 201410056567A CN 103773041 B CN103773041 B CN 103773041B
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- powder
- asphalt modifier
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- road asphalt
- polyoxyethylene ether
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- 239000003607 modifier Substances 0.000 title claims abstract description 85
- 239000010426 asphalt Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 84
- 239000000203 mixture Substances 0.000 claims abstract description 57
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 37
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 37
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 28
- 239000004584 polyacrylic acid Substances 0.000 claims abstract description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 22
- 238000004381 surface treatment Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000010790 dilution Methods 0.000 claims abstract description 10
- 239000012895 dilution Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004500 asepsis Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 55
- 238000012986 modification Methods 0.000 description 27
- 230000004048 modification Effects 0.000 description 27
- 239000011295 pitch Substances 0.000 description 26
- 238000012360 testing method Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000007822 coupling agent Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 229920005479 Lucite® Polymers 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
The invention discloses a kind of road asphalt modifier, this road asphalt modifier is made primarily of the raw material of following weight part: mullite powder 4 ~ 20 parts, 6 ~ 14 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 1 ~ 3 part, polyacrylic acid 1 ~ 4 part; In addition, the invention also discloses the preparation method of this road properties-correcting agent: one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution the mixture after obtaining surface treatment that stirs; Two, polyacrylic acid is joined in the mixture after surface treatment, stir, obtain road asphalt modifier.The equal asepsis environment-protecting of each moiety in road asphalt modifier of the present invention and cost is low, the preparation technology of properties-correcting agent is simple, and thermal stability is good, suitablely widely uses.
Description
Technical field
The invention belongs to asphalt modifier technical field, be specifically related to a kind of road asphalt modifier and preparation method thereof.
Background technology
Along with the development of pavement technique, pitch and asphalt are widely used as pavement material.The pavement performance of asphaltic road-mix surface course is except relevant with the factor such as traffic load, environment, what is more important bituminous material itself, because the susceptibility of pitch to temperature is strong, all easily catabiosis is produced under high temperature and uviolizing, and fatigue performance is poor, limit its use properties to a certain extent.Therefore modification is carried out to pitch and just become the effective measure improving bituminous material performance, wherein the inorganic modified performance not only can improving pitch and asphalt is carried out to pitch, its production cost can also be reduced to a great extent, so one of focus becoming research.In recent years, much novel inorganic asphalt modifier continues to bring out, and payes attention to widely as the inorganic asphalt modifiers such as nano-calcium carbonate, layered silicate, carbon black, diatomite receive researchist.Inorganic asphalt modifier a kind ofly mixes in pitch the inorganic micro powder class material that can play and improve pitch properties, inorganic asphalt modifier can improve the comprehensive pavement performance of pitch and asphalt to a certain extent, thus improves the pavement usage quality of pitch.Prior art research shows, conventional inorganic modified material such as nano layered silicate, nano-calcium carbonate, carbon black etc. all obviously can improve every pavement performance of asphalt, expand the use range of asphalt, extend its work-ing life.But, mostly there are the problems such as improving SNR is single, properties-correcting agent bad dispersibility in current inorganic asphalt modifier, therefore, prior art urgently develops a kind of novel inorganic asphalt modifier to meet the demand of road bitumen field for the inorganic micro powder class asphalt modifier of excellent property.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of road asphalt modifier and preparation method thereof.The present invention is material modified as main body using the mixture of two kinds of inorganic micro powders, coupling agent is first utilized to carry out surface treatment to inorganic micro powder mixture, dispersion agent is added in the inorganic micro powder mixture after surface treatment again and make road asphalt modifier, not only properties is excellent to utilize the bituminous material of road asphalt modifier modification of the present invention, and has the performance that resistance cigarette presses down cigarette, purifies air.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of road asphalt modifier, is characterized in that, raw material primarily of following weight part is made: mullite powder 4 ~ 20 parts, 6 ~ 14 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 1 ~ 3 part, polyacrylic acid 1 ~ 4 part; Described fatty alcohol-polyoxyethylene ether is fatty alcohol-polyoxyethylene ether AEO-3, fatty alcohol-polyoxyethylene ether AEO-5 or fatty alcohol-polyoxyethylene ether AEO-7, and the fineness of described mullite powder is 50 order ~ 5000 orders, and the fineness of described trichroite powder is 50 order ~ 5000 orders.
Above-mentioned a kind of road asphalt modifier, is characterized in that, the raw material primarily of following weight part is made: mullite powder 8 ~ 16 parts, 8 ~ 12 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 2 ~ 3 parts, polyacrylic acid 2 ~ 4 parts.
Above-mentioned a kind of road asphalt modifier, is characterized in that, the raw material primarily of following weight part is made: mullite powder 12 parts, 10 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 2 parts, polyacrylic acid 3 parts.
Present invention also offers a kind of preparation method of road asphalt modifier, it is characterized in that, comprise the steps:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 3h ~ 5h under normal temperature, obtain the mixture after surface treatment; The quality of described dehydrated alcohol is 9 ~ 19 times of fatty alcohol-polyoxyethylene ether quality;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Described weight part can be two, jin, ton, the measure unit such as gram, kilogram.
Road asphalt modifier prepared by the present invention preparing the usage in modifying asphalt is: by asphalt heating to molten state, being joined in pitch by road asphalt modifier prepared by the present invention stirs again gets final product (dehydrated alcohol for diluting fatty alcohol-polyoxyethylene ether can volatilize completely when adding and stirring in pitch), and the quality of described road asphalt modifier is 19% ~ 21% of asphalt quality.
The present invention compared with prior art has the following advantages:
1, material modified as main body using the mixture of two kinds of inorganic micro powders in the present invention, coupling agent is first utilized to carry out surface treatment to inorganic micro powder mixture, dispersion agent is added in the inorganic micro powder mixture after surface treatment again and make road asphalt modifier, not only properties is excellent to utilize the bituminous material of road asphalt modifier modification of the present invention, and has the performance that resistance cigarette presses down cigarette, purifies air.
2, the effect that the mullite powder adopted in the present invention and trichroite powder can both play flame-retardant smoke inhibition and purify air, inorganic micro powder mixture will be mixed to get both this, the diluent of coupling agent fat alcohol polyethylene ether is utilized to carry out surface treatment to inorganic micro powder mixture, the surperficial lipophilicity enhancing inorganic micro powder mixture can be better compatible with bituminous material, adds polyacrylic acid in addition and can make inorganic micro powder mixture in bituminous material, have good dispersing property as dispersion agent.
3, the equal asepsis environment-protecting of each moiety and cost is low in road asphalt modifier of the present invention, the preparation technology of properties-correcting agent is simple, and thermal stability is good, suitablely widely uses.
Below by embodiment and accompanying drawing, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of tail gas clean-up rate testing apparatus.
Description of reference numerals:
1-engine; 2-proofing box; 3-exhaust analyzer;
4-lucite pipe.
Embodiment
Embodiment 1
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 12g, trichroite powder 10g, fatty alcohol-polyoxyethylene ether AEO-32g, polyacrylic acid 3g; The fineness of described mullite powder is 3000 orders, and the fineness of described trichroite powder is 3000 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 3h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 20g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Comparative example 1
According to the method for embodiment 1, do not add fatty alcohol-polyoxyethylene ether AEO-3 and road asphalt modifier prepared by polyacrylic acid.
Comparative example 2
According to the method for embodiment 1, do not add polyacrylic acid and prepare road asphalt modifier.
Embodiment 2
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 4g, trichroite powder 14g, fatty alcohol-polyoxyethylene ether AEO-31g, polyacrylic acid 1g; The fineness of described mullite powder is 1000 orders, and the fineness of described trichroite powder is 2000 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 4h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 9g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Embodiment 3
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 8 jin, 10 jin, trichroite powder, fatty alcohol-polyoxyethylene ether AEO-52 jin, polyacrylic acid 4 jin; The fineness of described mullite powder is 2000 orders, and the fineness of described trichroite powder is 1000 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 3.5h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 28 jin;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Embodiment 4
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 12g, trichroite powder 8g, fatty alcohol-polyoxyethylene ether AEO-51g, polyacrylic acid 2g; The fineness of described mullite powder is 5000 orders, and the fineness of described trichroite powder is 50 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 4h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 19g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Embodiment 5
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 14g, trichroite powder 12g, fatty alcohol-polyoxyethylene ether AEO-73g, polyacrylic acid 3g; The fineness of described mullite powder is 4000 orders, and the fineness of described trichroite powder is 300 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 5h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 48g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Embodiment 6
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 16g, trichroite powder 8g, fatty alcohol-polyoxyethylene ether AEO-72g, polyacrylic acid 2g; The fineness of described mullite powder is 300 orders, and the fineness of described trichroite powder is 5000 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 4.5h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 34g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Embodiment 7
The road asphalt modifier of the present embodiment, the raw material primarily of following weight part is made: mullite powder 20g, trichroite powder 6g, fatty alcohol-polyoxyethylene ether AEO-73g, polyacrylic acid 4g; The fineness of described mullite powder is 50 orders, and the fineness of described trichroite powder is 4000 orders.
The preparation method of the road asphalt modifier of the present embodiment is:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 4h under normal temperature, obtain surface-treated mixture; The quality of described dehydrated alcohol is 48g;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
Road asphalt modifier is preparing the usage in modifying asphalt
Matrix pitch is heated to molten state, again the road asphalt modifier of embodiment 1 ~ 7 and comparative example 1 ~ 2 is joined in matrix pitch respectively that stir can (dehydrated alcohol for diluting fatty alcohol-polyoxyethylene ether can volatilize completely when adding and stirring in pitch), described matrix pitch is Korea S SK70# petroleum pitch, and the quality of described road asphalt modifier is 19% ~ 21% of matrix pitch quality.
Performance test
Prepare the rut plate sample of the rut plate sample of matrix pitch material, the rut plate sample of the bituminous material of embodiment 1 ~ 7 modifier modification and the bituminous material of comparative example 1 ~ 2 modifier modification according to the requirement of " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE-20-2011) respectively, test the related performance indicators such as the softening temperature of the bituminous material of different modifier modification, penetration degree, ductility; According to the flue gas toxity grade after the bituminous material burning of standard method difference testing example 1 ~ 7 modifier modification of " equipment and device component plastic material combustion testing " (UL94), it is all accurate safe one-levels (ZA1) that result display adopts the pitch of embodiment 1 ~ 7 modifier modification to produce flue gas toxity grade after combustion, has good security; The oxygen index of matrix pitch material, the bituminous material of embodiment 1 ~ 7 modifier modification and the bituminous material of comparative example 1 ~ 2 modifier modification is tested respectively according to the standard method of " Plastics Combustion method for testing performance " (GB/T2406-93); Matrix pitch material, the bituminous material of embodiment 1 ~ 7 modifier modification and the bituminous material of comparative example 1 ~ 2 modifier modification smoke density under burning or decomposition run condition is tested respectively according to the standard method of " material of construction burning or the smoke density test method of decomposing " (GB/T8627-2007).
Tail gas clean-up rate is tested
The bituminous material of matrix pitch material, the bituminous material of embodiment 1 ~ 7 modifier modification and comparative example 1 ~ 2 modifier modification is tested respectively to NO by tail gas clean-up rate testing apparatus as shown in Figure 1
xand C
xh
yit is gas cleaning rate, test method is: (one) testing apparatus: as shown in Figure 1, tail gas clean-up rate testing apparatus is made up of engine 1, proofing box 2, exhaust analyzer 3, is connected between the venting port of described engine 1 and the intake valve of proofing box 2, between the vent valve of proofing box 2 and the inlet mouth of tail gas tester 3 by lucite pipe 4; (2) test process: first exhaust analyzer 3 is run 15min preheating, again the rut plate sample of the bituminous material of embodiment 1 modifier modification is put into proofing box 2, then engine 1 and exhaust analyzer 3 is opened, open intake valve and the vent valve of proofing box 2,1 is killed engine after ventilation 20min ~ 30in, close intake valve and the vent valve of proofing box 2, NO on record exhaust analyzer 3
xand C
xh
ybe the initial concentration value of gas, after 6h ~ 8h, open vent valve, test and record NO on exhaust analyzer 3
xand C
xh
ybeing the ultimate density value of gas, doing to adopt the bituminous material of embodiment 1 modifier modification to NO than calculating with initial concentration value with the difference of initial concentration value and ultimate density value
xand C
xh
ybe gas cleaning rate, complete the bituminous material of embodiment 1 modifier modification to NO
xand C
xh
ybe the test of gas purification coefficiency, under same test conditions, complete the bituminous material of matrix pitch material, the bituminous material of embodiment 2 ~ 7 modifier modification and comparative example 1 ~ 2 modifier modification successively to NO
xand C
xh
yit is the test of gas cleaning rate; The related performance indicators test result of the bituminous material of different modifier modification and to NO
x, C
xh
ybe that gas cleaning rate test result is as shown in table 1.
The related performance indicators of bituminous material of the different modifier modification of table 1 and the test result of purification rate
As seen from Table 1: the index such as penetration degree, softening temperature, ductility of the bituminous material of embodiment 1 ~ 7 modifier modification all reaches the requirement to each related performance indicators of bituminous material in " highway engineering pitch and Asphalt Mixture Experiment code " (JTGE20-2011), be compared to unmodified matrix pitch material, the interpolation of embodiment 1 ~ 7 road asphalt modifier effectively can improve the properties of bituminous material, thus improves the pavement performance of the asphalt utilizing modified asphalt material to prepare further.
The oxygen index of the bituminous material of embodiment 1 ~ 7 modifier modification is all greater than 25, reach the requirement to material combustion performance in China " Plastics Combustion method for testing performance " (GB/T2406-93), the oxygen index of partially modified bituminous material even reaches more than 27, belongs to nonflammable material.
The smoke density of the bituminous material of embodiment 1 ~ 7 modifier modification is all less than 75, reach in China " material of construction burning or the smoke density test method of decomposing " (GB/T8627) the requirement of material smoke density, flue gas toxity grade is all as the criterion safe one-level (ZA1), and for NO
xand H
xc
ybe that gas has excellent decontamination effect improving.
The bituminous material of comparative analysis embodiment 1 ~ 7 modifier modification and the related performance indicators test result of matrix pitch material can be found out, road asphalt modifier add the properties that significantly can not only improve bituminous material, and bituminous material can be made to have good resistance cigarette press down cigarette, the performance that purifies air.The bituminous material of comparative analysis embodiment 1, comparative example 1 and comparative example 2 modifier modification can be found out, the diluent of coupling agent fat alcohol polyethylene ether is utilized to carry out surface treatment to inorganic micro powder mixture in embodiment 1, the surperficial lipophilicity enhancing inorganic micro powder mixture can be better compatible with bituminous material, in addition adding polyacrylic acid can make inorganic micro powder mixture in bituminous material, have good dispersing property as dispersion agent, is conducive to strengthening inorganic micro powder mixture to the improvement result of bituminous material properties.
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 equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. a road asphalt modifier, is characterized in that, the raw material primarily of following weight part is made: mullite powder 4 ~ 20 parts, 6 ~ 14 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 1 ~ 3 part, polyacrylic acid 1 ~ 4 part; Described fatty alcohol-polyoxyethylene ether is fatty alcohol-polyoxyethylene ether AEO-3, fatty alcohol-polyoxyethylene ether AEO-5 or fatty alcohol-polyoxyethylene ether AEO-7, and the fineness of described mullite powder is 50 order ~ 5000 orders, and the fineness of described trichroite powder is 50 order ~ 5000 orders; All the other are dehydrated alcohol, and the quality of described dehydrated alcohol is 9 ~ 19 times of fatty alcohol-polyoxyethylene ether quality.
2. according to a kind of road asphalt modifier according to claim 1, it is characterized in that, the raw material primarily of following weight part is made: mullite powder 8 ~ 16 parts, 8 ~ 12 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 2 ~ 3 parts, polyacrylic acid 2 ~ 4 parts.
3. according to a kind of road asphalt modifier according to claim 2, it is characterized in that, the raw material primarily of following weight part is made: mullite powder 12 parts, 10 parts, trichroite powder, fatty alcohol-polyoxyethylene ether 2 parts, polyacrylic acid 3 parts.
4. prepare a method for road asphalt modifier as claimed in claim 1, it is characterized in that, comprise the steps:
Step one, mullite powder and trichroite powder mixing and stirring are obtained mixture, described mixture is added in the fatty alcohol-polyoxyethylene ether of dehydrated alcohol dilution, stir 3h ~ 5h under normal temperature, obtain the mixture after surface treatment;
Step 2, polyacrylic acid to be added in the mixture after surface treatment described in step one, stir, obtain road asphalt modifier.
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| US10266745B2 (en) | 2017-02-03 | 2019-04-23 | Saudi Arabian Oil Company | Anti-bit balling drilling fluids, and methods of making and use thereof |
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| CN111173149B (en) * | 2020-02-22 | 2020-08-25 | 潍坊市宇虹防水材料(集团)有限公司 | Modified asphalt waterproof coiled material for building external wall and preparation method thereof |
| CN111136991B (en) * | 2020-02-24 | 2020-08-14 | 潍坊市宇虹防水材料(集团)有限公司 | Polymer modified asphalt waterproof coiled material with good aging resistance and preparation method thereof |
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| CN102417737A (en) * | 2011-11-17 | 2012-04-18 | 长安大学 | Low-carbon tourmalinite modified asphalt and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10266745B2 (en) | 2017-02-03 | 2019-04-23 | Saudi Arabian Oil Company | Anti-bit balling drilling fluids, and methods of making and use thereof |
| US10287476B2 (en) | 2017-02-03 | 2019-05-14 | Saudi Arabian Oil Company | Cement slurries, cured cements and methods of making and use thereof |
| US11015104B2 (en) | 2017-02-03 | 2021-05-25 | Saudi Arabian Oil Company | Cement slurries, cured cements and methods of making and use thereof |
| US11015105B2 (en) | 2017-02-03 | 2021-05-25 | Saudi Arabian Oil Company | Cement slurries, cured cements and methods of making and use thereof |
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| Publication number | Publication date |
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| CN103773041A (en) | 2014-05-07 |
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