CN107641328A - Asphalt modifier, asphalt mixture and preparation method thereof - Google Patents
Asphalt modifier, asphalt mixture and preparation method thereof Download PDFInfo
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- CN107641328A CN107641328A CN201710989067.6A CN201710989067A CN107641328A CN 107641328 A CN107641328 A CN 107641328A CN 201710989067 A CN201710989067 A CN 201710989067A CN 107641328 A CN107641328 A CN 107641328A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 68
- 239000003607 modifier Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 19
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims abstract description 8
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 7
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 7
- 229920000137 polyphosphoric acid Polymers 0.000 claims abstract description 7
- 239000011295 pitch Substances 0.000 claims description 38
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- 239000003205 fragrance Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- 238000004945 emulsification Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 4
- 239000004359 castor oil Substances 0.000 claims description 4
- 235000019438 castor oil Nutrition 0.000 claims description 4
- YCZJVRCZIPDYHH-UHFFFAOYSA-N ditridecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCCCC YCZJVRCZIPDYHH-UHFFFAOYSA-N 0.000 claims description 4
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 5
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 229920000647 polyepoxide Polymers 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- QXOXHPTYHCESTD-UHFFFAOYSA-N SBS Chemical compound SBS QXOXHPTYHCESTD-UHFFFAOYSA-N 0.000 description 45
- 230000000052 comparative effect Effects 0.000 description 8
- 244000025254 Cannabis sativa Species 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 4
- 229920002857 polybutadiene Polymers 0.000 description 4
- 239000003431 cross linking reagent Substances 0.000 description 3
- -1 maleic acids Acid anhydride Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an asphalt modifier, an asphalt mixture and a preparation method thereof, wherein the asphalt modifier is prepared by adding 10 parts of SBS polymer, 0.05-0.08 part of vinyl trimethoxy silane, 1-1.7 parts of maleic anhydride and 0.5-0.8 part of methyl methacrylate into 15 parts of cyclohexane, heating to 60-70 ℃ for dissolving, adding 50 parts of water with the temperature of 68 ℃ for stirring and emulsifying at the rotating speed of 2000r/min, then preparing modified SBS powder by taking 0.01-0.012 part of dibenzoyl peroxide as an initiator, and mixing 10 parts of modified SBS powder, 1-2 parts of polyphosphoric acid, 0.5-0.8 part of compatilizer and 2-4 parts of epoxy resin powder; 100 parts of matrix asphalt, 6-10 parts of asphalt modifier, 5-10 parts of filler and 0.05-0.12 part of stabilizer are mixed to prepare the asphalt mixture. The invention solves the problem of poor compatibility of the SBS asphalt modifier and the asphalt.
Description
Technical field
The invention belongs to field of road, and in particular to a kind of asphalt modifier, asphalt and preparation method thereof.
Background technology
With developing rapidly for road traffic, the continuous exacerbation of vehicle load, increasing road surface uses modified pitch.
The use of modified pitch can undoubtedly extend the service life of road, have SBS, poly- in the modifying agent commonly used in road construction at present
After adding pitch with pitch physical and chemical reaction can occur for ethene and butadiene-styrene rubber etc., these polymer so that pitch
Performance is improved, and the pavement performance of asphalt also makes moderate progress, so as to extend the service life of bituminous paving.Many realities
Surface is trampled and studies, by adding the modified pitch of high molecular polymer, its asphalt temperature sensitiveness and brittle temperature obtain
Reduce, softening point is improved, and cracking resistance anti-wear performance is strengthened.Especially SBS modified pitch, its excellent road property
The great attention of highway layout person's door can be received in reagent application process, in China and world wide, modified pitch makes
Increased year by year with ratio, to currently about 60%.
Because complexity and pitch and the polymer of pitch are in composition, structure, the bigger difference of properties, cause to drip
It is blue or green poor with the compatibility of High polymer asphalt modifier, it is not easy to form stabilising system, directly affects the performance of modified pitch.Find
A kind of good asphalt of compatibility is current urgent problem to be solved.
The content of the invention
The present invention provides a kind of asphalt modifier, asphalt and preparation method thereof, to solve asphalt modifier and
Between pitch the problem of poor compatibility.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of preparation method of asphalt modifier, comprises the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.05~0.08 part of vinyltrimethoxy silane, 1~1.7
Part maleic anhydride and 0.5~0.8 part of methyl methacrylate are added in 15 parts of hexamethylenes, are then heated to 60~70 DEG C of dissolvings,
Add in the water that 50 parts of temperature are 68 DEG C with 2000r/min rotating speed stirring and emulsifying, turned after emulsification with 300~500r/min
Fast lasting stirring, add 0.01~0.012 part of dibenzoyl peroxide and react 1~1.5h, reaction cools after terminating, then mistake
Filter, filtration product are dried after acetone washs, and obtain modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 1~2 part of polyphosphoric acids, 0.5~0.8 part of compatilizer and 2
~4 parts of epoxy powder mixing, obtain asphalt modifier.
Further, the content of type SBS is not less than 70% in the SBS polymer.
Further, the compatilizer is any one or a few in rubber oil, castor oil or ditridecyl phthalate.
A kind of asphalt, including asphalt modifier, are counted in parts by weight, the raw material composition of the asphalt
For：100 parts of matrix pitches, 6~10 parts of asphalt modifiers, 5~10 parts of fillers and 0.05~0.12 part of stabilizer.
Further, the gross mass of both compositions of fragrance point and resin accounts for matrix pitch quality in the matrix pitch
80~90%.
Further, the filler is the one or more in zinc oxide, calcium carbonate or portland cement.
A kind of preparation method of asphalt, matrix pitch is heated to 180~185 DEG C, then in a manner of sprinkling
Add asphalt modifier and stabilizer, 20~30min is stirred with 1000~1500r/min rotating speed, add filler, continue to stir
30~45min is mixed, finally obtains asphalt.
Beneficial effects of the present invention：
(1) pitch includes oil, resin and asphalitine this three big component, wherein oil and resin can mutual phased soln, tree
Fat can infiltrate asphalitine, the structure of asphalt be using asphalitine as core, ambient absorption part resin oil dissolve each other thing and
Form micelle.Because the polarity of SBS polymer is small, the poor compatibility between oil and resin so that SBS and pitch it is compatible
Property is poor.It is of the invention first with maleic anhydride and methyl methacrylate-grafted modified SBS polymer, introduce polar group, strengthen SBS
The polarity of polymer, while using vinyltrimethoxy silane as crosslinking agent, to SBS polymer, maleic anhydride and metering system
Sour methyl esters is crosslinked, and one side crosslinking agent can be improved between maleic anhydride and methyl methacrylate and SBS polymer chain
Connection probability, so as to improve the grafting rate of maleic anhydride and methyl methacrylate on SBS polymer, improve material and utilize
Rate；Contain organosilicon in another aspect crosslinking agent, it is possible to increase the viscosity of SBS polymer so that the adhesion effect of SBS polymer
More preferably, so as to strengthening the adhesion between SBS modifier and pitch.
(2) present invention, using hexamethylene and reactant as dispersed phase, is emulsified using water as continuous phase by high-speed stirred so that
Dispersed phase exists in a manner of molecule, and the modified SBS particle diameter prepared is small, is crushed without follow-up, convenient to be mixed with pitch,
And water as continuous phase by hexamethylene and air insulated, the volatilization of cyclohexane solvent can be efficiently reduced, be advantageous to ensure production
The health of personnel.
(3) content of type SBS is not less than 70% in SBS polymer of the invention, compared with star-shaped sbs, type SBS with
The compatibility of pitch is more preferable, if star-shaped sbs too high levels, is unfavorable for improving the compatibility between SBS modifier and pitch.
(4) emulsifying agent is not used in modified SBS powder preparing processes of the invention, is emulsified in a manner of high-speed stirred, made
Preparation Method is more environmentally-friendly, and utilization is recovered more easily in hexamethylene under the situation in the absence of emulsifying agent, advantageously reduces consumption of raw materials.
Embodiment
For ease of more fully understanding the present invention, it is illustrated by following instance, these examples belong to the protection of the present invention
Scope, but do not limit the scope of the invention.
Embodiment 1
A kind of preparation method of asphalt modifier, comprises the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.05 part of vinyltrimethoxy silane, 1.3 parts of maleic acids
Acid anhydride and 0.8 part of methyl methacrylate are added in 15 parts of hexamethylenes, are then heated to 65 DEG C of dissolvings, add 50 parts of temperature as 68
DEG C water in 2000r/min rotating speed stirring and emulsifying, persistently stirred with 300r/min rotating speed after emulsification, add 0.01 part
Dibenzoyl peroxide reacts 1.5h, and reaction cools after terminating, then filtered, and filtration product is dried after acetone washs, and is obtained
Modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 1.5 parts of polyphosphoric acids, 0.6 part of rubber oil and 3 parts of epoxies
Toner mixes, and obtains asphalt modifier.
The content of type SBS is 70% in the SBS polymer.
Embodiment 2
A kind of preparation method of asphalt modifier, comprises the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.06 part of vinyltrimethoxy silane, 1.7 parts of maleic acids
Acid anhydride and 0.5 part of methyl methacrylate are added in 15 parts of hexamethylenes, are then heated to 60 DEG C of dissolvings, add 50 parts of temperature as 68
DEG C water in 2000r/min rotating speed stirring and emulsifying, persistently stirred with 500r/min rotating speed after emulsification, add 0.012
Part dibenzoyl peroxide reaction 1h, reaction cool after terminating, then filtered, and filtration product is dried after acetone washs, and is obtained
Modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 1 part of polyphosphoric acids, 0.4 part of rubber oil, 0.4 part of castor oil
Mixed with 4 parts of epoxy powders, obtain asphalt modifier.
The content of type SBS is 80% in the SBS polymer.
Embodiment 3
A kind of preparation method of asphalt modifier, comprises the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.08 part of vinyltrimethoxy silane, 1 part of maleic anhydride
Added with 0.7 part of methyl methacrylate in 15 parts of hexamethylenes, be then heated to 70 DEG C of dissolvings, add 50 parts of temperature as 68 DEG C
Water in 2000r/min rotating speed stirring and emulsifying, persistently stirred with 400r/min rotating speed after emulsification, add 0.011 part
Dibenzoyl peroxide reacts 1.2h, and reaction cools after terminating, then filtered, and filtration product is dried after acetone washs, and is obtained
Modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 2 parts of polyphosphoric acids, 0.2 part of rubber oil, 0.1 part of castor oil
With 0.2 part of ditridecyl phthalate and 2 parts of epoxy powder mixing, asphalt modifier is obtained.
The content of type SBS is 85% in the SBS polymer.
Embodiment 4
A kind of preparation method of asphalt modifier, comprises the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.08 part of vinyltrimethoxy silane, 1.5 parts of maleic acids
Acid anhydride and 0.7 part of methyl methacrylate are added in 15 parts of hexamethylenes, are then heated to 66 DEG C of dissolvings, add 50 parts of temperature as 68
DEG C water in 2000r/min rotating speed stirring and emulsifying, persistently stirred with 500r/min rotating speed after emulsification, add 0.012
Part dibenzoyl peroxide reaction 1.3h, reaction cool after terminating, then filtered, and filtration product is dried after acetone washs, and is obtained
To modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 2 parts of polyphosphoric acids, 0.8 part of ditridecyl phthalate and 2
Part epoxy powder mixing, obtains asphalt modifier.
The SBS is polymerized to type SBS.
Embodiment 5
A kind of preparation method of asphalt, using the asphalt modifier prepared in embodiment 1,100 parts of matrix are dripped
Green grass or young crops is heated to 180 DEG C, then added in a manner of sprinkling 10 parts of asphalt modifiers and 0.07 part of butadiene rubber stabilizer, with
1500r/min rotating speed stirring 30min, adds 5 parts of zinc oxide, continues to stir 30min, finally obtain asphalt.
The gross mass of both compositions of fragrance point and resin accounts for the 80% of matrix pitch quality in the matrix pitch.
Embodiment 6
A kind of preparation method of asphalt, using the asphalt modifier prepared in embodiment 3,100 parts of matrix are dripped
Green grass or young crops is heated to 185 DEG C, then added in a manner of sprinkling 8 parts of asphalt modifiers and 0.05 part of butadiene rubber stabilizer, with
1000r/min rotating speed stirring 25min, adds 5 parts of zinc oxide and 5 parts of calcium carbonate, continues to stir 45min, finally obtain drip
Blue or green compound.
The gross mass of both compositions of fragrance point and resin accounts for the 83% of matrix pitch quality in the matrix pitch.
Embodiment 7
A kind of preparation method of asphalt, using the asphalt modifier prepared in embodiment 2,100 parts of matrix are dripped
Green grass or young crops is heated to 182 DEG C, then added in a manner of sprinkling 6 parts of asphalt modifiers and 0.12 part of butadiene rubber stabilizer, with
1200r/min rotating speed stirring 20min, adds 8 parts of portland cements, continues to stir 40min, finally obtain pitch mixing
Material.
The gross mass of both compositions of fragrance point and resin accounts for the 90% of matrix pitch quality in the matrix pitch.
Embodiment 8
A kind of preparation method of asphalt, using the asphalt modifier prepared in embodiment 4,100 parts of matrix are dripped
Green grass or young crops is heated to 181 DEG C, then added in a manner of sprinkling 8 parts of asphalt modifiers and 0.12 part of butadiene rubber stabilizer, with
1500r/min rotating speed stirring 20min, adds 6 parts of zinc oxide and 2 parts of portland cements, continues to stir 45min, finally
To asphalt.
The gross mass of both compositions of fragrance point and resin accounts for the 88% of matrix pitch quality in the matrix pitch.
Comparative example 1
The difference of comparative example 1 and embodiment 1 is：The content of type SBS is 10% in the SBS polymer.
Comparative example 2
The difference of comparative example 2 and embodiment 5 is：A kind of preparation method of asphalt, using in comparative example 1
The asphalt modifier of preparation.
Comparative example 3
The difference of comparative example 3 and embodiment 8 is：Fragrance point and resin both compositions in the matrix pitch
Gross mass accounts for the 55% of matrix pitch quality
Cool down, survey after asphalt prepared by embodiment 5~8 and comparative example 2~3 is stood into heating 6h at 180 DEG C
The performance of compound is measured, test result is as shown in the table：
Protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes for belonging under thinking of the present invention are equal
Belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, the present invention is not being departed from
Some improvements and modifications under the premise of principle, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of preparation method of asphalt modifier, it is characterised in that comprise the following steps：
S1. count in parts by weight, take 10 parts of SBS polymers, 0.05~0.08 part of vinyltrimethoxy silane, 1~1.7 portion of horse
Carry out acid anhydrides and 0.5~0.8 part of methyl methacrylate is added in 15 parts of hexamethylenes, be then heated to 60~70 DEG C of dissolvings, then add
Enter in the water that 50 parts of temperature are 68 DEG C with 2000r/min rotating speed stirring and emulsifying, held after emulsification with 300~500r/min rotating speed
Continuous stirring, adding 0.01~0.012 part of dibenzoyl peroxide and react 1~1.5h, reaction cools after terminating, then filtered,
Filtration product is dried after acetone washs, and obtains modified SBS powder；
S2. count in parts by weight, by 10 parts of modified SBS powder, 1~2 part of polyphosphoric acids, 0.5~0.8 part of compatilizer and 2~4 parts
Epoxy powder mixes, and obtains asphalt modifier.
2. the preparation method of a kind of asphalt modifier according to claim 1, it is characterised in that in the SBS polymer
The content of type SBS is not less than 70%.
3. the preparation method of a kind of asphalt modifier according to claim 1, it is characterised in that the compatilizer is rubber
Any one or a few in oil, castor oil or ditridecyl phthalate.
4. a kind of asphalt, it is characterised in that including by any one method is prepared in claims 1 to 3 pitch
Modifying agent, count in parts by weight, the raw material composition of the asphalt is：100 parts of matrix pitches, 6~10 parts of asphalt modifications
Agent, 5~10 parts of fillers and 0.05~0.12 part of stabilizer.
5. a kind of asphalt according to claim 4, it is characterised in that fragrance point and resin in the matrix pitch
The gross mass of both compositions accounts for the 80~90% of matrix pitch quality.
A kind of 6. asphalt according to claim 4, it is characterised in that the filler be zinc oxide, calcium carbonate or
One or more in portland cement.
7. the preparation method of the asphalt described in a kind of claim 4~6, it is characterised in that be heated to matrix pitch
180~185 DEG C, asphalt modifier and stabilizer are then added in a manner of sprinkling, is stirred with 1000~1500r/min rotating speed
20~30min, filler is added, continue 30~45min of stirring, finally obtain asphalt.
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| CN201710989067.6A CN107641328A (en) | 2017-10-22 | 2017-10-22 | Asphalt modifier, asphalt mixture and preparation method thereof |
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| CN201710989067.6A CN107641328A (en) | 2017-10-22 | 2017-10-22 | Asphalt modifier, asphalt mixture and preparation method thereof |
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Cited By (10)
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| CN108440978A (en) * | 2018-03-30 | 2018-08-24 | 佛山市路邦沥青有限公司 | A kind of preparation method of modified pitch |
| CN109610262A (en) * | 2018-11-30 | 2019-04-12 | 南京道润交通科技有限公司 | The ultra-thin antiskid wearing layer of single particle size and its construction technology for road preventive maintenance |
| CN110256681A (en) * | 2019-05-07 | 2019-09-20 | 武汉畅易达道路材料科技有限公司 | A kind of organosilicon asphalt modifier and preparation method thereof |
| CN111471128A (en) * | 2020-06-04 | 2020-07-31 | 甘肃省公路交通建设集团有限公司酒泉路衍产业开发分公司 | Water-based acrylic elastic emulsion, preparation method thereof and application thereof in asphalt pavement |
| CN111675913A (en) * | 2020-06-28 | 2020-09-18 | 江阴市新远见工程有限公司 | Anti-aging SBS (styrene butadiene styrene) modified asphalt and preparation method thereof |
| CN111808433A (en) * | 2020-07-03 | 2020-10-23 | 泉州信息工程学院 | High-temperature-resistant modified asphalt pavement repairing material and preparation method thereof |
| CN112194985A (en) * | 2020-10-14 | 2021-01-08 | 东莞狐马商贸有限公司 | Tung oil-based regenerated polyolefin asphalt coating and preparation method thereof |
| WO2021115090A1 (en) * | 2019-12-09 | 2021-06-17 | 江苏中路交通科学技术有限公司 | High-strength emulsified asphalt and preparation method therefor |
| CN113502139A (en) * | 2021-08-27 | 2021-10-15 | 北京市建筑工程研究院有限责任公司 | Low-temperature-resistant slow-bonding prestressed tendon |
| CN114213778A (en) * | 2021-11-30 | 2022-03-22 | 上海金发科技发展有限公司 | High-impact high-gloss HIPS material and preparation method and application thereof |
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| CN111675913A (en) * | 2020-06-28 | 2020-09-18 | 江阴市新远见工程有限公司 | Anti-aging SBS (styrene butadiene styrene) modified asphalt and preparation method thereof |
| CN111808433A (en) * | 2020-07-03 | 2020-10-23 | 泉州信息工程学院 | High-temperature-resistant modified asphalt pavement repairing material and preparation method thereof |
| CN112194985A (en) * | 2020-10-14 | 2021-01-08 | 东莞狐马商贸有限公司 | Tung oil-based regenerated polyolefin asphalt coating and preparation method thereof |
| CN113502139A (en) * | 2021-08-27 | 2021-10-15 | 北京市建筑工程研究院有限责任公司 | Low-temperature-resistant slow-bonding prestressed tendon |
| CN113502139B (en) * | 2021-08-27 | 2022-10-04 | 北京市建筑工程研究院有限责任公司 | Low-temperature-resistant slow-bonding prestressed tendon |
| CN114213778A (en) * | 2021-11-30 | 2022-03-22 | 上海金发科技发展有限公司 | High-impact high-gloss HIPS material and preparation method and application thereof |
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