CN104513460A - Interface modifier material of aggregate-bitumen and application of interface modifier material - Google Patents
Interface modifier material of aggregate-bitumen and application of interface modifier material Download PDFInfo
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- CN104513460A CN104513460A CN201510037854.1A CN201510037854A CN104513460A CN 104513460 A CN104513460 A CN 104513460A CN 201510037854 A CN201510037854 A CN 201510037854A CN 104513460 A CN104513460 A CN 104513460A
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- 239000000463 material Substances 0.000 title claims abstract description 44
- 239000003607 modifier Substances 0.000 title claims abstract description 43
- 239000010426 asphalt Substances 0.000 title claims abstract description 29
- 238000000889 atomisation Methods 0.000 claims abstract description 7
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 5
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 5
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 5
- 239000007822 coupling agent Substances 0.000 claims abstract description 5
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 5
- 239000000314 lubricant Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 4
- 229940077388 benzenesulfonate Drugs 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- -1 sodium alkyl benzene Chemical class 0.000 claims description 4
- 239000003021 water soluble solvent Substances 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical group CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000084 Gum arabic Polymers 0.000 claims description 2
- 241000978776 Senegalia senegal Species 0.000 claims description 2
- 239000004376 Sucralose Substances 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 235000010489 acacia gum Nutrition 0.000 claims description 2
- 239000000205 acacia gum Substances 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229960003237 betaine Drugs 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 235000013772 propylene glycol Nutrition 0.000 claims description 2
- 235000013599 spices Nutrition 0.000 claims description 2
- BAQAVOSOZGMPRM-QBMZZYIRSA-N sucralose Chemical compound O[C@@H]1[C@@H](O)[C@@H](Cl)[C@@H](CO)O[C@@H]1O[C@@]1(CCl)[C@@H](O)[C@H](O)[C@@H](CCl)O1 BAQAVOSOZGMPRM-QBMZZYIRSA-N 0.000 claims description 2
- 235000019408 sucralose Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 27
- 239000002253 acid Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- 239000003513 alkali Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 230000002929 anti-fatigue Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an interface modifier material of aggregate-bitumen and application of the interface modifier material. The interface modifier material is prepared from the following components in parts by weight: 20-40 parts of a solvent, 20-30 parts of resin, 5-20 parts of a coupling agent, 3-10 parts of an accelerant, 0.5-3 parts of a lubricant, 0.5-2 parts of a stabilizer, 0.5-2 parts of an antioxidant, 0.3-2 parts of an emulsifier and 5-10 parts of a processing aid. The modifier material is applied to the surface of the aggregate through a fine atomization system and an efficient foaming system. The interface modifier material of aggregate-bitumen has the effects of improving the adhesion property of the aggregate-bitumen interface to enhance the adhesion of the bitumen and the aggregate, can effectively reduce the use and transport costs of the aggregate, and can be widely applied to the bitumen pavement construction industry of high-grade highways.
Description
Technical field
The present invention relates to interfacial modifier material technical field, particularly a kind ofly to gather materials-interfacial modifier material of pitch and application thereof.
Background technology
At present, flourish along with highway construction, neutral and alkaline high-quality is gathered materials rareness, becomes and is extremely deficient in resources, using stable yield and abundant acidity aggregate to gather materials as asphalt surface be inexorable trend.In order to effectively use this kind of acidity aggregate, various raising must be taked to gather materials and the antistripping measure of asphalt adhesive ability.
The adding technology of tradition antistripping agent lacks specific aim, causes antistripping agent to fail to play effect completely; There is familiar lacunas in parts of traditional antistripping agent, construction technology needs further improvement.Therefore develop that the gathering materials of a kind of excellent property-asphalt interface properties-correcting agent is prior art field problem demanding prompt solution.
Summary of the invention
The present invention overcomes the defect of prior art, provides a kind of to gather materials-interfacial modifier material of pitch and application thereof.This gathers materials-and asphalt interface modifier material reduces gather materials use and transportation cost while guarantee interface modifier adheres to grade.Can effectively promote bituminous pavement quality and increase the service life, formula rationally, be applicable to apply on a large scale.
Object of the present invention is achieved through the following technical solutions:
Gather materials-the interfacial modifier material of pitch, and described interfacial modifier material is prepared by following component, and described component is counted by weight:
Solvent 20 ~ 40
Resin 20 ~ 30
Coupling agent 5 ~ 20
Promotor 3 ~ 10
Lubricant 0.5 ~ 3
Stablizer 0.5 ~ 2
Oxidation inhibitor 0.5 ~ 2
Emulsifying agent 0.3 ~ 2
Tensio-active agent 0.3 ~ 2
Processing aid 5 ~ 10.
Preferably, described solvent is water-soluble solvent, described water-soluble solvent comprise in deionized water or alcohol more than one.
Preferably, described resin is aqueous epoxy resins.
Preferably, described coupling agent is silane coupling agent, and described silane coupling agent is KH-550, and chemical name is γ-aminopropyl triethoxysilane, and molecular formula is NH2CH2CH2CH2Si (OC2H5) 3.
Preferably, described promotor is 928 promotor.
Preferably, described lubricant is soluble oil, and described soluble oil composition comprises water, fiber, glycerine, propyleneglycoles, spices or Sucralose; Described stablizer is lead salt stabilizer.
Preferably, described oxidation inhibitor is more than one in antioxidant 1010, antioxidant 1076 or antioxidant TNP.
Preferably, described emulsifying agent is more than one in gum arabic, sodium alkyl benzene sulfonate.
Preferably, described tensio-active agent is zwitter-ion surface-modifying agent, and described zwitter-ion surface-modifying agent is more than one in Yelkin TTS, amino-type or betaine type; Described processing aid is solidifying agent, and described solidifying agent is more than one in aliphatics amine diethylene triamine (DETA) or aminoethyl piperazine (AE).
A kind ofly to gather materials-interfacial modifier material of pitch is applied to modified aggregate 's surface property used for asphalt mixture.Modifier material is applied to surface of aggregate by finer atomization system and efficient foamed system.
Compared with prior art, the present invention has following income effect:
Provided by the inventionly to gather materials-formula of asphalt interface modifier material and parameter play critical decisive action for the performance of the finished product, gained of the present invention gathers materials-and asphalt interface modifier material can improve-the adhesion property of asphalt interface of gathering materials, strengthen the bonding of pitch and building stones.Effectively can reduce gather materials use and transportation cost simultaneously, high quality asphalt road surface can be widely used in and build industry.
specific implementation method
Do specifically to describe in detail further to the present invention below in conjunction with specific embodiment, but embodiments of the present invention are not limited thereto, for the processing parameter do not indicated especially, can refer to routine techniques and carry out.
embodiment 1
(1) by following formula: 15 parts of KH-550 silane coupling agents (20g), 1 part of soluble oil (glycerine), 1.5 parts of lead salt composite thermal stabilizers, 1 part of antioxidant 1010,0.5 part of sodium alkyl benzene sulfonate, and take 25 parts of aqueous epoxy resins and be dissolved in 20 parts of deionized waters, each component is uniformly mixed.
(2) by following formula: 8 part of 928 promotor, 8 parts of aminoethyl piperazines, be dissolved in 20 parts of deionized waters, makes each component fully be uniformly mixed.
(3) solution mixing step (1) (2) obtained, at room temperature mix and blend, obtains antistripping agent, i.e. interfacial modifier material.
(4) in asphalt, 2%(weight percent is mixed) antistripping agent, surface of aggregate (finer atomization system is the atomisation unit of stone surface modification in a kind of laboratory in patent 201420210732.9, and efficient foamed system is the foam device of stone surface modification in a kind of laboratory in patent 201420210697.0) is applied to by finer atomization system and efficient foamed system.
embodiment 2
(1) by following formula: 15 parts of KH-550 silane coupling agents (20g), 1.5 parts of soluble oils (glycerine), 1.5 parts of lead salt stabilizers, 1.5 parts of antioxidant 1010s, 0.5 part of sodium alkyl benzene sulfonate, and take 35 parts of aqueous epoxy resins and be dissolved in 20 parts of deionized waters, each component is uniformly mixed.
(2) by following formula: 5 part of 928 promotor, 10 parts of aminoethyl piperazines, be dissolved in 15 parts of deionized waters, makes each component fully be uniformly mixed.
(3) solution mixing step (1) (2) obtained, at room temperature mix and blend, obtains antistripping agent, i.e. interfacial modifier material.
(4) in asphalt, 2%(weight percent is mixed) antistripping agent of the present invention, be applied to surface of aggregate by finer atomization system and efficient foamed system.
embodiment 3
According to national sector standard---adhesion test method (T0616-1993) water-boiling method of highway engineering pitch and Asphalt Mixture Experiment code (JTG E-20-2011) medium pitch and coarse aggregate completes adhesivity rank test.Below test and all use embodiment 1 products obtained therefrom to test, the effect of embodiment 2 products obtained therefrom can refer to following data.
table 1. example 1 adhesivity contrasts
| Array mode | Adhere to grade |
| Acid stone+pitch | 3 grades |
| Acid stone+pitch+traditional antistripping agent | 4 grades |
| Acid stone+pitch+interface modifier | 5 grades |
| Alkalescence building stones+pitch | 4 ~ 5 grades |
| Alkalescence building stones+pitch+traditional antistripping agent | 4 ~ 5 grades |
| Alkalescence building stones+interface modifier | 5 grades |
Adhesivity level data shows (table 1), no matter is acidity aggregate or alkali aggregate, and after interpolation interfacial modifier material, its adhesivity grade is all improved.Pitch and the adsorptive power that interphase interaction produces of gathering materials all increase, and the intensity of bituminous pavement, water stability and weather resistance are all improved.
By wheel tracking test---be the test specimen of 30cm*30cm*5cm, heavily about 10kg by asphalt compact dimensions on special contoured machine.We can obtain the dynamic stability experimental result (secondary/mm) of high temperature resistance rutting deformation ability, and acceptance value is 1000 times/mm:
table 2. example 1 high temperature resistance rut ability contrasts
| Array mode | Dynamic stability (secondary/mm) |
| Acid stone+pitch | 820 |
| Acid stone+pitch+traditional antistripping agent | 1130 |
| Acid stone+pitch+interface modifier | 2026 |
| Alkalescence building stones+pitch | 1705 |
| Alkalescence building stones+pitch+traditional antistripping agent | 1738 |
| Alkalescence building stones+interface modifier | 2326 |
Wheel tracking test data show (table 2), and for acidity aggregate, interface modification material can improve the high temperature Rut resistance deformability of asphalt greatly, promotes 1.5 ~ 3 times; For alkali aggregate, can 30% ~ 60% be improved.
By indirect tensile test on frozen-thaw----in normal-temperature water, soak 20min with the marshal piece (porosity of test specimen reaches 6% ~ 8%) that two sides hits real 50 times, vacuum is satisfied and is put into-18 DEG C of refrigerator and cooled after water and freeze 16h, then in 60 DEG C of water-baths, place 24h, complete a freeze-thaw cycle.Then test its cleavage strength after soaking 4h in 25 DEG C of water, by this intensity compared with 25 DEG C of cleavage strengths without freeze-thaw cycle test specimen, obtain Ratio of split strength, index is as the water stability index of asphalt according to this.We obtain anti-water damage capacity experimental result (indirect tensile strength ratio, acceptance value is 75%);
table 3. example 1 water resistant damages ability contrast
| Array mode | Indirect tensile strength ratio |
| Acid stone+pitch | 83.7% |
| Acid stone+pitch+traditional antistripping agent | 91.0% |
| Acid stone+pitch+interface modifier | 98.0% |
| Alkalescence building stones+pitch | 91.0% |
| Alkalescence building stones+pitch+traditional antistripping agent | 92.0% |
| Alkalescence building stones+interface modifier | 95.0% |
Indirect tensile test on frozen-thaw data show (table 3), and for acidity aggregate, interface modifier can significantly improve the anti-water damage ability of asphalt, promote 17% ~ 50%; For alkali aggregate, slightly promote.
By four-point bending fatigue test (as shown in table 4), under the test conditions of 200 microstrains, when corresponding asphalt optimum content, strict shaping test piece on request, adopt Cooper protracted test machine to carry out four-point bending fatigue test, we obtain experimental result fatigue lifetime (/ time) of antifatigue cracking ability:
The contrast of table 4. example 1 antifatigue cracking ability
| Array mode | Fatigue lifetime (secondary) |
| Acid stone+pitch | 468352 |
| Acid stone+pitch+traditional antistripping agent | 510345 |
| Acid stone+pitch+interface modifier | 612041 |
| Alkalescence building stones+pitch | 556723 |
| Alkalescence building stones+pitch+traditional antistripping agent | 572343 |
| Alkalescence building stones+interface modifier | 623876 |
Fatigue data shows, for acidity aggregate, interface modifier can significantly improve the fatigue lifetime of asphalt, promotes 30% ~ 100%.For alkali aggregate, can 12% ~ 50% be improved.
Generally speaking, by using interface modification materials and process, many-sided can improve the Asphalt Mixture Performance after acidity aggregate and alkali aggregate and asphalt adhesive, especially maximum to the high-temperature stability contribution of acidity aggregate, also obviously can improve antifatigue cracking ability and the water stability of asphalt simultaneously.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (10)
1. gather materials-the interfacial modifier material of pitch, and it is characterized in that, described interfacial modifier material is prepared by following component, and described component is counted by weight:
Solvent 20 ~ 40
Resin 20 ~ 30
Coupling agent 5 ~ 20
Promotor 3 ~ 10
Lubricant 0.5 ~ 3
Stablizer 0.5 ~ 2
Oxidation inhibitor 0.5 ~ 2
Emulsifying agent 0.3 ~ 2
Tensio-active agent 0.3 ~ 2
Processing aid 5 ~ 10.
2. according to claim 1ly gather materials-the interfacial modifier material of pitch, it is characterized in that: described solvent is water-soluble solvent, described water-soluble solvent comprise in deionized water or alcohol more than one.
3.-asphalt interface the modifier material that gathers materials according to claim 1, is characterized in that: described resin is aqueous epoxy resins.
4. according to claim 1ly gather materials-the interfacial modifier material of pitch, and it is characterized in that: described coupling agent is silane coupling agent, described silane coupling agent is γ-aminopropyl triethoxysilane; Described promotor is 928 promotor.
5. according to claim 1ly gather materials-the interfacial modifier material of pitch, and it is characterized in that: described lubricant is soluble oil, described soluble oil composition comprises water, fiber, glycerine, propyleneglycoles, spices or Sucralose; Described stablizer is lead salt stabilizer.
6. according to claim 1ly gather materials-the interfacial modifier material of pitch, it is characterized in that: described oxidation inhibitor is more than one in antioxidant 1010, antioxidant 1076 or antioxidant TNP.
7. according to claim 1ly gather materials-the interfacial modifier material of pitch, it is characterized in that: described emulsifying agent is more than one in gum arabic, sodium alkyl benzene sulfonate.
8. according to claim 1ly gather materials-the interfacial modifier material of pitch, it is characterized in that: described tensio-active agent is zwitter-ion surface-modifying agent, and described zwitter-ion surface-modifying agent is more than one in Yelkin TTS, amino-type or betaine type; Described processing aid is solidifying agent, and described solidifying agent is more than one in aliphatics amine diethylene triamine (DETA) or aminoethyl piperazine (AE).
9. gather materials described in claim 1-interfacial modifier material of pitch is applied to modified aggregate 's surface property used for asphalt mixture.
10. application according to claim 9, is characterized in that, modifier material is applied to surface of aggregate by finer atomization system and efficient foamed system.
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| CN104926194A (en) * | 2015-06-05 | 2015-09-23 | 华南理工大学 | Water-soluble aggregate-asphalt interface rust-proof modifying agent and preparation method and application |
| CN104926172A (en) * | 2015-06-05 | 2015-09-23 | 华南理工大学 | Oily aggregate-asphalt interface rust-preventing modifier as well as preparation method and application thereof |
| CN106565121A (en) * | 2016-10-19 | 2017-04-19 | 山西省交通科学研究院 | A surface treatment method for waste cement concrete regenerated aggregate |
| CN106587742A (en) * | 2016-12-16 | 2017-04-26 | 长安大学 | Method for improving interface adhesion between glass aggregate and asphalt by using nanometer iron oxide |
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| CN107805988A (en) * | 2017-11-03 | 2018-03-16 | 山东交通学院 | A kind of heated bitumen gluing layer and application method for radar measuring surface thickness |
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| CN110183864A (en) * | 2019-05-27 | 2019-08-30 | 山东高速路用新材料技术有限公司 | A kind of special asphalt and preparation method improving building stones and asphalt adhesion |
| CN110760258A (en) * | 2019-10-24 | 2020-02-07 | 樊星 | Asphalt interface modifier, preparation method and application thereof |
| CN112375327A (en) * | 2020-10-19 | 2021-02-19 | 上海市政工程设计研究总院（集团）有限公司 | Cementing material modifier for ultrathin overlay asphalt mixture |
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| CN114196219A (en) * | 2021-12-20 | 2022-03-18 | 山东高速建设管理集团有限公司 | Asphalt anti-stripping agent and preparation method and application thereof |
| CN114351534A (en) * | 2022-01-20 | 2022-04-15 | 广西北投交通养护科技集团有限公司 | Novel modified asphalt mixture batching device and use method thereof |
| CN116199454A (en) * | 2023-03-17 | 2023-06-02 | 山东高速集团有限公司 | High-inducibility self-healing asphalt concrete based on solid waste aggregate and preparation method thereof |
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