CN110982289A - Normal-temperature thermosetting modified asphalt material - Google Patents
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- CN110982289A CN110982289A CN201911308175.8A CN201911308175A CN110982289A CN 110982289 A CN110982289 A CN 110982289A CN 201911308175 A CN201911308175 A CN 201911308175A CN 110982289 A CN110982289 A CN 110982289A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/36—Bituminous materials, e.g. tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Ceramic Engineering (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a cold-in-place regenerated normal-temperature thermosetting asphalt material which comprises the following raw materials in parts by mass: e component and F component of normal temperature type thermosetting modified asphalt, pre-mixed dry material for in-situ cold regeneration, old material milled and milled on road surface and new aggregate; the invention overcomes the defects that the in-situ hot regeneration technology consumes a large amount of fuel and is easy to cause further aging of asphalt components in the mixture, and the defects of insufficient high-temperature anti-rutting performance, water stability and the like of the existing in-situ cold regenerated mixture.
Description
Technical Field
The invention relates to the field of infrastructure materials, in particular to a normal-temperature thermosetting modified asphalt material for a road in-situ cold regeneration technology.
Background
At present, with the rapid development of highway construction industry in China, the application of asphalt roads is more and more extensive, and meanwhile, many constructed asphalt roads gradually enter a maintenance stage. The traditional asphalt pavement maintenance method is to pave the asphalt surface layer and the base layer again after milling, but causes the problems of high cost, long construction period, material waste and the like.
The in-situ cold regeneration technology is that the original asphalt pavement is milled, crushed and screened on site to obtain milled material, and then new aggregate, emulsified asphalt, active filler and water in a certain proportion are added to regenerate, pave and roll the road at normal temperature. Compared with the prior art, the cold in-place pavement recycling mostly adopts emulsified asphalt as a pavement bonding material. Because the bonding force of the emulsified asphalt is not as good as that of hot asphalt, and the interface bonding of the hardened cement paste, the emulsified asphalt and the milling material is weak, the in-situ cold recycled pavement is often damaged by loosening, stripping and the like in the use process. At present, the market demand is difficult to meet by using a single emulsified asphalt, and the related problems are mainly related to the demulsification speed of the emulsified asphalt and the characteristics and the grading of milled materials, so that novel modified asphalt with multiple purposes and excellent performance is required to be continuously developed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides normal-temperature thermosetting modified asphalt which is characterized by comprising an E component and an F component, wherein the E component and the F component are uniformly mixed and cured at 4-60 ℃, and the mass ratio of the E component to the F component is 1: 0.8-1: 4.0.
Preferably, the modified asphalt comprises the following components in parts by mass:
and E, component (E):
and F component:
preferably, the epoxy vinyl resin is: one or a mixture of more than two of bisphenol A epoxy ethylene resin, brominated bisphenol A epoxy ethylene resin and novolac epoxy ethylene resin.
Preferably, the epoxy resin is: one or a mixture of two or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and hydrogenated bisphenol A type epoxy resin.
Preferably, the epoxy resin diluent is: one or a mixture of more than two of glycidyl ether reactive diluents such as phenyl glycidyl ether, ethylene glycol diglycidyl ether, C12-14 fatty glycidyl ether, polyethylene glycol glycidyl ether, polypropylene glycol glycidyl ether, alkylphenol glycidyl ether, neopentyl glycol glycidyl ether, neodecanoic acid glycidyl ether, butanediol glycidyl ether, cyclohexanedimethanol glycidyl ether, trimethylolpropane glycidyl ether, castor oil polyglycidyl ether and the like.
Preferably, (part by mass of epoxy resin in the E component + part by mass of epoxy resin in the F component)/(part by mass of asphalt in the E component + part by mass of asphalt in the F component) > 0.5.
The invention also provides a cold-in-place renewable normal-temperature thermosetting asphalt mixture which is characterized by comprising the following components in parts by mass:
wherein the normal temperature type thermosetting modified asphalt is the modified asphalt of one of claims 1 to 8.
Preferably, the cold in place recycling ready-mixed dry material comprises the following components: 60-80 parts of hydraulic cementing material, 20-40 parts of latent hydraulic material (silica fume, fly ash, metakaolin, granulated blast furnace slag powder and the like), 20-60 parts of calcium hydroxide and 0-2 parts of high-efficiency water reducing agent.
The invention also provides a preparation method of the normal temperature type thermosetting modified asphalt, which is characterized by comprising the following steps:
step 1: adding 1-15 parts by mass of epoxy vinyl resin, 20-65 parts by mass of epoxy resin, 5-15 parts by mass of epoxy resin diluent, 1-5 parts by mass of amine curing agent and 20-100% of 5-68 parts by mass of asphalt in the component E into a reactor, heating to 60-100 ℃, reacting for 1-2 hours, adding the rest asphalt, mixing and stirring for 30-60 min to obtain the component E;
step 2: adding 20-65 parts by mass of an amine curing agent, 1-5 parts by mass of a curing accelerator and 2-20 parts by mass of epoxy resin in the component F into a reactor, heating to 60-100 ℃, reacting for 30-60 min, then adding 1-15 parts by mass of a polybutadiene maleic anhydride adduct, 1-10 parts by mass of polyisobutenyl diimine, 1-10 parts by mass of an active diluent and 5-77 parts by mass of asphalt into the reactor, heating to 60-100 ℃, mixing and stirring for 30-60 min, and reacting for 1-6 h until all epoxy groups react to obtain the component F;
and step 3: and uniformly mixing the component E and the component F at the temperature of 4-60 ℃ to obtain the modified asphalt.
The invention also provides a preparation method of the normal-temperature thermosetting modified asphalt mixture, which is characterized by comprising the following steps of: and (3) mixing the modified asphalt with the premixed dry material, the old pavement milling material and the new aggregate, and standing for 1-5 hours to obtain the mixture.
Compared with the prior art, the invention at least has the following beneficial effects:
(1) the high-performance thermosetting modified asphalt mixture regenerated in a cold-in-place manner overcomes the defects that a large amount of fuel is consumed by a hot-in-place regeneration technology, and further aging of asphalt components in the mixture is easy to cause;
(2) the high-performance thermosetting modified asphalt mixture regenerated in a cold-in-place manner overcomes the defects of insufficient high-temperature anti-rutting performance, water stability and the like of the mixture regenerated in a cold-in-place manner;
(3) according to the in-situ cold-recycled high-performance thermosetting modified asphalt mixture, when the mass ratio of epoxy resin in the component E to epoxy resin in the component F)/(the mass ratio of asphalt in the component E to asphalt in the component F) is more than 0.5, a material with more excellent performance can be obtained.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1. The preparation of normal temperature type thermosetting modified asphalt comprises the following steps:
step 1: adding 1-15 parts by mass of epoxy vinyl resin, 20-65 parts by mass of epoxy resin, 5-15 parts by mass of epoxy resin diluent, 1-5 parts by mass of amine curing agent and 20-100% of 5-68 parts by mass of asphalt in the component E into a reactor, heating to 60-100 ℃, reacting for 1-2 hours, adding the rest asphalt, mixing and stirring for 30-60 min to obtain the component E;
step 2: adding 20-65 parts by mass of an amine curing agent, 1-5 parts by mass of a curing accelerator and 2-20 parts by mass of epoxy resin into a reactor, heating to 60-100 ℃, reacting for 30-60 min, then adding 1-15 parts by mass of a polybutadiene maleic anhydride adduct, 1-10 parts by mass of polyisobutenyl diimine, 1-10 parts by mass of an active diluent and 5-77 parts by mass of asphalt into the reactor, heating to 60-100 ℃, mixing and stirring for 30-60 min, and reacting for 1-6 h until all epoxy groups react to obtain an F component;
2. the preparation of the normal temperature type thermosetting modified asphalt mixture comprises the following steps:
step 1: uniformly mixing the component E and the component F according to the proportion of 1: 0.8-1: 4.0 at the temperature of 4-60 ℃;
step 2: and (2) mixing the mixture obtained in the step (1) with a premixed dry material, a road milling old material and a new aggregate, wherein the water content of the milling old material is 0.5-4.0%, and standing for 1-5 h to obtain the normal-temperature thermosetting modified asphalt mixture of the road cold-in-place recycling technology.
Preferably, (mass parts of epoxy resin in the component E + mass parts of epoxy resin in the component F)/(mass parts of asphalt in the component E + mass parts of asphalt in the component F) >0.5, an asphalt material with more excellent performance can be obtained, specifically referring to table 1, where table 1 is a performance index of the normal-temperature thermosetting modified asphalt mixture of each specific example in the present invention;
TABLE 1
Example 1
1. Preparing normal temperature type thermosetting modified asphalt: taking 10 parts by mass of epoxy vinyl resin (Dow chemical DERAKANE bisphenol A general type 411-350), 35 parts by mass of epoxy resin (Taiwan south Asia science and technology NPEF-170), 10 parts by mass of epoxy resin diluent (Taiwan south Asia science and technology active epoxy diluent 501), 2 parts by mass of amine curing agent (Taiwan south Asia science and technology polyether amine curing agent D-230) and 10 parts by mass of asphalt (Shell 70# petroleum asphalt) in the E component, adding the rest 20 parts by mass of asphalt into a reactor, heating to 80 ℃, reacting for 2 hours, then mixing and stirring for 30 minutes to obtain the E component;
adding 25 parts by mass of an amine curing agent (American Hensman polyamide curing agent ARADUR-350) in the F component, 3 parts by mass of a curing accelerator (American Aichemie ANCAMINE K54), and 5 parts by mass of epoxy resin (Taiwan southern Asia science NPEF-170) into a reactor, heating to 85 ℃, reacting for 30min, then adding 10 parts by mass of a polybutadiene maleic anhydride adduct (Beijing Yanshan modified polybutadiene 3#), 6 parts by mass of polyisobutenyl diimine (Whitman chemical T154A), 2 parts by mass of a reactive diluent (American Hensman DY-3601), and 30 parts by mass of asphalt (Shell 70# petroleum asphalt) into the reactor, heating to 90 ℃, mixing and stirring for 30min, and reacting for 3h until all epoxy groups react to obtain an F component;
2. preparing a normal-temperature thermosetting modified asphalt mixture: uniformly mixing the component E and the component F according to the proportion of 1:1 at 30 ℃, mixing 2 parts by mass of premixed dry materials (65 parts by mass of hydraulic cementing materials, 25 parts by mass of latent hydraulic materials (silica fume: coal ash: metakaolin ═ 2:2:1), 30 parts by mass of calcium hydroxide and 1 part by mass of high-efficiency water reducing agents), 78 parts by mass of road milling old materials and 20 parts by mass of new aggregates, wherein the water content of the milling old materials is 0.5%, and standing for 3 hours to obtain the normal-temperature thermosetting modified asphalt mixture of the road in-situ cold recycling technology.
Example 2
1. Preparing normal temperature type thermosetting modified asphalt: taking 10 parts by mass of epoxy vinyl resin (Shanghai Huachang SW901), 25 parts by mass of epoxy resin (American Hensman Ailaoda 36285), 8 parts by mass of epoxy resin diluent (American Hensman ARALDITE DY-E C12-C14), 5 parts by mass of amine curing agent (American gas chemical polyamide curing agent SUNMIDE353N) and 20 parts by mass of asphalt (Shandong Jingbo 70# petroleum asphalt) in the component E, adding the mixture into a reactor, heating the mixture to 90 ℃, reacting for 2 hours, then adding the rest 20 parts by mass of asphalt, and mixing and stirring for 40min to obtain the component E;
adding 28 parts by mass of an amine curing agent (American Hensman polyamide curing agent ARADUR 955) in a component F, 3 parts by mass of a curing accelerator (American Aichemie ANCAMINE K54), 2 parts by mass of an epoxy resin (American Hensman Elongda ARALDITE GY285) into a reactor, heating to 90 ℃, reacting for 40min, then adding 10 parts by mass of a polybutadiene maleic anhydride adduct (Beijing Yanshan modified polybutadiene 3#), 5 parts by mass of polyisobutenyl diimine (Nantong Runfeng T154A), 5 parts by mass of an active diluent (American Hensman ARALDITE DY-E C12-C14) and 40 parts by mass of asphalt (Shandong Jingbo 70# petroleum asphalt) into the reactor together, heating to 95 ℃, reacting for 5h until all epoxy groups react, and mixing and stirring for 40min to obtain a component F;
2. preparing a normal-temperature thermosetting modified asphalt mixture: uniformly mixing the component E and the component F according to the proportion of 1:1 at 35 ℃, mixing 3 parts by mass of premixed dry materials (70 parts by mass of hydraulic cementing materials P.O.42.5 ordinary portland cement, 30 parts by mass of latent hydraulic materials (silica fume: fly ash: metakaolin ═ 2:1:1), 40 parts by mass of calcium hydroxide and 0.5 part by mass of high-efficiency water reducing agent), 80 parts by mass of road milling old materials and 17 parts by mass of new aggregates, wherein the water content of the milling old materials is 1.5%, and standing for 2 hours to obtain the normal-temperature thermosetting modified asphalt mixture of the road in-situ cold recycling technology.
Example 3
1. Preparing normal temperature type thermosetting modified asphalt: adding 10 parts by mass of epoxy vinyl resin (HETRON 922) in the E component, 30 parts by mass of epoxy resin (Dow chemical DER 332), 15 parts by mass of epoxy resin diluent (AGE often held in Changzhou), 5 parts by mass of amine curing agent (American Hensman D230) and 15 parts by mass of asphalt (Jinshan petrochemical 70# petroleum asphalt) in a reactor, heating to 75 ℃, reacting for 1.5h, adding 25 parts by mass of the rest asphalt, mixing and stirring for 20min to obtain the E component;
adding 20 parts by mass of an amine curing agent (American Henschel amidoamine curing agent ANCAMIDE 501) in the component F, 3 parts by mass of a curing accelerator (Taiwan southern Asia technology curing accelerator K-54) and 4 parts by mass of epoxy resin (Taiwan southern Asia technology NPEF-170) into a reactor, heating to 80 ℃, reacting for 20min, then adding 10 parts by mass of a polybutadiene maleic anhydride adduct (Shanghai Sendai chemical RICBOND 1756), 6 parts by mass of polyisobutenyl diimine (Nantong Runfeng T154A), 3 parts by mass of an active diluent (Changzhou Sheng AGE) and 35 parts by mass of asphalt (Jinshan petrochemical No. 70 petroleum asphalt) into the reactor, heating to 85 ℃, mixing and stirring for 20min, and reacting for 2h until all epoxy groups react to obtain a component F;
2. preparing a normal-temperature thermosetting modified asphalt mixture: uniformly mixing the component E and the component F according to the proportion of 1:1 at 25 ℃, mixing with 35 parts by mass of premixed dry materials (60 parts by mass of hydraulic cementing materials P.O.42.5 ordinary portland cement, 5 parts by mass of latent hydraulic materials (silica fume: fly ash: metakaolin: granulated blast furnace slag powder is 1:2:1:1), 35 parts by mass of calcium hydroxide and 1.5 parts by mass of high-efficiency water reducing agent), 70 parts by mass of road milling old materials and 25 parts by mass of new aggregates, wherein the water content of the milling old materials is 4.0 percent, and standing for 3 hours to obtain the normal-temperature thermosetting modified asphalt mixture of the road in-situ cold recycling technology.
The applicant declares that the present invention illustrates the detailed structural features of the present invention through the above embodiments, but the present invention is not limited to the above detailed structural features, that is, it does not mean that the present invention must be implemented depending on the above detailed structural features. It should be understood by those skilled in the art that any modifications of the present invention, equivalent substitutions of selected components of the present invention, additions of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The normal-temperature thermosetting modified asphalt is characterized by comprising an E component and an F component, wherein the E component and the F component are uniformly mixed and cured at 4-60 ℃, and the mass ratio of the E component to the F component is 1: 0.8-1: 4.0.
3. the modified asphalt of claim 1, wherein the epoxy vinyl resin is: one or a mixture of more than two of bisphenol A epoxy ethylene resin, brominated bisphenol A epoxy ethylene resin and novolac epoxy ethylene resin.
4. The modified asphalt of claim 1, wherein the epoxy resin is: one or a mixture of two or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and hydrogenated bisphenol A type epoxy resin.
5. The modified asphalt of claim 1, wherein the epoxy resin diluent is: one or a mixture of more than two of glycidyl ether reactive diluents such as phenyl glycidyl ether, ethylene glycol diglycidyl ether, C12-14 fatty glycidyl ether, polyethylene glycol glycidyl ether, polypropylene glycol glycidyl ether, alkylphenol glycidyl ether, neopentyl glycol glycidyl ether, neodecanoic acid glycidyl ether, butanediol glycidyl ether, cyclohexanedimethanol glycidyl ether, trimethylolpropane glycidyl ether, castor oil polyglycidyl ether and the like.
6. The modified asphalt according to claim 1, wherein (part by mass of epoxy resin in component E + part by mass of epoxy resin in component F)/(part by mass of asphalt in component E + part by mass of asphalt in component F) > 0.5.
8. The normal temperature thermosetting modified asphalt mixture as claimed in claim 7, wherein the pre-mix dry material for cold in place recycling comprises the following components: 60-80 parts of hydraulic cementing material, 20-40 parts of latent hydraulic material (silica fume, fly ash, metakaolin, granulated blast furnace slag powder and the like), 20-60 parts of calcium hydroxide and 0-2 parts of high-efficiency water reducing agent.
9. The process for preparing the ordinary-temperature thermosetting modified asphalt according to any one of claims 1 to 6, characterized in that it comprises the steps of:
step 1: adding 1-15 parts by mass of epoxy vinyl resin, 20-65 parts by mass of epoxy resin, 5-15 parts by mass of epoxy resin diluent, 1-5 parts by mass of amine curing agent and 20-100% of 5-68 parts by mass of asphalt in the component E into a reactor, heating to 60-100 ℃, reacting for 1-2 hours, adding the rest asphalt, mixing and stirring for 30-60 min to obtain the component E;
step 2: adding 20-65 parts by mass of an amine curing agent, 1-5 parts by mass of a curing accelerator and 2-20 parts by mass of epoxy resin in the component F into a reactor, heating to 60-100 ℃, reacting for 30-60 min, then adding 1-15 parts by mass of a polybutadiene maleic anhydride adduct, 1-10 parts by mass of polyisobutenyl diimine, 1-10 parts by mass of an active diluent and 5-77 parts by mass of asphalt into the reactor, heating to 60-100 ℃, mixing and stirring for 30-60 min, and reacting for 1-6 h until all epoxy groups react to obtain the component F;
and step 3: and uniformly mixing the component E and the component F at the temperature of 4-60 ℃ to obtain the modified asphalt.
10. The method for preparing a mix of modified asphalt and thermosetting material of the normal temperature type according to one of claims 7 to 8, characterized in that: and (3) mixing the modified asphalt with the premixed dry material, the old pavement milling material and the new aggregate, and standing for 1-5 hours to obtain the mixture.
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CN111851193A (en) * | 2020-07-01 | 2020-10-30 | 南京励米青新材料科技有限公司 | Environment-friendly asphalt structure and construction method thereof |
CN112408861A (en) * | 2020-11-18 | 2021-02-26 | 南京励米青新材料科技有限公司 | Environment-friendly normal-temperature thermosetting modified adhesive material for quick repair |
CN112724698A (en) * | 2021-01-18 | 2021-04-30 | 湖南腾达岩土工程技术有限公司 | High-temperature secondary curing epoxy modified asphalt pavement paving material and preparation and use method thereof |
CN116178975A (en) * | 2023-03-10 | 2023-05-30 | 南京林业大学 | Preparation method of hydrogenated epoxy resin modified emulsified asphalt |
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CN107083731A (en) * | 2017-04-14 | 2017-08-22 | 南京理工大学 | The normal temperature type thermosetting modification asphalt material of level-crossing bituminous paving and its construction method mated formation |
CN110284390A (en) * | 2019-07-10 | 2019-09-27 | 南京城建隧桥经营管理有限责任公司 | A kind of asphalt pavement structure and its method for paving for city tunnel deformation joint |
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CN107011686A (en) * | 2017-04-11 | 2017-08-04 | 朱吉鹏 | A kind of normal temperature type thermosetting epoxy asphalt material of the long steep slope road section bituminous paving of highway and its preparation method and application |
CN107083731A (en) * | 2017-04-14 | 2017-08-22 | 南京理工大学 | The normal temperature type thermosetting modification asphalt material of level-crossing bituminous paving and its construction method mated formation |
CN110284390A (en) * | 2019-07-10 | 2019-09-27 | 南京城建隧桥经营管理有限责任公司 | A kind of asphalt pavement structure and its method for paving for city tunnel deformation joint |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111851193A (en) * | 2020-07-01 | 2020-10-30 | 南京励米青新材料科技有限公司 | Environment-friendly asphalt structure and construction method thereof |
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CN112408861A (en) * | 2020-11-18 | 2021-02-26 | 南京励米青新材料科技有限公司 | Environment-friendly normal-temperature thermosetting modified adhesive material for quick repair |
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CN116178975A (en) * | 2023-03-10 | 2023-05-30 | 南京林业大学 | Preparation method of hydrogenated epoxy resin modified emulsified asphalt |
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Application publication date: 20200410 |