CN117004186A - Epoxy modifier for hot-mix asphalt - Google Patents
Epoxy modifier for hot-mix asphalt Download PDFInfo
- Publication number
- CN117004186A CN117004186A CN202311051302.7A CN202311051302A CN117004186A CN 117004186 A CN117004186 A CN 117004186A CN 202311051302 A CN202311051302 A CN 202311051302A CN 117004186 A CN117004186 A CN 117004186A
- Authority
- CN
- China
- Prior art keywords
- epoxy
- hot
- asphalt
- curing agent
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 95
- 239000004593 Epoxy Substances 0.000 title claims abstract description 57
- 239000003607 modifier Substances 0.000 title claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 53
- 239000012745 toughening agent Substances 0.000 claims abstract description 44
- 239000003822 epoxy resin Substances 0.000 claims abstract description 41
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 41
- 238000004132 cross linking Methods 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 125000001183 hydrocarbyl group Chemical group 0.000 claims abstract description 11
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical group C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001408 amides Chemical group 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 26
- 239000002253 acid Substances 0.000 claims description 13
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 150000002989 phenols Chemical class 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 claims description 8
- -1 kadeliol Chemical compound 0.000 claims description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 7
- YWWVWXASSLXJHU-AATRIKPKSA-N (9E)-tetradecenoic acid Chemical compound CCCC\C=C\CCCCCCCC(O)=O YWWVWXASSLXJHU-AATRIKPKSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- LKOVPWSSZFDYPG-WUKNDPDISA-N trans-octadec-2-enoic acid Chemical compound CCCCCCCCCCCCCCC\C=C\C(O)=O LKOVPWSSZFDYPG-WUKNDPDISA-N 0.000 claims description 6
- 229910000464 lead oxide Inorganic materials 0.000 claims description 5
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- OQWKEEOHDMUXEO-UHFFFAOYSA-N (6)-shogaol Natural products CCCCCC=CC(=O)CCC1=CC=C(O)C(OC)=C1 OQWKEEOHDMUXEO-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000021319 Palmitoleic acid Nutrition 0.000 claims description 4
- OQWKEEOHDMUXEO-BQYQJAHWSA-N [6]-Shogaol Chemical compound CCCCC\C=C\C(=O)CCC1=CC=C(O)C(OC)=C1 OQWKEEOHDMUXEO-BQYQJAHWSA-N 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-MDZDMXLPSA-N elaidic acid Chemical compound CCCCCCCC\C=C\CCCCCCCC(O)=O ZQPPMHVWECSIRJ-MDZDMXLPSA-N 0.000 claims description 4
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 claims description 4
- 235000020778 linoleic acid Nutrition 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 150000002696 manganese Chemical class 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- XRFYZEHRLUNWIJ-UHFFFAOYSA-N 3-pentadec-1-enylphenol Chemical compound CCCCCCCCCCCCCC=CC1=CC=CC(O)=C1 XRFYZEHRLUNWIJ-UHFFFAOYSA-N 0.000 claims description 3
- YWWVWXASSLXJHU-UHFFFAOYSA-N 9E-tetradecenoic acid Natural products CCCCC=CCCCCCCCC(O)=O YWWVWXASSLXJHU-UHFFFAOYSA-N 0.000 claims description 3
- 150000001868 cobalt Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 claims description 3
- 229960003656 ricinoleic acid Drugs 0.000 claims description 3
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001336 alkenes Chemical group 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 125000003700 epoxy group Chemical group 0.000 abstract description 11
- 230000014759 maintenance of location Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 58
- 239000000203 mixture Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 238000002156 mixing Methods 0.000 description 13
- 125000003368 amide group Chemical group 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 239000000376 reactant Substances 0.000 description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011384 asphalt concrete Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000011133 lead Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- DQHMTJSDCRBKNQ-UHFFFAOYSA-N pentadec-1-en-1-ol Chemical compound CCCCCCCCCCCCCC=CO DQHMTJSDCRBKNQ-UHFFFAOYSA-N 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 239000004842 bisphenol F epoxy resin Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- RXBXBWBHKPGHIB-UHFFFAOYSA-L zinc;diperchlorate Chemical compound [Zn+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O RXBXBWBHKPGHIB-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2234—Oxides; Hydroxides of metals of lead
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The application provides an epoxy modifier for hot-mix asphalt, which comprises the following raw materials in parts by weight: the component A comprises 80-120 parts of epoxy resin and 5-10 parts of toughening agent; the component B comprises 60-70 parts of curing agent, 0.1-0.5 part of post-crosslinking auxiliary dryer and 4-5 parts of post-crosslinking auxiliary dryer; and (3) a component A: component B = 1-6:1-2; the toughening agent is a compound containing a hydrocarbon group, a phenyl group and a glycidyl ether structure; the curing agent is amide curing agent. The curing agent of the modifier is introduced with low-activity amide functional groups, and the low-activity amide functional groups are combined with epoxy groups to form polymerization-depolymerization chemical balance within the range of 150-180 ℃ so that the molecular weight of the system cannot continuously increase and the high-temperature retention time of asphalt is longer than 5 hours; the curing agent and the toughening agent in the modifier have the effect of assisting in dissolution and coupling of asphalt and epoxy, so that the epoxy system and the asphalt have excellent compatibility.
Description
Technical Field
The application belongs to the technical field of modified epoxy asphalt, and particularly relates to an epoxy modifier for hot-mix asphalt.
Background
Asphalt is a natural or artificially produced engineering material, and is mainly used as a sealing material for road engineering, pavement paving and reinforcement of bridges, floor pavement in high-rise buildings and hydraulic engineering. In modern bridge engineering, because the deflection deformation of the steel bridge is far greater than that of the traditional bridge, if the traditional asphalt is adopted for paving, the traditional asphalt is inapplicable due to the defects of brittleness, low bonding force with the steel plate, inadequacy of high temperature resistance and the like at low temperature.
Compared with the traditional asphalt, the epoxy asphalt has low-temperature toughness, higher bonding capacity and higher high-temperature softening point, has certain advantages in solving the defects of traditional asphalt pavement, but the epoxy is directly mixed with the asphalt, and has the following defects:
1. the epoxy material has excellent mechanical properties, and belongs to rigid polar materials. Bitumen is a plastic non-polar material. The two materials are difficult to dissolve. The epoxy asphalt can be directly used, so that split-phase layering is caused, and the advantages of the epoxy and the asphalt are difficult to develop.
2. The epoxy material has various curing modes, but has the characteristics of high-temperature curing speed and low-temperature curing speed. The asphalt is used by the processes of high-temperature mixing, high-temperature transportation, high-temperature paving and the like, the high-temperature retention time of the asphalt is short due to the addition of epoxy, the normal construction requirement is difficult to meet, and the problem that the retention time is exceeded frequently occurs, so that the epoxy asphalt cannot be used or the performance of the epoxy asphalt is greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides an epoxy modifier for hot-mix asphalt, wherein a curing agent of the modifier is introduced with a low-activity amido functional group, and the low-activity amido functional group is polymerized with the epoxy group within the range of 150-180 ℃ to form a long-chain molecule, but the polymerized group has the chemical balance of polymerization and depolymerization at 150-180 ℃, so that the molecular weight of a system can not be continuously increased, the high-temperature retention time of asphalt is longer than 5 hours, and the paving process requirement under the condition of most numbers can be met; and the curing agent and the toughening agent in the modifier have similar molecular chain structures and polarities as those of asphalt and epoxy, so that the asphalt and the epoxy are in dissolution-aiding coupling effect, the epoxy system and the asphalt have excellent compatibility, and the performance of the epoxy asphalt is further improved. After the epoxy modified asphalt is paved, the molecular chain depolymerization effect of the epoxy modifier is reduced along with the temperature reduction, the polymerization effect is increased, and a high molecular long chain structure is gradually formed, so that the epoxy modified asphalt has initial service performance. Over time, the double bond structure in the molecular chain of the epoxy modifier is oxidized and crosslinked under the action of the drier and the auxiliary drier, and finally the epoxy asphalt pavement layer structure meeting the heavy load condition of the steel bridge surface is formed.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
the component A comprises 80-120 parts of epoxy resin and 5-10 parts of toughening agent;
the component B comprises 60-70 parts of curing agent, 0.1-0.5 part of post-crosslinking auxiliary dryer and 4-5 parts of post-crosslinking dryer;
the component A comprises the following components: the B component = 1-6:1-2;
the toughening agent is a compound containing a hydrocarbon group, a phenyl group and a glycidyl ether structure;
the curing agent is an amide curing agent.
Further, the carbon number of the hydrocarbon group of the toughening agent is 10-15.
Further, the hydrocarbon group contains a double bond structure.
Further, the curing agent contains an unsaturated hydrocarbon group having 12 to 18 carbon atoms.
Further, the toughening agent is prepared by reacting unsaturated phenol with epichlorohydrin.
Further, the curing agent is prepared by reacting an unsaturated acid with ammonia.
Further, the unsaturated phenol is one or more of 3-pentadecenylphenol, kadeliol, and shogaol.
Further, the unsaturated acid is one or more of myristoleic acid, palmitoleic acid, trans-oleic acid, ricinoleic acid, octadecenoic acid, and linoleic acid.
Further, the epoxy resin is one or more of bisphenol A epoxy resin, bisphenol F epoxy resin and phenolic epoxy resin.
Further, the post-crosslinking drier is one of metal organic acid cobalt salt and manganese salt; the post-crosslinking auxiliary dryer is one or more of zinc oxide, active magnesium oxide, lead oxide and lead tetraoxide.
The beneficial effects of the application are as follows:
1. the embodiment of the application provides an epoxy modifier for hot-mix asphalt, which comprises epoxy resin, a toughening agent containing hydrocarbon groups, phenyl groups and glycidyl ethers, an amide curing agent, a post-crosslinking drier and a post-crosslinking auxiliary drier, wherein the epoxy resin is combined with asphalt in the modifier to improve the bonding capacity of the asphalt and the high-temperature softening point; the low-temperature toughness of the asphalt is improved by using a toughening agent and a curing agent, and the compatibility of the epoxy resin and the asphalt is improved; the amide group and the epoxy group in the curing agent are polymerized to form a long-chain molecule, and the polymerized group has polymerization-depolymerization chemical balance at 150-180 ℃, so that the molecular weight of the system can not continuously increase, the flow stability at high temperature is realized, and the residence time of the hot-mix asphalt is prolonged; after paving, the temperature is reduced, and the epoxy asphalt can be further crosslinked after being cured by air oxidation under the action of a post-crosslinking drier and a post-crosslinking auxiliary drier, so that the epoxy asphalt finally forms a stable reticular crosslinked structure, and excellent physical properties are provided.
2. The epoxy modifier for hot-mix asphalt provided by the embodiment of the application has the high-temperature retention time longer than 5 hours, and can meet the paving process requirements under the condition of most of asphalt.
Drawings
Fig. 1: experimental example aggregate grading state diagram
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention. Modifications, substitutions, or alterations are also possible in many other forms without departing from the basic technical spirit of the present disclosure, according to the general knowledge and conventional means of the present art.
The embodiment of the application relates to an epoxy modifier for hot-mix asphalt, which comprises the following raw materials in parts by weight:
the component A comprises 80-120 parts of epoxy resin and 5-10 parts of toughening agent;
the component B comprises 60-70 parts of curing agent, 4-5 parts of post-crosslinking drier and 0.1-0.5 part of post-crosslinking auxiliary drier;
the component A comprises the following components: the B component = 1-6:1-2;
the toughening agent is a compound containing a hydrocarbon group and a glycidyl ether structure;
the curing agent is an amide curing agent.
The epoxy modifier for the hot-mix asphalt is mainly suitable for hot-mix asphalt for paving heavy-duty steel bridge decks, and the epoxy modifier and the matrix asphalt are mixed according to the weight ratio of 1:1, putting the materials into a mixing station together, uniformly stirring the materials and aggregate (the aggregate is required by EA-10 in the technical Specification for pavement design and construction of highway steel bridge deck (JTG/T3364-02-2019)), and then discharging, transporting, paving, rolling and curing the materials (the paving, rolling and curing are the existing common technical modes of asphalt).
Recommended grading range of epoxy asphalt mixture
The epoxy modifier for the hot-mix asphalt comprises A, B components, wherein the toughening agent in the component A comprises a long-chain unsaturated group and a glycidyl ether structure, and the curing agent in the component B comprises a long-chain unsaturated amine group. The matrix asphalt is mainly a mixture of four materials including asphaltene, colloid, saturated components and aromatic components, and in the formula of the epoxy modifier, the epoxy resin and the aromatic structure in the molecular chain of the toughening agent are compatible only with the aromatic components in the asphalt and incompatible with other components; the low-polarity long-chain molecular structure of the toughening agent and the curing agent molecules can be fully compatible with asphaltenes, colloid and saturated components in asphalt; the amide structure of the curing agent and the glycidyl ether structure in the toughening agent can ensure compatibility with the epoxy resin. Therefore, the toughening agent and the curing agent can play a role in the dissolution-assisting coupling effect of the epoxy resin and the asphalt, so that the epoxy resin and the asphalt can be fully and completely mutually dissolved, the uniformity of the mixed asphalt performance is ensured, and the phenomenon of phase separation can not occur.
Meanwhile, as the curing agent contains the low-activity amide functional group, the group can polymerize with the epoxy group within the range of 150-180 ℃ to form a long-chain molecule. And the catalyst can be depolymerized at 150-180 ℃, so that the chemical balance of polymerization-depolymerization of the polymer base is realized, the molecular weight of the system can not be continuously increased, the flow stability at high temperature is realized, the high-temperature retention time is longer than 5 hours, and the paving process requirements under most conditions can be met. After pavement is completed, the depolymerization effect of the curing agent and the epoxy groups is reduced along with the reduction of the temperature, the polymerization effect is increased, the molecular weight is increased gradually, partial crosslinking is realized after cooling to normal temperature, the initial mechanical property is reflected, the Marshall strength of the modified asphalt concrete after 1 day is more than 20KN, and the modified asphalt concrete is more than the conventional SMA asphalt concrete strength (the Marshall strength of the SMA asphalt concrete is generally 8-12 KN) and can load vehicles to pass. Realizing the advantage of rapid traffic opening.
When the hot mix asphalt modifier according to the embodiment of the application is used, the hot mix asphalt modifier is prepared according to the following formula A, B=1-6: 1-2 accurately weighing and uniformly stirring, then putting the uniformly stirred modifier and hot matrix asphalt (70 # together into a mixing station, uniformly stirring with aggregate, discharging, and keeping the temperature at 160-ultra-high in the transportation process180 ℃, then spreading, rolling and curing according to the method in the prior art after reaching the destination, when the temperature is reduced to normal temperature, the double bond structure in the long unsaturated molecular chain in the toughening agent and the curing agent is oxidized by air under the action of auxiliary agents such as drier, auxiliary drier and the like, and the epoxy resin can be cured and further crosslinked (the curing mechanism is similar to that of air-drying alkyd resin), so that the epoxy asphalt finally forms a stable reticular crosslinked structure, excellent physical properties are provided, the final marshall strength of the epoxy asphalt can reach 80-100 KN, the flow value is 1.5-5.0, and the dynamic stability is improved>6000 times/mm, low temperature bending strain (-10 ℃ C.)>3×10 -3 Whereas the Marshall strength of common SMA asphalt concrete is generally 8-12 KN, the bearing capacity is far greater than that of common SMA pavement, and the Marshall asphalt concrete is suitable for the heavy load and high flux traffic requirements of bridges.
In one embodiment, the number of hydroxyl carbon atoms in the toughening agent is 10 to 15.
The number of carbon atoms of alkyl in the toughening agent is 10-15, the number of carbon atoms of alkyl in the curing agent is 12-18, and the carbon atoms are controlled in the range, so that four beneficial factors are that: 1. the raw materials in the range are conventional commercial raw materials, the raw materials are easy to obtain, the cost is low, and the market application of the modifier is facilitated. 2. The melting point of the material in the range is between 20 and 80 ℃, and the method is suitable for the production of the material; 3. the carbon atoms are controlled in the range, and basically keep the same with the carbon atoms of asphalt, so that the asphalt is compatible with the asphalt; 4. the carbon number in the range is easy to obtain the balance of the strength and the toughness of the material, and the material has excellent normal temperature and high temperature performance and better low temperature toughness.
In one embodiment, the toughening agent and the curing agent contain double bonds.
In the embodiment, the toughening agent and the curing agent contain double bonds, unsaturated groups in a molecular chain are oxidized in air under the action of auxiliary agents such as a drier, a drier aid and the like, and subsequent crosslinking is carried out, and after 7-15 days of curing, the full strength can be achieved, and the performance requirements of paving a steel bridge deck are met.
In one embodiment, the toughening agent is prepared by reacting an unsaturated phenol with epichlorohydrin.
The toughening agent in the embodiment is prepared by reacting unsaturated phenol with epichlorohydrin, and the prepared toughening agent contains epoxy groups and has good compatibility with epoxy resin, and meanwhile, the long-chain molecular chain has excellent compatibility with asphalt, so that the compatibility and mixing of the epoxy resin and the asphalt are facilitated; the epoxy groups in the toughening agent and the epoxy groups in the epoxy resin can participate in the reaction of the curing agent to form an inner toughening structure, so that the toughening durability of the resin can be ensured.
The unsaturated phenol has the following structural general formula:
the unsaturated phenol and propylene oxide have the following reaction formula:
the R is an olefin group, the carbon number of the R is 10-15, and the number of unsaturated bonds in the R is 1-3. R is preferably a straight chain.
The reaction process for preparing the toughening agent is as follows:
1mol of phenol containing C15 unsaturated groups and 1g of zinc perchlorate are respectively added into a 1L four-neck flask provided with a stirring, reflux condenser and a thermometer; starting a stirrer, heating to 85 ℃, dropwise adding 93g of epichlorohydrin, controlling the reaction temperature to 80-100 ℃, and finishing the dropwise adding for 3 hours; cooling to 45 ℃, then dropwise adding 125g of 33% NaOH aqueous solution, controlling the reaction temperature to 45-55 ℃, and finishing the dropwise adding for 5 hours; the obtained product is added with 300g of deionized water at 50 ℃, the reaction crystallization product NaCl is dissolved, the mixture is stirred for 5min strongly, and after standing and layering, the water is removed by a separating funnel, and the water is washed for three times repeatedly. Transferring the product into a three-mouth bottle, and vacuum dehydrating at 120 ℃ under the condition that the relative vacuum degree is less than-0.08 MPa until no water is distilled out. The final product is the active toughening agent of the molecular chain epoxy group.
In one embodiment, the unsaturated phenol is (a combination of one or more of 3-pentadecenylphenol, kadeliol, shogaol);
in one embodiment, the curing agent is prepared by reacting an unsaturated acid with ammonia, wherein the unsaturated acid has the following structural formula:
R 1 -COOH
the unsaturated acid reacts with ammonia as follows:
R 1 -COOH+NH 3 →R 1 -CONH 2 +H 2 O
the R is 1 Is an olefinic group, said R 1 Has a molecular formula of C a H 2a-2b+1 The carbon atom number of a is equal to or less than 12 and equal to or less than 18, the unsaturated bond number of b is equal to or less than 12, and the value range of b is 1-2.
The curing agent in this example is prepared by reacting unsaturated acid with ammonia, and the prepared amide curing agent has a polar amide group at one end and a nonpolar long-chain unsaturated group at one end. The polar amide group has good compatibility with the epoxy resin, and can be subjected to curing reaction with the epoxy group in the epoxy resin and the toughening agent; the unsaturated long-chain groups have excellent compatibility with asphalt, and the curing agent is beneficial to compatible mixing of the epoxy resin and the asphalt; the amide group is a low-activity epoxy curing group, and can be subjected to polymerization-depolymerization equilibrium reaction with the epoxy group at high temperature (150-180 ℃), so that the high-temperature molecular chain of the epoxy asphalt can not be increased, and the high Wen Chaochang residence time (more than 5 h) of the epoxy asphalt mixture can be realized.
The specific method for preparing the curing agent comprises the following steps:
1000g of octadecenoic acid is put into a 2L four-neck flask provided with a stirring, reflux condenser and a thermometer, and is heated and melted under stirring and continuously heated, when the temperature of the material reaches about 180-190 ℃, ammonia gas starts to be introduced (the ammonia gas is inserted into the bottom of the reaction flask through a glass tube, and rapid stirring is carried out to strengthen the contact of a gas phase and a liquid phase). The byproduct water enters a condenser through the exhaust gas to be condensed and enters an absorption flask, and unreacted ammonia gas is introduced into an acid liquor to be absorbed. And observing whether condensed water exists in the discharged gas, and if no water exists in the gas, weighing the water discharged from the absorption flask to be more than 60g, namely determining that the reaction reaches the end point. Stopping introducing ammonia gas and cooling. The product is the curing agent.
Other unsaturated acid curing agents are the same as described above.
In one embodiment, the unsaturated acid is one or more of myristoleic acid, palmitoleic acid, trans-oleic acid, ricinoleic acid, octadecenoic acid, and linoleic acid.
In one embodiment, the epoxy resin is a combination of one or more of bisphenol a type epoxy resin, bisphenol F type epoxy resin, phenolic type epoxy resin.
In the embodiment, the bisphenol A type epoxy resin is a general market product, the materials are easy to obtain and the price is low, so that the popularization and the application of the product are facilitated; bisphenol F type epoxy resin can provide lower viscosity, is convenient for mixing and paving, phenolic aldehyde type epoxy resin can provide higher heat resistance, and the final product has better high temperature resistance. The three resins can be used singly or in combination according to the pavement design requirements and different use regions. The combination proportion can be verified by experiments according to the design index requirement, and the combination proportion is determined.
In one embodiment, the post-crosslinking drier is one of a cobalt salt and a manganese salt of a metal organic acid; the post-crosslinking auxiliary dryer is one of zinc oxide, active magnesium oxide, lead oxide and lead tetraoxide.
In this example, the post-cure is performed with air and oxygen, but the oxidative cure is slow and requires some additives to improve the cure efficiency and depth. The drier aims to catalyze and accelerate the automatic oxidation process of double bonds and improve the subsequent curing speed, and has the similar catalyst effect on the oxygen absorption and polymerization of double bonds, and the drier is organic acid metal soaps, mainly cobalt salts and manganese salts. The auxiliary drier is not a reaction catalyst per se, but can improve the drier efficiency of the main drier, and the auxiliary drier is an oxide or salt of calcium, zinc and lead.
The features and capabilities of the present application are described in further detail below in connection with the examples.
Example 1
The hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
the component A comprises 80 parts of bisphenol A type epoxy resin and 5 parts of toughening agent;
the component B comprises 60 parts of curing agent, 4 parts of post-crosslinking drier and 0.1 part of post-crosslinking auxiliary drier;
and (3) a component A: the B component = 3:1, a step of;
wherein the toughening agent is: the cadel phenol and epichlorohydrin reactant. The curing agent is as follows: palmitoleic acid with ammonia reactant. The post-crosslinking drier is as follows: cobalt naphthenate. The post-crosslinking co-dryer is magnesium oxide.
Example 2
The hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
the component A comprises 100 parts of bisphenol A type epoxy resin and 8 parts of toughening agent;
the component B comprises 65 parts of curing agent, 4 parts of post-crosslinking drier and 0.3 part of post-crosslinking auxiliary drier;
and (3) a component A: the B component = 2:1, a step of;
wherein the toughening agent is: shogaol and epichlorohydrin reactant. The curing agent is as follows: linoleic acid and ammonia reactants. The post-crosslinking drier is as follows: manganese iso-octoate. The post-crosslinking auxiliary dryer is as follows: zinc oxide.
Example 3
The hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
the component A comprises 115 parts of phenolic epoxy resin and 10 parts of toughening agent;
the component B comprises 70 parts of curing agent, 5 parts of post-crosslinking drier and 0.5 part of post-crosslinking auxiliary drier;
and (3) a component A: the B component = 3:2;
wherein the toughening agent is: pentadecenol and epichlorohydrin reactant. The curing agent is as follows: octadecenoic acid and ammonia reactants. The post-crosslinking drier is as follows: cobalt naphthenate and a post-crosslinking accelerator are as follows: lead oxide.
Example 4
The hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
a component A, wherein the component A comprises 115 parts of (phenolic epoxy resin and bisphenol F type epoxy resin mixture) and 10 parts of toughening agent;
the component B comprises 70 parts of curing agent, 5 parts of post-crosslinking drier and 0.5 part of post-crosslinking auxiliary drier;
and (3) a component A: the B component = 3:2;
wherein the toughening agent is: pentadecenol and epichlorohydrin reactant. The curing agent is as follows: trans oleic acid reacts with ammonia. The post-crosslinking drier is as follows: manganese iso-octoate. The post-crosslinking auxiliary dryer is as follows: and (3) lead oxide.
Example 5
The hot-mix asphalt modifier is characterized by comprising the following raw materials in parts by weight:
a component A, wherein the component A comprises 120 parts of (bisphenol A type epoxy resin, phenolic aldehyde type epoxy resin and bisphenol F type epoxy resin mixture) and 10 parts of toughening agent;
the component B comprises 70 parts of curing agent, 5 parts of post-crosslinking drier and 0.5 part of post-crosslinking auxiliary drier;
and (3) a component A: the B component = 3:2;
wherein the toughening agent is: pentadecenol and epichlorohydrin reactant. The curing agent is as follows: octadecenoic acid and ammonia reactants. The post-crosslinking drier is as follows: manganese iso-octoate. The post-crosslinking auxiliary dryer is as follows: zinc oxide.
Experimental example
Hot mix epoxy asphalt performance test
1. Material proportioning and process
(1) Aggregate:
mixing station selects four kinds of stone materials of basalt 7-11 mm, basalt 4-7 mm, basalt 0-4 mm and mineral powder, and respectively screens them to determine the quality passing rate of each aperture. And then calculating the stone use proportion according to the grading requirement of EA-10 in the technical Specification of road Steel bridge pavement design and construction (JTG/T3364-02-2019). The final aggregate grading state is shown in fig. 1 as solid line:
(2) The proportion of the whetstone is 6.7 percent.
(3) Modified asphalt: the modified asphalt participating in the test was divided into 5 groups of 5 groups:
(4) Blending process (modified asphalt mixing process of 5 experimental groups is the same): aggregate heating temperature 200 ℃,70# matrix asphalt heating temperature 135 ℃, epoxy resin and curing agent heating temperature 60 ℃; firstly mixing and stirring epoxy resin and curing agent for 30s, then putting stone into a mixing station mixing cylinder and stirring for 30s, then putting epoxy modifier and 70# matrix asphalt, and mixing and stirring for 90s. Finally discharging, wherein the discharging temperature is 180-185 ℃.
2. Performance contrast test
TABLE 1 bulk tensile Properties of epoxy modifier
Note that: and (3) preparing samples according to a type II spline by using a GB528-2009 method, wherein the stretching rate is 500 mm/min. Curing and curing conditions: 180 ℃/3h+60 ℃/4d
Table 2 epoxy asphalt binder properties (epoxy+70# asphalt)
Note that: and (3) preparing samples according to a type II spline by using a GB528-2009 method, wherein the stretching rate is 500 mm/min. Curing and curing conditions: 180 ℃/3h+60 ℃/4d
Table 3 hot mix epoxy asphalt mix performance
| Test item | Specification requirements | Experimental example 1 | Experimental example 2 | Experimental example 3 | Experimental example 4 | Experimental example 5 |
| Stability (kN) | ≥40KN | 102.3 | 83.4 | 94.3 | 76.8 | 92.7 |
| Flow value (mm) | 1.5～5.0 | 1.9 | 4.1 | 3.5 | 4.3 | 3.7 |
| Freeze-thaw split intensity ratio (%) | ≥80 | 83 | 82 | 84 | 84 | 82 |
| Dynamic stability (times/mm) | More than or equal to 6000 times/mm | 38766 | 29854 | 34655 | 19935 | 40385 |
| -10 ℃ failure strain (. Epsilon.. Mu.) | ≥3000 | 3200 | 3855 | 3265 | 3990 | 3675 |
Note that: sample preparation test is carried out by adopting a method required by Highway engineering asphalt-based asphalt mixture test procedure (JTG E20-2011), and curing and health preserving conditions are as follows: 60 ℃/4d.
Claims (10)
1. The epoxy modifier for the hot-mix asphalt is characterized by comprising the following raw materials in parts by weight:
the component A comprises 80-120 parts of epoxy resin and 5-10 parts of toughening agent;
the component B comprises 60-70 parts of curing agent, 0.1-0.5 part of post-crosslinking auxiliary dryer and 4-5 parts of post-crosslinking dryer;
the component A comprises the following components: the B component = 1-6:1-2;
the toughening agent is a compound containing a hydrocarbon group, a phenyl group and a glycidyl ether structure;
the curing agent is an amide curing agent.
2. The epoxy modifier for hot-mix asphalt according to claim 1, wherein the hydrocarbon group of the toughening agent has 10 to 15 carbon atoms.
3. The epoxy modifier for hot-mix asphalt according to claim 1, wherein the hydrocarbon group of the toughening agent contains a double bond structure.
4. The epoxy modifier for hot-mix asphalt according to claim 1, wherein the curing agent comprises an unsaturated hydrocarbon group having 12 to 18 carbon atoms.
5. The epoxy modifier for hot-mix asphalt according to claim 1, wherein the toughening agent is prepared by reacting unsaturated phenol with epichlorohydrin, and the unsaturated phenol has the following structure:
the unsaturated phenol and epichlorohydrin have the following reaction formula:
the R is an olefin group, the carbon number of the R is 10-15, and the number of unsaturated double bonds in the R is 1-3.
6. The epoxy modifier for hot mix asphalt of claim 5, wherein the unsaturated phenol is one or more of 3-pentadecenyl phenol, kadeliol, shogaol.
7. The epoxy modifier for hot-mix asphalt according to claim 1, wherein the curing agent is prepared by reacting an unsaturated acid with ammonia, and the unsaturated acid has the following structural formula:
R-COOH
the unsaturated acid reacts with ammonia as follows:
R-COOH+NH 3 →R-CONH 2 +H 2 O
the R is 1 Is an olefinic group, said R 1 Has a molecular formula of C a H 2a-2b+1 The carbon atom number of a is equal to or less than 12 and equal to or less than 18, the unsaturated bond number of b is equal to or less than 12, and the value range of b is 1-2.
8. The epoxy modifier for hot mix asphalt of claim 7, wherein the unsaturated acid is one or more of myristoleic acid, palmitoleic acid, trans oleic acid, ricinoleic acid, octadecenoic acid, and linoleic acid.
9. The epoxy modifier for hot-mix asphalt according to any one of claims 1 to 8, wherein the epoxy resin is one or more of bisphenol a type epoxy resin, bisphenol F type epoxy resin, and phenolic type epoxy resin.
10. The epoxy modifier for hot-mix asphalt according to any one of claims 1 to 8, wherein the post-crosslinking drier is one of a cobalt salt and a manganese salt of a metal organic acid; the post-crosslinking auxiliary dryer is one or more of zinc oxide, active magnesium oxide, lead oxide and lead tetraoxide.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713695A (en) * | 2019-11-06 | 2020-01-21 | 江苏中路交通科学技术有限公司 | Ultrahigh-toughness epoxy resin material for hot-mix epoxy asphalt and preparation method thereof |
| 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 |
| CN113621218A (en) * | 2021-07-20 | 2021-11-09 | 东南大学 | Preparation method and application of super-tough high-temperature mixed epoxy resin |
| CN115558305A (en) * | 2021-07-01 | 2023-01-03 | 中国石油天然气股份有限公司 | Hot-mix epoxy asphalt and preparation method thereof |
-
2023
- 2023-08-21 CN CN202311051302.7A patent/CN117004186A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713695A (en) * | 2019-11-06 | 2020-01-21 | 江苏中路交通科学技术有限公司 | Ultrahigh-toughness epoxy resin material for hot-mix epoxy asphalt and preparation method thereof |
| 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 |
| CN115558305A (en) * | 2021-07-01 | 2023-01-03 | 中国石油天然气股份有限公司 | Hot-mix epoxy asphalt and preparation method thereof |
| CN113621218A (en) * | 2021-07-20 | 2021-11-09 | 东南大学 | Preparation method and application of super-tough high-temperature mixed epoxy resin |
Non-Patent Citations (1)
| Title |
|---|
| MICHAEL BRATYCHAK, ET AL.: "CARBOXY DERIVATIVE OF DIOXYDIPHENYLPROPANE DIGLYCIDYL ETHER MONOMETHACRYLATE AS AN ADDITIVE FOR COMPOSITES", CHEM. CHEM. TECHNOL., vol. 11, no. 1, 31 December 2017 (2017-12-31), pages 49 - 54 * |
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