CN116023792A - Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof - Google Patents
Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof Download PDFInfo
- Publication number
- CN116023792A CN116023792A CN202111249837.6A CN202111249837A CN116023792A CN 116023792 A CN116023792 A CN 116023792A CN 202111249837 A CN202111249837 A CN 202111249837A CN 116023792 A CN116023792 A CN 116023792A
- Authority
- CN
- China
- Prior art keywords
- component
- asphalt
- parts
- hyperbranched
- grafted carbon
- 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 64
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 57
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 57
- 239000004593 Epoxy Substances 0.000 title claims abstract description 48
- 229920000587 hyperbranched polymer Polymers 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 21
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 229920006150 hyperbranched polyester Polymers 0.000 claims abstract description 12
- 239000003208 petroleum Substances 0.000 claims abstract description 11
- 239000012745 toughening agent Substances 0.000 claims abstract description 10
- 239000004952 Polyamide Substances 0.000 claims description 11
- 229920002647 polyamide Polymers 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- PZTAGFCBNDBBFZ-UHFFFAOYSA-N tert-butyl 2-(hydroxymethyl)piperidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCCCC1CO PZTAGFCBNDBBFZ-UHFFFAOYSA-N 0.000 claims description 5
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 claims description 4
- FLBJFXNAEMSXGL-UHFFFAOYSA-N het anhydride Chemical compound O=C1OC(=O)C2C1C1(Cl)C(Cl)=C(Cl)C2(Cl)C1(Cl)Cl FLBJFXNAEMSXGL-UHFFFAOYSA-N 0.000 claims description 4
- IGSBHTZEJMPDSZ-UHFFFAOYSA-N 4-[(4-amino-3-methylcyclohexyl)methyl]-2-methylcyclohexan-1-amine Chemical compound C1CC(N)C(C)CC1CC1CC(C)C(N)CC1 IGSBHTZEJMPDSZ-UHFFFAOYSA-N 0.000 claims description 3
- GZDFHIJNHHMENY-UHFFFAOYSA-N Dimethyl dicarbonate Chemical compound COC(=O)OC(=O)OC GZDFHIJNHHMENY-UHFFFAOYSA-N 0.000 claims description 3
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000010300 dimethyl dicarbonate Nutrition 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 241001442654 Percnon planissimum Species 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- GTUJJVSZIHQLHA-XPWFQUROSA-N pApA Chemical compound C1=NC2=C(N)N=CN=C2N1[C@@H]([C@@H]1O)O[C@H](COP(O)(O)=O)[C@H]1OP(O)(=O)OC[C@H]([C@@H](O)[C@H]1O)O[C@H]1N1C(N=CN=C2N)=C2N=C1 GTUJJVSZIHQLHA-XPWFQUROSA-N 0.000 claims description 2
- 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 2
- 125000002252 acyl group Chemical group 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000005336 cracking Methods 0.000 description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 2
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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 hyperbranched polymer grafted carbon nanotube modified epoxy asphalt comprises A, B, C components, wherein the mass composition of the component A comprises 50-100 parts of epoxy resin, 0.1-5 parts of hyperbranched polyester grafted carbon nanotubes and 1-15 parts of compatilizer; the mass composition of the component B comprises 35-60 parts of No. 1 high-temperature curing agent, 1-10 parts of No. 2 high-temperature curing agent and 0.1-10 parts of toughening agent; the component C is 50-100 parts by mass of petroleum asphalt; A. b, C, the mass ratio of the three components is as follows: 1:0.4-1:2-10. The epoxy asphalt provided by the invention has the technical characteristics of long high-temperature construction holding time, rapid formation of normal-temperature curing strength, excellent high-low temperature performance, excellent fatigue resistance and the like.
Description
Technical Field
The invention relates to a steel bridge deck pavement epoxy asphalt material, in particular to a preparation method of hyperbranched grafted carbon nanotube modified epoxy asphalt.
Technical Field
The large-span steel bridge deck pavement technology is a worldwide difficult problem, and severe use conditions such as heavy load, high temperature and the like in China bring higher requirements to the steel bridge deck pavement material. The epoxy asphalt pavement system has excellent mechanical property and high-temperature stability, and after being applied to the two-bridge of Yangtze river in Nanjing in 2001 and achieving good effect, the epoxy asphalt pavement system is popularized and applied to numerous domestic steel bridge deck pavement projects, and becomes one of main steel bridge deck pavement schemes in China. At present, most of domestic epoxy asphalt is warm-mix epoxy asphalt, the mixing temperature is low (generally 110-130 ℃), water vapor cannot be completely volatilized in the construction process, a paving layer is easy to bulge, and diseases such as cracking and pits appear under the action of vehicles; in addition, the construction process is complex, the construction holding time is short, and the construction difficulty is high; poor deformability and toughness, and easy cracking of the mixture in early stage; and the curing reaction has obvious time-temperature effect, and when the temperature is reduced to normal temperature, the curing speed is slow, the curing time is long, and the traffic opening is delayed, so that the application of the epoxy asphalt material in the field of steel bridge pavement is limited.
The carbon nano tube plays an important role in the toughening and reinforcing of the epoxy resin due to the higher length-diameter ratio, excellent mechanical properties and the like, but the carbon nano tube surface is chemically inert and difficult to disperse in a polymer matrix, so that the application of the carbon nano tube in the toughening of the epoxy resin is limited.
Disclosure of Invention
The invention aims to solve the problems of short construction holding time of an epoxy asphalt mixture at high temperature, long curing time at normal temperature, easiness in cracking and the like, and provides a steel bridge deck pavement epoxy asphalt material and a preparation method thereof. The invention provides hyperbranched polymer grafted carbon nanotube modified epoxy asphalt, which comprises A, B, C components, wherein the A component mainly comprises epoxy resin and hyperbranched polyester grafted carbon nanotubes, the B component mainly comprises a No. 1 high-temperature curing agent, a No. 2 high-temperature curing agent, a toughening agent and a compatilizer, the C component is petroleum asphalt, and the mass ratio of the A, B, C components is as follows: 1:0.4-1:2-10. The weight portions of the components are as follows:
and (3) a component A:
50-100 parts of epoxy resin
0.1-5 parts of hyperbranched polyester grafted carbon nano tube
10 parts of compatilizer
And the component B comprises the following components:
35-60 parts of No. 1 high-temperature curing agent
1-10 parts of No. 2 high-temperature curing agent
0.1-10 parts of toughening agent
And C, component:
50-100 parts of petroleum asphalt
Wherein, in the component A, the epoxy resin is one or more of bisphenol A type epoxy resin E44, E51 or bisphenol F type epoxy resin DER-354 and GY-281; the compatilizer is dioctyl phthalate (DOP) or dipropylene glycol dibenzoate (DPGDB); in the component B, the No. 1 high-temperature curing agent is one or more of 3,3 '-dimethyl-4, 4' -diamino-dicyclohexylmethane (DMDC), polyetheramine (D-230) and Dicyandiamide (DICY); the No. 2 high-temperature curing agent is one or more of polyazelaic anhydride (PAPA), hexachloroendomethylene tetrahydrophthalic anhydride (HET) and diphenyl ether tetracarboxylic dianhydride (DPEDA); the toughening agent is hyperbranched polyamide grafted carbon nano tubes; in the component C, the petroleum asphalt is SK70# petroleum asphalt or SK90# petroleum asphalt.
The invention also provides a preparation method of the epoxy asphalt material, which is characterized by comprising the following steps:
firstly, acylating and chlorinating carboxylated carbon nanotubes, adding a certain amount of carbon nanotubes into a three-neck flask, slowly adding thionyl chloride, dropwise adding a proper amount of DMF, stirring for 24 hours at 70 ℃, and removing redundant solvent under reduced pressure. And then adding the prepared carbon nano tube into DMF, performing ultrasonic dispersion for 30min at the temperature of 60 ℃, pouring the mixture into a three-neck flask, adding the mixed solution of pyridine, DMF and hyperbranched polyamide Hyper N10 into the three-neck flask according to the proportion, stirring at room temperature for reaction for 24h, performing suction filtration and washing on the carbon nano tube to be neutral after the reaction is completed, performing vacuum drying for 12h, and grinding to obtain the final hyperbranched polyamide grafted modified carbon nano tube.
The preparation of the hyperbranched polyester grafted carbon nano tube is carried out according to the Chinese patent 'a hyperbranched polyester grafted carbon nano tube toughening agent and a preparation method thereof (ZL 201910049637.3)';
mixing epoxy resin and hyperbranched polyester grafted carbon nanotubes according to a certain weight ratio, and then performing ultrasonic dispersion on the mixture at 60 ℃ for 1h to ensure that the carbon nanotubes are fully dispersed in an epoxy resin matrix to obtain a component A.
Heating the No. 1 high-temperature curing agent and the No. 2 high-temperature curing agent to 60 ℃, mixing and stirring uniformly, preserving heat at 60 ℃, adding the hyperbranched polyamide grafted carbon nano tube, and performing ultrasonic dispersion for 1h to obtain the component B.
Heating asphalt to 160-170 ℃, adding A, B components, stirring for 2-5min, cooling to 60 ℃, and curing until the asphalt is completely cured, thus obtaining the hyperbranched grafted carbon nanotube modified epoxy asphalt.
The preparation method of the epoxy asphalt mixture comprises the following steps:
the epoxy asphalt material is prepared by the method, and 6-8 parts by mass of epoxy asphalt cement and 100 parts by mass of mineral aggregate are mixed for 3min at 170-180 ℃ to obtain the epoxy asphalt mixture.
Compared with the existing domestic epoxy asphalt materials in the market, the epoxy asphalt material has the advantages that the formula is simple and practical, the manufacturing is convenient, the low-temperature crack resistance and fatigue durability of the epoxy asphalt mixture can be greatly improved on the premise of not reducing the high-temperature performance of the epoxy asphalt mixture, the construction holding time is sufficient at high temperature (180 ℃) and the normal-temperature maintenance time is short, and the traffic can be rapidly opened; the epoxy asphalt is mainly suitable for the epoxy asphalt paved on the steel bridge deck, and is also suitable for different application fields such as the epoxy asphalt paved on the airfield runway deck, the epoxy asphalt paved on the high Wen Deou deck and the like.
The invention adopts hyperbranched polymer to modify the surface of inorganic filler such as carbon nano tube, and uses a large amount of active end groups to activate the surface of the carbon nano tube, which is an efficient method for improving the interfacial bonding property of the carbon nano tube and matrix material, and meanwhile, the hyperbranched polymer molecular chain is highly branched and has a large amount of molecular branched chains and active end groups, so that the hyperbranched polymer is applied to epoxy resin, and the hyperbranched polymer is an important way for toughening and modifying the epoxy resin by using a special molecular structure of the flexible chain segment formed in the epoxy resin cross-linked network.
Detailed Description
The present invention will now be described in more detail by way of examples, which are set forth herein to illustrate the invention and are not to be construed as limiting the scope of the invention, as modifications or alternatives to the methods, steps or conditions of the invention may be made without departing from the spirit and nature of the invention.
Example 1:
firstly, acylating and chlorinating carboxylated carbon nanotubes, adding the carbon nanotubes into a three-neck flask, slowly adding thionyl chloride, dropwise adding a proper amount of DMF, stirring for 24 hours at 70 ℃, and removing redundant solvent under reduced pressure. And then adding the prepared carbon nano tube into DMF, performing ultrasonic dispersion for 30min at the temperature of 60 ℃, pouring the mixture into a three-neck flask, adding the mixed solution of pyridine, DMF and hyperbranched polyamide Hyper N10 into the three-neck flask according to the proportion, stirring at room temperature for reaction for 24h, performing suction filtration and washing on the carbon nano tube to be neutral after the reaction is completed, performing vacuum drying for 12h, and grinding to obtain the final hyperbranched polyamide grafted modified carbon nano tube.
The preparation of the hyperbranched polyester grafted carbon nanotube toughening agent is carried out according to the technical scheme disclosed in Chinese patent 'a hyperbranched polyester grafted carbon nanotube toughening agent and a preparation method thereof (ZL 201910049637.3').
300g of bisphenol A epoxy resin E51, 30g of dipropylene glycol dibenzoate and 3g of hyperbranched polyester grafted carbon nano-tube are stirred and mixed uniformly, and then ultrasonic dispersion is carried out on the mixture for 1h at the temperature of 60 ℃ so as to ensure that the carbon nano-tube is fully dispersed in an epoxy resin matrix, thus obtaining the component A.
120g of 3,3 '-dimethyl-4, 4' -diamino-Dicyclohexyl Methane (DMDC) and 30g of diphenyl ether tetracarboxylic dianhydride (DPEDA) are heated to 60 ℃, mixed and stirred uniformly, kept warm, added with 5g of hyperbranched polyamide grafted carbon nano-tubes, and dispersed for 1h by ultrasound to obtain the component B.
Heating 500g of asphalt to 160-170 ℃, adding 303g of component A and 125g of component B, stirring for 2-5min, cooling to 60 ℃, and curing until the mixture is completely cured to obtain the hyperbranched grafted carbon nanotube modified epoxy asphalt.
Mixing 6.7 parts by mass of epoxy asphalt material with 100 parts by mass of mineral aggregate at 170-180 ℃ for 3min to prepare the epoxy asphalt mixture.
Examples 2 to 6
Examples 2-6 hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and epoxy asphalt mixtures were prepared according to the proportions of table 1, and the preparation process was exactly as in example 1.
Table 1 proportions (unit: parts) of examples 2 to 6
Product performance test
The tensile properties of the epoxy asphalt prepared according to examples 1-6 are shown in Table 2.
TABLE 2 tensile Properties of hyperbranched Polymer grafted carbon nanotube modified epoxy asphalt
| Epoxy asphalt material type | Tensile Strength (MPa, 23 ℃ C.) | Elongation at break (%), 23 ℃) |
| Example 1 | 6.3 | 218 |
| Example 2 | 6.9 | 195 |
| Example 3 | 7.5 | 167 |
| Example 4 | 6.8 | 201 |
| Example 5 | 7.2 | 180 |
| Example 6 | 7.5 | 165 |
| Ordinary epoxy asphalt | 4.2 | 145 |
The road properties of the epoxy asphalt mixtures prepared according to examples 1-6 are shown in Table 3.
TABLE 3 hyperbranched Polymer grafted carbon nanotube modified epoxy asphalt mixture road performance
Claims (8)
1. A hyperbranched polymer grafted carbon nanotube modified epoxy asphalt is characterized in that: the composite material comprises A, B, C components, wherein the component A mainly comprises epoxy resin and hyperbranched polyester grafted carbon nanotubes, the component B mainly comprises a No. 1 high-temperature curing agent, a No. 2 high-temperature curing agent, a toughening agent and a compatilizer, the component C is petroleum asphalt, and the mass ratio of the components A, B, C is as follows: 1:0.4-1:2-10; the three components comprise the following components in parts by mass:
and (3) a component A:
50-100 parts of epoxy resin
0.1-5 parts of hyperbranched polyester grafted carbon nano tube
1-15 parts of compatilizer
And the component B comprises the following components:
35-60 parts of No. 1 high-temperature curing agent
1-10 parts of No. 2 high-temperature curing agent
0.1-10 parts of toughening agent
And C, component:
50-100 parts of petroleum asphalt.
2. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt of claim 1, wherein: the epoxy resin in the component A is one or more of bisphenol A type epoxy resins E44 and E51 or bisphenol F type epoxy resins DER-354 and GY-281.
3. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt according to claim 1 or 2, characterized in that: the compatilizer in the component A is dioctyl phthalate (DOP) or dipropylene glycol dibenzoate (DPGDB).
4. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt of claim 1, wherein: the No. 1 high-temperature curing agent in the component B is one or more of 3,3 '-dimethyl-4, 4' -diamino-dicyclohexylmethane (DMDC), polyetheramine (D-230) and Dicyanodiammine (DICY).
5. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt of claim 1 or 4, wherein: the No. 2 high-temperature curing agent in the component B is one or more of polyazelaic anhydride (PAPA), hexachloroendomethylene tetrahydrophthalic anhydride (HET) and diphenyl ether tetrahydric dianhydride (DPEDA).
6. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt of claim 1, 4 or 5, wherein: the toughening agent in the component B is hyperbranched polyamide grafted carbon nano-tubes.
7. The hyperbranched polymer grafted carbon nanotube modified epoxy asphalt of claim 1, wherein the petroleum asphalt in component C is SK70# petroleum asphalt or SK90# petroleum asphalt.
8. The method for preparing hyperbranched grafted carbon nanotube modified epoxy asphalt according to any one of claims 1 to 7, characterized by comprising the following steps:
firstly, carrying out acyl chlorination on carboxylated carbon nanotubes, adding the carbon nanotubes into a three-neck flask, slowly adding thionyl chloride, dropwise adding a proper amount of DMF, stirring for 20-30h at 60-80 ℃, and removing redundant solvent under reduced pressure; then adding the prepared carbon nano tube into DMF, performing ultrasonic dispersion for 20-40min at 50-70 ℃, pouring into a three-neck flask, adding a mixed solution of pyridine, DMF and hyperbranched polyamide Hyper N10 into the three-neck flask according to a proportion, stirring at room temperature for reacting for 20-30h, filtering and washing the carbon nano tube to be neutral after the reaction is completed, performing vacuum drying for 10-15h, and grinding to obtain the final hyperbranched polyamide grafted modified carbon nano tube;
mixing epoxy resin and hyperbranched polyester grafted carbon nanotubes according to a certain weight ratio, and then performing ultrasonic dispersion on the mixture at 50-70 ℃ for 1h to ensure that the carbon nanotubes are fully dispersed in an epoxy resin matrix to obtain a component A;
heating the No. 1 high-temperature curing agent and the No. 2 high-temperature curing agent to 50-70 ℃, mixing and stirring uniformly, preserving heat, adding hyperbranched polyamide grafted carbon nanotubes, and performing ultrasonic dispersion for 50-70min to obtain a component B;
heating asphalt to 160-170 ℃, adding A, B components, stirring for 2-5min, cooling to 50-70 ℃, and curing until the asphalt is completely cured, thus obtaining the hyperbranched grafted carbon nanotube modified epoxy asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249837.6A CN116023792A (en) | 2021-10-26 | 2021-10-26 | Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249837.6A CN116023792A (en) | 2021-10-26 | 2021-10-26 | Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116023792A true CN116023792A (en) | 2023-04-28 |
Family
ID=86076647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111249837.6A Pending CN116023792A (en) | 2021-10-26 | 2021-10-26 | Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116023792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987442A (en) * | 2023-09-26 | 2023-11-03 | 江苏新熠阳高新材料有限公司 | Coating composition for preparing quartz crucible, coating, quartz crucible and preparation method of quartz crucible |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832980A (en) * | 2017-03-09 | 2017-06-13 | 重庆市智翔铺道技术工程有限公司 | A kind of epoxy modified asphalt and preparation method thereof |
| CN109749132A (en) * | 2017-03-03 | 2019-05-14 | 重庆市智翔铺道技术工程有限公司 | A kind of hyper-branched polyester grafting carbon nanotube toughener and preparation method thereof |
| CN111154279A (en) * | 2020-01-09 | 2020-05-15 | 新疆宏宇志祥工程咨询有限公司 | Graphene/carbon nanotube modified epoxy resin asphalt material and preparation method thereof |
-
2021
- 2021-10-26 CN CN202111249837.6A patent/CN116023792A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109749132A (en) * | 2017-03-03 | 2019-05-14 | 重庆市智翔铺道技术工程有限公司 | A kind of hyper-branched polyester grafting carbon nanotube toughener and preparation method thereof |
| CN106832980A (en) * | 2017-03-09 | 2017-06-13 | 重庆市智翔铺道技术工程有限公司 | A kind of epoxy modified asphalt and preparation method thereof |
| CN111154279A (en) * | 2020-01-09 | 2020-05-15 | 新疆宏宇志祥工程咨询有限公司 | Graphene/carbon nanotube modified epoxy resin asphalt material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987442A (en) * | 2023-09-26 | 2023-11-03 | 江苏新熠阳高新材料有限公司 | Coating composition for preparing quartz crucible, coating, quartz crucible and preparation method of quartz crucible |
| CN116987442B (en) * | 2023-09-26 | 2023-12-19 | 江苏新熠阳高新材料有限公司 | Coating composition for preparing quartz crucible, coating, quartz crucible and preparation method of quartz crucible |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105906842B (en) | A kind of modified graphene oxide and epoxy resin composite material and preparation method thereof | |
| CN105541212B (en) | A kind of composite material toughening haydite concrete and preparation method thereof | |
| CN106316221B (en) | A kind of rubber cold mixing epoxy asphalt mixture and preparation method for crack repairing | |
| CN101397358B (en) | Method for preparing modified asphalt | |
| CN109337297B (en) | High-asphalt-content cold-mix epoxy asphalt for road and bridge pavement and preparation method and application thereof | |
| CN106009724A (en) | Modified regenerant and preparation method and application thereof | |
| CN109231890A (en) | A kind of stone mastic asphalt and preparation method thereof | |
| CN111154279A (en) | Graphene/carbon nanotube modified epoxy resin asphalt material and preparation method thereof | |
| CN101585957A (en) | Resin filling materials for repairing steel bridge deck pavement and preparation method thereof | |
| CN116023792A (en) | Hyperbranched polymer grafted carbon nanotube modified epoxy asphalt and preparation method thereof | |
| CN106519718A (en) | High-modulus asphalt additive | |
| CN101955673B (en) | Thermosetting epoxy asphalt material and preparation method thereof | |
| CN101348350A (en) | Waste rubber powder composite modified asphalt and preparation thereof | |
| CN104744953A (en) | Thermosetting eleostearic acid ester epoxy asphalt compatibilizer and preparation method thereof | |
| CN112745062A (en) | Composite fiber modified asphalt mixture with excellent performance and preparation method thereof | |
| CN104262977B (en) | A kind of composite modified asphalt and preparation method thereof | |
| CN110669347A (en) | Wheel-sticking-free high-viscosity emulsified asphalt | |
| CN108034271B (en) | Composite modified warm-mix rubber asphalt and preparation method thereof | |
| CN107022198B (en) | A kind of bionical self-healing property pitch and preparation method thereof | |
| CN114180896B (en) | Cement stabilized macadam base composition and preparation and construction process thereof | |
| CN102391474A (en) | Resin joint sealing material for deck pavement and repair of steel bridge | |
| CN109575405A (en) | A kind of modified ultra-high molecular weight polyethylene and preparation method thereof, composite polyethylene material and preparation method thereof | |
| CN103130470A (en) | Warm mix drainage asphalt mixture and preparation method thereof | |
| CN115594443A (en) | Epoxy asphalt mixture and preparation method thereof | |
| CN109054411B (en) | Composite epoxy asphalt pavement material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |