Hot-mixed epoxy resin, preparation method and application
Technical Field
The invention relates to a preparation method and application of a building material, in particular to a hot-mixed epoxy resin, a preparation method and application.
Background
With the rapid development of traffic construction, more and more large-span steel box girder bridges are continuously built, and the pavement of steel bridge decks is a worldwide difficult problem and always a key and difficult point for the construction of large bridges. The bridge deck pavement layer is an important component of a bridge structure, is easy to wear and deteriorate under the coupling action of load and environmental erosion, and the bridge deck pavement quality and performance directly influence the driving comfort and safety of the automobile. The requirements of the bridge deck pavement layer on materials and structures are higher than the requirements of common pavement materials. Generally, the steel plate has basic technical requirements of good adhesion with the steel plate, high-temperature stability, low-temperature crack resistance, fatigue resistance, impermeability, durability, surface skid resistance, convenience in construction, easiness in maintenance and the like.
The hot-mix epoxy asphalt system has higher strength, good temperature stability and excellent fatigue resistance, the construction temperature is higher, the influence of moisture on the quality of a paving mixture is reduced, meanwhile, the bonding layer has the characteristic of secondary curing reaction, the micro-curing state is achieved after the primary curing for a certain time after the coating is finished, the steel bridge deck can be paved in a full range, the construction convenience is better, and the steel bridge deck paving method is suitable for heavy-load traffic conditions in damp and hot areas. Although some progress has been made in the current research on hot-mix epoxy resin formulations, these epoxy resins have insufficient flexibility.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a hot-mix epoxy resin with ultrahigh flexibility.
The invention also aims to provide a preparation method of the hot-mixed epoxy resin with ultrahigh flexibility.
The invention also aims to provide the application of the hot-mix epoxy resin with ultrahigh flexibility.
The technical scheme is as follows: the invention provides a hot-mix epoxy resin, which comprises a component A and a component B:
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
90-130 parts of long-chain aliphatic amine derivative,
0-3 parts of a catalyst.
Further, the ratio of the component A to the component B is 2: 3-3: 2.
Further, the non-bisphenol A epoxy resin is bis (2, 3-epoxycyclopentyl) ether (ERR-0300), 2, 3-epoxycyclopentylcyclopentyl ether (ERLA-0400), vinylcyclohexene diepoxide (ERL-4206), diisoproylene diepoxide (ERL-4269), 3 ', 4 ' -epoxy-6 ' -methylcyclohexylmethyl 3, 4-epoxy-6-methylcyclohexanecarboxylate (ERL-4201), 3 ', 4 ' -epoxycyclohexylmethyl 3, 4-epoxycyclohexanecarboxylate (ERL-4221), bis (3, 4-epoxy-6-methylcyclohexylmethyl) adipate (ERL-4289), and dicyclopentadiene diepoxide (EP-207).
Further, the diluent is AGE 748(C12-14) alcohol glycidyl ether, DGE501 (n-butyl glycidyl ether), EHGE746 (isooctyl glycidyl ether octyl glycidyl ether), NPGE (nonylphenyl glycidyl ether), GMA (glycidyl methacrylate), BDDGE 522(1, 4-butanediol diglycidyl ether), HDDGE632(1, 6-hexanediol diglycidyl ether), EGDGE669 (ethylene glycol diglycidyl ether), NPGDGE 678 (neopentyl glycol diglycidyl ether), PEGGE205 (polyethylene glycol diglycidyl ether), PPGDGE207 (polypropylene glycol diglycidyl ether), TMPEG (trimethylolpropane triglycidyl ether).
Further, the long-chain fatty amine derivative is one or more of octadecylamine, hexadecylamine, oleylamine, octadecylamine polyoxyethylene ether 1805 with EO 5, octadecylamine polyoxyethylene ether 1810 with EO 10, octadecylamine polyoxyethylene ether 1815 with EO 15, octadecylamine polyoxyethylene ether 1820 with EO 20, oleylamine polyoxyethylene ether 1805 with EO 5, oleylamine polyoxyethylene ether 1810 with EO 10, oleylamine polyoxyethylene ether 1815 with EO 15, and oleylamine polyoxyethylene ether 1820 with EO 20, and the effective component is higher than 95%.
Further, the catalyst is methyl diethanol amine, aminophenol, DMP-30, HY960 tertiary amine accelerator, OP-8658/DP-300 smearing drying curing accelerator, triethanolamine and titanate coupling agent (TC-114).
The preparation method of the hot-mixed epoxy resin comprises the steps of mixing the component A and the component B, and curing at 50-60 ℃.
A hot-mix epoxy asphalt is prepared by mixing the hot-mix epoxy resin as claimed in claim 1 with asphalt, standing at 140-150 ℃ for 3-4 days, and curing at 50-60 ℃.
A hot-mix epoxy asphalt mixture, which is prepared by adding the hot-mix epoxy resin and asphalt of claim 1 into aggregate, mixing, stirring at the temperature of 160-175 ℃, preserving heat and forming. The aggregate is preferably one or more of basalt, limestone, granite and diabase.
Use of the hot-mix epoxy resin of claim 1 in steel bridge deck pavement.
Has the advantages that: the invention adopts a plurality of flexible long-chain aliphatic amine curing agent compounding technologies and non-bisphenol A epoxy resin compounding technologies to develop the epoxy resin with ultrahigh flexibility. The invention adopts rigid bisphenol A epoxy resin and non-rigid aliphatic series epoxy resin interpenetrating network technology to prepare the resin A with rigidity and flexibility. The high flexibility and resin B component is prepared by increasing the steric hindrance effect of the aliphatic amine. The resin A and the resin B form the hot-mixed epoxy resin special for paving the high-performance steel bridge deck. The preparation method and the process are simple, and when the prepared epoxy resin is used for preparing the hot-mix epoxy asphalt mixture special for the steel bridge deck, the pavement performance of the mixture is excellent.
Detailed Description
Example 1
The performance detection method of the steel bridge deck hot-mixed epoxy resin refers to the technical Specification for construction of asphalt road surfaces of highways (the industry standard of the people's republic of China, JTG F40-2004).
The following examples are graded as shown in Table 1 below
TABLE 1 grading of the mixes used in examples 1-7
Remarking: the grading is used in the examples, namely the grading is used in the grading in the examples 1 to 7, and the requirements of the upper limit and the lower limit of the grading are met.
Example 1
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
Octadecylamine 30 parts
Hexadecylamine 72 parts
DMP-301 parts
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 3: 2, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 1: 1, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 2.8 parts of the hot-mixed epoxy resin prepared in the example 1 and 4.2 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 2 Hot-mix epoxy resin prepared in example 1 the main performance parameters
Detecting items
|
Unit of
|
Example 1
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
5.5
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
23.5
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
398
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.7
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 3 Hot mix epoxy asphalt from example 1 Main Performance parameters
Detecting items
|
Unit of
|
Example 1 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
14.5
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
217
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.9
|
3.1
|
≥2
|
GB/T 528-2009 |
Table 4 main performance parameters of hot mix epoxy asphalt mixture prepared in example 1
Example 2
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
115 parts of oleylamine
1.5 parts of titanate coupling agent (TC-114)
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 1: 1, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 55: 45, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.3 parts of the hot-mixed epoxy resin prepared in the example 1 and 2.7 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-stirred for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong 70# asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃ and discharged, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 5 Hot-mix epoxy resin prepared in example 2 Main Performance parameters
Detecting items
|
Unit of
|
Example 2
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
6
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
20
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
412
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.6
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 6 Hot mix epoxy asphalt from example 2 Main Performance parameters
Detecting items
|
Unit of
|
Example 2 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
13.0
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
210
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
4.1
|
3.1
|
≥2
|
GB/T 528-2009 |
Table 7 main performance parameters of hot mix epoxy asphalt mixture prepared in example 2
Example 3
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
Oleylamine 77 parts
Hexadecylamine 34 parts
OP-8658/DP-300 smearing drying condensate accelerator 2 parts
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 56: 44 after mixing, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 45: 55, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.6 parts of the hot-mixed epoxy resin prepared in the example 1 and 4.4 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 7 Hot-mix epoxy resin prepared in example 3 Main Property parameters
TABLE 8 Hot mix epoxy asphalt from example 3 Main Performance parameters
Detecting items
|
Unit of
|
Example 3 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
11.0
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
220
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
4.3
|
3.1
|
≥2
|
GB/T 528-2009 |
Table 9 main performance parameters of hot mix epoxy asphalt mix prepared in example 3
Example 4
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
40 parts of oleylamine polyoxyethylene ether (EO ═ 5)
60 portions of oleylamine
Aminophenol 2 parts
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 2: 3, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 2: 3, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 2.6 parts of the hot-mixed epoxy resin prepared in the example 1 and 3.9 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 10 Hot-mix epoxy resin prepared in example 4 Main Performance parameters
Detecting items
|
Unit of
|
Example 4
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
6
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
23.0
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
321
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
4.3
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 11 Hot mix epoxy asphalt from example 4 Main Performance parameters
Detecting items
|
Unit of
|
Example 4 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
12.5
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
247
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.4
|
3.1
|
≥2
|
GB/T 528-2009 |
Table 12 main performance parameters of hot mix epoxy asphalt mix prepared in example 4
Example 5
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
50 parts of oleylamine polyoxyethylene ether (EO is 10)
70 portions of oleylamine polyoxyethylene ether (EO ═ 15)
Triethanolamine 1.8 parts
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 55: 45, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 50: 40, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of the hot-mixed epoxy resin prepared in the example 1 and 2.8 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 13 Hot-mix epoxy resin prepared in example 5 Main Performance parameters
Detecting items
|
Unit of
|
Example 5
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
7
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
24.0
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
426
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.4
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 14 Main Properties of Hot mix epoxy asphalt prepared in example 5
Detecting items
|
Unit of
|
Example 5 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
13.5
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
209
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.9
|
3.1
|
≥2
|
GB/T 528-2009 |
TABLE 15 main Property parameters of the hot-mix epoxy asphalt mixture prepared in example 5
Example 6
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
Octadecylamine polyoxyethylene ether (EO 10) 30 parts
Oleylamine 100 parts
2.4 parts of methyldiethanolamine
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 45: 55, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 40: 50, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.2 parts of the hot-mixed epoxy resin prepared in the example 1 and 4.0 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 16 Hot-mix epoxy resin prepared in example 6 Main Performance parameters
Detecting items
|
Unit of
|
Example 6
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
9
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
31
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
445
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.6
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 17 Hot mix epoxy asphalt from example 6 Main Performance parameters
Detecting items
|
Unit of
|
Example 6 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
12.5
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
208
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 deg.C))
|
MPa
|
4.3
|
3.1
|
≥2
|
GB/T 528-2009 |
Table 18 main performance parameters of hot mix epoxy asphalt mix prepared in example 6
Example 7
The epoxy resin A is prepared by the following steps:
the resin B component comprises the following components in parts by weight
Octadecylamine polyoxyethylene ether (EO ═ 20) 30 parts
Hexadecylamine 60 parts
HY960 tertiary amine accelerator 2 parts
Preparing hot-mixed epoxy resin:
respectively mixing the epoxy resin A component and the resin B component according to the proportion, mixing the epoxy resin A component and the resin B component according to the mass ratio of 53: 47, forming a test piece after mixing, curing the test piece in an oven at 60 ℃ for 4 days, and testing the basic performance of the hot-mixed epoxy resin.
Preparing hot-mixed epoxy asphalt:
heating the matrix asphalt to 150 ℃, heating the epoxy resin A component to 60 ℃, mixing and stirring the epoxy resin (including the total mass of the resin A and the resin B component) and the asphalt according to the mass ratio of 57: 43, and stirring for 4min to prepare a test piece. Then placing the mixture in an oven at 150 ℃ for 3h, curing the mixture in an oven at 60 ℃ for 4 days, and carrying out performance test after placing the mixture at normal temperature for 1 day.
Preparing a hot-mix epoxy asphalt mixture:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 4.56 parts of the hot-mixed epoxy resin prepared in the example 1 and 3.44 parts of Bilong No. 70 matrix asphalt are added, after the addition is finished, the mixture is stirred for 180s at 175 ℃, the discharging temperature is 160 ℃, the mixture is kept warm in an oven at 165 ℃ for 2.5 hours, and a test piece is formed, and the performance of the epoxy asphalt mixture is tested.
Comparative example 1 experimental method:
the formula of the asphalt mixture comprises: 100 parts (by weight, the same below) of the graded aggregate shown in the table 1 is taken and put into a stirring cylinder, after being dry-mixed for 45s, 3.5 parts of TAF Japanese modern hot-mix epoxy resin (wherein the proportion of the main agent to the curing agent is 56: 44) and 3.5 parts of Bilong No. 70 asphalt are added, after the addition is finished, the mixture is mixed for 180s at 175 ℃ and then discharged, the discharging temperature is 160 ℃, the mixture is kept in an oven at 165 ℃ for 2.5 hours to form a test piece, and the performance of the epoxy asphalt mixture is tested.
TABLE 19 Hot-mix epoxy resin prepared in example 7 Main Performance parameters
Detecting items
|
Unit of
|
Example 7
|
TAF
|
Technical index
|
Test method
|
Finger dry time (25 ℃ C.)
|
h
|
7
|
6.5
|
≥1
|
Finger dry time
|
Setting time (25 ℃ C.)
|
h
|
28
|
36
|
≤72
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
334
|
297
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.5
|
3.3
|
≥3
|
GB/T 528-2009 |
TABLE 20 Hot mix epoxy asphalt from example 7 Primary Performance parameters
Detecting items
|
Unit of
|
Example 7 epoxy asphalt
|
TAF epoxy asphalt
|
Technical index
|
Test method
|
Penetration (25 ℃ C.)
|
1/10mm
|
14
|
15.0
|
5~20
|
Finger dry time
|
Softening point
|
℃
|
>100
|
>100
|
≥100
|
Drawing test
|
Elongation at Break (23 ℃ C.)
|
%
|
231
|
205
|
≥100
|
GB/T 528-2009
|
Tensile Strength (23 ℃ C.)
|
MPa
|
3.6
|
3.1
|
≥2
|
GB/T 528-2009 |
TABLE 21 Main Performance parameters of the Hot mix epoxy asphalt mixture prepared in example 8
From the test data of the specific examples given in examples 1-7, it can be seen that the hot-mix epoxy resin, the epoxy resin asphalt and the epoxy asphalt mixture thereof all reach the TAF level imported from Japan.