CN106883379A - A kind of aqueous epoxy resin curing agent, its preparation method and the water-base epoxy pitch containing the curing agent, its preparation method and application - Google Patents
A kind of aqueous epoxy resin curing agent, its preparation method and the water-base epoxy pitch containing the curing agent, its preparation method and application Download PDFInfo
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- CN106883379A CN106883379A CN201710109072.3A CN201710109072A CN106883379A CN 106883379 A CN106883379 A CN 106883379A CN 201710109072 A CN201710109072 A CN 201710109072A CN 106883379 A CN106883379 A CN 106883379A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
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Abstract
A kind of water-base epoxy pitch the invention discloses aqueous epoxy resin curing agent, its preparation method and containing the curing agent, its preparation method and application.By carrying out oleophylic, hydrophilic modifying to polyethylene polyamine, i.e., flexible polyether segments and the segment matched with epoxy resin are introduced in polyethylene polyamine molecule, so as to self-emulsifying type non-ionic water epoxy curing agent is obtained；Water-base epoxy pitch includes self-emulsifying type non-ionic water epoxy curing agent, emulsified asphalt and the aqueous epoxy resins host, there is excellent stability using the aqueous epoxy resin emulsion prepared of self-emulsifying type non-ionic water epoxy curing agent of present invention synthesis, and compatibility between emulsified asphalt is good.Water-base epoxy ductility of bitumen of the invention is good, and when being applied to bridge deck water-proof tack coat, its combination property is significantly improved.
Description
Technical field
The present invention relates to building field binding material, and in particular to a kind of aqueous epoxy resin curing agent, its preparation side
Method and the water-base epoxy pitch containing the curing agent, its preparation method and application.
Background technology
The building such as bridge, road often needs water-proof bond material, and by taking bridge as an example, bridge deck water-proof tack coat refers to be arranged on
Cement concrete bridge deck plate is with deck paving interlayer for preventing the hazardous mediums such as rainwater from entering floorings inside and provide bridge
The defencive function layer of cohesive force between face pave-load layer and floorings.The performance quality of water-proof tack coat directly determines lower floor's floorings
And the Years Of Service of Upper Pavement layer.With heated bitumen as bridge deck water-proof tack coat, not only high energy consumption, pollution are big, and its high temperature resistant
Poor-performing；Have that adhesion strength is low, pliability as bridge deck water-proof tack coat, then with emulsified asphalt or traditional modified emulsifying asphalt
Difference, the performance deficiency such as intensity is smaller, cannot especially ensure Upper Pavement layer and mix under the unfavorable conditions such as high temperature, overload, longitudinal slope
There is good cohesive force between solidifying soil floorings, so as to cause to gather around the generation of the destructions such as bag, pushing, interlayer slip.
In order to overcome the performance deficiencies such as existing emulsified asphalt adhesion strength is low, low temperature flexibility is poor, elevated temperature strength is small, with viscous
Aqueous epoxy resins of knot property the advantages of good, shrinkage factor is low, creep resistance is strong carry out modified emulsifying asphalt turns into modified milk in recent years
Change the study hotspot in pitch field.
At present, waterborne epoxy modified emulsified asphalt is mostly that emulsified asphalt is entered with existing water-base epoxy on the market directly
Row is modified, because emulsifier type used by former aqueous epoxy resins is unknown, therefore often there is the property such as poor with emulsified asphalt compatibility
Can defect.Additionally, water-base epoxy existing on the market is to adjust to be formulated from intensity at present, and bridge deck water-proof tack coat pair
The toughness of material, especially to fatigue toughness requirement it is higher.
The content of the invention
The invention solves the problems that one of problem be to provide a kind of aqueous epoxy resin curing agent and preparation method thereof.
In order to solve the above technical problems, the present invention uses following two technical schemes：
Scheme one, including step：
(1) polyether structure, i.e. PPG diglycidyl ether (A) are introduced in polyethylene polyamine (C) molecular structure
With polyethylene polyamine (C) reaction generation intermediate product D1, it is preferred that concretely comprise the following steps：Polyethylene polyamine (C) is dissolved in organic molten
In agent, 50~70 DEG C are gradually heating to, the PPG two in being dissolved in organic solvent is then progressively added dropwise in 0.5~1h
Glycidol ether (A), is warming up to 60~80 DEG C after completion of dropping, continue to react 3~5h, and reaction equation sees below：
Wherein, R is selected from H or CH3；M is the arbitrary integer between 1~9；N is the arbitrary integer between 2~5.
Preferably, the ratio between the polyethylene polyamine (C) and amount of material of PPG diglycidyl ether (A) are
2.0~2.5：1.
(2) molecule segment matched with epoxy resin is introduced in curing agent molecular structure, will intermediate product D1 with
Epoxy resin (B) reacts, generation aqueous epoxy resin curing agent E1, it is preferred that intermediate product D1 is removed not through vacuum distillation
The polyethylene polyamine (C) of reaction, is subsequently adding the epoxy resin of metering (B) and 3~5h is incubated at 60~80 DEG C, and finally removing has
Machine solvent simultaneously adds deionized water to be diluted to finite concentration, and reaction equation sees below：
Wherein, R is selected from H or CH3；M is the arbitrary integer between 1~9；N is the arbitrary integer between 2~5.
Preferably, the ratio between amount of material of the intermediate product D1 and epoxy resin (B) is 2.0~2.2：1.
Scheme two, including step：
(1) molecule segment matched with epoxy resin, i.e. epoxy resin are introduced in polyethylene polyamine (C) molecular structure
(B) with polyethylene polyamine (C) reaction generation intermediate product D2, it is preferred that concretely comprise the following steps：Polyethylene polyamine (C) is dissolved in be had
In machine solvent, 50~70 DEG C are gradually heating to, the epoxy resin in being dissolved in organic solvent is then progressively added dropwise in 1~2h
(B) 60~80 DEG C, are warming up to after completion of dropping, continue to react 3~5h, reaction equation sees below：
Wherein, R is selected from H or CH3；N is the arbitrary integer between 2~5.
Preferably, the ratio between amount of material of the polyethylene polyamine (C) and epoxy resin (B) is 2.0~2.5：1.
(2) polyether structure, i.e. intermediate product D2 and PPG 2-glycidyl are introduced in curing agent molecular structure
Ether (A) reacts, and obtains aqueous epoxy resin curing agent E2.Preferably, concretely comprise the following steps：Intermediate product D2 is removed through vacuum distillation
Unreacted polyethylene polyamine (C), the PPG diglycidyl ether (A) for being subsequently adding metering is incubated at 60~80 DEG C
3~5h, finally removes organic solvent and adds deionized water to be diluted to finite concentration, and reaction equation sees below：
Wherein, R is selected from H or CH3；M is the arbitrary integer between 1~9；N is the arbitrary integer between 2~5.
Preferably, the ratio between amount of material of the intermediate product D2 and PPG diglycidyl ether (A) for 2.0~
2.2：1.
Preferably, above-mentioned epoxy resin (B) is selected from bis-phenol A glycidyl ether type epoxy resin and/or aliphatic two is shunk
Ethoxylated glycerol type epoxy resin.
Preferably, organic solvent described in above two method is selected from propylene glycol monomethyl ether, propylene-glycol ethyl ether, ethylene glycol first
Any one in ether, ethylene glycol ethyl ether, ethanol, hexamethylene, normal heptane, chloroform, tetrahydrofuran, cyclohexanone, toluene, benzene
Or it is several.
The invention solves the problems that another question be to provide a kind of water-base epoxy pitch and preparation method thereof.The aqueous ring
Oxygen pitch specifically can be applied to cement concrete bridge as binding agent in building field application as water-proof tack coat
Face.
In order to solve the above technical problems, employing following scheme：
A kind of water-base epoxy pitch, including component：The solidification of emulsified asphalt, aqueous epoxy resins host and aqueous epoxy resins
Agent, the aqueous epoxy resin curing agent is above-mentioned aqueous epoxy resin curing agent E1 or E2.
Preferably, the emulsified asphalt, aqueous epoxy resins host and aqueous epoxy resin curing agent mass ratio are 1：
0.05~0.20：0.05~0.20.
Preferably, the emulsified asphalt is nonionic emulsified asphalt, cationic emulsified asphalt, anionic emulsified bitumen
In one kind, its solid content be 20%~60%.
Preferably, the aqueous epoxy resins host is bis-phenol A glycidyl ether type epoxy resin, it is further preferred that
One or more selected from E44, in E51, E54 type epoxy resin.
The method for preparing above-mentioned water-base epoxy pitch, including step：
S1：Aqueous epoxy resin curing agent, aqueous epoxy resins host and deionized water are stirred, aqueous ring is formed
Oxygen tree fat liquor；Preferably, specific addition step is：1) hydrotropism's epoxy curing agent, i.e. aqueous epoxy resin curing agent
Appropriate deionized water is added in E1 or E2, is stirred, it is further preferred that the mixing speed is 10~30r/min.2) with
Given pace is slowly added to aqueous epoxy resins host, it is further preferred that stir speed (S.S.) is adjusted to 30~80r/min, and
Aqueous epoxy resins host is slowly added to the speed of 1~10ml/min；3) after aqueous epoxy resins host is added and finished, after
Continuous stirring, until there is uniform milky white liquid, it is further preferred that continuing to stir under 30~80r/min stir speed (S.S.)s
30~60min, until there is uniform milky white liquid.
Preferably, the mass ratio between the deionized water, aqueous epoxy resins host and aqueous epoxy resin curing agent is
1：0.4~0.6：0.4~0.6.
S2：By above-mentioned aqueous epoxy resin emulsion and emulsified asphalt mixing and stirring, water-base epoxy pitch is obtained.It is preferred that
, specific addition step and technological parameter are：First at room temperature, it is 10~90r/min's that emulsified asphalt is placed in into stir speed (S.S.)
10~30min is stirred in mixer；Then prepared aqueous epoxy resin emulsion in adding S1 in above-mentioned emulsified asphalt, after
Continue 10~30min of stirring in the mixer that stir speed (S.S.) is 10~90r/min, you can water-base epoxy pitch is obtained.
Preferably, the mass ratio between the emulsified asphalt and aqueous epoxy resin emulsion is 1：0.2~0.8.
The beneficial effect that the present invention is reached：
(1) present invention uses two chain extension methods that hydrophilic and oleophilic is carried out to polyethylene polyamine and is modified, so as to realize self-emulsifying type
The preparation of non-ionic water epoxy curing agent, having broken conventional epoxy-many amine additives increases solid by adding acid solution
The hydrophilic present situation of agent, made aqueous epoxy resin emulsion has excellent stability, and the compatibility between emulsified asphalt
It is good.
(2) present invention cuts out design and polyether soft segments is introduced into nonionic curing dose of self-emulsifying type using molecule, keeps away
Heat-resistant powder filler or the modified adverse effect brought to aqueous epoxy resins process of Toughened With High Performance Thermoplastics are exempted from, have realized
The preparation of toughness aqueous epoxy resins, so as to improving the combination property of water-base epoxy pitch.
Specific embodiment
With reference to specific embodiment, the invention will be further described.Following examples are only used for clearly illustrating
Technical scheme, and can not be limited the scope of the invention with this.
Embodiment one：
(1) aqueous epoxy resin curing agent, the i.e. synthesis of self-emulsifying type non-ionic water epoxy curing agent
Drying N2Under protection, by 146.2g (1.0mol) triethylene tetramine (TETA), 150ml propylene glycol monomethyl ethers (PM) are thrown
Enter in the tetra- mouthfuls of reaction bulbs of 1000mL equipped with reflux condensing tube, thermometer and agitator, liquid to be mixed is used after being warming up to 70 DEG C
Constant pressure funnel is slowly added dropwise 34.8g (0.2mol) ethylene glycol diglycidylether (XY669) and 50ml propylene glycol monomethyl ethers in 1h
(PM) mixing liquid, continues to react 4h at 70 DEG C after completion of dropping.After reaction terminates, removed through vacuum distillation unreacted
TETA, you can obtain intermediate product TETA-XY669.With constant pressure funnel in 1h after the PM solution of intermediate product is warming up to 75 DEG C
The mixing liquid of 40g (about 0.1mol) epoxy resin E51 and 50ml propylene glycol monomethyl ether (PM) is inside slowly added dropwise, completion of dropping is follow-up
Continue and react 3h at 75 DEG C.After reaction terminates, PM solvents are removed through vacuum distillation, be then added dropwise while stirring at 60 DEG C appropriate
Deionized water, after completion of dropping continue stir 1h can solid content be 50~60% it is faint yellow non-ionic self-emulsifying aqueous
Epoxy hardener TETA-XY669-E51.
The performance parameter of obtained self-emulsifying type non-ionic water epoxy curing agent is as shown in the table：
| Outward appearance | Solid content/% | Viscosity/(Pas) | pH | ||
| Light yellow clear liquid | 52 | 0.90 | 8.1 | 102 | 1.06 |
(2) preparation of aqueous epoxy resin emulsion, i.e. self-emulsifying water borne epoxy resin
At room temperature, take obtained self-emulsifying type non-ionic water epoxy hardener 5g in step (1), add 10g go from
Sub- water and 5g epoxy resin E-51, can obtain milky aqueous epoxy resin emulsion uniformly, fine and smooth after stirring 30min.
The performance parameter of obtained self-emulsifying water borne epoxy resin is as shown in the table：
| Outward appearance | Surface drying time/h | Pencil hardness | Pliability/mm | Impact resistance/(kgcm) |
| Milky uniform liquid | 1.5 | 4H | 7 | 34 |
(3) water-base epoxy pitch, i.e., the preparation of self-emulsifying aqueous bituminous epoxy
At room temperature, obtained self-emulsifying water borne epoxy resin in step (2) is pressed with self-control cationic emulsified bitumen
Mass ratio is 50：100 compoundings, and stirring at low speed 30min is to be available from emulsion-type bituminous epoxy.
The performance parameter of obtained self-emulsifying aqueous bituminous epoxy is as shown in the table：
Embodiment two：
(1) aqueous epoxy resin curing agent, the i.e. synthesis of self-emulsifying type non-ionic water epoxy curing agent
Drying N2Under protection, by 146.2g (1.0mol) triethylene tetramine (TETA), 150ml propylene glycol monomethyl ethers (PM) are thrown
Enter in the tetra- mouthfuls of reaction bulbs of 2000mL equipped with reflux condensing tube, thermometer and agitator, liquid to be mixed is used after being warming up to 70 DEG C
Constant pressure funnel is slowly added dropwise 173.1g (0.45mol) polyethyleneglycol diglycidylether (XY205) and 150ml propane diols in 1h
Methyl ether (PM) mixing liquid, continues to react 4h at 65 DEG C after completion of dropping.After reaction terminates, unreacted is removed through vacuum distillation
TETA, you can obtain intermediate product TETA-XY205.Existed with constant pressure funnel after the PM solution of intermediate product is warming up to 65 DEG C
The mixing liquid of 83.3g (about 0.22mol) epoxy resin E54 and 100ml propylene glycol monomethyl ether (PM) is slowly added dropwise in 1h, is dripped
Continue to react 3h at 65 DEG C after finishing.After reaction terminates, PM solvents are removed through vacuum distillation, then dripped while stirring at 60 DEG C
Plus appropriate amount of deionized water, the faint yellow nonionic that solid content is 50~60% is obtained by 1h is stirred in continuation after completion of dropping certainly newborn
Change aqueous epoxy curing agent TETA-XY205-E54.
The performance parameter of obtained self-emulsifying type non-ionic water epoxy curing agent is as shown in the table：
| Outward appearance | Solid content/% | Viscosity/(Pas) | pH | ||
| Light yellow clear liquid | 51 | 0.73 | 8.3 | 207 | 1.07 |
(2) preparation of aqueous epoxy resin emulsion, i.e. self-emulsifying water borne epoxy resin
At room temperature, take obtained self-emulsifying type non-ionic water epoxy hardener 5g in step (1), add 10g go from
Sub- water and 5g epoxy resin E-51, can obtain milky aqueous epoxy resin emulsion uniformly, fine and smooth after stirring 30min.
The performance parameter of obtained self-emulsifying water borne epoxy resin is as shown in the table：
| Outward appearance | Surface drying time/h | Pencil hardness | Pliability/mm | Impact resistance/(kgcm) |
| Milky uniform liquid | 2.5 | H | 1 | 50 |
(3) water-base epoxy pitch, i.e., the preparation of self-emulsifying aqueous bituminous epoxy
At room temperature, by obtained self-emulsifying water borne epoxy resin in step (2) and emulsified asphalt by being in mass ratio
40：100 compoundings, and stirring at low speed 30min is to be available from emulsion-type bituminous epoxy.
The performance parameter of obtained self-emulsifying aqueous bituminous epoxy is as shown in the table：
Embodiment three：
(1) aqueous epoxy resin curing agent, the i.e. synthesis of self-emulsifying type non-ionic water epoxy curing agent
Drying N2Under protection, by 103.2g (1.0mol) diethylenetriamine (DETA), 100ml EGMEs (EGME)
In putting into the tetra- mouthfuls of reaction bulbs of 2000mL equipped with reflux condensing tube, thermometer and agitator, after liquid to be mixed is warming up to 65 DEG C
166.7g (0.45mol) epoxy resin E54 and 150ml EGME (EGME) mixing is slowly added dropwise in 1h with constant pressure funnel
Liquid, continues to react 4h at 65 DEG C after completion of dropping.After reaction terminates, unreacted DETA is removed through vacuum distillation, you can
Obtain intermediate product DETA-E54.It is slowly added dropwise in 1h with constant pressure funnel after the EGME solution of intermediate product is warming up to 70 DEG C
The mixed liquor of 156.4g (about 0.25mol) polypropylene glycol diglycidyl ether (XY207) and 150ml EGMEs (EGME)
Body, continues to react 3h at 70 DEG C after completion of dropping.After reaction terminates, EGME solvents are removed through vacuum distillation, then at 60 DEG C
Under appropriate amount of deionized water is added dropwise while stirring, after completion of dropping continue stir 1h can solid content be 50~60% it is faint yellow
Non-ionic self-emulsifying aqueous epoxy hardener DETA-E54-XY207.
The performance parameter of obtained self-emulsifying type non-ionic water epoxy curing agent is as shown in the table：
| Outward appearance | Solid content/% | Viscosity/(Pas) | pH | ||
| Light yellow clear liquid | 53 | 0.82 | 8.1 | 198 | 1.07 |
(2) preparation of aqueous epoxy resin emulsion, i.e. self-emulsifying water borne epoxy resin
At room temperature, take obtained self-emulsifying type non-ionic water epoxy hardener 5g in step (1), add 10g go from
Sub- water and 5g epoxy resin E-51, can obtain milky aqueous epoxy resin emulsion uniformly, fine and smooth after stirring 30min.
The performance parameter of obtained self-emulsifying water borne epoxy resin is as shown in the table：
| Outward appearance | Surface drying time/h | Pencil hardness | Pliability/mm | Impact resistance/(kgcm) |
| Milky uniform liquid | 2.0 | 2H | 1 | 50 |
(3) water-base epoxy pitch, i.e., the preparation of self-emulsifying aqueous bituminous epoxy
At room temperature, by obtained self-emulsifying water borne epoxy resin in step (2) and emulsified asphalt by being in mass ratio
60：100 compoundings, and stirring at low speed 30min is to be available from emulsion-type bituminous epoxy.
The performance parameter of obtained self-emulsifying aqueous bituminous epoxy is as shown in the table：
The above is only the preferred embodiment of the present invention, it is noted that for the technical staff of the industry,
Without departing from the spirit and scope, some improvement and deformation can also be made, these are improved and deformation should also be regarded
It is protection scope of the present invention.
Claims (10)
1. a kind of aqueous epoxy resin curing agent, is obtained by the method for comprising the following steps：
(1) in the middle of PPG diglycidyl ether (A) or epoxy resin (B) react with polyethylene polyamine (C) and generate respectively
Product D1 or D2：
(2) intermediate product D1 or D2 react aqueous with epoxy resin (B) or PPG diglycidyl ether (A) respectively again
Epoxy curing agent E1 or E2：
Wherein：R is selected from H or CH3；M is the arbitrary integer between 1~9；N is the arbitrary integer between 2~5.
2. a kind of aqueous epoxy resin curing agent according to claim 1, it is characterised in that epoxy resin (B) choosing
From bis-phenol A glycidyl ether type epoxy resin and/or aliphatic diglycidylether type epoxy resin.
3. a kind of aqueous epoxy resin curing agent according to claim 1, it is characterised in that use organic solvent as anti-
Medium, the organic solvent is answered to be selected from propylene glycol monomethyl ether, propylene-glycol ethyl ether, EGME, ethylene glycol ethyl ether, ethanol, hexamethylene
Any one or a few in alkane, normal heptane, chloroform, tetrahydrofuran, cyclohexanone, toluene, benzene.
4. a kind of aqueous epoxy resin curing agent according to claim any one of 1-3, it is characterised in that in step (1)
Polyethylene polyamine (C) and PPG diglycidyl ether (A), or polyethylene polyamine (C) and the material of epoxy resin (B)
The ratio between amount is 2.0~2.5：1；Intermediate product D1 and epoxy resin (B) in step (2), or intermediate product D2 and polyether polyols
The ratio between amount of material of alcohol diglycidyl ether (A) is 2.0~2.2：1.
5. a kind of water-base epoxy pitch, it is characterised in that including component：Emulsified asphalt, aqueous epoxy resins host and aqueous ring
Oxygen resin curing agent, the aqueous epoxy resin curing agent is the aqueous epoxy resins solidification described in claim any one of 1-5
Agent.
6. a kind of water-base epoxy pitch according to claim 5, it is characterised in that the emulsified asphalt, water-base epoxy tree
Fat host and aqueous epoxy resin curing agent mass ratio are 1：0.05~0.20：0.05~0.20.
7. a kind of water-base epoxy pitch according to claim 5, it is characterised in that the emulsified asphalt is nonionic
One kind in emulsified asphalt, cationic emulsified asphalt, anionic emulsified bitumen, its solid content is 20%~60%.
8. a kind of water-base epoxy pitch according to claim 5, it is characterised in that the aqueous epoxy resins host is double
Phenol A diglycidyl ether type epoxy resins.
9. the method for preparing water-base epoxy pitch described in claim any one of 5-8, including step：
S1：Aqueous epoxy resin curing agent, aqueous epoxy resins host and deionized water are stirred, water-base epoxy tree is formed
Fat liquor；
S2：By above-mentioned aqueous epoxy resin emulsion and emulsified asphalt mixing and stirring, water-base epoxy pitch is obtained.
10. water-base epoxy pitch is applied to cement concrete bridge deck as water-proof tack coat described in any one of claim 5-8.
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| CN107474236A (en) * | 2017-07-07 | 2017-12-15 | 联泓(江苏)新材料研究院有限公司 | A kind of reactive emulsifier, its preparation method and application |
| CN108373533A (en) * | 2018-03-02 | 2018-08-07 | 山东七维新材料有限公司 | A kind of preparation method of self-emulsifying aqueous epoxy hardener |
| CN111019082A (en) * | 2019-12-16 | 2020-04-17 | 东南大学 | Nonionic photo-curing polyurethane aqueous dispersion resin composition with excellent compatibility and preparation method and application thereof |
| CN111718483A (en) * | 2019-06-08 | 2020-09-29 | 山东德源环氧科技有限公司 | Synthesis method of novel low-molecular polyamide curing agent |
| CN113583217A (en) * | 2021-09-08 | 2021-11-02 | 香港理工大学 | Waterborne epoxy curing agent, preparation method and application thereof, and waterborne epoxy resin modified emulsified asphalt |
| CN114686013A (en) * | 2022-04-21 | 2022-07-01 | 中南安全环境技术研究院股份有限公司 | Waterborne epoxy resin modified emulsified asphalt and preparation method thereof |
| CN116891574A (en) * | 2023-05-29 | 2023-10-17 | 重庆新木公路养护有限公司 | Preparation method of epoxy resin modified emulsifier for asphalt |
| CN113583217B (en) * | 2021-09-08 | 2024-06-07 | 香港理工大学 | Water-based epoxy curing agent, preparation method and application thereof, and water-based epoxy resin modified emulsified asphalt |
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| CN111019082A (en) * | 2019-12-16 | 2020-04-17 | 东南大学 | Nonionic photo-curing polyurethane aqueous dispersion resin composition with excellent compatibility and preparation method and application thereof |
| CN113583217A (en) * | 2021-09-08 | 2021-11-02 | 香港理工大学 | Waterborne epoxy curing agent, preparation method and application thereof, and waterborne epoxy resin modified emulsified asphalt |
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