CN110373143A - A kind of road and bridge normal temperature cure flexibilized epoxies water-proof adhesive and preparation method thereof - Google Patents
A kind of road and bridge normal temperature cure flexibilized epoxies water-proof adhesive and preparation method thereof Download PDFInfo
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- CN110373143A CN110373143A CN201910675991.6A CN201910675991A CN110373143A CN 110373143 A CN110373143 A CN 110373143A CN 201910675991 A CN201910675991 A CN 201910675991A CN 110373143 A CN110373143 A CN 110373143A
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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
- C08G59/5006—Amines aliphatic
- C08G59/5013—Amines aliphatic containing more than seven carbon atoms, e.g. fatty amines
-
- 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
- C08G59/56—Amines together with other curing agents
- C08G59/60—Amines together with other curing agents with amides
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
Abstract
The invention discloses a kind of normal temperature cure flexibilized epoxies water-proof adhesives of road and bridge, it is characterized in that, the water-proof adhesive includes component A and B component, and the component A includes: bis-phenol A glycidyl ether based epoxy resin, toughener a: rubber toughener, reactive diluent；B component includes polyamide-based curing agent and polyether amine curing agent mixed curing agent, toughener b: response type toughener, amine type accelerator；Wherein, the quality proportioning of component A and B component when in use is 100:35~100:50, and described kind of epoxy adhesive can complete solidification under room temperature environment in 24 hours, and have high-intensitive, high resiliency.
Description
Technical field
The present invention relates to a kind of epoxy adhesives, and in particular to a kind of road and bridge normal temperature cure flexibilized epoxies
Water-proof adhesive and preparation method thereof.
Background technique
With the fast development that highway in China is built, Large Span Bridges construction also increases year by year, and deck paving will be effective
Prevent wheel from directly wearing bridge floor, diffusion load, while providing smooth anti-skidding comfortable contact surface for vehicle driving.Bridge floor paving
Dress is divided into main body of mating formation, waterproof layer and adhesive layer, wherein water-proof tack coat mainly carries connection in bridge is mated formation and mats formation master
Body and pontic surface become an entirety, improve the stress condition of bridge, while preventing moisture intrusion pontic from destroying pontic
Structure corrodes steel, the insecurity factor of bridge is caused to bring threat to bridge security.In recent years, China's automobile quantity is fast
Speed increases, also increasingly harsh to the quality requirement of deck paving, but the earlier period damage that bridge is mated formation is serious, and studies have shown that anti-
The forfeiture of water bonding layer function is that bridge is caused to be mated formation one of the main reason for damaging.
Currently, road and bridge are mainly pitch class material such as SBS modified emulsifying asphalt, asphaltic base waterproof roll with water-proof tack coat
The heat molten types materials such as material, soluble rubber asphalt, SBR modified pitch, SBS modified pitch, although this kind of material has at normal temperature
There are good deformability and water-proof binding performance, but when summer surface temperature reaches 60 DEG C or more, pitch class material will
Be easy soften even trickle, cohesive force and waterproof performance decline, body layer of mating formation occurs under load of drive a vehicle destroy generation elapse,
The problems such as cracking, track, at this moment the function of water-proof tack coat will weaken and even lose.Therefore, it is necessary to will not send out under a kind of high temperature
Water-proof tack coat of the raw material overbated, trickled for road and bridge will provide better cohesive force and waterproof effect, extension
The service life of road and bridge, the material for guaranteeing traffic safety.Wherein, epoxide resin material is thermosetting material, but due to epoxy
For resinoid bond when not carrying out toughening, cured product is more crisp, and peeling resistance, low temperature resistivity and shock resistance difference etc. lack
Point limits it in the development and application of certain field of civil engineering.Epoxy resin roughening can be changed by chemical method and be solidified
The structure composition of three-dimensional cross-linked system assigns three-dimensional crosslinked network mobility, but this kind of special flexible epoxide resin material
Price be 3 times or more of general epoxy resin price, increase application cost.Meanwhile it can also be mixed such as by physical method
Rubber elastomer, rigid inorganic filler or thermoplastic polymer etc. improve cured product toughness, but tend not to melt well
Enter to function only as filling in the three-dimensional structure of epoxy curing compound to reach toughening, is unable to give full play toughening effect；In addition,
In construction application some epoxy resin and curing agent viscosity it is higher be unfavorable for construction be commonly incorporated into non-activated thinner reduce it is mixed
The viscosity for closing object reaches ideal viscosity with better construction effect, and cannot participate in solidifying using non-activated thinner
Reaction causes solid product stability can be poor, and damages with the volatilization of organic solvent to environment and construction personnel.Therefore, make
The performance of cured product will be further promoted with the Eco-power toughener that can participate in reaction and diluent, and the present invention will
A kind of neo-epoxy resin water-proof binding of road and bridge high-performance normal temperature cure is developed using such toughener and diluent
Agent makes it have better use value and economic value.
Summary of the invention
The object of the invention is that providing a kind of road and bridge normal-temperature curing epoxy resin water-proof adhesive, this kind of epoxy resin is viscous
Solidification can be completed under room temperature environment by tying agent in 24 hours, and have high-intensitive, high resiliency.
The present invention also provides a kind of preparation methods of normal-temperature curing epoxy resin water-proof adhesive of road and bridge, prepare
Journey is simple, and the application method for the binder being prepared is simple, can be completed in a short time solidification, the bonding and waterproof played
Effect.
The characteristics of based on the above epoxy resin water-proof tack coat, technical scheme is as follows:
A kind of road and bridge include component A and B component with high-performance normal-temperature curing epoxy resin water-proof adhesive, shared by each component
Mass parts are as follows:
Component A
100 parts of bis-phenol A glycidyl ether based epoxy resin
Toughener a: 5~15 parts of rubber toughener
5~20 parts of reactive diluent
B component
34~48 parts of polyamide-based curing agent and polyether amine curing agent mixed curing agent
Toughener b: 5~25 parts of response type toughener
0.1~3 part of amine type accelerator
Wherein, the mass ratio of component A and B component when in use is 100:35~100:50.
The present invention further comprises following preferred technical solution:
In preferred scheme, the epoxy resin be bis-phenol A glycidyl ether based epoxy resin such as 128 epoxy resin or
E44 epoxy resin；
In preferred scheme, the toughener a is the response type liquid butyronitrile can with epoxy resin with excellent compatibility
Rubber；
In preferred scheme, the diluent is the second two that there is reactive diluent epoxy group can participate in curing reaction
Alcohol diglycidyl ether (EGDE) or G12+ alcohol glycidol ether (AGE)；
In preferred scheme, the curing agent is polyamide-based curing agent and polyether amine curing agent.
In preferred scheme, the mass ratio of polyamide-based curing agent and polyether amine curing agent is 20:80~60:40.
In preferred scheme, wherein polyamide-based curing agent is 650 or 651.
As the example of the polyamide-based curing agent, can be bought from Guangzhou Kui Bang Chemical Co., Ltd..
Polyether amine curing agent is D400 or D230 or T403.
As the example of the polyether amine curing agent, can be bought from Changzhou Run Xiang Chemical Co., Ltd..
In preferred scheme, the toughener b is response type toughener 9- octadecenyl amine, can participate in epoxy resin cure
Reaction；
In preferred scheme, the promotor is such as 2,4,6- tri- (dimethylamino methyl) phenol of amine type accelerator, 1,8-
11 carbon -7- alkene of diazabicylo, pyridine.
Road and bridge of the invention are comprised the following steps with the preparation method of high-performance normal-temperature curing epoxy resin water-proof adhesive:
1) it prepares component A: bis-phenol A glycidyl ether based epoxy resin being heated to 60 DEG C~70 DEG C, is slowly added to toughening
Agent a persistently stirs 10min~15min, is added reactive diluent when temperature is reduced to 40 DEG C~50 DEG C, and stirring 5min~
10min removes bubble therein in 40 DEG C~50 DEG C ultrasound 15min~20min, is cooled to room temperature and component A can be obtained；
2) it prepares B component: after polyamide-based curing agent is heated to 40 DEG C~50 DEG C, the stirring of polyether amine curing agent is added
50min~60min is cooled to room temperature to get the curing agent into B component；
After curing agent is heated to 40 DEG C~50 DEG C, toughener b and amine type accelerator, stirring are successively added in mass ratio
20min~30min is cooled to room temperature and B component can be obtained；
3) it mixes: component A and B component being uniformly mixed under room temperature state, obtain mixed liquor.
Mixed liquor uniformly connects to steel construction bridge floor or cement concrete bridge (road) face of being applied in operable time, then
Mat formation thereon bituminous pavement, solidification is completed under room temperature, curing time is less than for 24 hours.
The tool of above-mentioned prepared road and bridge high-performance normal-temperature curing epoxy resin water-proof bond material component A and B component
Body application method is that component A and B component are weighed and are uniformly mixed in mass ratio under room temperature state, should be reduced to the greatest extent in mixing
Bubble is mixed into.
If environment temperature is too low cause mixed liquor viscosity it is excessive can suitably to mixed liquor heating water bath to 40 DEG C or so can
The content for reducing bubble should use after the completion of mixing under 40 DEG C or so environment in 50min.
Mixed liquor is directly uniformly connect to steel construction bridge floor or cement concrete bridge (road) face of being applied in operable time, then
Mat formation on epoxy resin water-proof tack coat bituminous pavement, under normal temperature environment for 24 hours in can be completed to solidify and play water-proof binding
Effect.
Beneficial effects of the present invention:
1) present invention uses conventional bis-phenol A glycidyl ether based epoxy resin, meanwhile, introducing has the anti-of excellent compatibility
Type liquid nitrile rubber answered as toughener a further promoted the flexility of raw epoxy resin-cured product, price relative to
Modified toughened based epoxy resin is more cheap, is conducive to the application in road engineering.It is dilute using activity in the epoxy
One of the curing reaction of epoxy resin as epoxy resin-cured product cross-linked network can directly be participated in by releasing agent EGDE or AGE
Portion can increase the stability of epoxy resin-cured product relative to non-activated thinner and avoid the volatilization of organic solvent,
It is more environmentally friendly；
2) present invention using independent development polyamide-based curing agent and polyether amine curing agent with mass ratio for 20:80~
The flexible curing agent of 60:40, while introducing has the 9- octadecenyl amine toughener b of amido can be with the epoxy group of epoxy resin
Ring-opening reaction, which occurs, becomes the flexibility of a part promotion cured product of curable epoxide cross-linking products.
3) present invention is to introduce to have the anti-of excellent compatibility in the component A of body of epoxy resin using dual toughener
Answer type liquid nitrile rubber as toughener a, meanwhile, low amine value 9- octadecenyl amine is introduced in the B component of curing agent main body to be made
For toughener b, the dual toughener of epoxy resin and curing agent more fully can carry out effective toughening to cured product, into
One step improves the drawback in the road engineering of the hard and crisp application of epoxy resin-cured product.
Emphasis of the invention and the selection for being not merely only that single component, and it is the selection of each component plus component
Between cooperation and proportion further control, finally just obtain technical effect of the invention.
Specific embodiment
The present invention will be described in detail by following case study on implementation.
For road and bridge high-performance normal-temperature curing epoxy resin water-proof bond material component A the preparation method is as follows:
Epoxy resin is heated to 70 DEG C, is slowly added to toughener a after reaching predetermined temperature, after being added to toughener a
Persistently stir 10min.Diluent is added when temperature is reduced to 50 DEG C, stirs 5min, then ultrasound 20min is gone under 50 DEG C of environment
Except bubble therein is convenient for subsequent operation, it is cooled to room temperature that road and bridge can be obtained is viscous with normal temperature cure flexibilized epoxies waterproof
Tie the component A of agent.
By method made above, this provides three embodiments and three comparative examples, as shown in table 1.
1 road and bridge of table normal temperature cure flexibilized epoxies water-proof adhesive component A quality proportioning
To further illustrate that diluent used in the present invention can significantly reduce the viscosity of epoxy resin, therefore, to
The viscosity of upper formula is measured.Measuring method is investigated GB/T 22314-2008 " plastics epoxy resin viscosity measuring method ", is surveyed
Trying temperature is 30 DEG C, and test result is as follows:
2 road and bridge of table normal temperature cure flexibilized epoxies water-proof adhesive component A viscosity
| Serial number | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Viscosity/mPas | 2295.0 | 1630.5 | 998.6 | 489.7 | 3521.0 | 1235.1 |
Technical requirements its viscosity that epoxy resin is applied in road engineering should be in 600mPas~2500mPas.
Diluent is not used in epoxy resin in component A, viscosity is greater than 5000mPas, directly applies to road and bridge construction
When its workability it is poor.It will increase the whole viscosity of component A when toughener selects liquid nitrile rubber, it is necessary to diluent be cooperated to make
With.Therefore, by embodiment 1, embodiment 2, embodiment 3 it can be seen that matching in technical requirements in this patent requirement
Within the scope of viscosity, and 1 diluent of comparative example the present invention claims in range but be not used toughener a whole viscosity is lower than
600mPas, only toughener a exceeds the scope of the invention to comparative example 2, and whole viscosity is caused to be greater than 2500mPas.
For road and bridge normal temperature cure flexibilized epoxies water-proof bond material B component the preparation method is as follows:
Polyamide-based curing agent is heated to 50 DEG C to be mixed with polyether amine curing agent with mass ratio for 40:60
60min is cooled to room temperature to get the curing agent into B component；After curing agent is heated to 40 DEG C, successively it is added in mass ratio
Toughener b and promotor stir 30min, are cooled to room temperature and road and bridge can be obtained with normal temperature cure flexibilized epoxies waterproof
The B component of binding material.
Embodiment and comparative example is obtained by method made above, as shown in table 3.
3 road and bridge of table normal temperature cure flexibilized epoxies water-proof adhesive B component mass ratio
The road and bridge that the present invention is developed are main with normal temperature cure flexibilized epoxies water-proof adhesive component A and B component
Applied to road and bridge water-proof tack coat, therefore, it is provided below after component A and B component of the present invention mixing that obtain road and bridge solid with room temperature
Change flexibilized epoxies water-proof adhesive quantitative measurement data.
Component A and B component are weighed and are uniformly mixed under room temperature state in mass ratio to get soft with normal temperature cure to road and bridge
Tough epoxy resin water-proof adhesive, specific embodiment are as shown in table 4.Uncured epoxy resin water-proof adhesive is cast and is drawn
Batten is stretched, size is pressed to be executed by specification GB/T 2567-2008 " casting resin method for testing performance ", is placed at room temperature for laggard for 24 hours
Row demoulding conserves 6d under 25 DEG C of environment and carries out tensile strength test, and universal testing machine loading velocity is 10mm/min；It will
Uncured epoxy resin water-proof adhesive presses 0.5kg/m2Being applied to area on glass plate of the surface with release agent is 200mm
× 200mm is placed at room temperature for the batten for being demoulded and being cut into 100mm × 25mm specification for 24 hours, and maintenance 6d is carried out under 25 DEG C of environment
Low-temperature tenderness measurement, low-temperature tenderness measuring temperature are -10 DEG C, and specific test method refers to GB/T 16777-2008 " buildings waterproof
Coating test method "；Uncured epoxy resin water-proof adhesive is pressed into 0.5kg/m2It is clean to be applied to own solvent
0.5kg/m is pressed on the surface of aluminium sheet2And disposably strike off, guarantee that smearing thickness reaches 1.5mm ± 0.2mm, is then placed into room
The lower maintenance 7d of temperature measures its high temperature resistance, and specific experiment method is referring to JC/T 975-2005 " bridge water-repellent paint "；It will not
Cured epoxy resin water-proof adhesive presses 0.5kg/m2Surface is applied to by polishing and removes 100mm × 100mm of laitance
On the C30 coagulating cement soil block of × 50mm, with other one piece of same size and by the coagulating cement soil block of polishing removal laitance
Spliced, 7d is conserved under room temperature state and is detected for adhesion strength, specific test method is referring to JC/T 975-2005 " bridge
With water-repellent paint " it executes.
4 road and bridge of table high-performance normal-temperature curing epoxy resin water-proof adhesive
| Serial number | Component A | B component | Quality proportioning |
| Embodiment 7 | Embodiment 1 is formulated | Embodiment 4 is formulated | 100:39 |
| Embodiment 8 | Embodiment 2 is formulated | Embodiment 5 is formulated | 100:38 |
| Embodiment 9 | Embodiment 3 is formulated | Embodiment 6 is formulated | 100:37 |
| Comparative example 7 | Comparative example 1 is formulated | Embodiment 6 is formulated | 100:37 |
| Comparative example 8 | Embodiment 3 is formulated | Comparative example 4 is formulated | 100:37 |
| Comparative example 9 | Comparative example 3 is formulated | Embodiment 4 is formulated | 100:39 |
| Comparative example 10 | Embodiment 3 is formulated | Comparative example 5 is formulated | 100:30 |
| Comparative example 11 | Embodiment 3 is formulated | Comparative example 6 is formulated | 100:61 |
Obtaining acquisition testing inspection by above embodiments, the results are shown in Table 5.
5 road and bridge of table high-performance normal-temperature curing epoxy resin water-proof adhesive quantitative measurement result
| Serial number | Low temperature flexibility1 | Heat-resisting quantity | Tensile strength/MPa | Elongation at break/% | Elasticity modulus/GPa | Adhesion strength/Mpa |
| Embodiment 7 | √ | √ | 33.6 | 60.8 | 0.6410 | Test specimen damage2 |
| Embodiment 8 | √ | √ | 14.1 | 183.4 | 0.1050 | Test specimen damage |
| Embodiment 9 | √ | √ | 13.6 | 206.4 | 0.0650 | Test specimen damage |
| Comparative example 7 | × | √ | 36.7 | 17.8 | 0.6240 | Test specimen damage |
| Comparative example 8 | × | √ | 41.8 | 16.6 | 0.6420 | Test specimen damage |
| Comparative example 9 | √ | × | 11.0 | 138.11 | 0.0280 | Test specimen damage |
| Comparative example 10 | × | √ | 36.7 | 17.8 | 0.6240 | Test specimen damage |
| Comparative example 11 | √ | √ | 11.8 | 61.2 | 0.1660 | Test specimen damage |
| Same type of material | - | - | 21.3 | 50.1 | 0.6100 | Test specimen damage |
| Technical requirements | √ | √ | ≥12.0 | ≥30 | - | ≥1.7 |
Note 1: wherein " √ " test specimen qualification does not crack, wherein the unqualified cracking of "×" test specimen；
Note 2: test specimen damage refers to C30 concrete block in testing by pressure break, and adhesive surface is intact not to crack.
Epoxy resin water-proof adhesive of the present invention carry out low temperature flexibility, heat-resisting quantity, tensile strength, elongation at break and
Adhesion strength is measured, and wherein embodiment 7~9 is all mixes number within the scope of the present invention, and properties are all satisfied technology
Specification, wherein elongation at break can reach 200% or more and tensile strength is greater than 13MPa.Toughener is not used in comparative example 7
A, toughener b is not used in comparative example 8, other dosage of each component within the scope of the present invention, lead to the low temperature flexibility of cured product
Technical requirements are unsatisfactory for elongation at break.Wherein, reactive diluent dosage exceeds the present invention claims range in comparative example 9, causes
Curable epoxide product is seted to cause its high temperature resistance to be unsatisfactory for requiring from forming fine and close three-D space structure, while strong stretching
The elongation at break for the case where degree reduces is lower than embodiment 9.Wherein comparative example 10 and comparative example 11 are used only in dual cure agent
A kind of curing agent its properties be below embodiment test result.This patent also determines other kinds of asphalt mixtures modified by epoxy resin simultaneously
Rouge water-proof binding agent material, wherein tensile strength, elongation at break are below the present invention.
Road and bridge are applied to steel structural bridge with normal temperature cure flexibilized epoxies water-proof adhesive in operable time
Face, cement concrete bridge deck, cement concrete pavement are mated formation asphalt concrete layer above it again, for 24 hours in this material can be complete
The effect for bonding waterproof is played at solidifying.
Claims (10)
1. a kind of normal temperature cure flexibilized epoxies water-proof adhesive of road and bridge, which is characterized in that the water-proof adhesive packet
Containing component A and B component, wherein the mass parts of each component are as follows:
Component A
100 parts of bis-phenol A glycidyl ether based epoxy resin
Toughener a: 5~15 parts of rubber toughener
5~20 parts of reactive diluent
B component
34~48 parts of polyamide-based curing agent and polyether amine curing agent mixed curing agent
Toughener b: 5~25 parts of response type toughener
0.1~3 part of amine type accelerator
Wherein, the quality proportioning of component A and B component when in use is 100:35~100:50.
2. a kind of road and bridge according to claim 1 are existed with normal temperature cure flexibilized epoxies water-proof adhesive, feature
In the reactive diluent is ethylene glycol diglycidylether or G12+ alcohol glycidol ether.
3. road and bridge according to claim 1 normal temperature cure flexibilized epoxies water-proof adhesive, which is characterized in that poly-
The mass ratio of amides curing agent and polyether amine curing agent mixed curing agent is 20:80~60:40.
4. road and bridge according to claim 1 or 3 are existed with normal temperature cure flexibilized epoxies water-proof adhesive, feature
In the polyamide-based curing agent is 650 or 651.
5. according to claim 1 or 3, the road and bridge are existed with room temperature flexibility cured epoxy resin water-proof adhesive, feature
In the polyether amine curing agent is D400 or D230 or T403.
6. road and bridge according to claim 1 normal temperature cure flexibilized epoxies water-proof adhesive, which is characterized in that increase
Tough dose of a is response type liquid nitrile rubber.
7. road and bridge according to claim 1 normal temperature cure flexibilized epoxies water-proof adhesive, which is characterized in that increase
Tough dose of b is 9- octadecenyl amine.
8. road and bridge according to claim 1 normal temperature cure flexibilized epoxies water-proof adhesive, which is characterized in that institute
Stating amine type accelerator is (dimethylamino methyl) phenol of 2,4,6- tri- or 11 carbon -7- alkene of 1,8- diazabicylo or pyridine.
9. the preparation method of any road and bridge normal temperature cure flexibilized epoxies water-proof adhesive of claim 1~8,
It is characterized in that, the preparation method comprises the following steps:
1) it prepares component A: bis-phenol A glycidyl ether based epoxy resin being heated to 60 DEG C~70 DEG C, toughener a is slowly added to and holds
Continuous stirring 10min~15min, reactive diluent is added when temperature is reduced to 40 DEG C~50 DEG C, stirs 5min~10min,
40 DEG C~50 DEG C ultrasound 15min~20min remove bubble therein, are cooled to room temperature and component A can be obtained；
2) it prepares B component: after polyamide-based curing agent is heated to 40 DEG C~50 DEG C, the stirring of polyether amine curing agent is added
50min~60min is cooled to room temperature to get the curing agent into B component；After curing agent is heated to 40 DEG C~50 DEG C, successively
Toughener b and amine type accelerator are added in mass ratio, stirs 20min~30min, is cooled to room temperature and B component can be obtained；
3) it mixes: component A and B component being uniformly mixed under room temperature state and obtain epoxy resin water-proof adhesive mixed liquor.
10. the preparation method of road and bridge normal temperature cure flexibilized epoxies water-proof adhesive according to claim 9, special
Sign is, in operable time, mixed liquor is uniformly connect and is applied to steel construction bridge floor or cement concrete bridge deck or road surface, then
Mat formation on it bituminous pavement, solidification is completed under room temperature, curing time is less than for 24 hours.
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| 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 |
| CN112724698B (en) * | 2021-01-18 | 2023-11-17 | 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 methods thereof |
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| CN114524655B (en) * | 2022-01-28 | 2022-09-09 | 广东铁科灌浆科技有限公司 | High-strength epoxy polymer modified cement mortar and preparation method thereof |
| CN115627051A (en) * | 2022-10-18 | 2023-01-20 | 保利长大工程有限公司 | Preparation method of high-performance wide-temperature-range epoxy resin binder |
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