CN108546000A - A kind of modified epoxy resin concrete material and its microwave curing preparation method thereof - Google Patents
A kind of modified epoxy resin concrete material and its microwave curing preparation method thereof Download PDFInfo
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- CN108546000A CN108546000A CN201810552771.XA CN201810552771A CN108546000A CN 108546000 A CN108546000 A CN 108546000A CN 201810552771 A CN201810552771 A CN 201810552771A CN 108546000 A CN108546000 A CN 108546000A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0204—Selection of the hardening environment making use of electric or wave energy or particle radiation
- C04B40/0213—Electromagnetic waves
- C04B40/0218—Microwaves
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epoxy Resins (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of modified epoxy resin concrete material and its microwave curing preparation method thereof, material composition is component A：Bisphenol A type epoxy resin, 2 phenoxyethyl acrylates, nanometer calcium silicates, nanometer boron fibre, polyborosiloxane；B component：Diluent；Component C：Filler；D components：Curing agent；Component E：Building stones.The invention also discloses the microwave curing preparation method thereofs of the material：Prepare modified epoxy；Material is mixed；It pours into Teflon mould and consolidates, strikes off；Be put into microwave radiation device carry out it is stage curing.Bisphenol A type epoxy resin is modified in the preparation process one of epoxy resin concrete material of the present invention, makes it have excellent high temperature resistant, ageing-resistant, resistance to compression, anti-folding, tensile property.On the one hand the present invention saves the energy using segmentation hoisting power microwave curing process, on the other hand by progressive solidification process, extend the presetting period, and solidification is uniform, promotes curing performance.
Description
Technical field
The present invention relates to a kind of modified epoxy resin concrete material and its microwave curing preparation method thereofs.
Background technology
Epoxy resin can cure at ambient temperature and in wet environment, it has also become cement concrete road construction and dimension
The common modified material repaiied, can characteristic Thermal Stability of Epoxy Resin is good, that intensity is high and cohesive force is strong perform to Load materials
In.Therefore epoxy resin concrete is wherein to study a kind of more Inorganic whisker class patching material, it have intensity it is high,
Many advantages, such as corrosion resistance is good, good with existing cement-concrete pavement adhesion strength, can also reach quick using suitable curing system
Cured purpose.
But quick-setting epoxy systems presetting period is shorter, construction is not easy to control.Using microwave curing epoxy resin
Concrete, may be used that the presetting period is longer, the more manageable curing system of construction, after being shortened using microwave Study On Solidified Principle
Hardening time phase, and cure uniformly, condensate performance is good, therefore microwave curing epoxy resin concrete is more suitable for quickly repairing
Mend material.
Invention content
In view of the deficiency of above-mentioned technology, the purpose of the present invention is to provide a kind of modified epoxy resin concrete material and its
Microwave curing preparation method thereof, by by bisphenol A type epoxy resin be modified so that, concrete material have excellent resistance to compression, it is anti-folding,
Tensile property, using segmentation hoisting power microwave curing process so that solidification is uniform, promotes curing performance.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of modified epoxy resin concrete material, is made of following raw materials according, and the weight ratio of each component is：
Component A：50-60 parts of bisphenol A type epoxy resin, 2-5 parts of 2- phenoxyethyl acrylates, nanometer calcium silicates 1-2
Part, 1-2 parts of nanometer boron fibre, 1-4 parts of polyborosiloxane；
B component：Diluent；
Component C：Filler；
D components：Curing agent；
Component E：Building stones；
Wherein, component A, B component, component C mass ratio be 100：1-4：1-2, component A, B component, component C mixture
Mass ratio with D components is 10：1-2, component A, B component, component C, the mixture of D components and component E mass ratio be 1-3：
10。
Diluent is propylene oxide benzylic ether or siloxanes.
Filler is silica flour, talcum powder or schmigel.
Curing agent is polyamide curing agent, pnenolic aldehyde amine hardener or polyketone amine hardener.
Building stones are basalt, limestone mineral powder.
A kind of microwave curing preparation method thereof of modified epoxy resin concrete material, it is characterised in that preparation process is as follows：
(1) in mass ratio by 2- phenoxyethyl acrylates, calcium silicates, nanometer boron fibre and bisphenol A type epoxy resin
It is uniformly mixed in reaction kettle, is then warming up to 120-130 DEG C in the case where vacuum degree is 0.04-0.06MPa, is kept for 200-300 points
Then polyborosiloxane is added in clock, continue to be kept for 30-50 minutes, obtain modified epoxy；
(2) modified epoxy, diluent, filler, curing agent are mixed in mass ratio, is stirred；
(3) building stones are added to continue to stir, mixture is poured into Teflon mould and consolidates, strike off；
(4) it is put into microwave radiation device and is cured, the condition of microwave irradiation is that step 1) microwave curing power is
140W cures 5min；Step 2) microwave curing power is 260W, cures 15min；Step 3) microwave curing power is 380W, Gu
Change 30min, interval 30s is to get modified epoxy resin concrete material between each step.
Advantageous effect
In the present invention, the modification of bisphenol A type epoxy resin is this hair in the preparation process one of epoxy resin concrete material
The concrete material of bright offer have excellent resistance to compression, it is anti-folding, tensile property key, by step 1 to bisphenol-A type ring
The modification of oxygen resin forms based on bisphenol A type epoxy resin, with nanometer boron fibre and 2- phenoxyethyl acrylates
For the special microcosmic composite construction of " carrier ", form a nanometer calcium silicates, 2- phenoxyethyl acrylates, nanometer boron fibre and
The dense body of the mutual composite crosslinking of special crystalline structure of bisphenol A type epoxy resin has excellent high temperature resistant, ageing-resistant, anti-
Pressure, anti-folding, tensile property.
On the one hand the present invention can be saved the energy, on the other hand can be led to using segmentation hoisting power microwave curing process
Progressive solidification process is crossed, the presetting period is extended, solidification is uniform, promotes curing performance.
Specific implementation mode
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1：
A kind of modified epoxy resin concrete material, is made of following raw materials according, and the weight ratio of each component is：
Component A：55 parts of bisphenol A type epoxy resin, 3 parts of 2- phenoxyethyl acrylates, 2 parts of nanometer calcium silicates, nanometer
2 parts of boron fibre, 4 parts of polyborosiloxane；
B component：Diluent；
Component C：Filler；
D components：Curing agent；
Component E：Building stones；
Wherein, component A, B component, component C mass ratio be 100：3：2, component A, B component, component C mixture and D
The mass ratio of component is 5：1, component A, B component, component C, the mixture of D components and component E mass ratio be 3：10.
Diluent is propylene oxide benzylic ether.
Filler is silica flour.
Curing agent is polyamide curing agent, pnenolic aldehyde amine hardener or polyketone amine hardener.
Building stones are basalt.
A kind of microwave curing preparation method thereof of modified epoxy resin concrete material, it is characterised in that preparation process is as follows：
(1) in mass ratio by 2- phenoxyethyl acrylates, calcium silicates, nanometer boron fibre and bisphenol A type epoxy resin
It is uniformly mixed in reaction kettle, is then warming up to 130 DEG C in the case where vacuum degree is 0.06MPa, kept for 300 minutes, be then added poly-
Borosiloxane continues to be kept for 50 minutes, obtains modified epoxy；
(2) modified epoxy, diluent, filler, curing agent are mixed in mass ratio, is stirred；
(3) building stones are added to continue to stir, mixture is poured into Teflon mould and consolidates, strike off；
(4) it is put into microwave radiation device and is cured, the condition of microwave irradiation is that step 1) microwave curing power is
140W cures 5min；Step 2) microwave curing power is 260W, cures 15min；Step 3) microwave curing power is 380W, Gu
Change 30min, interval 30s is to get modified epoxy resin concrete material between each step.
In the present invention, the modification of bisphenol A type epoxy resin is this hair in the preparation process one of epoxy resin concrete material
The concrete material of bright offer have excellent resistance to compression, it is anti-folding, tensile property key, by step 1 to bisphenol-A type ring
The modification of oxygen resin forms based on bisphenol A type epoxy resin, with nanometer boron fibre and 2- phenoxyethyl acrylates
For the special microcosmic composite construction of " carrier ", form a nanometer calcium silicates, 2- phenoxyethyl acrylates, nanometer boron fibre and
The dense body of the mutual composite crosslinking of special crystalline structure of bisphenol A type epoxy resin has excellent high temperature resistant, ageing-resistant, anti-
Pressure, anti-folding, tensile property.
On the one hand the present invention can be saved the energy, on the other hand can be led to using segmentation hoisting power microwave curing process
Progressive solidification process is crossed, the presetting period is extended, solidification is uniform, promotes curing performance.
The mechanical property of modified epoxy resin concrete material is as follows in the present embodiment：
| Pilot project | Test method | Test result |
| Compression strength | GB50081-2002 | 63.8MPa |
| Flexural strength | GB50081-2002 | 15.2MPa |
| Tensile splitting strength | GB50081-2002 | 16.3MPa |
| With concrete interface adhesion strength | - | Not less than former concrete tensile strength |
In order to illustrate the performance of modified epoxy resin concrete material provided above, the present invention carries out in the course of the research
A series of check experiments, following selected part illustrate：
Comparative example 1：
Embodiment 2：
A kind of modified epoxy resin concrete material, is made of following raw materials according, and the weight ratio of each component is：
Component A：52 parts of bisphenol A type epoxy resin, 2 parts of 2- phenoxyethyl acrylates, 1 part of nanometer calcium silicates, nanometer
1 part of boron fibre, 3 parts of polyborosiloxane；
B component：Diluent；
Component C：Filler；
D components：Curing agent；
Component E：Building stones；
Wherein, component A, B component, component C mass ratio be 100：4：1, component A, B component, component C mixture and D
The mass ratio of component is 10：1, component A, B component, component C, the mixture of D components and component E mass ratio be 1：10.
Diluent is siloxanes.
Filler is talcum powder.
Curing agent is pnenolic aldehyde amine hardener.
Building stones are limestone mineral powder.
A kind of microwave curing preparation method thereof of modified epoxy resin concrete material, it is characterised in that preparation process is as follows：
(1) in mass ratio by 2- phenoxyethyl acrylates, calcium silicates, nanometer boron fibre and bisphenol A type epoxy resin
It is uniformly mixed in reaction kettle, is then warming up to 125 DEG C in the case where vacuum degree is 0.05MPa, kept for 250 minutes, be then added poly-
Borosiloxane continues to be kept for 40 minutes, obtains modified epoxy；
(2) modified epoxy, diluent, filler, curing agent are mixed in mass ratio, is stirred；
(3) building stones are added to continue to stir, mixture is poured into Teflon mould and consolidates, strike off；
(4) it is put into microwave radiation device and is cured, the condition of microwave irradiation is that step 1) microwave curing power is
140W cures 5min；Step 2) microwave curing power is 260W, cures 15min；Step 3) microwave curing power is 380W, Gu
Change 30min, interval 30s is to get modified epoxy resin concrete material between each step.
In the present invention, the modification of bisphenol A type epoxy resin is this hair in the preparation process one of epoxy resin concrete material
The concrete material of bright offer have excellent resistance to compression, it is anti-folding, tensile property key, by step 1 to bisphenol-A type ring
The modification of oxygen resin forms based on bisphenol A type epoxy resin, with nanometer boron fibre and 2- phenoxyethyl acrylates
For the special microcosmic composite construction of " carrier ", form a nanometer calcium silicates, 2- phenoxyethyl acrylates, nanometer boron fibre and
The dense body of the mutual composite crosslinking of special crystalline structure of bisphenol A type epoxy resin has excellent high temperature resistant, ageing-resistant, anti-
Pressure, anti-folding, tensile property.
On the one hand the present invention can be saved the energy, on the other hand can be led to using segmentation hoisting power microwave curing process
Progressive solidification process is crossed, the presetting period is extended, solidification is uniform, promotes curing performance.
The mechanical property of modified epoxy resin concrete material is as follows in the present embodiment：
Embodiment 3：
A kind of modified epoxy resin concrete material, is made of following raw materials according, and the weight ratio of each component is：
Component A：58 parts of bisphenol A type epoxy resin, 4 parts of 2- phenoxyethyl acrylates, 1 part of nanometer calcium silicates, nanometer
2 parts of boron fibre, 4 parts of polyborosiloxane；
B component：Diluent；
Component C：Filler；
D components：Curing agent；
Component E：Building stones；
Wherein, component A, B component, component C mass ratio be 100：3：1, component A, B component, component C mixture and D
The mass ratio of component is 10：1, component A, B component, component C, the mixture of D components and component E mass ratio be 1：5.
Diluent is propylene oxide benzylic ether.
Filler is schmigel.
Curing agent is polyketone amine hardener.
Building stones are limestone mineral powder.
A kind of microwave curing preparation method thereof of modified epoxy resin concrete material, it is characterised in that preparation process is as follows：
(1) in mass ratio by 2- phenoxyethyl acrylates, calcium silicates, nanometer boron fibre and bisphenol A type epoxy resin
It is uniformly mixed in reaction kettle, is then warming up to 120 DEG C in the case where vacuum degree is 0.04MPa, kept for 200 minutes, be then added poly-
Borosiloxane continues to be kept for 30 minutes, obtains modified epoxy；
(2) modified epoxy, diluent, filler, curing agent are mixed in mass ratio, is stirred；
(3) building stones are added to continue to stir, mixture is poured into Teflon mould and consolidates, strike off；
(4) it is put into microwave radiation device and is cured, the condition of microwave irradiation is that step 1) microwave curing power is
140W cures 5min；Step 2) microwave curing power is 260W, cures 15min；Step 3) microwave curing power is 380W, Gu
Change 30min, interval 30s is to get modified epoxy resin concrete material between each step.
In the present invention, the modification of bisphenol A type epoxy resin is this hair in the preparation process one of epoxy resin concrete material
The concrete material of bright offer have excellent resistance to compression, it is anti-folding, tensile property key, by step 1 to bisphenol-A type ring
The modification of oxygen resin forms based on bisphenol A type epoxy resin, with nanometer boron fibre and 2- phenoxyethyl acrylates
For the special microcosmic composite construction of " carrier ", form a nanometer calcium silicates, 2- phenoxyethyl acrylates, nanometer boron fibre and
The dense body of the mutual composite crosslinking of special crystalline structure of bisphenol A type epoxy resin has excellent high temperature resistant, ageing-resistant, anti-
Pressure, anti-folding, tensile property.
On the one hand the present invention can be saved the energy, on the other hand can be led to using segmentation hoisting power microwave curing process
Progressive solidification process is crossed, the presetting period is extended, solidification is uniform, promotes curing performance.
The mechanical property of modified epoxy resin concrete material is as follows in the present embodiment：
| Pilot project | Test method | Test result |
| Compression strength | GB50081-2002 | 63.0MPa |
| Flexural strength | GB50081-2002 | 15.1MPa |
| Tensile splitting strength | GB50081-2002 | 16.2MPa |
| With concrete interface adhesion strength | - | Not less than former concrete tensile strength |
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of modified epoxy resin concrete material, it is characterised in that：The concrete material is made of following raw materials according, each component
Weight ratio be：
Component A：50-60 parts of bisphenol A type epoxy resin, 2-5 parts of 2- phenoxyethyl acrylates, 1-2 parts of nanometer calcium silicates are received
1-2 parts of boron fibre of rice, 1-4 parts of polyborosiloxane；
B component：Diluent；
Component C：Filler；
D components：Curing agent；
Component E：Building stones；
Wherein, component A, B component, component C mass ratio be 100：1-4：1-2, component A, B component, component C mixture and D
The mass ratio of component is 10：1-2, component A, B component, component C, the mixture of D components and component E mass ratio be 1-3：10.
2. a kind of epoxy resin concrete material according to claim 1, it is characterised in that the diluent is epoxy third
Alkane benzylic ether or siloxanes.
3. a kind of epoxy resin concrete material according to claim 1, it is characterised in that the filler is silica flour, cunning
Mountain flour or schmigel.
4. a kind of epoxy resin concrete material according to claim 1, it is characterised in that the curing agent is polyamide
Curing agent, pnenolic aldehyde amine hardener or polyketone amine hardener.
5. a kind of epoxy resin concrete material according to claim 1, it is characterised in that the building stones are basalt, stone
Limestone miberal powder.
6. a kind of microwave curing preparation method thereof of modified epoxy resin concrete material according to claim 1, feature
It is that preparation process is as follows：
(1) in mass ratio by 2- phenoxyethyl acrylates, calcium silicates, nanometer boron fibre and bisphenol A type epoxy resin are in anti-
It answers in kettle and is uniformly mixed, be then warming up to 120-130 DEG C in the case where vacuum degree is 0.04-0.06MPa, kept for 200-300 minutes, so
After polyborosiloxane is added, continue keep 30-50 minutes, obtain modified epoxy；
(2) modified epoxy, diluent, filler, curing agent are mixed in mass ratio, is stirred；
(3) building stones are added to continue to stir, mixture is poured into Teflon mould and consolidates, strike off；
(4) it being put into microwave radiation device and is cured, it is 140W that the condition of microwave irradiation, which is step 1) microwave curing power, Gu
Change 5min；Step 2) microwave curing power is 260W, cures 15min；Step 3) microwave curing power is 380W, cures 30min,
Interval 30s is to get modified epoxy resin concrete material between each step.
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| CN201810552771.XA CN108546000A (en) | 2018-05-31 | 2018-05-31 | A kind of modified epoxy resin concrete material and its microwave curing preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111778526A (en) * | 2019-12-09 | 2020-10-16 | 湖南天惠新材料科技有限公司 | Electrolytic cell and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497510A (en) * | 2009-03-03 | 2009-08-05 | 重庆鹏方路面工程技术研究院有限公司 | Modified epoxy resin concrete material and preparation thereof |
| CN102584109A (en) * | 2012-01-13 | 2012-07-18 | 雷运波 | Epoxy resin concrete material and microwave-coagulation preparation method thereof |
| CN103964747A (en) * | 2014-04-10 | 2014-08-06 | 广东省建筑科学研究院 | Weather-proof and quick-drying pavement damage repairing material and preparation method thereof |
| CN106684227A (en) * | 2016-12-30 | 2017-05-17 | 江苏稳润光电有限公司 | Ultraviolet LED package method |
-
2018
- 2018-05-31 CN CN201810552771.XA patent/CN108546000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497510A (en) * | 2009-03-03 | 2009-08-05 | 重庆鹏方路面工程技术研究院有限公司 | Modified epoxy resin concrete material and preparation thereof |
| CN102584109A (en) * | 2012-01-13 | 2012-07-18 | 雷运波 | Epoxy resin concrete material and microwave-coagulation preparation method thereof |
| CN103964747A (en) * | 2014-04-10 | 2014-08-06 | 广东省建筑科学研究院 | Weather-proof and quick-drying pavement damage repairing material and preparation method thereof |
| CN106684227A (en) * | 2016-12-30 | 2017-05-17 | 江苏稳润光电有限公司 | Ultraviolet LED package method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111778526A (en) * | 2019-12-09 | 2020-10-16 | 湖南天惠新材料科技有限公司 | Electrolytic cell and preparation method thereof |
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