CN109679553A - A kind of graphene epoxy waterproof anti-corrosion encapsulating slurry and preparation method thereof - Google Patents
A kind of graphene epoxy waterproof anti-corrosion encapsulating slurry and preparation method thereof Download PDFInfo
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- CN109679553A CN109679553A CN201811590424.2A CN201811590424A CN109679553A CN 109679553 A CN109679553 A CN 109679553A CN 201811590424 A CN201811590424 A CN 201811590424A CN 109679553 A CN109679553 A CN 109679553A
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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
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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
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Sealing Material Composition (AREA)
Abstract
Of the invention provides a kind of graphene flexible epoxy waterproof and anticorrosion encapsulating slurry, include component A and B component, by adding graphene anti-corrosion material, and graphene is set to be uniformly dispersed in the epoxy dispersion liquid or by way of mixing with glass microballoon, it obtains and a kind of has both excellent waterproof and anticorrosion effect and flexible concrete encapsulating slurry, reduction is cracked in use, improves concrete function service life.
Description
Technical field
The invention belongs to concrete protection Material Fields, and in particular to a kind of waterproof and anticorrosion encapsulating slurry.
Background technique
Concrete be by cementitious material cement, sand, stone and water and blended materials, additive etc. according to a certain percentage
It mixes and stirs.As hard as flint after solidification, compression capability is good, but tension ability is poor, is easy to be broken because of tension.In order to solve this
Contradiction gives full play to the compression capability of concrete, often in concrete in tension region or a certain number of steel are added in corresponding site
Muscle makes two kinds of materials be bonded to an entirety, bears external force jointly.This concrete equipped with reinforcing bar, referred to as armored concrete.
For concrete structure because sunlight irradiates, dust storm drenches with rain causes its loose porous with natural aging, corrosive medium can be by
It gradually penetrates into concrete and causes internal reinforcement corrosion, steel bar corrosion further results in that concrete durability is insufficient and premature failure
It destroys, brings serious security risk and economic loss.The endurance quality of armored concrete how is improved, armored concrete is extended
Service life, be the problem of civil engineering field and corrosion protection worker's common concern.Studies have shown that there is enough moisture to join
Be the deterioration of too early durability occurs for concrete necessary condition, and carrying out water-proofing treatment to armored concrete is to improve concrete
The effective measures of durability.Therefore, it develops a kind of simple and effective and can be dropped with the armored concrete protective coating of application over rust
The infiltration rate that low moisture and other corrosive mediums are spread to inside concrete, the service life for extending armored concrete have
It is significant.
Encapsulating slurry is injected into crack using hydraulic, air pressure, it is made to block leakage channel after material solidification.Epoxy
Encapsulating slurry repairs rupture and impaired concrete as construction adhesive.It is as structural epoxy resin healant, energy
Durable adhesion concrete and steel have very long usage history.It is for sealing such as cylinder, crossbeam, ground, deck and water blocking
Cavity and crack in the construction packages such as building.It not only forms together the strong barrier that can effectively prevent water penetration, and
Energy strong binding concrete each section, makes its restore original concrete structural strength, strengthens engineering service life.
In practice, some crack local environments are not only moist, and may there are corrosivenesses to coagulation degree in environment.And
Existing conventional epoxy solidification glue brittleness is big, and adhesive property gradually declines in long-term use, leads to drainage again, and
And conventional epoxy solidification glue does not have anti-corrosion function usually.
On the other hand, due to the dispersion of graphene, so that the application in anti-corrosion material is obstructed, it is limited to be difficult to effectively
Ground and disperse, graphene is difficult to be formed fine and close continuous protecting film, and antiseptic property is affected.But removing graphene by
In the interaction that lamella is strong, graphene sheet layer is easy to reunite together, causes the solubility in organic solvent or water limited,
This is just largely limited its application.How on the basis of not destroying graphene uniqueness physicochemical property realize graphene in
Efficient, stable dispersion in decentralized medium are always industry problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of graphene flexible epoxy waterproof and anticorrosion encapsulating slurry, obtain one kind have both it is excellent
Good waterproof and anticorrosion effect and flexible concrete encapsulating slurry, reduction are cracked in use, improve concrete function
Service life.
Graphene epoxy waterproof anti-corrosion encapsulating slurry provided by the invention, include component A and B component, the component A by with
The group of lower mass parts is grouped as,
E-44, E-51, E-54 are one such or 40-70 parts several,
NC-513, butyl glycidyl ether, benzyl glycidyl ether, the C of Ka Delai company12-C14In alcohol glycidol ether
One or several kinds of 5-40 parts,
One of neopentyl glycol glycidol ether, hexylene glycol glycidol ether, diethylene glycol glycidol ether are several
15-35 parts of kind；
1-20 parts of graphene anti-corrosion material；
The B group is made of curing agent and adhesion promoter.
Further, the B component is grouped as by the group of following mass parts:
30-60 parts of one or more in NC-540, NC-558, LITE 2002, the NX-2003D of Ka Delai company,
40-70 parts of the NX-5198 of Ka Delai company,
2-5 parts of K54 promotor,
0.5-3 parts of adhesion promoter.
Further, the adhesive force agent is BYK-4511, BYK-4513 and Bi Ke of Bi Ke chemical company, Germany production
It is one or several kinds of in chemistry 1121.
Further, the A of the encapsulating slurry, B component use fit quality ratio be 1:(1-1.5).
Further, the graphene anti-corrosion material is graphene dispersing solution.
Further, the graphene dispersing solution is graphene isopropanol dispersion liquid.Preferably, the dispersion liquid is in oxygen
Reducing agent is added in graphite alkene dispersion liquid, dispersing agent forms dispersion liquid.Further, the solid content of graphene dispersing solution is 10
~15%, thickness is in 0.5~3.0nm, and 0.5-3 μm or so of microplate diameter, the number of plies: 1-3 layers, be the graphene dispersed evenly and stably
Dispersion liquid.
Further, the graphene anti-corrosion material is the mixture of graphene nano powder Yu micropore glass pearl.
Preferably, the mixed proportion of the graphene and micropore glass pearl is 1:(1-2).
Preferably, the diameter of the micropore glass pearl is 10-100um, and several blind holes are distributed in surface.
Graphene helps sufficiently to mix graphene with other components with dispersion liquid or the form mixed with bead
It is even, to preferably play the antiseptic property of graphene, material flexibility is improved, keeps cementability and soft in the long-term use
Toughness avoids crisp section of cracking, picks up closure and anti-corrosion effect.
The preparation method of above-mentioned graphene flexible epoxy waterproof and anticorrosion encapsulating slurry provided by the invention, including following step
It is rapid:
According to component A formula, various epoxy resin, liquid graphite alkene are added sequentially in reaction kettle, stirred evenly
To component A；According to B component formula, various curing agent and adhesion promoter are sequentially added in reaction kettle, are uniformly mixing to obtain
B component.
The encapsulating slurry provided by the invention, the use of time stir A, mixing according to mass ratio 1:(1-1.5) for B component
Mixing uniform post curing can construct for 20 minutes.
Compared with prior art, the invention has the following advantages:
1. right the present invention provides a kind of new concrete encapsulating slurry for having both excellent waterproof performance and antiseptic property
In crack local environment humidity, and concrete may be deposited in environment in the case of corrosion, more effectively waterproof and anti-corrosion.
2. encapsulating slurry provided by the invention passes through the specific type selecting and collocation group to components such as epoxy resin, promotors
It closes, obtained product has preferable compression strength, tensile shear strength and tensile strength, while having preferable bonding strong
Degree keeps cementability and flexibility in the long-term use, avoids crisp section of cracking, picks up closure and anti-corrosion effect.
3. encapsulating slurry composition provided by the invention is simple, preparation is easy, and component is existing commercial goods, is obtained and is held
Easily, at low cost.
4. the method for the present invention is facilitated by way of graphene is prepared into graphene dispersing solution or is mixed with bead
Graphene is sufficiently uniformly mixed with other components, overcomes the problems, such as that graphene is easy to reunite, to preferably play graphene
Antiseptic property and improve material flexibility, keep cementability and flexibility in the long-term use, avoid crisp section of cracking, pick up
Closure and anti-corrosion effect.
Specific embodiment
Encapsulating slurry of the present invention is done furtherly below by specific embodiment.It is below only reality of the invention
Example is applied, is not intended to limit the scope of the invention.
In following embodiment, the graphene dispersing solution is prepared by the following method:
(1) graphene oxide made from Hummers method is distributed in isopropanol, stirring, is centrifugally separating to obtain oxygen at ultrasound
Graphite alkene dispersion liquid；
(2) graphene oxide dispersion is added in high pressure spray tank, graphene oxide dispersion is sprayed into liquid nitrogen by pressurization
In container, in subzero 80 DEG C of progress fast frozen, the quick-frozen product of graphene oxide dispersion is obtained；
(3) the quick-frozen product of above-mentioned graphene oxide dispersion is added in the reaction kettle equipped with isopropanol, makes system certainly
So it is warmed to room temperature；
(4) at room temperature, it is 4.00-11.00 that acidity regulator second acid for adjusting pH, which is added, in Xiang Shangshu system；
(5) mass ratio of Xiang Shangshu system addition reducing agent ascorbic acid, graphene oxide and reducing agent is 1:2-5:1,
It is warming up to 60-70 DEG C to react 8-14 hours, is separated by solid-liquid separation, obtains solid material；
(6) solvent C isopropanol is added in above-mentioned solid material, is separated using supersonic cleaning machine washing, centrifuge, obtains stone
Black alkene dispersion liquid.
Embodiment 1
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1。
The component A is grouped as by the group of following mass parts,
The solid content of graphene dispersing solution is 10%, and thickness is in 0.5~3.0nm, 0.5-3 μm or so of microplate diameter, the number of plies:
1-3 layers, be the graphene dispersing solution dispersed evenly and stably.
The B component is grouped as by the group of following mass parts:
Embodiment 2
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1.5。
The component A is grouped as by the group of following mass parts,
The graphene dispersing solution is graphene isopropanol dispersion liquid.Preferably, the dispersion liquid is in graphene oxide
Reducing agent is added in dispersion liquid, dispersing agent forms dispersion liquid.Further, the solid content of graphene dispersing solution is 12%, thickness
In 0.5~3.0nm, 0.5-3 μm or so of microplate diameter, the number of plies: 1-3 layers, be the graphene dispersing solution dispersed evenly and stably.
The B component is grouped as by the group of following mass parts:
Embodiment 3
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1。
The component A is grouped as by the group of following mass parts,
The graphene dispersing solution is graphene isopropanol dispersion liquid.Preferably, the dispersion liquid is in graphene oxide
Reducing agent is added in dispersion liquid, dispersing agent forms dispersion liquid.Further, the solid content of graphene dispersing solution is 15%, thickness
In 0.5~3.0nm, 0.5-3 μm or so of microplate diameter, the number of plies: 1-3 layers, be the graphene dispersing solution dispersed evenly and stably.
The B component is grouped as by the group of following mass parts:
Embodiment 4
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1.5。
The component A is grouped as by the group of following mass parts,
Graphene mixes 20 parts of resulting mixture with micropore glass pearl with mass ratio 1:1
Preferably, the diameter of the micropore glass pearl is 10-100um, and several blind holes are distributed in surface.
Graphene helps sufficiently to mix graphene with other components with dispersion liquid or the form mixed with bead
It is even, to preferably play the antiseptic property of graphene.
The B component is grouped as by the group of following mass parts:
Embodiment 5
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1.5。
The component A is grouped as by the group of following mass parts,
Graphene mixes 20 parts of resulting mixture with micropore glass pearl with mass ratio 1:1,
Preferably, the diameter of the micropore glass pearl is 10-100um, and several blind holes are distributed in surface.
Graphene helps sufficiently to mix graphene with other components with dispersion liquid or the form mixed with bead
It is even, to preferably play the antiseptic property of graphene.
The B component is grouped as by the group of following mass parts:
Embodiment 6
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1.5。
The component A is grouped as by the group of following mass parts,
Graphene mixes 11 parts of resulting mixture with micropore glass pearl with mass ratio 1:1
Preferably, the diameter of the micropore glass pearl is 10-100um, and several blind holes are distributed in surface.
Graphene helps sufficiently to mix graphene with other components with dispersion liquid or the form mixed with bead
It is even, to preferably play the antiseptic property of graphene.
The B component is grouped as by the group of following mass parts:
Embodiment 7
Graphene epoxy waterproof anti-corrosion encapsulating slurry, include component A and B component, A, B component use fit quality ratio be
1:1.5。
The component A is grouped as by the group of following mass parts,
Graphene mixes 20 parts of resulting mixture with micropore glass pearl with mass ratio 1:1
Preferably, the diameter of the micropore glass pearl is 10-100um, and several blind holes are distributed in surface.
Graphene helps sufficiently to mix graphene with other components with dispersion liquid or the form mixed with bead
It is even, to preferably play the antiseptic property of graphene.
The B component is grouped as by the group of following mass parts:
The grouting envelope material of the formula described in above embodiments is prepared by the following method:
According to component A formula, various epoxy resin, liquid graphite alkene are added sequentially in reaction kettle, stirred evenly
To component A；According to B component formula, various curing agent and adhesion promoter are sequentially added in reaction kettle, are uniformly mixing to obtain
B component.
The encapsulating slurry provided by the invention, the use of time stir A, mixing according to mass ratio 1:(1-1.5) for B component
(manufacture bases standard is JC/T 1041-2007) can be constructed for 20 minutes by mixing uniform post curing.
28 days ages test product using effect is tried with the measurement of condensate performance, the parameter of product and after 28 days when construction
Induration performance is as follows.
Product test data made from embodiment 1:
The parameter of product when construction:
Induration mechanical property:
Product test data made from embodiment 2:
Induration mechanical property:
Product test data made from embodiment 3:
The parameter of product when construction:
Induration mechanical property:
As it can be seen that encapsulating slurry provided by the invention, by the specific type selecting of the components such as epoxy resin, promotor and collocation
Combination, obtained product have preferable compression strength, tensile shear strength and tensile strength, while having preferable bonding strong
Degree keeps cementability and flexibility in the long-term use, avoids crisp section of cracking, picks up closure and anti-corrosion effect.The present invention
Method combines form that graphene is prepared into graphene dispersing solution or is mixed with bead, facilitate graphene sufficiently and its
He is uniformly mixed component, overcomes the problems, such as that graphene is easy to reunite, to preferably play antiseptic property and the raising of graphene
Material flexibility keeps cementability and flexibility in the long-term use, avoids crisp section of cracking, picks up closure and anti-corrosion effect.
Claims (10)
1. graphene epoxy waterproof anti-corrosion encapsulating slurry, which is characterized in that include component A and B component, the component A is by following
The group of mass parts is grouped as,
E-44, E-51, E-54 are one such or 40-70 parts several,
NC-513, butyl glycidyl ether, benzyl glycidyl ether, the C of Ka Delai company12-C14One in alcohol glycidol ether
Kind is 5-40 parts several,
One of neopentyl glycol glycidol ether, hexylene glycol glycidol ether, diethylene glycol glycidol ether are several
15-35 parts；
1-20 parts of graphene anti-corrosion material；
The B group is made of curing agent and adhesion promoter.
2. encapsulating slurry according to claim 1, which is characterized in that the B component is grouped as by the group of following mass parts:
30-60 parts of one or more in NC-540, NC-558, LITE 2002, the NX-2003D of Ka Delai company,
40-70 parts of the NX-5198 of Ka Delai company,
2-5 parts of K54 promotor,
0.5-3 parts of adhesion promoter.
3. encapsulating slurry according to claim 2, which is characterized in that the adhesive force agent is the production of Bi Ke chemical company, Germany
BYK-4511, BYK-4513 and Bi Ke chemistry 1121 in it is one or several kinds of.
4. encapsulating slurry described in any claim in -3 according to claim 1, which is characterized in that A, B of the encapsulating slurry
The use fit quality ratio of component is 1:(1-1.5).
5. encapsulating slurry described in any claim in -3 according to claim 1, which is characterized in that the graphene anti-corrosion material
For graphene dispersing solution.
6. the encapsulating slurry according to any claim in claim 5, which is characterized in that the graphene dispersing solution is stone
Black alkene isopropanol dispersion liquid.
7. the encapsulating slurry according to any claim in claim 6, which is characterized in that the solid content of graphene dispersing solution
It is 10~15%, thickness is in 0.5~3.0nm, and 0.5-3 μm or so of microplate diameter, the number of plies: 1-3 layers.
8. encapsulating slurry described in any claim in -3 according to claim 1, which is characterized in that the graphene anti-corrosion material
It is the mixture of graphene nano powder Yu micropore glass pearl, the mass mixing ratio of the graphene and micropore glass pearl is 1:
(1-2)。
9. encapsulating slurry according to claim 8, which is characterized in that the diameter of the micropore glass pearl is 10-100um,
Several blind holes are distributed in surface.
10. the preparation method of pipe slurry seal material described in people's original claim in claim 1-9, which is characterized in that match according to component A
Side, various epoxy resin, liquid graphite alkene are added sequentially in reaction kettle, component A is uniformly mixing to obtain；Match according to B component
Side, various curing agent and adhesion promoter are sequentially added in reaction kettle, are uniformly mixing to obtain B component, by A, B group when use
That divides is mixed evenly post curing 20 minutes according to mass ratio 1:(1-1.5) and can construct.
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| CN115382424A (en) * | 2022-03-01 | 2022-11-25 | 江苏江南烯元石墨烯科技有限公司 | Preparation equipment of special high-performance graphene organic nano anticorrosive paint |
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|---|---|
| CN109679553B (en) | 2021-11-09 |
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Address after: Yuantong Industrial Point, Chongzhou Industrial Development Zone, Chengdu City, Sichuan Province, 611200 Patentee after: Beixin Waterproof (Chengdu) Co.,Ltd. Address before: 611230 Yuantong industrial site, Chongzhou Industrial Development Zone, Chengdu City, Sichuan Province Patentee before: SICHUAN SHUYANG WATERPROOF MATERIAL Co.,Ltd. |