CN109053224A - A kind of graphene nano silicon metal waterproofing agent and preparation method thereof - Google Patents
A kind of graphene nano silicon metal waterproofing agent and preparation method thereof Download PDFInfo
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- CN109053224A CN109053224A CN201811276530.3A CN201811276530A CN109053224A CN 109053224 A CN109053224 A CN 109053224A CN 201811276530 A CN201811276530 A CN 201811276530A CN 109053224 A CN109053224 A CN 109053224A
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- waterproofing agent
- nano silicon
- silicon metal
- graphene
- graphene nano
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Classifications
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5001—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with carbon or carbonisable materials
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The present invention relates to build concrete protective agent technical fields more particularly to a kind of graphene nano silicon metal waterproofing agent and preparation method thereof.Each component including following weight percent: graphene 1%~5%, waterproofing agent 5%~30%, nanosilica solution 5%~40%, dispersing agent 0.2%~1%, barium hydroxide 5%~40%, water 20%~80%.Graphene nano silicon metal waterproofing agent of the invention is organic nano waterproof agent in conjunction with inorganic phase.It is mainly used for the waterproof and anticorrosion processing of concrete structure, by being directly brushed to concrete surface, organic active substance can form water-repellent layer penetrating into inside concrete, and graphene nano composite inorganic active material can penetrate into inside concrete and form a large amount of insoluble nanocrystals, the hole and minute crack of blocking concrete.After concrete is dry, which will continue to reaction and forms crystal, has multiple repair ability, plays waterproof and protective action.
Description
Technical field
The present invention relates to build concrete protective agent technical field more particularly to a kind of graphene nano silicon metal waterproofs
Agent and preparation method thereof.
Background technique
Concrete is a kind of composite material, internal to contain a large amount of hole and micro-crack, and some corrosive mediums can be
As these defects enter inside concrete under the action of water, these substances can corrode reinforcing bar, seriously affect concrete knot
The durability of structure and service life.Concrete key protection is broadly divided into flexible water and rigid waterproofing, and flexible water, which refers to, uses waterproof
Coiled material or water-repellent paint carry out outsourcing waterproof to structure, to realize building waterproof.Rigid waterproofing refers to by concrete sheet
Body waterproof realizes building structure waterproof, that is, improves the impermeability of concrete, block the hole of concrete, prevent moisture from entering mixed
Solidifying soil is internal.
Currently, improving the anti-permeability performance of concrete by addition waterproofing agent, common waterproofing agent mainly has chloride salt, hard ester
Barbiturates, waterproofing agent of organic silicon etc..Wherein the impervious effect of chloride salt is fine, but Chloride Attack reinforcing bar, reduces building
Object service life.Stearic acid salt and the impervious effect of organic silicon waterproofing agent are poor, and seepage resistance demand is not achieved.Organic silicon waterproof
Agent has many advantages, such as that penetrating power is strong, hydrophobicity is good but impermeability is poor.Therefore, steel will not be corroded by being badly in need of one kind currently on the market
Muscle, the good waterproofing agent product of impervious effect.
Summary of the invention
To solve the shortcomings of the prior art, the present invention provide one kind will not corroded steel reinforcement, the good graphite of impervious effect
Alkene nanocrystalline silicon waterproofing agent and preparation method thereof.
The technical solution of the present invention is as follows:
A kind of graphene nano silicon metal waterproofing agent, each component including following weight percent: graphene 1%~5%,
Waterproofing agent 5%~30%, nanosilica solution 5%~40%, dispersing agent 0.2%~1%, barium hydroxide 5%~40%,
Water 20%~80%.
Preferably, the graphene is the 1-5 layer graphene oxide aqueous slurry of 5wt%.
Preferably, the waterproofing agent is colorless and transparent 20wt%~30wt% methane-siliconic acid sodium solution.
Preferably, the nanosilica solution is the unformed dioxy of colorless aqueous anion of 40wt%~50wt%
SiClx colloidal solution.
Preferably, the dispersing agent is set as anion surface active dispersing agent.
Preferably, the dispersing agent is dispersing agent 5040.
Preferably, the barium hydroxide is set as the barium hydroxide solution of 5wt%~15wt%.
A kind of preparation method of graphene nano silicon metal waterproofing agent, comprising the following steps:
1) water, graphene, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1~2 hour；
2) mixture that step 1) is stirred pours into heating stirring 1~2 hour in reaction kettle, and heating temperature is 60 DEG C~
70℃；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle,
Continue heating stirring 2~3 hours, heating temperature is 80 DEG C~90 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproof is arrived
Agent.
The beneficial effects obtained by the present invention are as follows are as follows:
Graphene nano silicon metal waterproofing agent of the invention is organic nano waterproof agent in conjunction with inorganic phase, has and seeps
The advantages such as saturating ability is strong, good waterproof performance, and water absorption rate is low.It is mainly used for the waterproof and anticorrosion processing of concrete structure, by directly applying
Brush concrete surface, organic active substance can form water-repellent layer penetrating into inside concrete, and the compound nothing of graphene nano
Machine active material can penetrate into inside concrete and form a large amount of insoluble nanocrystals, the hole of blocking concrete and small split
Seam.After concrete is dry, which will continue to reaction and forms crystal, have multiple repair ability, plays waterproof and protection is made
With.
Active inorganic substance silicon dioxide colloid and graphite in graphene nano silicon metal waterproofing agent in the present invention
Alkene can permeate and be diffused into inside concrete and calcium hydroxide reaction forms a large amount of insoluble crystalline graphite alkene gel of calcium silicate and blocks up
Concrete pore is filled in, the sulfate ion in concrete is reduced while blocking concrete pore, plays the role of waterproof and anticorrosion,
The compactness and water resistant of raising concrete seep property and anti-corrosive properties.
Specific embodiment
For convenient for it will be understood by those skilled in the art that the present invention, specific embodiment party of the invention is illustrated below with reference to embodiment
Formula.
Comparative example
A kind of nano silica waterproofing agent, is grouped as by each group of following weight percent: waterproofing agent 15%, nanometer two
Silica solution 25%, dispersing agent 0.5%, barium hydroxide 5%, excess water.
Waterproofing agent is colorless and transparent 20wt% methane-siliconic acid sodium solution in said components；Nanosilica solution is
The colorless aqueous anion amorphous silica colloidal solution of 40wt%；Dispersing agent is dispersing agent 5040；Barium hydroxide setting
For the barium hydroxide solution of 10wt%.
Above-mentioned nano silica waterproofing agent the preparation method comprises the following steps:
1) water, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1.5 hours；
2) mixture that step 1) is stirred pours into heating stirring 1.5 hours in reaction kettle, and heating temperature is 65 DEG C；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle,
Continue heating stirring 2.5 hours, heating temperature is 80 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproof is arrived
Agent.
Embodiment 1
A kind of graphene nano silicon metal waterproofing agent, is grouped as by each group of following weight percent: graphene 1%, is prevented
Aqua 15%, nanosilica solution 25%, dispersing agent 0.5%, barium hydroxide 5%, excess water.
Graphene is the 1-5 layer graphene oxide aqueous slurry of 5wt% in said components；Waterproofing agent is colorless and transparent
20wt% methane-siliconic acid sodium solution；Nanosilica solution is the colorless aqueous anion amorphous silica glue of 40wt%
Liquid solution；Dispersing agent is dispersing agent 5040；Barium hydroxide is set as the barium hydroxide solution of 10wt%.
Above-mentioned graphene nano silicon metal waterproofing agent the preparation method comprises the following steps:
1) water, graphene, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1.5 hours；
2) mixture that step 1) is stirred pours into heating stirring 1.5 hours in reaction kettle, and heating temperature is 65 DEG C；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle,
Continue heating stirring 2.5 hours, heating temperature is 80 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproof is arrived
Agent.
Embodiment 2
A kind of graphene nano silicon metal waterproofing agent, is grouped as by each group of following weight percent: graphene 3%, is prevented
Aqua 15%, nanosilica solution 25%, dispersing agent 0.5%, barium hydroxide 5%, excess water.
Graphene is the 1-5 layer graphene oxide aqueous slurry of 5wt% in said components；Waterproofing agent is colorless and transparent
20wt% methane-siliconic acid sodium solution；Nanosilica solution is the colorless aqueous anion amorphous silica glue of 40wt%
Liquid solution；Dispersing agent is dispersing agent 5040；Barium hydroxide is set as the barium hydroxide solution of 10wt%.
Above-mentioned graphene nano silicon metal waterproofing agent the preparation method comprises the following steps:
1) water, graphene, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1.5 hours；
2) mixture that step 1) is stirred pours into heating stirring 1.5 hours in reaction kettle, and heating temperature is 65 DEG C；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle,
Continue heating stirring 2.5 hours, heating temperature is 80 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproof is arrived
Agent.
Embodiment 3
A kind of graphene nano silicon metal waterproofing agent, is grouped as by each group of following weight percent: graphene 5%, is prevented
Aqua 15%, nanosilica solution 25%, dispersing agent 0.5%, barium hydroxide 5%, excess water.
Graphene is the 1-5 layer graphene oxide aqueous slurry of 5wt% in said components；Waterproofing agent is colorless and transparent
20wt% methane-siliconic acid sodium solution；Nanosilica solution is the colorless aqueous anion amorphous silica glue of 40wt%
Liquid solution；Dispersing agent is dispersing agent 5040；Barium hydroxide is set as the barium hydroxide solution of 10wt%.
Above-mentioned graphene nano silicon metal waterproofing agent the preparation method comprises the following steps:
1) water, graphene, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1.5 hours；
2) mixture that step 1) is stirred pours into heating stirring 1.5 hours in reaction kettle, and heating temperature is 65 DEG C；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle,
Continue heating stirring 2.5 hours, heating temperature is 80 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproof is arrived
Agent.
Comparative example and embodiment performance test
According to embodiment 1-3 and comparative example, the cement plate of 4 different content graphenes, specification 1000 are made respectively
X1000 millimeters x300 millimeters of millimeter, is put into after impregnating 48 hours in sink and measures impermeability.
The impervious detection of 1 embodiment 1-3 of table and comparative example
From table 1 it follows that the crystalline waterproof agent and the crystalline waterproof agent pair without adding graphene of addition graphene
Impermeability has a very big difference, nano-graphene crystalline material to the impervious effect of cement concrete clearly.Also, graphite
Impermeability effect is best when the additive amount of alkene is 3%.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should be included in claim protection model of the invention
Within enclosing.
Claims (8)
1. a kind of graphene nano silicon metal waterproofing agent, which is characterized in that each component including following weight percent: graphene
1%~5%, waterproofing agent 5%~30%, nanosilica solution 5%~40%, dispersing agent 0.2%~1%, barium hydroxide
5%~40%, water 20%~80%.
2. a kind of graphene nano silicon metal waterproofing agent according to claim 1, it is characterised in that: the graphene is
The 1-5 layer graphene oxide aqueous slurry of 5wt%.
3. a kind of graphene nano silicon metal waterproofing agent according to claim 1, it is characterised in that: the waterproofing agent is nothing
Transparent 20wt%~30wt% methane-siliconic acid the sodium solution of color.
4. a kind of graphene nano silicon metal waterproofing agent according to claim 1, it is characterised in that: the nanometer titanium dioxide
Silicon solution is the colorless aqueous anion amorphous silica colloidal solution of 40wt%~50wt%.
5. a kind of graphene nano silicon metal waterproofing agent according to claim 1, it is characterised in that: the dispersing agent setting
For anion surface active dispersing agent.
6. a kind of graphene nano silicon metal waterproofing agent according to claim 5, it is characterised in that: the dispersing agent is point
Powder 5040.
7. a kind of graphene nano silicon metal waterproofing agent according to claim 1, it is characterised in that: the barium hydroxide is set
It is set to the barium hydroxide solution of 5wt%~15wt%.
8. a kind of preparation method of -7 any graphene nano silicon metal waterproofing agents, feature exist according to claim 1
In, comprising the following steps:
1) water, graphene, waterproofing agent are poured into ultrasonic wave agitator by weight percentage and is stirred 1~2 hour；
2) mixture that step 1) is stirred pours into heating stirring 1~2 hour in reaction kettle, and heating temperature is 60 DEG C~70
℃；
3) after step 2) has stirred, successively nanosilica solution, dispersing agent, barium hydroxide are poured into reaction kettle, continued
Heating stirring 2~3 hours, heating temperature was 80 DEG C~90 DEG C；
4) after step 3) has stirred, after being cooled to room temperature, impurity is filtered to remove to get graphene nano silicon metal waterproofing agent is arrived.
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| CN201811276530.3A CN109053224A (en) | 2018-10-30 | 2018-10-30 | A kind of graphene nano silicon metal waterproofing agent and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110128071A (en) * | 2019-06-19 | 2019-08-16 | 青岛晟华新材料有限公司 | A kind of bi-component waterproof mortar and preparation method thereof |
| CN111875320A (en) * | 2020-08-19 | 2020-11-03 | 济南大学 | A kind of superhydrophobic microcapsule polymer cement-based anti-corrosion coating and preparation method and application thereof |
| CN112500117A (en) * | 2020-11-19 | 2021-03-16 | 江苏博拓新型建筑材料股份有限公司 | High-adhesion inorganic waterproof material and preparation method and application thereof |
| CN112608106A (en) * | 2020-12-30 | 2021-04-06 | 重庆中防德邦防水技术有限公司 | Cement-based permeable crystallization type waterproof material based on graphene oxide modification and preparation method thereof |
| CN113388275A (en) * | 2021-07-19 | 2021-09-14 | 浙大宁波理工学院 | Modified lithium-based concrete sealing curing agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110128071A (en) * | 2019-06-19 | 2019-08-16 | 青岛晟华新材料有限公司 | A kind of bi-component waterproof mortar and preparation method thereof |
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| CN113388275A (en) * | 2021-07-19 | 2021-09-14 | 浙大宁波理工学院 | Modified lithium-based concrete sealing curing agent and preparation method thereof |
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Address after: 266000 No. 111, Qibaoshan Road, Baoshan Town, Huangdao District, Qingdao City, Shandong Province Applicant after: Qingdao Shenghua New Materials Co., Ltd. Address before: 266000 No. 111, Qibaoshan Road, Baoshan Town, Huangdao District, Qingdao City, Shandong Province Applicant before: Qingdao Mingxiang New Materials Technology Co., Ltd. |
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Application publication date: 20181221 |