CN109180109A - A kind of high resistance to erosion waterproof inorganic coating and preparation method thereof - Google Patents
A kind of high resistance to erosion waterproof inorganic coating and preparation method thereof Download PDFInfo
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- CN109180109A CN109180109A CN201811277717.5A CN201811277717A CN109180109A CN 109180109 A CN109180109 A CN 109180109A CN 201811277717 A CN201811277717 A CN 201811277717A CN 109180109 A CN109180109 A CN 109180109A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high resistance to erosion waterproof inorganic coatings and preparation method thereof, belong to cement base technical field of coatings.The high resistance to erosion waterproof inorganic coating main component is as follows: 120 ~ 260 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand, intensity is not less than 150 ~ 280 parts of cement of 32.5MPa, 110 ~ 260 parts of the admixture that 5 ~ 30 μm of average grain diameter, 5 ~ 10 parts of high performance additive, water-cement ratio 0.2 ~ 0.4,5 ~ 20 parts of redispersible latex powder, 2 ~ 5 parts of defoaming agent, 2 ~ 4 parts of dispersing agent, 10 ~ 20 parts of hydrophober.The high resistance to erosion waterproof inorganic coating of technical solution of the present invention preparation has the characteristics that production is simple, flushing resistance is good, water resistance is good, filming performance is good, adhesive force is strong, significantly improve the flushing resistance of water conservancy, ocean engineering concrete structure, the service life for improving concrete structure, is suitble to the development and application of environmentally protective high resistance to erosion waterproof inorganic coating.
Description
Technical field
This patent is related to hydraulic and hydroelectric engineering high resistance to erosion waterproof technique field, more particularly, to a kind of high resistance to erosion
Waterproof inorganic coating and preparation method thereof.
Background technique
Hydraulic and hydroelectric engineering administer flood, alleviate the energy, in terms of play a crucial role.It is full
The needs of sufficient social development, all in the construction for further speeding up hydraulic and hydroelectric engineering in global range.Since these buildings are long-term
In high-velocity flow, the prolonged and repeated sourings such as high-velocity flow folder mud, burning into sand, horsestone are often subject to, concrete is caused
Abrasion aggravation and cavitation phenomenon, substantially reduce the service life of building.
Abrasion and cavitation corrosion are that two kinds of bad main failure modes are worn in concrete punching, and abrasion is mainly due to the water flow of high speed
In be entrained with sand particles to concrete surface generate collide, abrasion, cutting etc. destructions.Suspension move media master therein
If causing cutting destruction to concrete, and elapse medium and then mainly cause to collide destruction, with concrete surface
The increase of adhesion in wear degree, flow-passing surface form rough abrasion hole, cause high-velocity flow to be disturbed, and then aggravate punching
Gall bad process.Cavitation erosion then mainly occurs in flow rate of water flow change dramatically region, in the very big region hydraulic pressure of flow velocity
With regard to very low, can thus occur cavitation phenomenon, form the hole stream with vacuole, due to concrete surface attachment flow velocity compared with
Small, hydraulic pressure is larger, will crumble and fall when vacuole is flow at concrete surface attachment, generates huge impact pressure in moment,
Huge impact force is generated to concrete surface, concrete is made to occur local failure, and along with poroid peeling phenomenon, here it is
The mechanism of cavitation erosion.There are mainly two types of for form of expression when abrasion resistance concrete destroys: surface aggregate exposure shape gathers materials
Peel off shape.Therefore the technology for developing high resistance to erosion Hydraulic materials is extremely urgent.
The patent that Chinese Patent Application No. is 201510078137.3 discloses a kind of modified form Venice plaster, can replace
Traditional coating and ceramic tile, applied to the inner wall decoration of building, but it has the following deficiencies: (1) sulphur aluminium is added in its ingredient
Acid salt cement, setting time is too short, is not easy to construct；(2) " after mixing evenly by above-mentioned raw materials, using mass ratio as raw material: water=
2:1 is watered mixing ", water-cement ratio is big, and intensity is low, durability is poor, is easy to fall off；(3) sand-binder ratio is small, higher cost；(4) its ingredient
Middle addition thickener, mobility is poor, can not achieve spraying or with roller brushing；(5) application method is cumbersome, needs to brush interface
Agent and cover agent cannot directly be brushed in concrete surface.
For the above status, a kind of high resistance to erosion waterproof inorganic coating can be developed, high resistance to erosion water-repellent paint is coated
On abrasion resistance concrete surface, the resistance to punching mill performance of waterwork is further increased, the service life of waterwork is improved, reduces
The overall cost of waterwork.
Summary of the invention
It is an object of the invention to solve the problems, such as that waterwork flushing resistance is poor, provide a kind of flushing resistance it is good,
The high resistance to erosion waterproof inorganic coating and its preparation side that adhesive force is high, water resistance is good, cost of manufacture is cheap, endurance quality is good
Method.
In order to solve above-mentioned technical problem, this patent is adopted the following technical solutions:
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
120 ~ 260 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 150 ~ 280 parts of cement of 32.5MPa；
110 ~ 260 parts of the admixture that 5 ~ 30 μm of average grain diameter；
5 ~ 10 parts of high performance additive；
Water-cement ratio 0.2 ~ 0.4；
5 ~ 20 parts of redispersible latex powder；
2 ~ 5 parts of defoaming agent；
2 ~ 4 parts of dispersing agent；
10 ~ 20 parts of hydrophober.
Diamond dust has the hardness of superelevation, adds the diamond dust of said ratio, increases high resistance to erosion waterproof inorganic coating
Flushing resistance.Admixture has filing effect, volcano ash effect in high resistance to erosion waterproof inorganic coating, adds said ratio
Admixture, improve resistance to erosion waterproof inorganic coating compactness, improve resistance to erosion waterproof inorganic coating flushing resistance and
Endurance quality.The redispersible latex powder for adding said ratio, enhances high resistance to erosion waterproof inorganic coating and cement-based material
Adhesion strength, improve resistance to erosion waterproof inorganic coating flexibility and changeability.The hydrophober of said ratio is added, is improved resistance to
Wash away the waterproofness of waterproof inorganic coating.On the one hand the ultra-fine adamantine sand plays skeletal support, another party in the present invention
Play antiscour in face.The redispersible latex serves in the present invention improves adhesive force.The defoaming agent is in this hair
Serve in bright and eliminate air pocket, it is closely knit with coating surface flatness to improve coating.The high resistance to erosion waterproof inorganic material is resistance to
Scouring intensity is greater than 80h/ (kg/m2), adhesive force is strong, water resistance is good, durability is good.
Preferably, the high resistance to erosion waterproof inorganic coating includes the raw material of following parts by weight:
150 ~ 230 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 180 ~ 250 parts of cement of 32.5MPa；
150 ~ 220 parts of the admixture that 5 ~ 30 μm of average grain diameter；
6 ~ 9 parts of high performance additive；
Water-cement ratio 0.25 ~ 0.35；
9 ~ 16 parts of redispersible latex powder；
3 ~ 4 parts of defoaming agent；
2.5 ~ 3.5 parts of dispersing agent；
12.5 ~ 17.5 parts of hydrophober.
It is highly preferred that the high resistance to erosion waterproof inorganic coating includes the raw material of following parts by weight:
190 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 215 parts of cement of 32.5MPa；
185 parts of the admixture that 5 ~ 30 μm of average grain diameter；
7.5 parts of high performance additive；
Water-cement ratio 0.3；
12.5 parts of redispersible latex powder；
3.5 parts of defoaming agent；
3 parts of dispersing agent；
15 parts of hydrophober.
The admixture is one of silicon ash, miberal powder, flyash, ceramic polished powder, steel-making slag powder or a variety of compositions.It is described
Admixture includes following weight percent raw material: silicon ash 0 ~ 80%, miberal powder 0 ~ 50%, flyash 0 ~ 80%, ceramic polished powder 0 ~
100%, steel-making slag powder 0 ~ 50%.
The high performance additive is polycarboxylate water-reducer, so that gelling material particles is uniformly dispersed in the present invention, is improved
Workability reduces water consumption, to improve the consistency and hardness of high resistance to erosion waterproof inorganic coating.
The hydrophober is polysiloxanes or organosilicon, plays waterproof action in the present invention, and it is inorganic to improve resistance to erosion waterproof
The waterproof performance of coating.
The dispersing agent is one or more combinations of sodium tripolyphosphate, lauryl sodium sulfate, is improved in the present invention
The dispersing uniformity of material, the uniformity for preventing any materials component from sinking to the bottom, improving resistance to erosion waterproof inorganic material performance.
The present invention also provides the preparation methods of above-mentioned high resistance to erosion waterproof inorganic coating, are made according to the following steps:
It is equal to be added to the water stirring according to each raw material usage of mix calculation of high resistance to erosion waterproof inorganic coating by S1 for defoaming agent
It is even, obtain defoaming agent aqueous solution；
S2 stirs the defoaming agent aqueous solution of whole aggregates and 40% weight 1 ~ 2 minute in advance；
Whole cement, admixture, latex powder, dispersing agent, hydrophober are added in the aggregate prewetted obtained by S2 step by S3, stirring
1 ~ 2 minute, whole additives and remaining 60% defoaming agent aqueous solution is then added, is sufficiently stirred 2 ~ 3 minutes, obtains Gao Naichong
Brush waterproof inorganic coating；
S4 handle normal concrete surface, it is ensured that normal concrete surface without greasy dirt and other loose materials, and with clear water soak it is general
Logical concrete is extremely saturated, and surface is without bright water；
S5 by high resistance to erosion waterproof inorganic coating painting roller or brush made from S3 be coated to that S4 step process crosses it is common mixed
It is carried out after upper one layer of dryings such as solidifying soil surface, is brushed 2 ~ 3 times, and every layer of brushing needs, every layer of brushing direction is vertical with upper one layer, applies
Layer overall thickness is 0.2 ~ 1.5mm.
Compared with prior art, technical solution of the present invention has the advantages that
(1) a kind of high resistance to erosion waterproof inorganic coating related to the technical solution of the present invention is remarkably improved the resistance to erosion of waterwork
Performance improves the service life of waterwork, reduces the overall cost of waterwork.
(2) there is a kind of high resistance to erosion waterproof inorganic coating related to the technical solution of the present invention resistance to erosion intensity to be greater than 80h/
(kg/m2), the features such as adhesive force is strong, water resistance is good, durability is good.
Specific embodiment
This patent is described in further details combined with specific embodiments below.
Embodiment 1
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
120 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 150 parts of cement of 32.5MPa；
110 parts of the admixture that 5 ~ 30 μm of average grain diameter；
5 parts of high performance additive；
Water-cement ratio 0.2；
5 parts of redispersible latex powder；
2 parts of defoaming agent；
2 parts of dispersing agent；
10 parts of hydrophober.
The preparation method of above-mentioned high resistance to erosion waterproof inorganic coating the following steps are included:
It is equal to be added to the water stirring according to each raw material usage of mix calculation of high resistance to erosion waterproof inorganic coating by S1 for defoaming agent
It is even, obtain defoaming agent aqueous solution；
S2 stirs the defoaming agent aqueous solution of whole aggregates and 40% weight 1 ~ 2 minute in advance；
Whole cement, admixture, latex powder, dispersing agent, hydrophober are added in the aggregate prewetted obtained by S2 step by S3, stirring
1 ~ 2 minute, whole additives and remaining 60% defoaming agent aqueous solution is then added, is sufficiently stirred 2 ~ 3 minutes, obtains Gao Naichong
Brush waterproof inorganic coating.
S4 handles normal concrete surface, it is ensured that is moistened without greasy dirt and other loose materials with clear water on normal concrete surface
Wet normal concrete is extremely saturated, and surface is without bright water；
S5 by high resistance to erosion waterproof inorganic coating painting roller or brush made from S3 be coated to that S4 step process crosses it is common mixed
Solidifying soil surface is brushed 3 times, is carried out after upper one layer of drying such as every layer of brushings need, every layer of brushing direction and upper one layer of vertical, coating
Overall thickness is 0.2 ~ 1.5mm.
Embodiment 2
In addition to the formula of high resistance to erosion waterproof inorganic coating is different, other conditions are the same as embodiment 1.
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
260 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 280 parts of cement of 32.5MPa；
260 parts of the admixture that 5 ~ 30 μm of average grain diameter；
10 parts of high performance additive；
Water-cement ratio 0.4；
20 parts of redispersible latex powder；
5 parts of defoaming agent；
4 parts of dispersing agent；
20 parts of hydrophober.
Embodiment 3
In addition to the formula of high resistance to erosion waterproof inorganic coating is different, other conditions are the same as embodiment 1.
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
150 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 180 parts of cement of 32.5MPa；
150 parts of the admixture that 5 ~ 30 μm of average grain diameter；
6 parts of high performance additive；
Water-cement ratio 0.25；
9 parts of redispersible latex powder；
3 parts of defoaming agent；
2.5 parts of dispersing agent；
12.5 parts of hydrophober.
Embodiment 4
In addition to the formula of high resistance to erosion waterproof inorganic coating is different, other conditions are the same as embodiment 1.
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
230 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 250 parts of cement of 32.5MPa；
220 parts of the admixture that 5 ~ 30 μm of average grain diameter；
9 parts of high performance additive；
Water-cement ratio 0.35；
16 parts of redispersible latex powder；
4 parts of defoaming agent；
3.5 parts of dispersing agent；
17.5 parts of hydrophober.
Embodiment 5
In addition to the formula of high resistance to erosion waterproof inorganic coating is different, other conditions are the same as embodiment 1.
A kind of high resistance to erosion waterproof inorganic coating, the raw material including following parts by weight:
190 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 215 parts of cement of 32.5MPa；
185 parts of the admixture that 5 ~ 30 μm of average grain diameter；
7.5 parts of high performance additive；
Water-cement ratio 0.3；
12.5 parts of redispersible latex powder；
3.5 parts of defoaming agent；
3 parts of dispersing agent；
15 parts of hydrophober.
Comparative example 1
Especially in addition to ultra-fine adamantine sand 60, other conditions are the same as embodiment 1.
Comparative example 2
Especially in addition to redispersible latex powder 3, other conditions are the same as embodiment 1.
Comparative example 3
Especially in addition to hydrophober 5, other conditions are the same as embodiment 1.
Comparative example 4
Especially in addition to admixture 300, other conditions are the same as embodiment 1.
Comparative example 5
Other than water-cement ratio 0.6, other conditions are the same as embodiment 1.
Comparative example 6
The normal concrete of uncoated high resistance to erosion waterproof inorganic coating.
Cleaning is coated to high resistance to erosion waterproof inorganic coating described in case study on implementation 1 ~ 5, comparison case 1 ~ 6 and was soaked
Normal concrete surface prepare standard specimen standard curing 28 days, to being coated with the common mixed of high resistance to erosion waterproof inorganic coating
Solidifying soil test specimen carries out anti-abrasion strength (underwater steel ball method), adhesive property, water resistance, endurance quality test, and experimental data is shown in
Table 1:
The high resistance to erosion waterproof inorganic coating detection data of table 1
| Project | Anti-abrasion strength (h/ (kg/m2)) | Adhesive property | Water resistance | Endurance quality |
| Case study on implementation 1 | 81.8 | Well | Well | Well |
| Case study on implementation 2 | 86.9 | Well | Well | Well |
| Case study on implementation 3 | 84.3 | Well | Well | Well |
| Case study on implementation 4 | 88.2 | Well | Well | Well |
| Case study on implementation 5 | 90.5 | Well | Well | Well |
| Compare case 1 | 10.2 | Preferably | It is poor | It is poor |
| Compare case 2 | 3.9 | Difference | It is poor | It is poor |
| Compare case 3 | 77.1 | Preferably | It is poor | Preferably |
| Compare case 4 | 76.3 | Preferably | Preferably | Preferably |
| Compare case 5 | 12.1 | It is poor | It is poor | It is poor |
| Compare case 6 | 5.6 | —— | Difference | Difference |
From the point of view of table 1,60 parts of 1 ultra-fine adamantine sand of comparative example compares, anti-abrasion strength, water resistance and durability with embodiment 1
Can decline it is more, adhesive property decline it is less；3 parts of 2 redispersible latex of comparative example, compares with embodiment 1, and resistant abrasion is strong
Degree, adhesive property, water resistance and endurance quality decline more；5 parts of 3 hydrophober of comparative example is compared with embodiment 1, water-fast
Performance decline is more, and anti-abrasion strength, adhesive property and endurance quality decline less；300 parts of 4 admixture of comparative example, with reality
The comparison of example 1 is applied, anti-abrasion strength, adhesive property, water resistance and endurance quality decline less；5 water-cement ratio 0.6 of comparative example,
It is compared with embodiment 1, anti-abrasion strength, adhesive property, water resistance and endurance quality decline more；Comparative example 6 is uncoated
The normal concrete of high resistance to erosion waterproof inorganic coating compares, anti-abrasion strength, water resistance and endurance quality with embodiment 1
Decline more.By a large number of experiments, ultra-fine adamantine sand, redispersible latex powder selected by the present invention, are mixed hydrophober
Close material, water-cement ratio is optimal；The resistant abrasion that high resistance to erosion waterproof inorganic coating of the invention can significantly improve normal concrete is strong
Degree, water resistance and endurance quality.
Obviously, above-described embodiment of this patent is only intended to clearly illustrate this patent example, and is not pair
The restriction of the embodiment of this patent.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in patent claims within the spirit and principle of patent
Protection scope within.
Claims (9)
1. a kind of high resistance to erosion waterproof inorganic coating, which is characterized in that the raw material including following parts by weight:
120 ~ 260 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 150 ~ 280 parts of cement of 32.5MPa；
110 ~ 260 parts of the admixture that 5 ~ 30 μm of average grain diameter；
5 ~ 10 parts of high performance additive；
Water-cement ratio 0.2 ~ 0.4；
5 ~ 20 parts of redispersible latex powder；
2 ~ 5 parts of defoaming agent；
2 ~ 4 parts of dispersing agent；
10 ~ 20 parts of hydrophober.
2. high resistance to erosion waterproof inorganic coating according to claim 1, which is characterized in that the original including following parts by weight
Material:
150 ~ 230 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 180 ~ 250 parts of cement of 32.5MPa；
150 ~ 220 parts of the admixture that 5 ~ 30 μm of average grain diameter；
6 ~ 9 parts of high performance additive；
Water-cement ratio 0.25 ~ 0.35；
9 ~ 16 parts of redispersible latex powder；
3 ~ 4 parts of defoaming agent；
2.5 ~ 3.5 parts of dispersing agent；
12.5 ~ 17.5 parts of hydrophober.
3. high resistance to erosion waterproof inorganic coating according to claim 1, which is characterized in that the original including following parts by weight
Material:
190 parts of 68 ~ 125 μm of average grain diameter of ultra-fine adamantine sand；
Intensity is not less than 215 parts of cement of 32.5MPa；
185 parts of the admixture that 5 ~ 30 μm of average grain diameter；
7.5 parts of high performance additive；
Water-cement ratio 0.3；
12.5 parts of redispersible latex powder；
3.5 parts of defoaming agent；
3 parts of dispersing agent；
15 parts of hydrophober.
4. described in any item a kind of high resistance to erosion waterproof inorganic coatings according to claim 1 ~ 3, it is characterised in that the blending
Material is one of silicon ash, miberal powder, flyash, ceramic polished powder, steel-making slag powder or a variety of.
5. a kind of high resistance to erosion waterproof inorganic coating according to claim 4, it is characterised in that the admixture includes such as
The raw material of lower weight percent: silicon ash 0 ~ 80%, miberal powder 0 ~ 50%, flyash 0 ~ 80%, ceramic polished powder 0 ~ 100%, steel-making slag powder 0 ~
50%。
6. described in any item a kind of high resistance to erosion waterproof inorganic coatings according to claim 1 ~ 3, it is characterised in that the high property
Energy additive is polycarboxylate water-reducer.
7. described in any item a kind of high resistance to erosion waterproof inorganic coatings according to claim 1 ~ 3, it is characterised in that the hydrophobic
Agent is polysiloxanes or organosilicon.
8. described in any item a kind of high resistance to erosion waterproof inorganic coatings according to claim 1 ~ 3, it is characterised in that the dispersion
Agent be sodium tripolyphosphate, lauryl sodium sulfate it is one or more.
9. a kind of method for preparing the high resistance to erosion waterproof inorganic coating as described in claim 1 ~ 8, which is characterized in that including following
Step:
It is equal to be added to the water stirring according to each raw material usage of mix calculation of high resistance to erosion waterproof inorganic coating by S1 for defoaming agent
It is even, obtain defoaming agent aqueous solution；
S2 stirs the defoaming agent aqueous solution of whole aggregates and 40% weight 1 ~ 2 minute in advance；
Whole cement, admixture, latex powder, dispersing agent, hydrophober are added in the aggregate prewetted obtained by S2 step by S3, stirring
1 ~ 2 minute, whole additives and remaining 60% defoaming agent aqueous solution is then added, is sufficiently stirred 2 ~ 3 minutes, obtains Gao Naichong
Brush waterproof inorganic coating；
S4 handle normal concrete surface, it is ensured that normal concrete surface without greasy dirt and other loose materials, and with clear water soak it is general
Logical concrete is extremely saturated, and surface is without bright water；
S5 by high resistance to erosion waterproof inorganic coating painting roller or brush made from S3 be coated to that S4 step process crosses it is common mixed
It is carried out after upper one layer of dryings such as solidifying soil surface, is brushed 2 ~ 3 times, and every layer of brushing needs, every layer of brushing direction is vertical with upper one layer, applies
Layer overall thickness is 0.2 ~ 1.5mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114044654A (en) * | 2021-12-28 | 2022-02-15 | 山东众森新材料有限公司 | Preparation method of inorganic self-repairing anti-permeability material applied to back water surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044654A (en) * | 2021-12-28 | 2022-02-15 | 山东众森新材料有限公司 | Preparation method of inorganic self-repairing anti-permeability material applied to back water surface |
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Application publication date: 20190111 |