CN107915497A - Water-based concrete carbonization preventing paint - Google Patents
Water-based concrete carbonization preventing paint Download PDFInfo
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- CN107915497A CN107915497A CN201711163600.XA CN201711163600A CN107915497A CN 107915497 A CN107915497 A CN 107915497A CN 201711163600 A CN201711163600 A CN 201711163600A CN 107915497 A CN107915497 A CN 107915497A
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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
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
-
- 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
-
- 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
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
-
- 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
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- 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
- C04B2111/22—Carbonation resistance
-
- 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
- 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
- C04B2111/29—Frost-thaw resistance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to technical field of concrete, solve the problems, such as that concrete has carbonization, it is specifically water-based concrete carbonization preventing paint, it is made of priming paint, intermediate layer paint, finishing coat three parts, in percentage by weight, wherein priming paint raw material is deionized water, levelling agent, defoamer, film forming agent, extraordinary bleeding agent, thickener；Intermediate layer paint is bi-component：A group raw materials：Deionized water, lotion, anti-carbonizing assistant, mould inhibitor, B group raw materials：Special cement, quartz sand, reinforcing agent, wherein A and B component are with 1：4 ratio is uniformly mixed；Finishing coat raw material is acrylic emulsion, deionized water, mould inhibitor, anticorrosive pigment/filler, coalescents, special addition agent, defoamer, thickener, levelling agent；The effective generation for preventing concrete carbonization to react of the invention.While preventing concrete to be carbonized, also substantially increase the anti-permeability performance of concrete, reduce the infiltration rate of corrosive ion in the water such as chlorion, and improve the freeze-thaw stability of concrete.
Description
Technical field
The present invention relates to technical field of concrete, more particularly to a kind of water-based concrete carbonization preventing paint.
Background technology
With the rapid development of economy, either building construction, bridge construction etc. all largely use concrete structure.With
The time that these engineering structures use increases, and the durability of concrete material and structure receives significant attention all the more.Concrete carbon
Change is one of important index of concrete, is a kind of chemical attack suffered by concrete.CO2 impervious is to concrete in air
Interior, with generating carbonate and water after its alkaline matter chemically reactive, the process that making concrete basicity reduces is known as concrete carbon
Change, also referred to as neutralisation.Make the basicity of concrete reduce after carbonization, when protective layer of the carbonization more than concrete, in water and sky
Under the conditions of gas is existing, concrete will be made to lose the protective effect to reinforcing bar, reinforcing bar starts to get rusty.Meanwhile the increase that is carbonized is mixed
Hydrogen ion quantity in solidifying soil hole solution, thus can weaken protective effect of the concrete to reinforcing bar.Therefore how to efficiently control
Concrete carbonization becomes the key issue of whole mixed mud industry development.
The content of the invention
For problem present in background technology, applied chemistry penetration theory of the present invention, makes active SiO2And chemi-excitation
Agent penetrates into inside concrete, active SiO2With the aquation accessory substance Ca (OH) in concrete2Reaction generation CSH gels, while profit
Promote the aquation of clinker ore deposit phase in cement, and such as fly-ash slag of the admixture in excited cement or concrete with chemical activator
Activity, accelerate pozzolanic reaction, generate low Ca/Si than, stablize CHS gels, be filled in the capillary porosity of concrete, hinder
Capillary channel is filled in, and reduces the Ca (OH) for being unfavorable for intensity and durability2Content so that the intensity of concrete, impermeability and
Durability is greatly improved.Closely knit concrete surface prevents carbon dioxide in external environment condition, oxygen gas and water at the same time
The erosion of part, corrosive ion and sour gas, so as to play the anti-carbonization of concrete.
The present invention provides a kind of water-based concrete carbonization preventing paint, and carbonization preventing paint is by priming paint, intermediate layer paint, finishing coat three parts
Composition, in percentage by weight, the priming paint is made of following raw material：
The intermediate layer paint is bi-component, is made of following raw material：
A groups：
B groups：
Special cement 40-60%
Quartz sand 40-60%
Nanometer scale silicate reinforcing agent 0.15-0.4%
The finishing coat is made of following raw material：
The ratio of component A and B component is 1 in wherein described intermediate layer paint:4.
As a kind of currently preferred technical solution, above-mentioned levelling agent is the polyether-polyurethane association type of 25% solid content
Rheology helps.
As a kind of currently preferred technical solution, above-mentioned defoamer is poly- propyl alcohol, one kind in tributyl phosphate or
It is several.
As a kind of currently preferred technical solution, above-mentioned special type bleeding agent is one kind of type siloxane；Above-mentioned film forming
Agent is lauryl alcohol fat.
As a kind of currently preferred technical solution, above-mentioned thickener be one kind in association type polyurethane thickener or
It is several.
As a kind of currently preferred technical solution, above-mentioned emulsion solid content is more than 60%.
As a kind of currently preferred technical solution, above-mentioned mould inhibitor is nitrite.
As a kind of currently preferred technical solution, above-mentioned reinforcing agent is microfine cellulose.
As a kind of currently preferred technical solution, above-mentioned anticorrosive pigment/filler is talcum powder, dicalcium powder, kaolin, heavy
One or more in the barium sulfate of shallow lake.
As a kind of currently preferred technical solution, above-mentioned special addition agent is UV absorbers, in antioxidant
It is one or more of.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention uses nanometer scale silicate material and organosilicon
Main material of the oxygen alkane condensation product as concrete carbonization preventing, nanometer scale silicate material can be penetrated into effectively in concrete
Portion, the hydration by-product calcium hydroxide reaction with cement, generates CSH silicate cement gels, is filled into the capillary of inside concrete
In hole and micro-crack, closely knit concrete structure, makes the gas of outside be difficult to enter inside concrete, while organic silica
Alkane material can also penetrate into concrete, form water-repellent layer, the intrusion of outside moisture is prevented, so as to effectively prevent coagulation
The generation of native carburizing reagent.While preventing concrete to be carbonized, also substantially increase the anti-permeability performance of concrete, reduce
The infiltration rate of corrosive ion in the water such as chlorion, and improve the freeze-thaw stability of concrete.Supporting priming paint at the same time, effectively
Ground prevents the intrusion of substrate surface moisture.Supporting finishing coat, can not only play beauty function more makes concrete structure more closely knit,
Anti- carbonization effect is more preferable.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1：
The present embodiment provides the preparation process of a kind of water-based concrete carbonization preventing paint priming paint, intermediate layer paint and finishing coat.
Priming paint helps 2kg, defoamer using deionized water 450kg, the polyether-polyurethane association type rheology of 25% solid content
3kg, lauryl alcohol fat 30kg, are uniformly mixed in the case where rotating speed is 600-800rpm, after to be slowly added to extraordinary bleeding agent 500kg mixing equal
It is even, thickener 2kg is added after about 30min, is continued after at the uniform velocity stirring 30min, it is 7-8, viscosity 82KU to measure its pH value.
Intermediate layer paint is two-component, and component A is using deionized water 100kg, lotion 150kg, anti-carbonizing assistant 15kg, mould inhibitor
0.5kg is stirred evenly.B component is equal using special cement 500kg, quartz sand 500kg, nanometer scale silicate reinforcing agent 2kg mixing
It is even.Wherein A：B=1：4.
Finishing coat uses acrylic emulsion 700kg, is at the uniform velocity stirred under rotating speed 600-800rpm, addition deionized water 50kg,
Mould inhibitor 2kg, kaolin 200kg are uniformly mixed, and into sand milling, fineness is controlled in 20-30um.Add coalescents 35kg, purple
Outer light absorber 15kg, defoamer 1kg are stirring evenly and then adding into thickener 1.2kg, survey its viscosity in 80KU, add levelling agent afterwards
2kg.Survey pH value is 7-8.
Embodiment 2：
The present embodiment and the content for differing only in each component of embodiment 1 are different, specifically, priming paint uses deionization
Water 200kg, the polyether-polyurethane association type rheology of 25% solid content help 1kg, defoamer 1.5kg, lauryl alcohol fat 13kg, thickener
1kg。
Intermediate layer paint is two-component, and component A is using water 65kg, lotion 65kg, anti-carbonizing assistant 7.5kg, mould inhibitor 0.08kg.
B component is uniformly mixed using special cement 250kg, quartz sand 25kg, nanometer scale silicate reinforcing agent 1kg.
Finishing coat uses acrylic emulsion 350kg, deionized water 25kg, mould inhibitor 1.1kg, dicalcium powder 105kg, coalescents
18kg, antioxidant 7kg, defoamer 0.5kg, thickener 0.6kg.
Based on above-mentioned, present invention has the advantage that：The present invention uses nanometer scale silicate material and organosiloxane
Main material of the condensation product as concrete carbonization preventing, nanometer scale silicate material can effectively penetrate into inside concrete,
With the hydration by-product calcium hydroxide reaction of cement, CSH silicate cement gels are generated, are filled into the capillary porosity of inside concrete
In micro-crack, closely knit concrete structure, makes the gas of outside be difficult to enter inside concrete, while organosiloxane material
Material can also penetrate into concrete, form water-repellent layer, the intrusion of outside moisture is prevented, so as to effectively prevent concrete carbon
Change the generation of reaction.While preventing concrete to be carbonized, also substantially increase the anti-permeability performance of concrete, reduce chlorine
The infiltration rate of corrosive ion in the water such as ion, and improve the freeze-thaw stability of concrete.Supporting priming paint at the same time, effective ground resistance
The intrusion of substrate surface moisture is stopped.Supporting finishing coat, can not only play beauty function more makes concrete structure more closely knit, anti-carbon
It is more preferable to change effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
1. water-based concrete carbonization preventing paint, it is characterised in that：The carbonization preventing paint is by priming paint, intermediate layer paint, finishing coat three parts
Composition, in percentage by weight, the priming paint is made of following raw material：
The intermediate layer paint is bi-component, is made of following raw material：
A groups：
B groups：
Special cement 40-60%
Quartz sand 40-60%
Nanometer scale silicate reinforcing agent 0.15-0.4%
The finishing coat is made of following raw material：
The ratio of component A and B component is 1 in wherein described intermediate layer paint:4.
2. water-based concrete carbonization preventing paint according to claim 1, it is characterised in that：The defoamer for poly- propyl alcohol,
One or more in tributyl phosphate.
3. water-based concrete carbonization preventing paint according to claim 1, it is characterised in that：The special type bleeding agent is silica
One kind of alkanes.
4. water-based concrete carbonization preventing paint according to claim 1, it is characterised in that：The thickener gathers for association type
One or more in urethane thickener.
5. water-based concrete carbonization preventing paint according to claim 1, it is characterised in that：The anticorrosive pigment/filler is talcum
One or more in powder, dicalcium powder, kaolin, blanc fixe.
6. water-based concrete carbonization preventing paint according to claim 1, it is characterised in that：The special addition agent is ultraviolet light
One or more in absorbent, antioxidant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163600.XA CN107915497A (en) | 2017-11-21 | 2017-11-21 | Water-based concrete carbonization preventing paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711163600.XA CN107915497A (en) | 2017-11-21 | 2017-11-21 | Water-based concrete carbonization preventing paint |
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| CN107915497A true CN107915497A (en) | 2018-04-17 |
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| CN201711163600.XA Pending CN107915497A (en) | 2017-11-21 | 2017-11-21 | Water-based concrete carbonization preventing paint |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484082A (en) * | 2018-08-29 | 2019-11-22 | 含山县金中环装饰材料有限公司 | A kind of concrete protection osmosis type anticorrosive paint |
| CN110984613A (en) * | 2019-12-09 | 2020-04-10 | 湖北江能水利水电建设有限公司 | Method for rapidly treating large-area severely-carbonized concrete surface |
| CN111234670A (en) * | 2020-03-05 | 2020-06-05 | 东莞市卓祥建筑工程有限公司 | Water-based transparent concrete waterproof mildew-proof carbonization-proof coating and preparation method thereof |
| CN112374854A (en) * | 2020-11-12 | 2021-02-19 | 上海涂固安高科技有限公司 | Anti-carbonization coating with super-strong adaptability and preparation method thereof |
| CN113896504A (en) * | 2021-10-29 | 2022-01-07 | 重庆交通大学 | Phosphorus-magnesium cementing material/polymer composite coating and construction method thereof |
| CN115073948A (en) * | 2022-07-04 | 2022-09-20 | 中德新亚建筑材料有限公司 | Concrete surface anti-carbonization coating and preparation process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786280A (en) * | 2011-05-16 | 2012-11-21 | 秦明 | Novel concrete carbonization prevention coating material |
| CN106904891A (en) * | 2017-03-21 | 2017-06-30 | 新疆科能防水防护技术股份有限公司 | Carbonization preventing paint and preparation method thereof |
-
2017
- 2017-11-21 CN CN201711163600.XA patent/CN107915497A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786280A (en) * | 2011-05-16 | 2012-11-21 | 秦明 | Novel concrete carbonization prevention coating material |
| CN106904891A (en) * | 2017-03-21 | 2017-06-30 | 新疆科能防水防护技术股份有限公司 | Carbonization preventing paint and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484082A (en) * | 2018-08-29 | 2019-11-22 | 含山县金中环装饰材料有限公司 | A kind of concrete protection osmosis type anticorrosive paint |
| CN110984613A (en) * | 2019-12-09 | 2020-04-10 | 湖北江能水利水电建设有限公司 | Method for rapidly treating large-area severely-carbonized concrete surface |
| CN111234670A (en) * | 2020-03-05 | 2020-06-05 | 东莞市卓祥建筑工程有限公司 | Water-based transparent concrete waterproof mildew-proof carbonization-proof coating and preparation method thereof |
| CN112374854A (en) * | 2020-11-12 | 2021-02-19 | 上海涂固安高科技有限公司 | Anti-carbonization coating with super-strong adaptability and preparation method thereof |
| CN113896504A (en) * | 2021-10-29 | 2022-01-07 | 重庆交通大学 | Phosphorus-magnesium cementing material/polymer composite coating and construction method thereof |
| CN115073948A (en) * | 2022-07-04 | 2022-09-20 | 中德新亚建筑材料有限公司 | Concrete surface anti-carbonization coating and preparation process thereof |
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Effective date of registration: 20190614 Address after: 201801 6 Building 1 Floor, No. 126 Longpan Road, Malu Town, Jiading District, Shanghai Applicant after: Shanghai Mienshi Chemical Building Materials Co., Ltd. Address before: 200 000 No. 126, Longpan Road, Jiading District, Shanghai Applicant before: Nun Liang (Shanghai) new Mstar Technology Ltd |
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Application publication date: 20180417 |