CN104693956A - Cement-based polymer anticorrosion coating and preparing method thereof - Google Patents
Cement-based polymer anticorrosion coating and preparing method thereof Download PDFInfo
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- CN104693956A CN104693956A CN201310655430.2A CN201310655430A CN104693956A CN 104693956 A CN104693956 A CN 104693956A CN 201310655430 A CN201310655430 A CN 201310655430A CN 104693956 A CN104693956 A CN 104693956A
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- Prior art keywords
- cement
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- emulsion
- copolymer emulsion
- protective system
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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
- C04B41/5076—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 masses bonded by inorganic cements
- C04B41/5079—Portland cements
-
- 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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C09D131/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to cement-based polymer anticorrosion coating and a preparing method thereof. The coating is prepared by respectively mixing and blending solid-phase materials and liquid-phase materials, slowly adding the solid-phase materials into the liquid-phase materials and fully stirring until no bubble exists, wherein the liquid phase comprises 10-50 wt% of an epoxy emulsion, 0-30 wt% of a vinyl acetate-ethylene copolymer emulsion, 0-30 wt% of a styrene-acrylate copolymer emulsion, 0-1 wt% of an organosilicon defoamer and 2-10 wt% of a polyethylene-polyamine curing agent; and the solid phase comprises 20-39 wt% of cement, 8-19 wt% of quartz sand and 0-2 wt% of cellulose. The coating has characteristics of high strength, high bending resistance, high adhesion force, corrosion resistance, ageing resistance, fire prevention, safe and simple construction, no toxicity, and the like, and is an ideal material for solving sulfate corrosion in high-sulfate-concentration or water-evaporation sections or parts, sections or parts having cycles of freezing and thawing, wetting-drying alternated sections or parts, hydraulic scouring sections or parts, and the like.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of preparation of cement polymer protective system.
Background technology
In the area that sulphate content is high, concrete is a common phenomenon by sulphate corrosion, the annual concrete destruction case therefore caused is very many, has a strong impact on security and the weather resistance of concrete structure, and country all will spend a large amount of funds to keep in repair every year for this reason.
The method of anti-sulphates corrosive conventional at present adopts sulphate-resistant cement preparation sulfate-resistant corrosion concrete, or the additive of some anti-sulphates corrosives of admixture improves concrete Sulfate Corrosion Resistance energy.The problems such as the method ubiquity cost added in this kind of is high, anticorrosion effect is limited.Particularly sulphate corrosion concentrates on sulfate concentration very high or section or the position such as moisture evaporation, freeze-thaw cycle, alternation of wetting and drying, sluicing mostly, the method inside added is not pointed, therefore selectively the outer anti-corrosion layer technique that is coated with more effectively and reasonably, and should there is no the material of similar this outer painting at present.
Summary of the invention
The invention provides a kind of cement polymer protective system with anti-sulphates corrosive being used in concrete structure and being coated with outward.
Inventing the polymer cement protective system provided, is solid, liquid two-phase two-pack matrix material, is formed by the following weight ratio assembly accounting for total coating by standby component:
Liquid phase component:
Epoxy emulsion one 10% ~ 50%,
Vinyl acetate ether one ethylene copolymerization emulsions one 0% ~ 30%,
Vinylbenzene one Acrylate copolymer emulsion one 0% ~ 30%,
Silicone antifoam agent one 0% ~ 1%,
Polyenoid many limbs solidifying agent one 2% ~ 10%,
Solid components:
Cement one 20% ~ 39%,
Quartz sand one 8% ~ 19%, and
Mierocrystalline cellulose one 0% ~ 2%.
Described cement polymer protective system, preferably by following material by weight percentage mixture form:
Standby component in liquid phase component:
Epoxy emulsion one 10% ~ 15%,
Vinyl-acetic ester one ethylene copolymerization emulsions one 20% ~ 30%,
Vinylbenzene one Acrylate copolymer emulsion one 10% ~ 30%,
Silicone antifoam agent one 1%,
Polyenoid many limbs solidifying agent one 2% ~ 3%,
Solid components:
Cement one 20% ~ 39%,
Quartz sand one 10% ~ 19%, and
Mierocrystalline cellulose one 0% ~ 2%.
Described cement polymer protective system, preferably by following material by weight percentage mixture form:
Epoxy emulsion one 20%,
Vinyl-acetic ester one ethylene copolymerization emulsions one 10%,
Vinylbenzene one Acrylate copolymer emulsion one 10%,
Silicone antifoam agent one 1%,
Polyamines polyene solidifying agent one 5%,
Cement one 33%,
Quartz sand one 20%, and
Mierocrystalline cellulose one 1%.
Another object of the present invention is also the production method providing above-mentioned cement polymer protective system.
It is even that liquid phase material and solid phase material are first distinguished mixture by the method, more slowly pour in liquid phase material by the solid-phase powder material prepared, till being stirred well to bubble-free.
Adopt above scheme, polymer cement protective system of the present invention forms matrix material by solid, liquid two-phase two-pack, it inherits the advantage of high-strength, the high bending resistance of resinous material, high bonding, erosion resistance, remaining again the characteristics such as cement-based material is anti-aging, fire prevention, the simple nontoxic performance of construction safety, is the sulphate corrosion ideal material solving the sections such as sulfate concentration very high or moisture evaporation, freeze-thaw cycle, alternation of wetting and drying, sluicing or position.
Embodiment
Polymer cement protective system of the present invention is solid, liquid two-phase two-pack matrix material.Wherein liquid phase comprises epoxy emulsion, vinyl-acetic ester one ethylene copolymerization emulsions, vinylbenzene one Acrylate copolymer emulsion, silicone antifoam agent and polyamines polyene solidifying agent, and solid phase comprises cement, quartz sand and Mierocrystalline cellulose.These components form by the following weight ratio assembly accounting for total coating:
Liquid phase component: epoxy emulsion-10% ~ 50%, vinyl-acetic ester one ethylene copolymerization emulsions one 0% ~ 30%, vinylbenzene one Acrylate copolymer emulsion one 0% ~ 30%, silicone antifoam agent one 0% ~ 1%, polyamines polyene solidifying agent one 2% ~ 10%; Solid components: cement one 20% ~ 39%, quartz sand one 8% ~ 19%, and Mierocrystalline cellulose one 0% ~ 2%.
In the present invention, standby component formal name used at school, function and source are as follows:
Epoxy emulsion: oil-in-water-type epoxy resin latex.Its function is that epoxy emulsion and powder react, and under the epoxy polymer that three-dimensional is netted surrounds, polymer cement protective system has excellent corrosion resistance nature.The Commercial epoxy emulsions such as aqueous epoxy emulsion EECM (source China Building Material Scientific Research General Institute) can be selected.
Vinyl-acetic ester one ethylene copolymerization emulsions: its function is the snappiness improving polymer cement protective system.For selectivity addO-on therapy, when the flexibility requirements of polymer cement protective system is higher, vinyl acetate ether-ethylene copolymer VAE emulsion that Beijing Organic Chemical Plant etc. produces can be selected.
Styrene And Chloroalkyl Acrylates resin copolymer emulsion: vinylbenzene one Acrylate copolymer emulsion has the feature of high viscosity, high thixotropic, and thus polymer cement paint has certain thixotropy, has excellent package stability and application property.Vinylbenzene one Acrylate copolymer emulsion is selectivity addO-on therapy, adds: the benzene emulsion can selecting the Company such as national of the United States's starch Chemical Co., Ltd. when having during requirement the stability of polymer cement protective system and application property.
Silicone antifoam agent: poly-silica a heatable brick bed defoamer.Function is can eliminate aqueous phase foam rapidly, and has long pressing down to steep effect.Break bubble fast when brushing or roller coating and do not cause beauty defects.When having required to the outward appearance of polymer cement protective system, the agent of poly-silica a heatable brick bed defoamer class Commercial antifoam can be selected.Polyamines polyene solidifying agent: the preferably triethylene four limbs of Dow Chemical company.
Cement: ordinary Portland cement, can select model 42.5MPa ordinary Portland cement, the water generation chemical reaction in cement and emulsion, improves density and the preservative property of polymer cement protective system.
Quartz sand: filler in protective system, fineness 325 order.
Mierocrystalline cellulose: the macromolecular compound with ether structure be made up of Mierocrystalline cellulose.Use as water-holding agent in the present invention, tie up plain tunnel and protective system can be made to reach certain denseness and high-moisture-retention fast, have the water-retentivity of height when 30-40 DEG C, make thin coatings can meet hot weather construction requirement.Mierocrystalline cellulose is selectivity addO-on therapy, when adding under applied at elevated temperature condition.Non-ionic type methyl cellulose ether or short propyl methocel ether can be selected, molecular weight about 10000 ~ 40000.
All can business buy for component above.
In polymer cement protective system preparation of the present invention, first by liquid phase material mixture in proportion, then the solid-phase powder material prepared slowly is poured in liquid phase material, till being stirred well to bubble-free.
Embodiment
With specific embodiment, Inventive polymers cement protective system composition and preparation thereof are described below, these embodiments are only clear open the present invention, are not construed as limiting the invention.
Embodiment 1
According to following weight preparation cement polymer protective system: epoxy emulsion one 20 kilograms, vinyl-acetic ester one ethylene copolymerization emulsions one 10 kilograms, styrene acrylic resin copolymer emulsion one 10 kilograms, silicone antifoam agent one 1 kilograms, one 5 kilograms, polyamines polyene solidifying agent: cement one 33 kilograms, quartz sand one 20 kilograms, Mierocrystalline cellulose one 1 kilograms.
First by liquid phase material, mixture is even in proportion, and solid phase material also mixes in proportion, is more slowly poured into by solid-phase powder material in liquid phase material, till being stirred well to bubble-free, obtaining slurry and is this routine finished product protective system.Performance test:
The protective system adopting long slab brush to glue to get and prepare is in 1:3 cement specimen external coating 4 ~ ' 5 time, and coat-thickness is 1.5mm, and every square metre of materials are about 2.5 kilograms.28 days are placed being coated with the test specimen brushed, jointly following operation is carried out together with blank test specimen (1:3 cement mortar specimen), contrast test specimen (inside mixing 10% anticorrodent): use 5%Na2S04 solution soaking 16 hours after the length of time, then take out and dry l hour, proceed in 80 DEG C of baking ovens and dry 6 hours, cool taking-up after 1 hour and carry out cyclic wetting and drying test, detect the folding strength change of test specimen in working cycle, and calculate the corrosion-resistant coefficient of folding strength retention rate (%) i.e..
The standby corrosion-resistant coefficient of the anti-folding of test specimen of this test is in table 1.
The corrosion-resistant coefficient of table 1---folding strength retention rate (%)
As can be seen from Table 1, after 40 circulations, (all more blank test specimen of corrosion-resistant coefficient of contrast test specimen and this example test test specimen > has a more substantial increase to take the test specimen of anti-corrosion measure, and the corrosion-resistant coefficient that namely this example test test specimen is coated with polymers anti-corrosive paint test specimen comparatively contrasts the numerical value of test specimen there were significant differences, illustrates that painting polymers anti-corrosive paint test specimen has extraordinary Sulfate Corrosion Resistance energy.
Embodiment 2 ~ 4
By composition weight preparation cement polymer protective system standby described in table 1, and it is as follows to detect the standby corrosion-resistant coefficient of embodiment test specimen by the method identical with embodiment 1:
Table 1
Above description of test, this routine invention polymers anti-corrosive paint has the sulphate corrosion ideal material that extraordinary Sulfate Corrosion Resistance can be used as cement-based material in the very high or environment such as moisture evaporation, freeze-thaw cycle, alternation of wetting and drying, sluicing of sulfate concentration.
Claims (4)
1. a cement polymer protective system, is characterized in that, is solid, liquid two-phase two-pack matrix material, by following material by weight percentage mixture form, wherein:
Liquid phase component:
Epoxy emulsion 10% ~ 50%,
Vinyl acetate ether-ethylene copolymerization emulsions 0% ~ 30%,
Styrene And Chloroalkyl Acrylates resin copolymer emulsion 0% ~ 30%,
Silicone antifoam agent 0% ~ 1%,
Polyamines polyene solidifying agent 2% ~ 10%,
Solid components:
Cement 20% ~ 39%,
Quartz sand 8% ~ 19%, and
Mierocrystalline cellulose 0% ~ 2%.
2. cement polymer protective system according to claim l, is characterized in that, by following material by weight percentage mixture form:
Each component in liquid phase component:
Epoxy emulsion 10% ~ 15%,
Vinyl copolymer emulsion 2 20% ~ 30%,
Styrene And Chloroalkyl Acrylates resin copolymer emulsion 10% ~ 30%,
Silicone antifoam agent 1%,
Polyamines polyene solidifying agent 2% ~ 3%,
Solid components:
Cement 20% ~ 39%,
Quartz sand 10% ~ 19%, and
Mierocrystalline cellulose 0% ~ 2%.
3. cement polymer protective system according to claim 1, is characterized in that, by following material by weight percentage mixture form:
Epoxy emulsion 20%,
Vinyl copolymer emulsion 10%,
Styrene And Chloroalkyl Acrylates resin copolymer emulsion 10%,
Silicone antifoam agent 1%,
Polyamines polyene solidifying agent 5%,
Cement 33%,
Quartz sand 20%, and
Mierocrystalline cellulose 1%.
4. the preparation method of a cement polymer protective system, it is characterized in that, by the proportioning of claim 1 or 2 or 3, first liquid phase material and solid phase material are distinguished mixture even, again the solid-phase powder material prepared slowly is poured in liquid phase material, till being stirred well to bubble-free.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655430.2A CN104693956A (en) | 2013-12-05 | 2013-12-05 | Cement-based polymer anticorrosion coating and preparing method thereof |
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| CN201310655430.2A CN104693956A (en) | 2013-12-05 | 2013-12-05 | Cement-based polymer anticorrosion coating and preparing method thereof |
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| CN104693956A true CN104693956A (en) | 2015-06-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747099A (en) * | 2016-12-26 | 2017-05-31 | 中铁十四局集团第五工程有限公司 | A kind of corrosion-resistant decorative appearance coating of prefabricated U-shaped beam |
| CN107573810A (en) * | 2017-09-11 | 2018-01-12 | 太原市路邦科技有限公司 | Self-repairing waterborne epoxy elastic composite coating material and preparation method thereof |
| CN107652846A (en) * | 2017-10-24 | 2018-02-02 | 安徽艾米伦特建材科技有限公司 | Rock wool plate surface composite and preparation method thereof |
| CN108341645A (en) * | 2018-02-08 | 2018-07-31 | 山东星火知识产权服务有限公司 | A kind of cement base composite anticorrosion coating |
| CN108795237A (en) * | 2018-06-25 | 2018-11-13 | 宁波汇诚能源科技有限公司 | A kind of inorganic anti-corrosion paint and preparation method thereof |
| CN109880449A (en) * | 2018-12-24 | 2019-06-14 | 广州市铁汉春园林景观工程有限公司 | A kind of water-repellent paint and preparation method thereof that permeability is strong |
-
2013
- 2013-12-05 CN CN201310655430.2A patent/CN104693956A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747099A (en) * | 2016-12-26 | 2017-05-31 | 中铁十四局集团第五工程有限公司 | A kind of corrosion-resistant decorative appearance coating of prefabricated U-shaped beam |
| CN107573810A (en) * | 2017-09-11 | 2018-01-12 | 太原市路邦科技有限公司 | Self-repairing waterborne epoxy elastic composite coating material and preparation method thereof |
| CN107652846A (en) * | 2017-10-24 | 2018-02-02 | 安徽艾米伦特建材科技有限公司 | Rock wool plate surface composite and preparation method thereof |
| CN108341645A (en) * | 2018-02-08 | 2018-07-31 | 山东星火知识产权服务有限公司 | A kind of cement base composite anticorrosion coating |
| CN108795237A (en) * | 2018-06-25 | 2018-11-13 | 宁波汇诚能源科技有限公司 | A kind of inorganic anti-corrosion paint and preparation method thereof |
| CN109880449A (en) * | 2018-12-24 | 2019-06-14 | 广州市铁汉春园林景观工程有限公司 | A kind of water-repellent paint and preparation method thereof that permeability is strong |
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Application publication date: 20150610 |