CN105670404A - Aqueous stone-like coating - Google Patents
Aqueous stone-like coating Download PDFInfo
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- CN105670404A CN105670404A CN201410681079.9A CN201410681079A CN105670404A CN 105670404 A CN105670404 A CN 105670404A CN 201410681079 A CN201410681079 A CN 201410681079A CN 105670404 A CN105670404 A CN 105670404A
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Abstract
An aqueous stone-like coating is composed of two phases: a dispersing phase and a dispersing medium. The dispersing phase is composed of following raw materials, by weight, 40-65 parts of a styrene modified acrylate emulsion, 15-30 parts of elastic water-soluble polyurethane, 1-5 parts of cellulose, 20-50 parts of hydrophilic colloid, 5-10 parts of color sand, 10-15 parts of a pigment filler, 2-8 parts of a thickening agent, 3-5 parts of a dispersion stabilizer, 1-3 parts of an anti-settling agent and 70-90 parts of water. The dispersing medium is composed of following raw materials, by weight, 1-5 parts of a crosslinking agent, 1-5 parts of a film-forming additive and 20-50 parts of water. In the aqueous stone-like coating, with the nano hydrophilic optical energy water solution and the elastic water-soluble polyurethane, adsorption and coating effects of the color particles to the pigment filler is enhanced, thereby effectively solving a problem of color bleeding. The aqueous stone-like coating is improved in definition of the color particles and the stability of the whole system, has strong practicability and is valuable to promote, and can satisfy a user demand on high-quality stone-like coatings.
Description
Technical field
The present invention relates to paint field, particularly relate to a kind of water-based stone-like coating.
Background technology
Along with the raising of people's living standard and the demand of architectural decoration, people are more and more higher for the requirement of decoration property. The straight-shade coating being in harmonious proportion by latex coating and synthetic resins can not meet higher decoration sexual demand. Stone-like coating then becomes the renewal product in current architectural constructional materials, compared with water-based straight-shade coating, stone-like coating has the advantage that color is abundant, stereoscopic sensation is strong, and easy construction, with spray gun, metope is carried out once spraying and can obtain imitative stone decorative pattern pattern, have development prospect very widely.
Stone-like coating is different from the coating products of traditional single-phase, monochromatic homogeneity, but polychrome, heterogeneous mix particles coexist, therefore product stability is not good, limits the suitability for industrialized production that they are a large amount of. Wherein, stone-like coating prizes a bleeding and dispersion medium muddiness is the most common problem of current water-based stone-like coating product; the major cause causing this kind of phenomenon is look grain surface gel protective membrane insufficient strength, too fragility; the pigment of look grain inside, filler, auxiliary agent etc. by fragile protective membrane constantly to exosmosis; dispersion medium is made to have brought the color of color grain gradually, so that the phenomenon become turbid.
Water-based stone-like coating receives the concern of people in recent years more and more, metope is carried out decorative pattern and the color that once spraying can obtain the high-grade finishing material such as natural granite, wallpaper by this kind of novel environment-friendly type coating spray gun, coating color is bright-coloured, enrich changeable, have good decorative effect, and cost is low, easy construction, free from environmental pollution. The finishing effect of water-based stone-like coating depends primarily on the shape of color grain, size and intensity, and the multiple factors such as the selection of the shape of color grain and size and system viscosity, alr mode, flocculation agent, thickening material and other raw material are relevant.
Water-based stone-like coating is that VOC content is extremely low by colored water solution latex coating (dispersion agent) and the heterogeneous uniform suspensoid that formed as dispersion medium (continuous phase) using water-soluble protecting glue solution.The U.S. just successfully develops the high water-water stone-like coating of security in the later stage sixties 20th century, but China's late 1980s just introduces " oil-in-water " property multi-colour paint for internal wall technology from Japan, and domestic correlation technique just starts to grow up afterwards. But the problem due to water-based stone-like coating package stability, China at present to the research of water-based stone-like coating mainly based on laboratory development, the technology of water-based stone-like coating is also immature.
Summary of the invention
It is an object of the invention to provide a kind of water-based stone-like coating, efficiently solve bleeding problem, and shelf-stable, there is stronger practicality and generalization.
For realizing the above-mentioned purpose of the present invention, the present invention provides a kind of water-based stone-like coating, being made up of disperse phase and dispersion medium two-phase, described disperse phase is made up of the raw material of following weight part number: phenylethene modified acrylic ester emulsion 40-65 part, elasticity aqurous ployurethane 15-30 part, Mierocrystalline cellulose 1-5 part, hydrophilic colloid 20-50 part, color sand 5-10 part, color stuffing 10-15 part, thickening material 2-8 part, dispersion stabilizer 3-5 part, anti-settling agent 1-3 part, water 70-90 part; Described dispersion medium is made up of the raw material of following weight part number: linking agent 1-5 part, film coalescence aid 1-5 part, water 20-50 part.
Described elasticity aqurous ployurethane, makes stone-like coating have higher ductility and elasticity, can not cause cracking phenomena because of body of wall self breathing.
Described color stuffing is titanium dioxide and barium white powder, and described thickening material is water-soluble polyacrylate, and described linking agent is aziridine crosslinker.
Described anti-settling agent is organic bentonite, this organic bentonite take natural smectite as raw material, reacts with quaternary ammonium salt and becomes, and produces except sedimentation when storing except effectively preventing coating, can also prevent from flowing during paint spay-coating hanging, make coatingsurface present the texture of uniform concavo-convex flag.
Described film coalescence aid is diethylene glycol monobutyl ether, it is possible to extends the wet-edge time, slows down rate of drying.
Described dispersion stabilizer is Sodium dodecylbenzene sulfonate, and disperse phase can be made to disperse very well in dispersion medium, also by dispersion particle surface adsorption, these particles can be made to be in stable dispersion state for a long time, precipitates, lumps when can prevent coating from storing.
Described hydrophilic colloid is a nanometer super hydrophilic luminous energy aqueous solution.
Described water-based stone-like coating adopts spraying method to construct.
When actual use procedure, alkali-resistant primer one time is closed in first brushing, then brushing water-based stone-like coating of the present invention twice; Often all at least 4 hours timed intervals of brushing, when humidity is too high or temperature is too low, answer the timed interval of proper extension brushing.
The compared with prior art useful effect of the present invention.
Water-based stone-like coating provided by the invention, by adopting the nano-hydrophilic luminous energy aqueous solution and elasticity aqurous ployurethane, strengthen colour particles to the absorption package action of color stuffing, efficiently solve bleeding problem, improve the sharpness of look grain and the stability of coating system in water-based stone-like coating of the present invention, there is stronger practicality and generalization, it is possible to meet people to the demand of high-quality stone-like coating.
Embodiment
The present invention is further described below in conjunction with specific embodiment.
Embodiment 1.
The present embodiment provides a kind of water-based stone-like coating, being made up of disperse phase and dispersion medium two-phase, described disperse phase is made up of the raw material of following weight part number: phenylethene modified acrylic ester emulsion 50 parts, elasticity aqurous ployurethane 21 parts, Mierocrystalline cellulose 3 parts, hydrophilic colloid 25 parts, color stuffing 11.5 parts, color 8 parts, sand, thickening material 5.5 parts, dispersion stabilizer 4 parts, anti-settling agent 1.6 parts, 79 parts, water;Described dispersion medium is made up of the raw material of following weight part number: linking agent 3.5 parts, film coalescence aid 2.8 parts, 30 parts, water.
Described elasticity aqurous ployurethane, makes stone-like coating have higher ductility and elasticity, can not cause cracking phenomena because of body of wall self breathing.
Described color stuffing is titanium dioxide and barium white powder, and described thickening material is water-soluble polyacrylate, and described linking agent is aziridine crosslinker.
Described anti-settling agent is organic bentonite, this organic bentonite take natural smectite as raw material, reacts with quaternary ammonium salt and becomes, and produces except sedimentation when storing except effectively preventing coating, can also prevent from flowing during paint spay-coating hanging, make coatingsurface present the texture of uniform concavo-convex flag.
Described film coalescence aid is diethylene glycol monobutyl ether, it is possible to extends the wet-edge time, slows down rate of drying.
Described dispersion stabilizer is Sodium dodecylbenzene sulfonate, and disperse phase can be made to disperse very well in dispersion medium, also by dispersion particle surface adsorption, these particles can be made to be in stable dispersion state for a long time, precipitates, lumps when can prevent coating from storing.
Described hydrophilic colloid is a nanometer super hydrophilic luminous energy aqueous solution.
Described water-based stone-like coating adopts spraying method to construct.
When actual use procedure, alkali-resistant primer one time is closed in first brushing, then brushing water-based stone-like coating of the present invention twice; Often all at least 4 hours timed intervals of brushing, when humidity is too high or temperature is too low, answer the timed interval of proper extension brushing.
The effect of described closed alkali-resistant primer is after evaporation of the solvent, and polymkeric substance wherein and color stuffing can infiltrate in the hole of basic unit, thus block the pore of substrate surface, and such substrate surface is just provided with excellent water repelling property and vertical water-proof function; Add superpower perviousness, sticking power that extremely good sticking power adds the main layer of water-based stone-like coating of the present invention and basic unit, avoid and peel off the de-phenomenon with pine; This closed alkali-resistant primer can also eliminate the accumulation of salt in the surface soil that basic unit causes because of water migration.
The performance test experiment of water-based stone-like coating of the present invention.
1, the state in container for paint: the container cover opening storage coating, with sample in stirring rod gently stirred vessel, observes and whether to be evenly coated with material samples, with or without lump. Result shows, water-based stone-like coating of the present invention is evenly without lump.
The condition of storage of described water-based stone-like coating is: the shady and cool dry and comfortable place leaving 5-35 DEG C in, and packing specifications is 20 kilograms/barrel.
2, surface drying time: by GB/T1728-1979(1989) in the dry second method of table carry out, touch coating surface to point, as felt, some is clamminess, but is bonded on finger without paint, namely thinks surface drying. Result shows, in room temperature (23 ± 2) DEG C, at the mensuration temperature of relative humidity (50 ± 5) %, the surface drying time of water-based stone-like coating of the present invention is 30 minutes, and dry-hard time is 60 minutes.
3, hydrophilic colloid kind is selected: hydrophilic colloid typically refers to and can be dissolved in water, and fully aquation forms macromolecular substance that is sticky, satiny or jelly solution under certain condition, hydrophilic colloid existing general character in performance has again respective specificity, can also interact between some hydrophilic colloid, reach a kind of synergistic effect, produce the characteristic that each gel monomer does not have itself, maybe can improve each gel monomer performance in some aspects.
The present invention has selected nanometer super hydrophilic luminous energy aqueous solution, vegetable jelly, a gelatin, carries out performance test, the results are shown in Table 1, and table 1 is that hydrophilic colloid kind is on the impact of gel particles.
Table 1: hydrophilic colloid kind is on the impact of gel particles.
| Kind | Viscosity (mpa s) | Granulating effect | Spraying effect |
| Nanometer super hydrophilic luminous energy aqueous solution | 300 | Particle intensity is moderate, slightly bleeding, particle dia 1-2.5mm | Easily spraying, not stifled rifle, non-colour mixture |
| Vegetable jelly | 150 | Particle intensity is little, becomes little particulate, and bleeding is serious, particle dia 2-8mm | Easily spraying, colour mixture is serious |
| Gelatin | 500 | Particle intensity is big, into strips, not easily broken, slightly bleeding, particle dia 3-5mm | Easily stifled rifle, not easily sprays |
As shown in Table 1, nanometer super hydrophilic luminous energy aqueous solution plastic effect and spraying effect are best, therefore hydrophilic colloid of the present invention adopts nanometer super hydrophilic luminous energy aqueous solution. Water-based stone-like coating of the present invention is by adopting the nano-hydrophilic luminous energy aqueous solution and elasticity aqurous ployurethane, strengthen colour particles to the absorption package action of color stuffing, efficiently solve bleeding problem, it is to increase the sharpness of look grain and the stability of coating system in water-based stone-like coating of the present invention.
4, consumption paint measures test result: the theoretical consumption paint amount of described water-based stone-like coating is 8-12 square metre/kilogram/mono-time (dry film 30 μm meter); Because the degree of roughness on practice of construction surface, degree of compactness, ridity and coating Dilution ratio are different, consumption paint amount can be different.
Embodiment 2.
The present embodiment provides a kind of water-based stone-like coating, being made up of disperse phase and dispersion medium two-phase, described disperse phase is made up of the raw material of following weight part number: phenylethene modified acrylic ester emulsion 40.5 parts, elasticity aqurous ployurethane 16 parts, Mierocrystalline cellulose 1.5 parts, hydrophilic colloid 20 parts, color stuffing 10.5 parts, color 6 parts, sand, thickening material 3 parts, dispersion stabilizer 3.5 parts, anti-settling agent 1.3 parts, 72 parts, water; Described dispersion medium is made up of the raw material of following weight part number: linking agent 1 part, film coalescence aid 2 parts, 20 parts, water.
Embodiment 3.
The present embodiment provides a kind of water-based stone-like coating, being made up of disperse phase and dispersion medium two-phase, described disperse phase is made up of the raw material of following weight part number: phenylethene modified acrylic ester emulsion 64 parts, elasticity aqurous ployurethane 30 parts, Mierocrystalline cellulose 4.85 parts, hydrophilic colloid 47 parts, color stuffing 15 parts, color 10 parts, sand, thickening material 7.8 parts, dispersion stabilizer 5 parts, anti-settling agent 3 parts, 85 parts, water; Described dispersion medium is made up of the raw material of following weight part number: linking agent 5 parts, film coalescence aid 4.8 parts, 49 parts, water.
Claims (10)
1. a water-based stone-like coating, it is made up of disperse phase and dispersion medium two-phase, it is characterized in that, described disperse phase is made up of the raw material of following weight part number: phenylethene modified acrylic ester emulsion 40-65 part, elasticity aqurous ployurethane 15-30 part, Mierocrystalline cellulose 1-5 part, hydrophilic colloid 20-50 part, color sand 5-10 part, color stuffing 10-15 part, thickening material 2-8 part, dispersion stabilizer 3-5 part, anti-settling agent 1-3 part, water 70-90 part; Described dispersion medium is made up of the raw material of following weight part number: linking agent 1-5 part, film coalescence aid 1-5 part, water 20-50 part.
2. water-based stone-like coating as claimed in claim 1, it is characterised in that, described color stuffing is titanium dioxide and barium white powder.
3. water-based stone-like coating as claimed in claim 1, it is characterised in that, described anti-settling agent is organic bentonite, and this organic bentonite take natural smectite as raw material, reacts with quaternary ammonium salt and becomes.
4. water-based stone-like coating as claimed in claim 1, it is characterised in that, described film coalescence aid is diethylene glycol monobutyl ether.
5. water-based stone-like coating as claimed in claim 1, it is characterised in that, described dispersion stabilizer is Sodium dodecylbenzene sulfonate.
6. water-based stone-like coating as claimed in claim 1, it is characterised in that, described hydrophilic colloid is a nanometer super hydrophilic luminous energy aqueous solution.
7. water-based stone-like coating as claimed in claim 1, it is characterised in that, described thickening material is water-soluble polyacrylate.
8. water-based stone-like coating as claimed in claim 1, it is characterised in that, described linking agent is aziridine crosslinker.
9. water-based stone-like coating as claimed in claim 1, it is characterised in that, described water-based stone-like coating adopts spraying method to construct.
10. the using method of water-based stone-like coating as claimed in claim 1, it is characterised in that, alkali-resistant primer one time is closed in first brushing, then brushes described water-based stone-like coating twice; Often all at least 4 hours timed intervals of brushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410681079.9A CN105670404A (en) | 2014-11-20 | 2014-11-20 | Aqueous stone-like coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410681079.9A CN105670404A (en) | 2014-11-20 | 2014-11-20 | Aqueous stone-like coating |
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| CN105670404A true CN105670404A (en) | 2016-06-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815236A (en) * | 2017-11-21 | 2018-03-20 | 广西吉宽太阳能设备有限公司 | Liquid wallpaper coating and production method |
| CN109456651A (en) * | 2018-10-17 | 2019-03-12 | 广东伊思曼新材料科技股份有限公司 | A kind of multifunctional aqueous enamel paint and preparation method thereof |
| CN111484778A (en) * | 2019-01-28 | 2020-08-04 | 嘉兴市威纳建材有限公司 | Cross-linking reaction type sand-in-water colorful granite stone-like coating and preparation method thereof |
| CN116285528A (en) * | 2023-02-22 | 2023-06-23 | 四川三棵树涂料有限公司 | Thermal insulation paste capable of being sprayed mechanically and preparation method thereof |
-
2014
- 2014-11-20 CN CN201410681079.9A patent/CN105670404A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815236A (en) * | 2017-11-21 | 2018-03-20 | 广西吉宽太阳能设备有限公司 | Liquid wallpaper coating and production method |
| CN109456651A (en) * | 2018-10-17 | 2019-03-12 | 广东伊思曼新材料科技股份有限公司 | A kind of multifunctional aqueous enamel paint and preparation method thereof |
| CN109456651B (en) * | 2018-10-17 | 2020-12-22 | 广东伊思曼新材料科技股份有限公司 | Multifunctional water-based enamel and preparation method thereof |
| CN111484778A (en) * | 2019-01-28 | 2020-08-04 | 嘉兴市威纳建材有限公司 | Cross-linking reaction type sand-in-water colorful granite stone-like coating and preparation method thereof |
| CN116285528A (en) * | 2023-02-22 | 2023-06-23 | 四川三棵树涂料有限公司 | Thermal insulation paste capable of being sprayed mechanically and preparation method thereof |
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Application publication date: 20160615 |