CN109162417B - Method for manufacturing stone-like colorful coating - Google Patents
Method for manufacturing stone-like colorful coating Download PDFInfo
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- CN109162417B CN109162417B CN201810878574.7A CN201810878574A CN109162417B CN 109162417 B CN109162417 B CN 109162417B CN 201810878574 A CN201810878574 A CN 201810878574A CN 109162417 B CN109162417 B CN 109162417B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
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- 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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
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- 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
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- 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
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- 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
- C09D133/04—Homopolymers or copolymers of esters
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- 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
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- 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
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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- 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
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
Abstract
The invention relates to a method for manufacturing a stone-like colorful coating, which sequentially comprises the following steps from bottom to top: the bottom plate, the seal layer, the bottom color layer, the stone imitation layer and the cover surface layer. Compared with the existing procedures, the heating and drying procedures of the manufacturing method of the stone-like multicolor coating are fewer, and the efficiency is higher. Replace conventional imitative stone effect coating composition with imitative multi-color dry piece of stone, the heating stoving process of imitative stone effect coating is got rid of on the one hand, and on the other hand uses imitative multi-color dry piece of stone, is difficult for polluting the operation place, cleans conveniently. Because the colorful dry piece of imitative stone can absorb the moisture of next one deck bottom coating, on the one hand make its heating stoving process that goes on afterwards time-consuming shorter, the energy consumption is lower, on the other hand, in the heating stoving operation, can not rise the drum to the technical problem that the waterborne coating easily rises in the processing of integration board has been solved in the production at present.
Description
Technical Field
The invention belongs to the technical field of building exterior wall heat-insulating decorative materials and interior wall decorative materials, and particularly relates to a manufacturing method of a stone-like colorful coating.
Background
With the rapid development of the building industry, people increasingly advocate the decoration of buildings with natural, elegant, style, stability and other artistic effects. Therefore, the natural stone is applied, but the natural stone has high cost and inconvenient construction, so the stone-like integrated plate is produced at the same time, has the luxurious appearance of the stone, has strong stereoscopic impression, but has much less weight.
For the heat insulation integrated plate for the outer wall, the process for manufacturing the plate generally comprises the following steps: coating a closed hydrophobic bottom coating formed by a closed coating composition on the heat insulation plate, and coating a base color coating formed by a base color coating composition after heating and drying for the first time; after the second heating and drying, spraying a third coating composition to form a stone-like effect coating; and (4) after the third heating and drying, coating a stain-resistant finish coat formed by a fourth coating composition, and drying for the fourth time to obtain a finished product.
The prior art has the following defects: firstly, when the stone-like effect coating is sprayed, the coating is in a colored liquid state, and the spraying is easy to pollute an operation site and is not easy to clean and clean; secondly, because the coating used for spraying the stone-like effect coating is large in consumption, and the liquid coating contains a large amount of water, the drying time is long, the energy consumption is high, the efficiency is low, the required drying production line is long, and the manufacturing cost is high; the drying process is multiple, four times in total, and the next operation is carried out only after the drying process is completely carried out, so that the requirement on the quality of construction workers is high, the whole process has high requirement on the operation, the previous step is slightly improper, the drying process is not enough, the next operation is carried out, the coating is easy to bulge during the drying process, the defective rate is high, and the waste is large; fourthly, the conventional stone-like coating generally has real stone paint, rock slice real stone paint and colorful water-in-water paint. The real stone paint has single color, and the richness of the color of the natural stone cannot be reflected; although 5-10% of composite rock slices are added on the basis of the stone-like paint, the rock slice stone-like paint has small dosage, and finally only has limited decorative effect; the water-in-water colorful appearance has rich colors and good color point integration, but the water-in-water coating has more water content and large energy consumption requirement, the water-in-water production is more troublesome, and the color points are easy to be burnt when being stored. The natural color sand is needed by the stone-like paint and the rock slice stone-like paint, and the environment protection requirement is more and more strict, so that no sand is available later. When the water-in-water color is sprayed on a drying line, unevenness is easy to generate, so that the plate batches are different, and the defective rate is high.
Disclosure of Invention
One object of the present invention is to propose a stone-like multicolor coating.
The stone-like colorful coating comprises the following components which are sequentially laminated from bottom to top: the decorative plate comprises a bottom plate, a sealing layer, a bottom color layer, a stone-like layer and a cover surface layer, wherein the stone-like layer is provided with stone-like colorful dry sheets.
In addition, the stone-like multicolor coating according to the invention can also have the following additional technical features:
further, the bottom plate at least comprises one of a glass plate, a cement plate, a heat preservation integrated plate, a plastic plate and a stainless steel plate.
Furthermore, the stone-like colorful dry sheet is of a sheet structure with the thickness of 0.02 mm-0.15 mm.
Further, the stone-like colorful dry sheet comprises the following components in parts by weight: 30 to 60 portions of water-absorbing flexible resin, 25 to 55 portions of filler, 0.5 to 2.5 portions of film-forming additive, 0.1 to 1.0 portion of wetting and leveling agent, 0.1 to 0.6 portion of dispersant, 0.1 to 0.5 portion of defoaming agent, 0.1 to 0.5 portion of water-based thickener and 0.1 to 1.0 portion of color paste.
Further, the water-absorbing flexible resin at least comprises one of water-based acrylic resin, water-based polyurethane resin, epoxy resin, EVA resin, vinyl acetate resin and vinyl acetate resin.
Furthermore, the filler is at least one of coarse whiting powder, wollastonite, talcum powder, kaolin, titanium dioxide and mica powder.
Further, the finishing coating at least comprises one of azapyridine, isocyanate and silane coupling agent.
Furthermore, the thickness of the sealing layer is 0.05 mm-2 mm, the thickness of the bottom color layer is 0.05 mm-2 mm, the thickness of the imitation stone layer is 0.05 mm-2 mm, and the thickness of the top surface layer is 0.02 mm-2 mm.
The invention also aims to provide a manufacturing method of the stone-like multicolor coating.
The manufacturing method of the stone-like multicolor coating comprises the following steps: s101: coating a sealing coating on the bottom plate to obtain a sealing layer, and drying; s102: coating a base color coating on the closed layer again by a roller to obtain the base color layer, uniformly scattering stone-like colorful dry sheets on the base color layer, flattening, and drying to obtain the stone-like layer; s103: and rolling or spraying a finish coating on the stone imitation layer to obtain the finish coating, and then drying.
The method for manufacturing the stone-like colorful coating has the following remarkable effects: the heating and drying process is less than the existing process, only three times in total, and the efficiency is higher. The drying procedure of the stone-like coating is saved, and the stone-like coating is thickest in coating film and is also hardest to dry; secondly, replacing the conventional stone-like effect coating with the stone-like colorful dry sheets, on one hand, removing the heating and drying process of the stone-like effect coating, and on the other hand, using the stone-like colorful dry sheets, the operating place is not easy to be polluted, the cleaning is convenient, the stone-like colorful dry sheets can be recycled, and the cost is saved; thirdly, as the stone-like colorful dry sheet can absorb the moisture of the next bottom color coating, on one hand, the subsequent heating and drying process is short in time and low in energy consumption, and on the other hand, the stone-like colorful dry sheet cannot bulge in the heating and drying operation, so that the technical problem that the waterborne coating is easy to bulge in the processing of the integrated plate in the prior production is solved; and fourthly, replacing the conventional stone-like effect coating with the stone-like colorful dry pieces, wherein the color, size and proportioning amount of the dry pieces can be quantized, so that the uniformity on the base plate is good, the stone-like effect reproducibility is higher, the defective rate is lower, and the materials and the labor are saved. The colorful dry stone-like sheets can be produced according to the colors of the stone materials, the colors are rich, and the amount matching is also according to the stone materials, so that the ideal full and rich stone-like effect can be achieved more easily finally, and the produced integrated plate has more vivid stone-like effect. Sixthly, the stone-like coating has good adhesive force on base plates made of different materials, so that the application field of the coating is widened. In the field needing decoration, the stone-like coating can be supported by corresponding substrates, and the decorative and beautiful effects are finally achieved.
Further, the drying temperature in the step S101 is 80-140 ℃; the drying temperature in the step S102 is 80-140 ℃; the drying temperature in the step S103 is 80 to 140 ℃.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
Embodiment 1 provides a stone-like multicolor coating, includes from bottom to top in proper order: glass bottom plate, sealing layer, base colour layer, imitative stone layer and top facing.
The method for producing the stone-like multicolor coating of embodiment 1 includes the steps of:
(1) first, a sealing coating was roll-coated on the base plate to obtain the sealing layer, and then dried at 105 ℃ to obtain a dry film having a thickness of 0.2mm (hereinafter, the thickness of each coating is the dry film thickness).
(2) And (3) rolling a base color coating on the closed layer again to obtain a base color layer with the thickness of 2mm, immediately uniformly scattering stone-like colorful dry sheets with the diameter of 0.1mm and the thickness of 0.15mm on the base color layer, flattening, and drying at the temperature of 120 ℃ to obtain the stone-like layer with the thickness of 0.2 mm. The stone-like colorful dry sheet comprises the following raw materials in parts by weight: 60 parts of water-based acrylic resin, 25 parts of talcum powder, 2.5 parts of film-forming additive, 0.1 part of wetting and leveling agent, 0.6 part of dispersant, 0.1 part of defoaming agent, 0.5 part of water-based thickener, 0.1 part of color paste and 5 parts of water.
(3) And roll-coating a finish coating containing azapyridine on the stone-like layer to obtain a finish coating with the thickness of 2mm, and then drying at the temperature of 80 ℃ to obtain the stone-like colorful coating.
Example 2
Embodiment 2 provides an imitative multi-colored coating of stone, includes from bottom to top in proper order: the heat-preservation integrated plate comprises a heat-preservation integrated plate, a sealing layer, a bottom color layer, a stone-like layer and a cover surface layer.
The method for producing the stone-like multicolor coating of embodiment 2 includes the steps of:
(1) firstly, roll-coating a sealing coating on the bottom plate to obtain the sealing layer, and then drying at 100 ℃ to obtain a dry film with the thickness of 2mm (the thickness of each coating is the dry film thickness).
(2) And (3) rolling a base color coating on the closed layer again to obtain a base color layer with the thickness of 0.2mm, immediately and uniformly scattering stone-like colorful dry sheets with the diameter of 20mm and the thickness of 0.05mm on the base color layer, flattening, and drying at the temperature of 140 ℃ to obtain the stone-like layer with the thickness of 2 mm. The stone-like colorful dry sheet comprises the following raw materials in parts by weight: 30 parts of epoxy resin, 55 parts of heavy calcium powder, 0.5 part of film-forming additive, 1.0 part of wetting and leveling agent, 0.1 part of dispersant, 0.5 part of defoaming agent, 0.1 part of water-based thickener, 1.0 part of color paste and 10 parts of water.
(3) And spraying a finishing coating containing a silane coupling agent on the stone-like layer to obtain a 0.2mm thick finishing coating, and drying at 130 ℃ to obtain the stone-like colorful coating.
Example 3
Embodiment 3 provides an imitative multi-colored coating of stone, includes from bottom to top in proper order: stainless steel plate, sealing layer, base colour layer, imitative stone layer and top facing.
The method for producing the stone-like multicolor coating of embodiment 3 includes the steps of:
(1) firstly, roll-coating a sealing coating on the bottom plate to obtain the sealing layer, and then drying at 80 ℃ to obtain a dry film with the thickness of 1mm (the thickness of each coating is the dry film thickness).
(2) And (3) rolling a base color coating on the closed layer again to obtain a base color layer with the thickness of 1mm, immediately uniformly scattering stone-like colorful dry sheets with the diameter of 10mm and the thickness of 0.1mm on the base color layer, flattening, and drying at the temperature of 90 ℃ to obtain the stone-like layer with the thickness of 1 mm. The stone-like colorful dry sheet comprises the following raw materials in parts by weight: 45 parts of EVA resin, 40 parts of mica powder, 1.5 parts of film-forming additive, 0.5 part of wetting and leveling agent, 0.3 part of dispersant, 0.25 part of defoaming agent, 0.25 part of aqueous thickening agent and 0.5 part of color paste.
(3) And roll-coating a finish coating containing isocyanate on the stone-like layer to obtain the finish coating with the thickness of 1mm, and then drying at the temperature of 110 ℃ to obtain the stone-like multicolor coating.
Comparative example 1: commercial base coat paint
The stone-like effect coating composition comprises the following components in percentage by weight: 20% of silicone acrylic solution, 3% of dodecyl alcohol ester, 0.1% of defoaming agent, 1% of thickening agent and the balance of color sand to 100%.
The using method comprises the following steps: adding a proper amount of water and dodecyl alcohol ester into the silicone-acrylic solution, adding the colored sand and the defoaming agent into the silicone-acrylic solution while stirring at a high speed, and adding the thickening agent into the mixture after uniformly mixing to obtain the stone-like effect coating composition.
Coating a hydrophobic bottom coating formed by a closed coating composition on the heat insulation board of the integrated board, coating a base color coating formed by the base color coating composition after first heating and drying, coating a stone-like effect coating composition to form a stone-like effect coating after second heating and drying, coating a stain-resistant top coating formed by a fourth coating composition after third heating and drying, and drying for the fourth time to obtain a finished product.
Comparative example 2: stone-like paint produced by Guangzhou building materials Co., Ltd:
the using method comprises the following steps: firstly stirring and mixing the stone-like coating for 5min, then spraying the stone-like coating on a clean outer wall base surface coated with primer by using a spray gun, controlling the spraying pressure of the spray gun to be 0.5MPa and the spraying thickness to be 2.5mm, standing and airing after the spraying is finished, and then, grinding and finishing the dried stone-like coating by using abrasive paper.
Comparative example 3: according to the usual production of the panels
The using method comprises the following steps: coating a hydrophobic bottom coating formed by a closed coating composition on a heat insulation board of the integrated board, coating a base color coating formed by the base color coating composition after first heating and drying, coating a third coating composition to form a stone-like effect coating after second heating and drying, coating a stain-resistant top coating formed by a fourth coating composition after third heating and drying, and obtaining a finished product after fourth drying.
Respectively counting the total energy consumption, the total time and the pollution condition of the manufacturing site of the whole manufacturing sample plate of each embodiment and the comparative example, and comparing the pollution condition of the manufacturing site with the number of stains which are not easy to scrub; and counting the number of the drum points of the finished product. The results of the coating performance tests of the stone-like effect coating systems of examples 1 to 3 and comparative examples 1 to 3 are shown in Table 1.
TABLE 1 test of the coating Properties of the Stone-like Effect coating System
| Total energy consumption/kilowatt-hour | Total time/h | Contamination status/Point | Number of drum points | |
| Example 1 | 10.6 | 12 | 10 | 0 |
| Example 2 | 9.3 | 10 | 14 | 0 |
| Example 3 | 8.9 | 8 | 6 | 1 |
| Comparative example 1 | 19.1 | 38 | 115 | 59 |
| Comparative example 2 | 22.4 | 36 | 103 | 48 |
| Comparative example 3 | 23 | 36 | 128 | 86 |
As can be seen from Table 1, the processes of examples 1 to 3 are shorter in time, remarkably lower in energy consumption, less in pollution and substantially possible to achieve zero drum point, as compared with comparative examples 1 to 3. The invention adopts the stone-like dry sheet to replace the conventional stone-like coating system to manufacture the stone-like coating, and the dry sheet has hygroscopicity, so that the energy consumption for final drying can be reduced, and the dry sheet is adopted, so that the manufactured finished product can have zero drum point.
In conclusion, the method for manufacturing the stone-like colorful coating has the following remarkable effects: the heating and drying process is less than the existing process and has higher efficiency; secondly, replacing the conventional stone-like effect coating with the stone-like colorful dry sheets, on one hand, removing the heating and drying process of the stone-like effect coating, and on the other hand, using the stone-like colorful dry sheets, the operating place is not easy to be polluted, the cleaning is convenient, and the stone-like colorful dry sheets can be recycled; thirdly, as the stone-like colorful dry sheet can absorb the moisture of the next bottom color coating, on one hand, the subsequent heating and drying process is short in time and low in energy consumption, and on the other hand, the stone-like colorful dry sheet cannot bulge in the heating and drying operation, so that the technical problem that the waterborne coating is easy to bulge in the processing of the integrated plate in the prior production is solved; and fourthly, replacing the conventional stone-like effect coating with the stone-like colorful dry pieces, wherein the color, size and proportioning amount of the dry pieces can be quantized, so that the uniformity on the base plate is good, the stone-like effect reproducibility is higher, the defective rate is lower, and the materials, the labor and the materials are saved. Fifthly, the colorful dry stone-like pieces can be prepared according to the colors of the stone materials, the colors are rich, the dosage matching is also according to the stone materials, so that the ideal, full and rich stone-like effect can be achieved more easily finally, and the produced integrated plate has more vivid stone-like effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The method for manufacturing the stone-like multicolor coating is characterized in that the stone-like multicolor coating comprises the following steps of sequentially laminating from bottom to top: the decorative plate comprises a bottom plate, a sealing layer, a bottom color layer, a stone-like layer and a cover surface layer, wherein the stone-like layer is provided with stone-like colorful dry sheets;
the manufacturing method of the stone-like multicolor coating comprises the following steps:
s101: coating a sealing coating on the bottom plate to obtain a sealing layer, and drying;
s102: coating a base color coating on the closed layer again by a roller to obtain the base color layer, uniformly scattering stone-like colorful dry sheets on the base color layer, flattening, and drying to obtain the stone-like layer;
s103: coating or spraying a finish coating on the stone-like layer by roller to obtain the finish coating, and then drying;
the stone-like colorful dry sheet comprises the following components in parts by weight: 30 to 60 portions of water-absorbing flexible resin, 25 to 55 portions of filler, 0.5 to 2.5 portions of film-forming additive, 0.1 to 1.0 portion of wetting and leveling agent, 0.1 to 0.6 portion of dispersant, 0.1 to 0.5 portion of defoaming agent, 0.1 to 0.5 portion of water-based thickener and 0.1 to 1.0 portion of color paste;
the water-absorbing flexible resin at least comprises one of water-based acrylic resin, water-based polyurethane resin, epoxy resin, EVA resin, vinyl acetate-acrylic resin and vinyl acetate-acrylic resin.
2. The method of claim 1, wherein the base plate comprises at least one of a glass plate, a cement plate, a heat insulating integrated plate, a plastic plate, and a stainless steel plate.
3. The method of claim 1, wherein the stone-like multi-colored dry sheet is a sheet structure having a thickness of 0.02mm to 0.15 mm.
4. The method of claim 1, wherein the filler is at least one of ground calcium carbonate, wollastonite, talc, kaolin, titanium dioxide, and mica.
5. The method of claim 1, wherein the overcoat comprises at least one of a nitropyridine, an isocyanate, and a silane coupling agent.
6. The method of claim 1, wherein the thickness of the blocking layer is 0.05mm to 2mm, the thickness of the base color layer is 0.05mm to 2mm, the thickness of the stone-like layer is 0.05mm to 2mm, and the thickness of the overcoat layer is 0.02mm to 2 mm.
7. The method of claim 1, wherein: the drying temperature in the step S101 is 80-140 ℃; the drying temperature in the step S102 is 80-140 ℃; the drying temperature in the step S103 is 80 to 140 ℃.
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| CN112408858A (en) * | 2019-08-20 | 2021-02-26 | 亚士创能新材料(滁州)有限公司 | Preparation method of multicolor texture type stone-like color piece and stone-like color piece |
| CN113956739A (en) * | 2021-11-29 | 2022-01-21 | 广东美家美福科技有限公司 | Granite coating and preparation process thereof |
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| CN102010656A (en) * | 2010-11-18 | 2011-04-13 | 上海绿特丹保温工程有限公司 | Functional coating sheet |
| CN104513039B (en) * | 2013-09-29 | 2017-01-18 | 立邦涂料（中国）有限公司 | Aqueous imitation stone coating, coat and product |
| CN104371466A (en) * | 2014-11-10 | 2015-02-25 | 江西景新漆业有限公司 | Water-based colourful slice coating and preparation method thereof |
| CN104559600A (en) * | 2015-01-14 | 2015-04-29 | 江门市润立化工实业有限公司 | Three-dimensional gorgeous paint as well as preparation method and construction process thereof |
| CN106433359B (en) * | 2015-08-04 | 2020-03-17 | 台州市中凯实业有限公司 | Stone-like exterior wall coating and preparation method thereof |
| CN105298056A (en) * | 2015-09-24 | 2016-02-03 | 沈阳饰壁涂料科技有限公司 | Simulated stone thermal-insulation and decoration integrated plate and manufacturing method thereof |
| CN105907213A (en) * | 2016-04-21 | 2016-08-31 | 江西天晟新材料有限公司 | Marble-imitating colorful piece coating and preparation method of imitated marble |
| CN106543835A (en) * | 2016-10-25 | 2017-03-29 | 宁夏建工集团装饰工程有限公司 | A kind of composite metal plate with the imitative bag resin lacquer painting of oiliness and preparation method thereof |
| CN107459276A (en) * | 2017-07-04 | 2017-12-12 | 孟咸来 | A kind of colorful dry granular piece preparation method of grinding stone for being used to manufacture stone-like coating |
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