CN109779181B - Sandstone heat-insulation and decoration integrated board and preparation method thereof - Google Patents

Sandstone heat-insulation and decoration integrated board and preparation method thereof Download PDF

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Publication number
CN109779181B
CN109779181B CN201811445850.7A CN201811445850A CN109779181B CN 109779181 B CN109779181 B CN 109779181B CN 201811445850 A CN201811445850 A CN 201811445850A CN 109779181 B CN109779181 B CN 109779181B
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coating
sandstone
parts
texture
decorative substrate
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CN109779181A (en
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程照
熊员顺
王甫强
李建军
胡敏捷
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Ningbo Hobos Energy Conservation And Technology Co ltd
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Ningbo Hobos Energy Conservation And Technology Co ltd
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Abstract

The invention discloses a sandstone heat-insulation and decoration integrated board, which comprises a decoration substrate, wherein at least one middle layer with the thickness of 1-12mm is coated on the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment completely, or at least one enhancement layer is coated on at least one surface of the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment and then at least one middle layer with the thickness of 1-12mm is coated on the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment completely; the reinforcing treatment is that at least one reinforcing layer is attached to and covered on at least one surface of the decorative substrate; the invention adopts the three-dimensional coating process on the decorative substrate and combines the texture effect treatment process, can realize vivid simulation effect of various 3D stones, particularly can effectively reproduce the effect of natural sandstone, and has simple and efficient process.

Description

Sandstone heat-insulation and decoration integrated board and preparation method thereof
Technical Field
The invention relates to the technical field of stone imitation, in particular to a sandstone heat-preservation and decoration integrated board and a preparation method thereof.
Background
The stone imitation effect is realized only to the real mineral varnish of one deck of only scribbling in decorative substrate's front to current stone imitation decorative board, and the concatenation gap between the back plate is installed to the upper wall can adopt resistant waterproof ebonite to fill the gap in order to realize water-proof effects, and this kind of current stone imitation decorative board has following problem: 1. in the transportation process or the wall mounting process, the interface between the stone-like coating and the decorative substrate is easy to be affected by rainwater, so that the stone-like coating is bulged and cracked, and the weather resistance and the service life of the stone-like decorative plate are greatly reduced; 2. the water tightness of the gap is difficult to ensure completely depending on the gap filled by the weather-resistant waterproof black adhesive by installation workers, the affinity between the rain-proof and sun-dried waterproof black adhesive and the edge of the wallboard is greatly reduced, the condition of cracking of an adhesion interface is easy to occur, and rainwater still easily permeates into the gap to enter the board to cause the stone-like layer to bulge, crack and fall off; particularly, after water permeates the stone-like decorative plate, the water in the stone-like decorative plate is frozen and expanded in winter, so that the stone-like decorative plate is very easy to bulge and separate from the wall surface; when the high-rise heat-insulation exterior wall cladding is used, potential safety hazards can be brought; 3. at present, no heat-insulating and decorating integrated plate with imitation sandstone effect exists in the market.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art: the sandstone heat-insulation and decoration integrated board has the advantages of water resistance, air permeability, good weather resistance, vivid sandstone-imitating effect, simple process and high efficiency, and the preparation method thereof.
The technical solution of the invention is as follows: a sandstone heat-insulation decoration integrated board comprises a decoration substrate, wherein at least one middle layer with the thickness of 1-12mm is coated on the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment completely, or at least one enhancement layer is coated on at least one surface of the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment and then at least one middle layer with the thickness of 1-12mm is coated on the outer surface of the decoration substrate or the decoration substrate subjected to strengthening treatment completely; the reinforcing treatment is to attach at least one reinforcing layer to at least one surface of the decorative substrate.
The middle layer is a sandstone texture coating.
The reinforced layer is one or more of mortar or putty. The mortar comprises bonding mortar, plastering mortar, anti-cracking mortar, cement mortar and thermal insulation mortar.
The sandstone texture coating mainly comprises aggregate and a binder. The components of the sandstone texture coating can also comprise coloring substances such as toner, pigment, color paste and the like. The invention preferably does not add the coloring matter, and the non-addition can ensure that the texture penetrability is good, the stereoscopic impression is strong, the color of the finish coating after the texture treatment is bright, and the sandstone effect is more vivid. The aggregate is powder with uniform granularity or powder formed by grading different average grain sizes, and the binder comprises a uniform continuous dispersion system consisting of emulsion, latex, an emulsion polymer, rubber powder and water or oil. The sandstone texture coating mainly plays a role in weather resistance, wind pressure resistance and drawing strength increase, water resistance, air permeability, serving as a foundation of a facing effect of a facing coating and improving texture and texture effects. The emulsion is preferably the following industrial emulsion: styrene-acrylic emulsion, silicone-acrylic emulsion and acrylate emulsion. The emulsion has excellent acid and alkali resistance and strong adhesive force; the elongation is high; excellent weather resistance, aging resistance and high-saturation filler bearing capacity. The waterproof effect is excellent after film forming.
Preferably, the sandstone texture coating comprises a real stone paint, a texture paint, a sand wall paint and an art paint.
The reinforcing layer is made of fiber materials. Such as fiber coiled material or fiber sheet, and fiber coiled material, such as carbon fiber mesh cloth, glass fiber mesh cloth, and non-woven cloth.
The preparation method of the sandstone heat-insulation decorative integrated board comprises the following steps:
1) coating a sandstone texture coating with the thickness of 1-12mm on the outer surface of the whole decorative substrate, or firstly coating a reinforcing layer on at least one surface of the whole decorative substrate, then coating a sandstone texture coating with the thickness of 1-12mm on the whole surface, and drying to obtain a primary blank plate; the coating process includes, but is not limited to, coating by dipping the decorative substrate into a slurry containing sandstone texture coating material.
2) Coating a finishing coating on at least one surface of the primary blank plate prepared in the step 1), carrying out texture effect treatment on the surface coated with the finishing coating before the surface of the finishing coating is dried, and drying to obtain a secondary blank plate;
3) and (3) after coating finish paint on N surfaces of the secondary blank plate prepared in the step 2), drying to obtain the sandstone heat-preservation decoration integrated plate, wherein N is more than or equal to 0 and less than or equal to the total surface number of the secondary blank plate.
As another preferred mode, the preparation method of the sandstone thermal insulation and decoration integrated board comprises the following steps:
1) coating at least one reinforcing layer on at least one surface of the whole decorative substrate, or firstly coating at least one reinforcing layer on at least one surface of the whole decorative substrate, then coating at least one reinforcing layer on at least one selected surface of the outer surface, and drying to obtain a primary blank plate;
2) coating a layer of sandstone texture coating on the outer surface of the primary blank plate prepared in the step 1) completely, and drying to obtain a secondary blank plate; wherein the sum of the thicknesses of the sandstone texture coating and the enhancement layer is 1-12 mm;
3) coating a finishing coating on at least one surface of the secondary blank plate prepared in the step 2), carrying out texture effect treatment on the surface coated with the finishing coating before the surface of the finishing coating is dried, and drying to obtain a final-stage blank plate;
4) and (3) coating finish paint on M surfaces arbitrarily selected on the final-stage blank plate prepared in the step 3), and drying to obtain the sandstone heat-preservation decoration integrated plate, wherein M is more than or equal to 0 and less than or equal to the total surface number of the final-stage blank plate.
Most preferably, the preparation method of the sandstone thermal insulation and decoration integrated board is mainly characterized in that a coating is added on a hexahedral decoration substrate with front and back surfaces, left and right side surfaces and upper and lower side surfaces according to the following steps:
1) at least one surface of the decorative substrate is pasted and covered by fiber mesh cloth;
2) coating sandstone texture coatings with the thickness of 0.2-3mm on the back surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 1) and drying;
3) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 2), drying and cooling;
4) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 3), drying and cooling;
5) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 4), drying and cooling;
6) coating a layer of finishing coating on at least one surface of the decorative substrate treated in the step 5), and performing texture effect treatment on at least one surface coated with the finishing coating before the finishing coating is dried; the total thickness of the sandstone texture coating after drying is 1-12 mm.
Preferably, the sandstone texture coating raw materials in the steps 2), 3), 4) and 5) comprise the following components in parts by weight: 5-20 parts of water (the water can be selected from natural water, purified water, deionized water and the like), 0-0.3 part of bactericide (organic phosphorus, azole, antibiotics and the like can be selected), 0-0.5 part of cellulose ether (hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like can be selected), 0-0.2 part of dispersing agent, 5-30 parts of emulsion (EVA emulsion, acetic acid emulsion, acrylic acid emulsion, polyurethane resin, epoxy resin, alkyd resin and the like can be selected), and 50-80 parts of aggregate (natural color sand, ore sand, calcined color sand, synthetic color sand, river sand, seawater desalination sand, rock crushing particles and the like can be selected) (the aggregate is aggregate which is formed by grading the inorganic powder and is added according to the proportion of the sandstone texture coating). The aggregate is prepared by the following inorganic powder in parts by weight: 5-80 parts of 10-50 mesh inorganic powder, 0-50 parts of 50-200 mesh inorganic powder and 0-20 parts of inorganic powder with more than 200 meshes.
Preferably, the aggregate of the sandstone texture coating in the steps 2), 3), 4) and 5) is prepared by grading the following inorganic powder in parts by weight: 70-80 parts of 30-50 mesh inorganic powder, 0-10 parts of 50-200 mesh inorganic powder and 0-10 parts of inorganic powder with more than 200 meshes.
The bactericide can be selected from inorganic bactericide, organic phosphorus bactericide, azole bactericide and antibiotic bactericide which are sold in the market. The cellulose ether can be one or more selected from hydroxypropyl methylcellulose, hydroxyethyl cellulose, methylcellulose, ethyl cellulose and carboxymethyl cellulose. The emulsion can be selected from EVA emulsion, acetic acid emulsion, acrylic emulsion, polyurethane resin, epoxy resin and alkyd resin.
In addition, the sandstone texture coating is used as a basic supporting material of the facing coating, and has the following functions: 1. the intermediate layer formed by the sandstone texture paint has a cellular porous structure, so that a material attached to the intermediate layer has better bonding and fixing effects, the firmness of the finish coat is improved, the service life of the finish coat is prolonged, a firm bonding effect can be achieved, and a more lasting sandstone effect is obtained; 2. the intermediate layer formed by the texture coating also has the effective alkaline anti-seepage effect, effectively prevents the sandstone effect of the sandstone finish coating from being influenced due to the precipitation of alkaline substances in the wall surface or other layers, and more effectively stabilizes and maintains the sandstone effect; 3. the intermediate layer formed by the texture coating can enable the finish coating coated on the intermediate layer to better permeate into the intermediate layer, the consolidation effect of sandstone textures is improved, the sandstone textures are more stable, the permeability also effectively improves the texture layering of sandstone, the three-dimensional effect of sandstone is better, the color of sandstone is not easy to fade, the color fixing and color spreading effects of the finish coating are more facilitated, and the obtained final sandstone wall surface has vivid sandstone effect and long-acting effect maintenance.
In the step 1), a single piece of fiber mesh cloth is wrapped and pasted on the front surface, the back surface, the upper side surface and the lower side surface of the decorative substrate.
The texture effect treatment mainly comprises the step of changing the distribution of the facing paint on the surface through external force. The coating material can be one or more of scraping coating by a scraper, brushing coating by a brush, rolling coating, and wiping coating by a porous material or a fiber material.
And (3) optimally, after the texture effect treatment and drying in the step 6), coating finish paint on at least the front surface of six surfaces of the dried decorative substrate and drying.
The facing paint is one or more of colorful paints. The multicolor paint mainly comprises coloring particles and dispersion protective liquid. Preferably, the colored particles of the finishing coating adopted by the invention comprise the following raw materials in parts by weight: 20-60 parts of emulsion (selected from EVA emulsion, acetic acid emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like), 0-0.1 part of dispersing agent, 1-10 parts of toner, 30-70 parts of water (selected from natural water, purified water, deionized water and the like), 0-5 parts of modified magnesium lithium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-5 parts of cellulose (selected from hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like), 0-10 parts of propylene glycol and 0-3 parts of defoaming agent; the dispersion protection solution comprises the following raw materials in parts by weight: 50-95 parts of water (selected from natural water, purified water, deionized water and the like), 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-1 part of polyphosphate (such as sodium tripolyphosphate), 1-20 parts of modified lithium magnesium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, and 1-30 parts of emulsion (selected from EVA emulsion, acetic emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like).
The multicolor paint comprises liquid stone, water-in-water, sand-in-water and multicolor paint. The gel-colored paint is a one-component paint which is formed by suspending two or more than two gel-colored particles in an aqueous medium layer and generates multiple colors through one-time coating. It is a water-based multi-color paint which is generally prepared by using acrylic resin emulsion and fluorocarbon resin emulsion as base materials, combining inorganic pigment and high-performance auxiliary agent and processing through a special process. The facing coating contains coloring particles and the like, the obtained coating has certain adhesive, pasty or jelly-like gel effect, and if the facing coating is directly coated on an intermediate layer formed by the sandstone texture coating, the drying speed of the facing coating is slow, the construction period is greatly prolonged, and the construction efficiency is reduced; the method performs texture effect treatment on the coated finishing coating, namely, external force is applied to the finishing coating, and the coloring particles with gel effect migrate, level and are embedded into the middle layer formed by the sandstone texture coating under the action of the external force, so that the finishing coating is in a thin film form, the gel effect is reduced, the tiled area of the coloring particles is elongated, the vivid effect of the sandstone can be highlighted, the drying speed of the finishing coating can be rapidly accelerated (the coating amount is the same, the drying time is about ten times different after the texture treatment and before the texture treatment, the drying time after the texture treatment is greatly shortened), and the production efficiency is effectively improved.
The finishing paint is mainly used for enhancing the performances of waterproofness, stain resistance, weather resistance and the like, and is convenient to clean in the future. The finish paint comprises oily bi-component polyurethane finish paint, oily bi-component fluorocarbon finish paint, water-based single-component silicone acrylic finish paint and the like.
The decorative substrate is made of inorganic materials, organic materials or composite materials. The decorative substrate comprises one of rock wool boards, polyurethane foam boards, phenolic aldehyde foam boards, thermosetting composite polystyrene foam insulation boards, EPS insulation boards, XPS insulation boards, graphite polystyrene boards, gold boards, calcium silicate boards, cement boards and metal sheets with the thickness within 2mm or composite boards formed by any of the above boards.
The drying is natural drying and/or heating drying.
The cooling means natural cooling or air cooling to room temperature.
The invention has the beneficial effects that: the three-dimensional coating process is carried out on the decorative substrate, the texture effect treatment process is combined, the vivid various 3D stone simulation effects can be realized, particularly, the effect of natural sandstone can be effectively reproduced, the process is simple and efficient, the decorative substrate is coated by the sandstone coating in all directions, water can not enter the interface between the sandstone coating and the decorative substrate even if the decorative substrate is influenced by rain in the transportation process or the wall mounting process, and further, the bulging and cracking of the sandstone coating are effectively avoided, meanwhile, the aggregate and the emulsion are adopted as the main materials of the middle layer, the waterproof and breathable performance is good, the decorative substrate can not enter water and frost crack in winter, and the weather resistance and the service life of the sandstone heat-insulation decorative integrated plate are effectively improved; when used as a high-rise heat-insulation exterior wall cladding, the light-weight, safe and beautiful wall cladding is suitable for popularization and use.
The sandstone texture coating mainly plays a role in weather resistance, water resistance and air permeability; in addition, more importantly, the coating also serves as a base layer of the facing coating for forming the sandstone effect, the sandstone texture coating improves the texture and the texture effect, realizes vivid and extremely textured sandstone effect, and cannot obtain the sandstone texture effect without the intermediate layer of the sandstone texture formed by the sandstone texture coating.
In order to optimize the effect, the sandstone texture coating has the advantages that the sandstone texture coating has weather resistance, water resistance and air permeability functions and can also be used as a finish coating to form a base layer with sandstone effect by matching different particle sizes and dosage ratios of powder and emulsion, so that the sandstone effect with more vivid and texture is obtained; the coarse aggregate particle size can present a rougher sandstone texture, the fine aggregate particle size can present a relatively fine sandstone texture, and when the aggregate particle sizes in the sandstone texture coating coated each time are different, the aggregates with the coarse particle size and the fine particle size are matched with each other to provide a presentation basis of a proper texture effect, and the sandstone texture coating can be more uniform and fine by coating for multiple times; in addition, when different aggregate particle sizes are matched with each other, the layering and compactness of the sandstone texture coating are better, and the waterproof effect and the strength are improved. The sandstone texture coating contains a larger proportion of aggregate, and can also improve the fireproof performance. In addition, by the matching of aggregates with different particle sizes and the matching of the aggregates and a binder, particularly emulsion, the sandstone texture coating also has air permeability, can prevent water vapor from accumulating inside the coating layer, and can prevent the water vapor from freezing and expanding to damage the imitation sandstone coating under the cold weather condition.
The texture effect treatment of the invention changes the distribution of the finishing coating on the surface to be treated by means of blade coating, brush coating, wiping and the like, and partial finishing coating permeates into the sandstone texture intermediate layer to form unique stereoscopic impression due to the pressure effect, thereby more naturally forming vivid sandstone texture.
Drawings
FIG. 1 is a schematic structural diagram of a decorative substrate according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
The following orientation terms used in the present invention do not limit the scope of the present invention, and include front, back, left side, right side, upper side, and lower side, these orientation terms are only set for the purpose of clearly explaining and describing the processing procedure of different surfaces of the hexahedral decorative substrate with respect to the drawings of the present invention, any surface of the hexahedral sheet may be used as the front, the opposite surface of the front may be used as the back, four surfaces adjacent to the front are respectively used as the left, right, and upper and lower sides, wherein the left, right, and upper and lower sides are not adjacent, i.e., the upper, lower, left, right, and front and back are only defined for distinguishing different surfaces of the hexahedron, and should not be considered as limiting the scope of the present invention.
Example one
Adding a coating layer on a hexahedral decorative substrate having front and back sides, left and right side surfaces, and upper and lower side surfaces as shown in fig. 1, according to the following steps:
1) wrapping and pasting the front side, the back side, the upper side and the lower side of the decorative substrate by adopting a single piece of glass fiber gridding cloth;
2) coating sandstone texture coatings with the thickness of 0.5mm on the back surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 1) and drying;
3) coating sandstone texture coatings with the thickness of 1mm on the front surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 2), drying and cooling;
4) coating sandstone texture coatings with the thickness of 1.5mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 3), drying and cooling;
5) coating sandstone texture coatings with the thickness of 1mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 4), drying and cooling;
6) coating a layer of facing paint on the front surface, the left side surface, the right side surface and the upper side surface and the lower side surface of the decorative substrate treated in the step 5), wherein the coating amount is 0.3kg/m2Before the facing paint is dried, the front surface of the decorative substrate coated with the facing paint is subjected to blade coating by adopting a scraper or brush coating by adopting a brush or is subjected to wiping coating by adopting a porous material or a fiber material, drying, and then the front surface of the dried decorative substrate,And coating finish paint on the upper side surface, the lower side surface, the left side surface and the right side surface and drying.
The facing paint adopted by the embodiment mainly comprises colored particles and a dispersion protection liquid, wherein the colored particles comprise the following raw materials in parts by weight: 20-60 parts of emulsion (selected from EVA emulsion, acetic acid emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like), 0-0.1 part of dispersing agent, 1-10 parts of toner, 30-70 parts of water (selected from natural water, purified water, deionized water and the like), 0-5 parts of modified magnesium lithium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-5 parts of cellulose (selected from hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like), 0-10 parts of propylene glycol and 0-3 parts of defoaming agent; the dispersion protection solution comprises the following raw materials in parts by weight: 50-95 parts of water (selected from natural water, purified water, deionized water and the like), 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-1 part of polyphosphate (such as sodium tripolyphosphate), 1-20 parts of modified lithium magnesium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, and 1-30 parts of emulsion (selected from EVA emulsion, acetic emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like).
The sandstone texture coating raw materials in the steps 2), 3), 4) and 5) comprise the following components in parts by weight: 5-20 parts of water (the water can be selected from natural water, purified water, deionized water and the like), 0-0.3 part of bactericide (organic phosphorus, azole, antibiotics and the like can be selected), 0-0.5 part of cellulose ether (hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like can be selected), 0-0.2 part of dispersing agent, 5-30 parts of emulsion (EVA emulsion, acetic acid emulsion, acrylic acid emulsion, polyurethane resin, epoxy resin, alkyd resin and the like can be selected), and 50-80 parts of aggregate (natural color sand, ore sand, calcined color sand, synthetic color sand, river sand, seawater desalination sand, rock crushing particles and the like can be selected) (the aggregate is aggregate which is formed by grading the inorganic powder and is added according to the proportion of the sandstone texture coating). The aggregate is prepared by the following inorganic powder in parts by weight: 70-80 parts of 30-50 mesh inorganic powder, 0-10 parts of 50-200 mesh inorganic powder and 0-10 parts of inorganic powder with more than 200 meshes.
The water absorption rate of the decorative board area is measured according to the JGT287-2013 standard<200g/m2. The volume water absorption of the decorative board is measured according to the GB/T5486-2008 standard<2%。
Example two
The sandstone heat-preservation decoration integrated board is prepared by adding a coating on a hexahedral decoration substrate with front and back surfaces, left and right side surfaces, and upper and lower side surfaces as shown in figure 1 according to the following steps:
1) firstly, sticking and covering single glass fiber mesh cloth on the front side, the back side, the upper side and the lower side of the whole decorative substrate, then comprehensively coating a layer of cement mortar, and drying to obtain a primary blank plate;
2) coating a layer of sandstone texture coating on the outer surface of the primary blank plate prepared in the step 1), namely coating an integrated sandstone texture coating on the front side, the back side, the left side, the right side and the upper side and the lower side of the primary blank plate, and drying to obtain a secondary blank plate; wherein the sum of the thicknesses of the sandstone texture coating and the cement mortar is 1-12 mm;
3) coating finish coatings on the front, the upper side, the lower side and the left side and the right side of the secondary blank plate prepared in the step 2), before the finish coatings are dried, carrying out blade coating on the finish coatings on the front coated with the finish coatings by adopting a scraper or brushing the finish coatings by adopting a brush or wiping the finish coatings by adopting a porous material or a fiber material, and drying to obtain a final-stage blank plate;
4) and (3) coating finish paint on the front surface of the final-stage blank plate prepared in the step 3), and drying to obtain the sandstone heat-preservation and decoration integrated plate.
EXAMPLE III
The sandstone heat-preservation decoration integrated board is prepared by adding a coating on a hexahedral decoration substrate with front and back surfaces, left and right side surfaces, and upper and lower side surfaces as shown in figure 1 according to the following steps:
1) coating a layer of cement mortar on the outer surface of the whole decorative substrate, and drying to obtain a primary blank plate;
2) coating a layer of sandstone texture coating on the outer surface of the primary blank plate prepared in the step 1), namely coating an integrated sandstone texture coating on the front side, the back side, the left side, the right side and the upper side and the lower side of the primary blank plate, and drying to obtain a secondary blank plate; wherein the sum of the thicknesses of the sandstone texture coating and the cement mortar is 1-12 mm;
3) coating finish coatings on the front, the upper side, the lower side and the left side and the right side of the secondary blank plate prepared in the step 2), before the finish coatings are dried, carrying out blade coating on the finish coatings on the front coated with the finish coatings by adopting a scraper or brushing the finish coatings by adopting a brush or wiping the finish coatings by adopting a porous material or a fiber material, and drying to obtain a final-stage blank plate;
4) and (3) coating finish paint on the front surface of the final-stage blank plate prepared in the step 3), and drying to obtain the sandstone heat-preservation and decoration integrated plate.
Example four
The sandstone heat-preservation decoration integrated board is prepared by adding a coating on a hexahedral decoration substrate with front and back surfaces, left and right side surfaces, and upper and lower side surfaces as shown in figure 1 according to the following steps:
1) coating a sandstone texture coating layer with the thickness of 1-12mm on the outer surface of the whole decorative substrate, and drying to obtain a primary blank plate;
2) after coating finish coatings on the front, the upper side, the lower side and the left side and the right side of the primary blank plate prepared in the step 1), before the finish coatings are dried, carrying out blade coating on the finish coatings on the front coated with the finish coatings by adopting a scraper, brushing the finish coatings by adopting a brush, or wiping the finish coatings by adopting a porous material or a fiber material, and drying to obtain a secondary blank plate;
3) and (3) coating finish paint on the front surface of the secondary blank plate prepared in the step 2), and drying to obtain the sandstone heat-preservation decoration integrated plate.
EXAMPLE five
The sandstone heat-preservation decoration integrated board is prepared by adding a coating on a hexahedral decoration substrate with front and back surfaces, left and right side surfaces, and upper and lower side surfaces as shown in figure 1 according to the following steps:
1) firstly, sticking and covering single glass fiber mesh cloth on the front side, the back side, the upper side and the lower side of the whole decorative substrate, then completely coating and covering a layer of sandstone texture coating, and drying to obtain a primary blank plate;
2) after coating finish coatings on the front, the upper side, the lower side and the left side and the right side of the primary blank plate prepared in the step 1), before the finish coatings are dried, carrying out blade coating on the finish coatings on the front coated with the finish coatings by adopting a scraper, brushing the finish coatings by adopting a brush, or wiping the finish coatings by adopting a porous material or a fiber material, and drying to obtain a secondary blank plate;
3) and (3) coating finish paint on the front surface of the secondary blank plate prepared in the step 2), and drying to obtain the sandstone heat-preservation decoration integrated plate.
EXAMPLE six
Adding a coating layer on a hexahedral decorative substrate having front and back sides, left and right side surfaces, and upper and lower side surfaces as shown in fig. 1, according to the following steps:
1) wrapping and pasting the front side, the back side, the upper side and the lower side of the decorative substrate by adopting a single piece of glass fiber gridding cloth;
2) coating sandstone texture coatings with the thickness of 1mm on the back side, the upper side and the lower side of the decorative substrate treated in the step 1) and drying;
3) coating sandstone texture coatings with the thickness of 1.5mm on the front surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 2), drying and cooling;
4) coating sandstone texture coatings with the thickness of 1.5mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 3), drying and cooling;
5) coating sandstone texture coatings with the thickness of 1mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 4), drying and cooling;
6) coating a layer of facing paint on the front surface, the left side surface, the right side surface and the upper side surface and the lower side surface of the decorative substrate treated in the step 5), wherein the coating amount is 0.3kg/m2Before the surface of the decorative base plate is dried, the front surface of the decorative base plate coated with the decorative coating is treated by a scraping plateCoating the surface finish paint on the treated surface, drying, coating the transparent finish paint on the front surface, the upper side surface, the lower side surface and the left side surface and the right side surface of the dried decorative substrate, and drying.
The facing paint adopted by the embodiment mainly comprises colored particles and a dispersion protection liquid, wherein the colored particles comprise the following raw materials in parts by weight: 20-60 parts of emulsion (selected from EVA emulsion, acetic acid emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like), 0-0.1 part of dispersing agent, 1-10 parts of toner, 30-70 parts of water (selected from natural water, purified water, deionized water and the like), 0-5 parts of modified magnesium lithium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-5 parts of cellulose (selected from hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like), 0-10 parts of propylene glycol and 0-3 parts of defoaming agent; the dispersion protection solution comprises the following raw materials in parts by weight: 50-95 parts of water (selected from natural water, purified water, deionized water and the like), 0-1 part of bactericide (selected from organic phosphorus, azole, antibiotics and the like), 0-1 part of polyphosphate (such as sodium tripolyphosphate), 1-20 parts of modified lithium magnesium silicate (selected from RDS, S482, GTS and the like), 0-1 part of preservative, and 1-30 parts of emulsion (selected from EVA emulsion, acetic emulsion, acrylic emulsion, polyurethane resin, epoxy resin, alkyd resin and the like).
The sandstone texture coating raw materials in the steps 2), 3), 4) and 5) comprise the following components in parts by weight: 5-20 parts of water (the water can be selected from natural water, purified water, deionized water and the like), 0-0.3 part of bactericide (organic phosphorus, azole, antibiotics and the like can be selected), 0-0.5 part of cellulose ether (hydroxypropyl methyl cellulose, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and the like can be selected), 0-0.2 part of dispersing agent, 5-30 parts of emulsion (EVA emulsion, acetic acid emulsion, acrylic acid emulsion, polyurethane resin, epoxy resin, alkyd resin and the like can be selected), and 50-80 parts of aggregate (natural color sand, ore sand, calcined color sand, synthetic color sand, river sand, seawater desalination sand, rock crushing particles and the like can be selected) (the aggregate is aggregate which is formed by grading the inorganic powder and is added according to the proportion of the sandstone texture coating). The aggregate is prepared by the following inorganic powder in parts by weight: 70-80 parts of 30-50 mesh inorganic powder, 0-10 parts of 50-200 mesh inorganic powder and 0-10 parts of inorganic powder with more than 200 meshes.
The water absorption rate of the decorative board area is measured according to the JGT287-2013 standard<200g/m2. The volume water absorption of the decorative board is measured according to the GB/T5486-2008 standard<2%。
The above are merely characteristic embodiments of the present invention, and do not limit the scope of the present invention in any way. All technical solutions formed by equivalent exchanges or equivalent substitutions fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a sandstone insulation decorates intergral template which characterized in that: the decorative substrate comprises a decorative substrate, wherein at least one intermediate layer with the thickness of 1-12mm is coated on the outer surface of the decorative substrate subjected to strengthening treatment, and the strengthening treatment is that at least one strengthening layer is attached to at least one surface of the decorative substrate;
the middle layer is a sandstone texture coating; the sandstone texture coating comprises the following raw materials in parts by weight: 5-20 parts of water, 0-0.3 part of bactericide, 0-0.5 part of cellulose ether, 0-0.2 part of dispersant, 5-30 parts of emulsion and 50-80 parts of aggregate; the aggregate is prepared by the following inorganic powder in parts by weight: 5-80 parts of 10-50 mesh inorganic powder, 0-50 parts of 50-200 mesh inorganic powder and 0-20 parts of more than 200 mesh inorganic powder;
the decorative substrate is one of rock wool board, polyurethane foam board and thermosetting composite polystyrene foam insulation board or a composite board formed by any of the above boards;
the preparation method of the sandstone heat-insulation decorative integrated board comprises the following steps:
1) coating a reinforcing layer on at least one surface of the whole decorative substrate, then coating a sandstone texture coating layer with the thickness of 1-12mm on the whole surface, and drying to obtain a primary blank plate;
2) coating a finishing coating on at least one surface of the primary blank plate prepared in the step 1), carrying out texture effect treatment on the surface coated with the finishing coating before the surface of the finishing coating is dried, and drying to obtain a secondary blank plate;
3) and (3) after coating finish paint on N surfaces of the secondary blank plate prepared in the step 2), drying to obtain the sandstone heat-preservation decoration integrated plate, wherein N is more than or equal to 0 and less than or equal to the total surface number of the secondary blank plate.
2. The sandstone thermal insulation decorative integrated plate of claim 1, wherein: the sandstone texture coating mainly comprises aggregate and a binder.
3. The sandstone thermal insulation decorative integrated plate of claim 2, wherein: the aggregate is powder with uniform granularity or powder formed by grading different average grain sizes, and the binder comprises a uniform continuous dispersion system consisting of emulsion, latex, an emulsion polymer, rubber powder and water or oil.
4. The sandstone thermal insulation decorative integrated plate of claim 1, wherein: the reinforcing layer is made of fiber materials.
5. The sandstone thermal insulation decorative integrated plate of claim 1, wherein: adding a coating on a hexahedral decorative substrate with front and back surfaces, left and right side surfaces, and upper and lower side surfaces mainly according to the following steps:
1) at least one surface of the decorative substrate is pasted and covered by fiber mesh cloth;
2) coating sandstone texture coatings with the thickness of 0.2-3mm on the back surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 1) and drying;
3) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the upper side surface and the lower side surface of the decorative substrate treated in the step 2), drying and cooling;
4) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 3), drying and cooling;
5) coating sandstone texture coatings with the thickness of 0.2-3mm on the front surface, the left side surface and the right side surface of the decorative substrate treated in the step 4), drying and cooling;
6) coating a layer of finishing coating on at least one surface of the decorative substrate treated in the step 5), and performing texture effect treatment on at least one surface coated with the finishing coating before the finishing coating is dried; the total thickness of the sandstone texture coating after drying is 1-12 mm.
6. The sandstone thermal insulation decorative integrated plate of claim 1 or 5, wherein: the texture effect treatment mainly comprises the step of changing the distribution of the facing paint on the surface through external force.
7. The sandstone thermal insulation decorative integrated plate of claim 6, wherein: the texture effect treatment is one or more of blade coating of the facing coating on the surface to be treated by adopting a scraper, brush coating of the facing coating on the surface to be treated by adopting a brush, roll coating of the facing coating on the surface to be treated and wiping of the facing coating on the surface to be treated by adopting a porous material or a fiber material.
8. The sandstone thermal insulation decorative integrated plate of claim 5, wherein: after the texture effect treatment and drying in the step 6), at least the front surface of six surfaces of the dried decorative substrate is coated with finish paint and dried.
9. The sandstone thermal insulation decorative integrated plate of claim 5, wherein: aggregate of the sandstone texture coating in the steps 2), 3), 4) and 5) is prepared from the following inorganic powder in parts by weight: 70-80 parts of 30-50 mesh inorganic powder, 0-10 parts of 50-200 mesh inorganic powder and 0-10 parts of inorganic powder with more than 200 meshes.
10. The sandstone thermal insulation decorative integrated plate as claimed in claim 1 or 5, wherein: the facing paint is one or more of colorful paints; the multicolor paint mainly comprises coloring particles and a dispersion protective solution, wherein the coloring particles comprise the following raw materials in parts by weight: 20-60 parts of emulsion, 0-0.1 part of dispersant, 1-10 parts of toner, 30-70 parts of water, 0-5 parts of modified lithium magnesium silicate, 0-1 part of preservative, 0-1 part of bactericide, 0-5 parts of cellulose, 0-10 parts of propylene glycol and 0-3 parts of defoaming agent; the dispersion protection solution comprises the following raw materials in parts by weight: 50-95 parts of water, 0-1 part of bactericide, 0-1 part of polyphosphate, 1-20 parts of modified lithium magnesium silicate, 0-1 part of preservative and 1-30 parts of emulsion.
CN201811445850.7A 2018-11-29 2018-11-29 Sandstone heat-insulation and decoration integrated board and preparation method thereof Active CN109779181B (en)

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CN111827499A (en) * 2019-11-18 2020-10-27 宁波华宝石节能科技股份有限公司 Rock wool insulation board and preparation method thereof

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CN105693282A (en) * 2016-02-04 2016-06-22 广州市古玛装饰材料有限公司 Foamed ceramic decorative plate and preparation method thereof
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