CN113372136A - Inorganic artificial stone plate and preparation method thereof - Google Patents
Inorganic artificial stone plate and preparation method thereof Download PDFInfo
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- CN113372136A CN113372136A CN202110773941.9A CN202110773941A CN113372136A CN 113372136 A CN113372136 A CN 113372136A CN 202110773941 A CN202110773941 A CN 202110773941A CN 113372136 A CN113372136 A CN 113372136A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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Abstract
The invention relates to the technical field of building materials, in particular to an inorganic artificial stone plate and a preparation method thereof. The preparation method comprises the following steps: preparing an inorganic artificial stone substrate; coating a hydrophilic activating agent on the inorganic artificial stone substrate, curing for the first time, coating inorganic pigment ink again, and curing for the second time to form a texture layer; and spraying mineral powder on the texture layer by a plasma spraying method to form a transparent glaze surface. The inorganic stone slab prepared by the method has high simulation degree, appearance closer to that of real stone, high surface hardness, ice moistening compactness, good durability, good wear resistance and good stain resistance, inhibits saltpetering and external erosion, and prolongs the service life of the stone.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an inorganic artificial stone plate and a preparation method thereof.
Background
Inorganic artificial stone board is the novel stone material that develops on traditional artificial stone board's basis, indicates the artificial stone board that mainly adopts raw materials such as inorganic binder, aggregate to make, does not contain the resin, does not contain organic ingredients such as glue, for traditional artificial stone, no matter produce property ability or all promote in the safety ring protects.
The aggregate used by the inorganic artificial stone plate is generally in a particle state, so that the inorganic artificial stone plate has single texture, can only be used for preparing granite or similar terrazzo products, and cannot prepare natural marble continuous texture.
In addition, when the conventional inorganic artificial stone plate is prepared, after molding, grinding and polishing, waxing or waterproof material coating is adopted to increase the glossiness of the surface of the plate and protect the surface of the plate from external pollution and corrosion. The treatment mode causes the stone plate to have lower surface hardness, poorer abrasion resistance, durability and stain resistance and poor waterproof performance, so that the application range of the products is limited, the grade of the products cannot be improved, and the quality and the service life of the products cannot be ensured.
Disclosure of Invention
Based on the inorganic artificial stone plate, the prepared inorganic artificial stone plate has high simulation degree, appearance closer to real stone, high surface hardness, ice moistening compactness, good durability, good wear resistance and good stain resistance, inhibits saltpetering and external erosion and prolongs the service life of the stone.
The technical scheme is as follows:
a preparation method of an inorganic artificial stone plate comprises the following steps:
preparing an inorganic artificial stone substrate;
coating a hydrophilic activating agent on the inorganic artificial stone substrate, curing for the first time, coating inorganic pigment ink again, and curing for the second time to form a texture layer;
and spraying mineral powder on the texture layer by a plasma spraying method to form a transparent glaze surface.
In one embodiment, the mineral powder is selected from one or more of quartz powder, diopside powder, potassium feldspar powder, and sodium feldspar powder.
In one embodiment, the mineral powder has a mesh size of 300 mesh to 450 mesh.
In one embodiment, the process parameters of the plasma spraying method include: the process parameters of the plasma spraying method comprise: the temperature of the plasma is 14500-25000 ℃, the powder feeding amount is 0.3-8.0 kg/h, and the high-pressure jet air flow is 100-150 m/s.
In one embodiment, the hydrophilic activator is selected from one or more of sodium dodecyl sulfate, polysorbate, polyoxyethylene lauryl ether, glycerol monooleate, and glycerol monostearate. The surface tension of the inorganic artificial stone substrate can be reduced.
In one embodiment, the temperature of the first curing is 60-80 ℃ and the time is 1-2 h. After the first curing, a hydrophilic layer is formed.
In one embodiment, the inorganic pigment ink comprises the following components in parts by weight:
the hydrogen bond in the aquatic easily combines with the hydrophilic group in the hydrophilic active agent, makes the ink spread more easily on the rostone base plate, changes the inside of permeating into the rostone base plate, and the matching nature of inorganic pigment ink and inorganic rostone base plate is better, and the infiltration effect is also better.
In one embodiment, the method of applying the inorganic pigment ink is ink jet printing the inorganic pigment ink. The apparent effect of ink jet printing is close to the real stone texture.
In one embodiment, the temperature of the second curing is 40-60 ℃ and the time is 2-6 min. And the second curing forms a texture layer.
In one embodiment, the preparation of the inorganic artificial stone substrate comprises the following steps:
mixing inorganic binder, aggregate and inorganic active agent to obtain a mixture, adding water into the mixture, casting and molding, curing and hardening, and then carrying out deep processing and polishing.
In one embodiment, the polishing is: polishing until the surface of the inorganic artificial stone substrate has a glossiness of not less than 85. A shiny surface is formed at this time.
In one embodiment, the inorganic binder is selected from one or more of portland cement, aluminate cement, sulphoaluminate cement, high belite cement, alkali-activated cementitious materials.
In one embodiment, the aggregate is selected from one or more of natural marble, granite, feldspar, quartz and construction waste particles.
The invention also provides an inorganic artificial stone plate prepared by the preparation method. The inorganic stone slab has high simulation degree, appearance closer to real stone, high surface hardness, ice moistening compactness, good durability, good wear resistance and good stain resistance, inhibits saltpetering and external erosion, and prolongs the service life of the stone.
Compared with the prior art, the invention has the following beneficial effects:
the texture effect can be formed by coating the pigment ink on the inorganic artificial stone substrate, and before the pigment ink is coated, the hydrophilic activator is coated on the inorganic artificial stone substrate to reduce the surface tension of the artificial stone substrate, and when inorganic pigment ink is coated subsequently, once the inorganic pigment ink contacts the hydrophilic active agent, the hydrogen bond in the ink is easy to combine with the hydrophilic group in the hydrophilic active agent, so that the ink is easier to spread on the artificial stone substrate and easier to permeate into the artificial stone substrate, thereby improving the texture precision and the coating efficiency, leading the ink to be bonded on the surface of the artificial stone substrate more firmly, finally improving the simulation degree of the artificial stone, meanwhile, the inorganic pigment ink has better matching property with the inorganic artificial stone substrate, better permeation effect and better durability and wear resistance, and is beneficial to improving the surface performance of the artificial stone plate. After the texture layer is formed by the method, the mineral powder is sprayed by a plasma spraying method, the mineral powder is melted into a molten liquid under the high energy emitted by plasma, and is sprayed to the surface of the artificial stone substrate at a certain speed by compressed air, the molten liquid is impacted on the surface of the artificial stone substrate, deformed and flattened on the surface of the artificial stone substrate, and is extremely cooled and rapidly solidified to form a layer of transparent high-strength inorganic glaze surface protective film, so that the texture of the artificial stone plate is protected, the artificial stone plate can be prevented from being corroded by the external environment, water is prevented from permeating into the artificial stone plate, and the crystallization Ca (OH) in the stone is prevented2The surface of the artificial stone is permeated, thereby generating saltpetering, affecting the beauty, and simultaneously the inorganic glaze surface protective film can improve the surface of the artificial stone plateThe strength and hardness of the surface improve the wear resistance and durability of the stone, improve the grade of the stone and prolong the service life of the stone.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Term(s) for
Unless otherwise stated or contradicted, terms or phrases used herein have the following meanings:
as used herein, the term "and/or", "and/or" includes any one of two or more of the associated listed items, as well as any and all combinations of the associated listed items, including any two of the associated listed items, any more of the associated listed items, or all combinations of the associated listed items.
As used herein, "one or more" refers to any one, any two, or any two or more of the listed items. Wherein "a plurality" means any two or more than two.
As used herein, "a combination thereof," "any combination thereof," and the like, includes all suitable combinations of any two or more of the listed items.
In the present specification, the term "suitable" in "a suitable combination, a suitable manner," any suitable manner "and the like shall be construed to mean that the technical solution of the present invention can be implemented, the technical problem of the present invention can be solved, and the technical effect of the present invention can be achieved.
Herein, "preferred" merely describes a more effective embodiment or example, and it should be understood that the scope of the present invention is not limited thereto.
In the present invention, the technical features described in the open type include a closed technical solution composed of the listed features, and also include an open technical solution including the listed features.
In the present invention, the numerical range is defined to include both end points of the numerical range unless otherwise specified.
The percentage contents referred to in the present invention mean, unless otherwise specified, mass percentages for solid-liquid mixing and solid-solid phase mixing, and volume percentages for liquid-liquid phase mixing.
The percentage concentrations referred to in the present invention refer to the final concentrations unless otherwise specified. The final concentration refers to the ratio of the additive component in the system to which the component is added.
The temperature parameter in the present invention is not particularly limited, and may be a constant temperature treatment or a treatment within a certain temperature range. The constant temperature process allows the temperature to fluctuate within the accuracy of the instrument control.
A preparation method of an inorganic artificial stone plate comprises the following steps:
preparing an inorganic artificial stone substrate;
coating a hydrophilic activating agent on the inorganic artificial stone substrate, curing for the first time, coating inorganic pigment ink again, and curing for the second time to form a texture layer;
and spraying mineral powder on the texture layer by a plasma spraying method to form a transparent glaze surface.
Before the pigment ink is coated, the hydrophilic activator is coated on the inorganic artificial stone substrate to reduce the surface tension of the artificial stone substrate, and when the inorganic pigment ink is coated subsequently, once the inorganic pigment ink contacts the hydrophilic activator, hydrogen bonds in the ink are easily combined with hydrophilic groups in the hydrophilic activator, so that the pigment ink is coated on the inorganic artificial stone substrateThe ink spreads out more easily on the rostone base plate, changes the inside that permeates into the rostone base plate to improve texture precision and coating efficiency, also make the ink more firm at rostone base plate surface bonding, finally improve the fidelity of rostone, and simultaneously, the matching nature of inorganic pigment ink and inorganic rostone base plate is better, and the infiltration effect is also better, and the durability and the wearability of inorganic pigment ink are also better, are favorable to improving rostone panel surface property. After the texture layer is formed by the method, the mineral powder is sprayed by a plasma spraying method, the mineral powder is melted into a molten liquid under the high energy emitted by plasma, and is sprayed to the surface of the artificial stone substrate at a certain speed by compressed air, the molten liquid is impacted on the surface of the artificial stone substrate, deformed and flattened on the surface of the artificial stone substrate, and is extremely cooled and rapidly solidified to form a layer of transparent high-strength inorganic glaze surface protective film, so that the texture of the artificial stone plate is protected, the artificial stone plate can be prevented from being corroded by the external environment, water is prevented from permeating into the artificial stone plate, and the crystallization Ca (OH) in the stone is prevented2Permeate the surface to produce the whiskering, influence pleasing to the eye, inorganic glaze protection film can also improve the intensity, the hardness on rostone panel surface simultaneously, improves the wearability, the durability of stone material, promotes the stone material grade, extension stone material life.
It can be understood that the inorganic artificial stone substrate is mainly made of raw materials such as inorganic binder, aggregate and the like, and does not contain resin, glue and other organic components.
Optionally, the preparation of the inorganic artificial stone substrate comprises the following steps:
mixing inorganic binder, aggregate and inorganic active agent to obtain a mixture, adding water into the mixture, casting and molding, curing and hardening, and then carrying out deep processing and polishing.
Preferably, the inorganic binder is selected from one or more of portland cement, aluminate cement, sulphoaluminate cement, high belite cement, alkali-activated cementitious materials.
Preferably, the aggregate is selected from one or more of natural marble, granite, feldspar, quartz and construction waste particles.
The deep processing comprises the steps of water jet cutting and grinding.
And forming a high-gloss surface after polishing.
Preferably, the polishing is: and polishing until the glossiness of the surface of the inorganic artificial stone substrate is not less than 85. A shiny surface is formed at this time.
As will be appreciated, gloss is measured by GB/T method for measuring specular gloss of architectural facing materials.
And (3) coating a hydrophilic activating agent on the inorganic artificial stone substrate, wherein the coating method can be brushing. Specifically, the hydrophilic activator can be uniformly coated on the surface of the inorganic artificial stone substrate by a brush.
Preferably, the hydrophilic activator is coated at a thickness of 40 μm to 100 μm.
Alternatively, the first curing may be done in an oven, oven dried and cured. A hydrophilic layer is formed.
Preferably, the temperature of the first curing is 60-80 ℃ and the time is 1-2 h.
Preferably, the hydrophilic activator is selected from one or more of sodium dodecyl sulfate, polysorbate, polyoxyethylene lauryl ether, glyceryl monooleate and glyceryl monostearate. The surface tension of the inorganic artificial stone substrate can be reduced.
The coating of the pigment ink can form texture effect and can form any pattern according to different requirements.
Preferably, the method of applying the inorganic pigment ink is ink-jet printing the inorganic pigment ink. The apparent effect of ink jet printing is close to the real stone texture.
Optionally, the inorganic pigment ink comprises the following components in parts by weight:
above-mentioned inorganic pigment ink is aqueous inorganic pigment ink, wherein the hydrogen bond in aquatic easily combines with the hydrophilic group in the hydrophilic active agent, make the ink spread out on the rostone base plate more easily, change the inside of permeating into the rostone base plate, thereby improve texture precision and coating efficiency, it is more firm also to make the ink bond on rostone base plate surface, finally improve the fidelity of rostone, and simultaneously, the matching nature of inorganic pigment ink and inorganic rostone base plate is better, the infiltration effect is also better, the durability and the wearability of inorganic pigment ink are also better, be favorable to improving rostone panel surface property.
After the ink is cured, a textured layer is formed. Alternatively, the second curing may be done in an oven, oven dried and cured.
Preferably, the temperature of the second curing is 40-60 ℃ and the time is 2-6 min.
And after the texture layer is formed, spraying mineral powder on the texture layer by a plasma spraying method to form a transparent glaze surface. Mineral powder melts into fused vaporous liquid under the high energy of plasma emission, and then is sprayed on the surface of the artificial stone substrate through high-pressure airflow, the fused liquid is impacted on the surface of the artificial stone substrate, deformed and flattened on the surface of the artificial stone substrate, and is extremely cold and rapidly solidified to form a layer of transparent high-strength inorganic glaze surface protective film, so that the texture of the artificial stone plate is protected, the artificial stone plate can be prevented from being corroded by the external environment, water is prevented from permeating into the artificial stone plate, and the crystallization Ca (OH) inside the stone is prevented2Permeate the surface to produce the whiskering, influence pleasing to the eye, inorganic glaze protection film can also improve the intensity, the hardness on rostone panel surface simultaneously, improves the wearability, the durability of stone material, promotes the stone material grade, extension stone material life.
Optionally, the mineral powder is selected from one or more of quartz powder, diopside powder, potassium feldspar powder and sodium feldspar powder.
Preferably, the mineral powder has a mesh size of 300-450 mesh.
The process parameters of the plasma spraying method comprise: the temperature of the plasma is 14500-25000 ℃, the powder feeding amount is 0.3-8.0 kg/h, and the high-pressure jet air flow is 100-150 m/s.
It is understood that the plasma is ionized from high purity 99.999% argon.
In the following, the raw materials referred to in the following specific examples are commercially available, unless otherwise specified, the equipment used, and the processes referred to, unless otherwise specified, are all routinely selected by those skilled in the art.
Comparative example 1
The comparative example provides an inorganic artificial stone plate and a preparation method thereof, and the steps are as follows:
1) preparation of inorganic Artificial substrate
And obtaining the inorganic artificial substrate with the surface glossiness of 90 Gs.
2) UV (ultraviolet light curing) printing
UV ink is utilized, ink-jet printing is carried out on the inorganic artificial substrate through a UV printer, and the UV ink is immediately cured after being exposed by ultraviolet rays after printing is finished, is firmly attached to the surface of a base material and cannot be dissolved in water or other organic solvents, so that a firm texture layer is formed.
3) UV paint finish
And (4) carrying out shower coating on the texture layer for 2 times by using a shower coating machine to obtain the inorganic artificial stone plate.
4) And (5) carrying out performance detection on the artificial stone slab.
Compared with the real natural stone, the artificial stone plate of the comparative example 1 has no ice and moist feeling on the surface, more plastic feeling and no approach to the stone appearance by the observation of human eyes observation of surface texture and hand tapping texture simultaneously combined for comparison and judgment.
The surface glossiness is about 75 by GB/T 'method for measuring specular glossiness of building decorative materials'. The Mohs hardness of the surface is 1-2H according to JG/T463-2014 Artificial quartz stone plate for building decoration. The wear resistance is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and the wear resistance is not wear-resistant. The artificial weathering resistance was measured according to JG/T463-2014 "Artificial Quartz Stone Board for architectural decoration", and the test specimens were destroyed. The waterproof and anti-permeability performance is detected according to GB/T50082-2009 Experimental method Standard for Long-term performance and durability of common concrete, and is P4 grade. The surface contamination resistance was measured according to JG/T463-2014 "Artificial Quartz Stone Board for architectural decoration" and was rated 4.
Comparative example 2
The comparative example provides an inorganic artificial stone plate and a preparation method thereof, and the steps are as follows:
1) preparation of inorganic Artificial substrate
And obtaining the inorganic artificial substrate with the surface glossiness of 90 Gs.
2) Coated hydrophilic activators
And (3) coating sodium dodecyl sulfate (hydrophilic activator) on the surface of the inorganic artificial substrate, drying and curing for 1 hour in an oven at the temperature of 60 ℃, and completely drying the surface to form a hydrophilic layer.
3) Ink for coating inorganic pigment
Preparing water-based inorganic pigment ink: 30 parts of mineral inorganic pigment, 1.0 part of starch, 0.5 part of dispersing agent, 0.3 part of defoaming agent and 68 parts of deionized water in percentage by weight, and ultrasonically stirring until the powder is completely and uniformly dispersed in the water.
And adding the water-based inorganic pigment ink into an ink-jet printer, printing corresponding textures on the hydrophilic layer, drying and curing for 2min in a drying oven at 40 ℃ after ink-jet printing is finished, and finishing surface drying to form a texture layer.
4) Waxing
Waxing the texture layer, specifically comprising the following steps: and (3) grinding the mixture by using a 2000# diamond resin soft water grinding piece until the glossiness reaches 50 degrees, then spraying XYS-A2 quick wax on a 3000# diamond resin water grinding piece, and grinding until the glossiness is greatly improved to 75 to obtain the inorganic artificial stone plate.
5) And (5) carrying out performance detection on the artificial stone slab.
Compared with the real natural stone, the artificial stone slab of the comparative example 2 has the simulation degree close to 80 percent compared with the real stone by the comparison judgment of the combination of the observation of the surface texture and the hand-knocking texture by human eyes. The surface glossiness is about 75 by GB/T 'method for measuring specular glossiness of building decorative materials'. The Mohs hardness of the surface is 1-2H according to JG/T463-2014 Artificial quartz stone plate for building decoration. The wear resistance is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and the wear resistance is not wear-resistant. The artificial weathering resistance was measured according to JG/T463-2014 "Artificial Quartz Stone Board for architectural decoration", and the test specimens were destroyed. The waterproof and anti-permeability performance is detected according to GB/T50082-2009 Experimental method Standard for Long-term performance and durability of common concrete, and is P4 grade. The surface pollution resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is 3 grade.
Example 1
The embodiment provides an inorganic artificial stone plate and a preparation method thereof, and the method comprises the following steps:
1) preparation of inorganic Artificial substrate
And obtaining the inorganic artificial substrate with the surface glossiness of 90 Gs.
2) Coated hydrophilic activators
And (3) coating sodium dodecyl sulfate (hydrophilic activator) on the surface of the inorganic artificial substrate, drying and curing for 1 hour in an oven at the temperature of 60 ℃, and completely drying the surface to form a hydrophilic layer.
3) Ink for coating inorganic pigment
Preparing water-based inorganic pigment ink: 30 parts of mineral inorganic pigment, 1.0 part of starch, 0.5 part of dispersing agent, 0.3 part of defoaming agent and 68 parts of deionized water in percentage by weight, and ultrasonically stirring until the powder is completely and uniformly dispersed in the water.
And adding the water-based inorganic pigment ink into an ink-jet printer, printing corresponding textures on the hydrophilic layer, drying and curing for 2min in a drying oven at 40 ℃ after ink-jet printing is finished, and finishing surface drying to form a texture layer.
4) Spraying mineral powder
Adding 350-mesh diopside powder into thermal spraying equipment, feeding the diopside powder into high-temperature plasma flame at the powder feeding amount of 0.5kg/h, spraying atomized mineral powder drops melted by plasma onto a texture layer by using high-pressure jet airflow at the speed of 150m/s, impacting at high speed to flatten the drops on the surface of an inorganic artificial substrate, and quickly solidifying the drops into a layer of hard, transparent and smooth vitreous body film at normal temperature to obtain the inorganic artificial stone plate.
5) And (5) carrying out performance detection on the artificial stone slab.
Compared with the real natural stone, the human eyes observe the surface texture and the hand-knocking texture simultaneously to carry out comparison and judgment, and the observation shows that the simulation degree of the artificial stone plate and the real stone in the embodiment 1 is close to 95 percent. The surface gloss was measured by GB/T method for measuring specular gloss of architectural surface materials, and found to be 85. The Mohs hardness of the surface is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and reaches 7H. The wear resistance is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and is improved by 80 percent compared with the comparison ratio 1. The artificial weathering resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 70 percent compared with the comparison ratio 1. The waterproof and anti-permeability performance is detected according to GB/T50082-2009 Experimental method Standard for Long-term performance and durability of common concrete, and is improved by 75% compared with the comparison ratio 1. The surface pollution resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 50 percent compared with the comparison ratio 1.
Example 2
The embodiment provides an inorganic artificial stone plate and a preparation method thereof, and the method comprises the following steps:
1) preparation of inorganic Artificial substrate
And obtaining the inorganic artificial substrate with the surface glossiness of 90 Gs.
2) Coated hydrophilic activators
Coating polyoxyethylene lauryl alcohol ether (hydrophilic activator) on the surface of an inorganic artificial substrate, drying and curing for 1h in an oven at the temperature of 80 ℃, and completely drying the surface to form a hydrophilic layer.
3) Ink for coating inorganic pigment
Preparing water-based inorganic pigment ink: 45 parts of mineral inorganic pigment, 5.0 parts of starch, 0.8 part of dispersing agent, 0.5 part of defoaming agent and 50 parts of deionized water in percentage by weight, and ultrasonically stirring until the powder is completely and uniformly dispersed in the water.
And adding the water-based inorganic pigment ink into an ink-jet printer, printing corresponding textures on the hydrophilic layer, drying and curing for 2min in a drying oven at 50 ℃ after ink-jet printing is finished, and finishing surface drying to form a texture layer.
4) Spraying mineral powder
Adding 325-mesh quartz powder into thermal spraying equipment, feeding the quartz powder into high-temperature plasma flame at the powder feeding amount of 1.0kg/h, spraying atomized liquid drops of the mineral powder melted by plasma onto a texture layer by using high-pressure jet airflow at the speed of 150m/s, impacting at high speed to flatten the liquid drops on the surface of an inorganic artificial substrate, cooling extremely at normal temperature, and quickly solidifying into a layer of hard, transparent and smooth vitreous body film to obtain the inorganic artificial stone plate.
5) And (5) carrying out performance detection on the artificial stone slab.
Compared with the real natural stone, the human eyes observe the surface texture and the hand-knocking texture simultaneously to carry out comparison and judgment, and the observation shows that the simulation degree of the artificial stone plate material of the embodiment 2 and the real stone is close to 97%. The surface gloss was measured to be 90 by GB/T method for measuring specular gloss of architectural surface materials. The Mohs hardness of the surface is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and reaches 8H. The wear resistance is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and is improved by 85 percent compared with the comparison ratio 1. The artificial weathering resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 65 percent compared with the comparison ratio 1. The waterproof and anti-permeability performance is detected according to GB/T50082-2009 Experimental method Standard for Long-term performance and durability of common concrete, and is improved by 80% compared with the proportion 1. The surface pollution resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 60 percent compared with the comparison ratio 1.
Example 3
The embodiment provides an inorganic artificial stone plate and a preparation method thereof, and the method comprises the following steps:
1) preparation of inorganic Artificial substrate
And obtaining the inorganic artificial substrate with the surface glossiness of 90 Gs.
2) Coated hydrophilic activators
And (3) coating glycerol monooleate (hydrophilic activator) on the surface of the inorganic artificial substrate, drying and curing for 1h in an oven at 70 ℃, and completely drying the surface to form a hydrophilic layer.
3) Ink for coating inorganic pigment
Preparing water-based inorganic pigment ink: 25 parts of mineral inorganic pigment, 3.0 parts of starch, 0.3 part of dispersing agent, 0.2 part of defoaming agent and 72 parts of deionized water in percentage by weight, and ultrasonically stirring until the powder is completely and uniformly dispersed in the water.
And adding the water-based inorganic pigment ink into an ink-jet printer, printing corresponding textures on the hydrophilic layer, drying and curing for 3min in a drying oven at 60 ℃ after ink-jet printing is finished, and finishing surface drying to form a texture layer.
4) Spraying mineral powder
Adding 450-mesh potassium feldspar powder into thermal spraying equipment, feeding into high-temperature plasma flame at the powder feeding amount of 8.0kg/h, spraying atomized mineral powder drops melted by plasma onto a texture layer by using high-pressure jet airflow at the speed of 150m/s, impacting at high speed to flatten the drops on the surface of an inorganic artificial substrate, and quickly solidifying at normal temperature to form a layer of hard, transparent and smooth vitreous body film to obtain the inorganic artificial stone plate.
5) And (5) carrying out performance detection on the artificial stone slab.
Compared with the real natural stone, the human eyes observe the surface texture and the hand-knocking texture simultaneously to carry out comparison and judgment, and the observation shows that the simulation degree of the artificial stone plate material of the embodiment 3 and the real stone is close to 95 percent. The surface gloss was measured to be 85 by GB/T method for measuring specular gloss of architectural surface materials. The Mohs hardness of the surface is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and reaches 6H. The wear resistance is detected according to JG/T463-2014 Artificial quartz stone plate for building decoration, and is improved by 70 percent compared with the comparison ratio 2. The artificial weathering resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 65 percent compared with the comparison ratio 2. The waterproof and anti-permeability performance is detected according to GB/T50082-2009 Experimental method Standard for Long-term performance and durability of common concrete, and is improved by 60% compared with the comparative example 2. The surface pollution resistance is detected according to JG/T463-2014 artificial quartz stone plate for building decoration, and is improved by 45 percent compared with the comparison ratio 2.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (13)
1. The preparation method of the inorganic artificial stone plate is characterized by comprising the following steps:
preparing an inorganic artificial stone substrate;
coating a hydrophilic activating agent on the inorganic artificial stone substrate, curing for the first time, coating inorganic pigment ink again, and curing for the second time to form a texture layer;
and spraying mineral powder on the texture layer by a plasma spraying method to form a transparent glaze surface.
2. The method of manufacturing an inorganic artificial stone panel as set forth in claim 1, wherein the mineral powder is one or more selected from the group consisting of quartz powder, diopside powder, kalite powder and albite powder.
3. The method of manufacturing an inorganic artificial stone panel as set forth in claim 2, wherein the mineral powder has a mesh size of 300-450 mesh.
4. The method for preparing an inorganic artificial stone plate as claimed in claim 3, wherein the process parameters of the plasma spraying method include: the temperature of the plasma is 14500-25000 ℃, the powder feeding amount is 0.3-8.0 kg/h, and the high-pressure jet air flow is 100-150 m/s.
5. The method of making an inorganic artificial stone panel according to any one of claims 1 to 4, wherein the hydrophilic activator is selected from one or more of sodium dodecyl sulfate, polysorbate, polyoxyethylene lauryl ether, glycerol monooleate and glycerol monostearate.
6. The method for preparing an inorganic artificial stone plate as claimed in claim 5, wherein the temperature of the first curing is 60-80 ℃ and the time is 1-2 h.
7. The method for producing an inorganic artificial stone plate as claimed in any one of claims 1 to 4, wherein the inorganic pigment ink comprises the following components in parts by weight:
8. the method of manufacturing an inorganic artificial stone panel as set forth in claim 7, wherein the method of applying the inorganic pigment ink is ink-jet printing the inorganic pigment ink.
9. The method of manufacturing an inorganic artificial stone panel as set forth in claim 1 or 8, wherein the temperature of the second curing is 40-60 ℃ for 2-6 min.
10. The method for preparing an inorganic artificial stone panel according to any one of claims 1 to 4, wherein the preparing of the inorganic artificial stone substrate comprises the steps of:
mixing inorganic binder, aggregate and inorganic active agent to obtain a mixture, adding water into the mixture, casting and molding, curing and hardening, and then carrying out deep processing and polishing.
11. The method of manufacturing an inorganic artificial stone plate as claimed in claim 10, wherein the polishing is: polishing until the surface of the inorganic artificial stone substrate has a glossiness of not less than 85.
12. The method for preparing an inorganic artificial stone plate as claimed in claim 10, wherein the inorganic binder is one or more selected from the group consisting of portland cement, aluminate cement, sulphoaluminate cement, gaebert cement, alkali-activated cementitious material;
the aggregate is selected from one or more of natural marble, granite, feldspar, quartz and construction waste particles.
13. An inorganic artificial stone board, characterized by being produced by the production method according to any one of claims 1 to 12.
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