Rock plate digital deployment and control superposition method for restoring stone leather surface

Abstract

The invention discloses a digital distribution and control superposition method of rock plates for reducing stone leather surfaces, which comprises the following steps: preparation of a green body: blending 10-15 parts of calcined talc, 8-12 parts of kaolin, 4-7 parts of spodumene and 4-7 parts of potassium feldspar, carrying out wet ball milling fully, then molding in a mold under the molding rolling pressure of 3.8 million tons, and obtaining the green body after molding is finished; slurry can be accurately applied to the surface of a rock plate blank according to a designed stone leather surface texture pattern, then a unique superposition treatment process is combined, the surface of the rock plate shows the texture, texture and color which are extremely similar to those of a natural stone leather surface, meanwhile, a ground glaze layer and an upper glaze layer are improved through a raw material process, and the production efficiency is improved. The excellent surface wear resistance and glossiness performance of the rock plate can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of digital control of rock slabs, and in particular to a digital control superposition method for rock slabs that restores the leather surface of stone. Background Art

[0002] In the field of building decoration materials, natural stone is highly favored for its unique texture and aesthetics. Among them, stone with a leather surface effect is widely used in high-end building decoration due to its soft touch and unique texture, such as hotel lobby floors, wall decoration of high-end villas, etc. However, natural stone has problems such as limited resources, high prices, limited specifications and sizes, and inconvenient installation and transportation. As a new type of building decoration material, rock slabs have the advantages of large size, high strength, wear resistance, and easy cleaning, and have gradually become an ideal choice to replace natural stone. However, the surface effects of rock slabs on the market are mostly concentrated on conventional textures such as imitation marble and imitation wood grain, and the degree of restoration of the leather surface effect of stone is relatively low. Based on this, the present invention further improves and processes it. Summary of the Invention

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a digital control and superposition method for rock slabs that restore the leather surface of stone, so as to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solutions: The present invention provides a digital control and superposition method for a rock slab for restoring a stone leather surface, comprising the following steps: Step 1: Preparation of the green body: 10-15 parts of calcined talc, 8-12 parts of kaolin, 4-7 parts of spodumene and 4-7 parts of potassium feldspar are mixed and wet-milled thoroughly, and then formed in a mold with a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 2-4 parts of yttrium oxide, 5-8 parts of quartz, 10-15 parts of albite, and 4-7 parts of modified barium oxide are mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 4-7 parts of aluminum oxide, 3-5 parts of silicon oxide, 5-8 parts of modified titanium oxide and 5-8 parts of bentonite are mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

[0005] Preferably, the thickness of the bottom glaze layer is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

[0006] Preferably, the preparation method of the modified barium oxide is: S1: heat treating barium oxide at 110-120°C for 1 hour, then cooling to 55°C at a rate of 2-5°C / min, and keeping the temperature to obtain heat-treated barium oxide; S2: uniformly blending 2-5 parts of chitosan solution, 1-3 parts of zirconium oxide, 3-5 parts of bismuth titanate, and 5-8 parts of lanthanum nitrate solution to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

[0007] Preferably, the mass fraction of the lanthanum nitrate solution is 2-5%; the mass fraction of the chitosan solution is 3-5%.

[0008] Preferably, the stirring speed of the stirring modification treatment is 550-750 r / min, and the stirring is for 1 hour.

[0009] Preferably, the modification method of the modified titanium oxide is: S11: 3-5 parts of high-alumina bauxite, 2-4 parts of clay, and 5-9 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume of 3-5 times the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the solution is filtered and dried to obtain modified titanium oxide.

[0010] Preferably, the ultrasonic immersion treatment is performed with an ultrasonic power of 350-400W and an ultrasonic treatment time of 1 hour.

[0011] Preferably, the carboxymethyl cellulose solution is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide.

[0012] Preferably, the mass fraction of the sodium silicate solution is 2-5%.

[0013] Preferably, the mass ratio of the carboxymethyl cellulose, sodium silicate solution and zinc oxide is (2-5):7:(1-3).

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention can accurately apply the slurry to the surface of the rock slab blank according to the designed stone leather surface texture pattern, and then combine it with a unique superimposed treatment process to make the surface of the rock slab present a texture, texture and color that is extremely similar to the natural stone leather surface. At the same time, the base glaze layer and the upper glaze layer adopt improved raw material processes to achieve excellent wear resistance and glossiness of the rock slab surface; the barium oxide is improved by heat treatment and modified by stirring with a modifying liquid to optimize the functional effect of the barium oxide in the system. At the same time, the titanium oxide is improved by impregnation with an impregnation liquid, and the obtained modified titanium oxide is added to the system to further enhance the system performance and further optimize the wear resistance and glossiness of the product. DETAILED DESCRIPTION

[0015] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] The digital control and superposition method of a rock slab for restoring the leather surface of a stone in this embodiment includes the following steps: Step 1: Preparation of the green body: 10-15 parts of calcined talc, 8-12 parts of kaolin, 4-7 parts of spodumene and 4-7 parts of potassium feldspar are mixed and wet-milled thoroughly, and then formed in a mold with a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 2-4 parts of yttrium oxide, 5-8 parts of quartz, 10-15 parts of albite, and 4-7 parts of modified barium oxide are mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 4-7 parts of aluminum oxide, 3-5 parts of silicon oxide, 5-8 parts of modified titanium oxide and 5-8 parts of bentonite are mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

[0017] The thickness of the bottom glaze layer in this embodiment is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

[0018] The preparation method of the modified barium oxide of this embodiment is: S1: heat treating barium oxide at 110-120°C for 1 hour, then cooling to 55°C at a rate of 2-5°C / min, and keeping the temperature to obtain heat-treated barium oxide; S2: uniformly blending 2-5 parts of chitosan solution, 1-3 parts of zirconium oxide, 3-5 parts of bismuth titanate, and 5-8 parts of lanthanum nitrate solution to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

[0019] The mass fraction of the lanthanum nitrate solution in this embodiment is 2-5%; the mass fraction of the chitosan solution is 3-5%.

[0020] The stirring speed of the stirring modification treatment in this embodiment is 550-750 r / min, and the stirring is for 1 hour.

[0021] The modification method of the modified titanium oxide of this embodiment is: S11: 3-5 parts of high-alumina bauxite, 2-4 parts of clay, and 5-9 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume of 3-5 times the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the solution is filtered and dried to obtain modified titanium oxide.

[0022] The ultrasonic immersion treatment in this embodiment has an ultrasonic power of 350-400 W and is carried out for 1 hour.

[0023] The carboxymethyl cellulose solution of this embodiment is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide to form the carboxymethyl cellulose solution.

[0024] The mass fraction of the sodium silicate solution in this embodiment is 2-5%.

[0025] The mass ratio of carboxymethyl cellulose, sodium silicate solution and zinc oxide in this embodiment is (2-5):7:(1-3).

[0026] Example 1. The digital control and superposition method of a rock slab for restoring the leather surface of a stone in this embodiment includes the following steps: Step 1: Preparation of the green body: 10 parts of calcined talc, 8 parts of kaolin, 4 parts of spodumene and 4 parts of potassium feldspar are mixed and wet-milled thoroughly, and then formed in a mold with a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 2 parts of yttrium oxide, 5 parts of quartz, 10 parts of albite and 4 parts of modified barium oxide are mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 4 parts of aluminum oxide, 3 parts of silicon oxide, 5 parts of modified titanium oxide and 5 parts of bentonite are mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

[0027] The thickness of the bottom glaze layer in this embodiment is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

[0028] The preparation method of the modified barium oxide of this embodiment is: S1: heat-treating barium oxide at 110°C for 1 hour, then cooling to 55°C at a rate of 2°C / min, and keeping the temperature to obtain heat-treated barium oxide; S2: 2 parts of chitosan solution, 1 part of zirconium oxide, 3 parts of bismuth titanate and 5 parts of lanthanum nitrate solution are mixed evenly to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

[0029] The mass fraction of the lanthanum nitrate solution in this embodiment is 2%; the mass fraction of the chitosan solution is 3%.

[0030] The stirring speed of the stirring modification treatment in this embodiment is 550 r / min, and the stirring is performed for 1 hour.

[0031] The modification method of the modified titanium oxide of this embodiment is: S11: 3 parts of high-alumina bauxite, 2 parts of clay, and 5 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume three times the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the titanium oxide is filtered and dried to obtain modified titanium oxide.

[0032] The ultrasonic immersion treatment in this embodiment was performed with an ultrasonic power of 350 W and an ultrasonic treatment time of 1 h.

[0033] The carboxymethyl cellulose solution of this embodiment is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide to form the carboxymethyl cellulose solution.

[0034] The mass fraction of the sodium silicate solution in this embodiment is 2%.

[0035] The mass ratio of carboxymethyl cellulose, sodium silicate solution and zinc oxide in this embodiment is 2:7:1.

[0036] Example 2. The digital control and superposition method of a rock slab for restoring the leather surface of a stone in this embodiment includes the following steps: Step 1: Preparation of the green body: 15 parts of calcined talc, 12 parts of kaolin, 7 parts of spodumene and 7 parts of potassium feldspar are mixed and wet-milled thoroughly, and then formed in a mold with a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 4 parts of yttrium oxide, 8 parts of quartz, 15 parts of albite and 7 parts of modified barium oxide were mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 7 parts of aluminum oxide, 5 parts of silicon oxide, 8 parts of modified titanium oxide and 8 parts of bentonite are mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

[0037] The thickness of the bottom glaze layer in this embodiment is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

[0038] The preparation method of the modified barium oxide of this embodiment is: S1: heat-treating barium oxide at 120°C for 1 hour, then cooling to 55°C at a rate of 5°C / min, and keeping the temperature to obtain heat-treated barium oxide; S2: 5 parts of chitosan solution, 3 parts of zirconium oxide, 5 parts of bismuth titanate and 8 parts of lanthanum nitrate solution are uniformly mixed to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

[0039] The mass fraction of the lanthanum nitrate solution in this embodiment is 5%; the mass fraction of the chitosan solution is 5%.

[0040] The stirring speed of the stirring modification treatment in this embodiment is 750 r / min, and the stirring is performed for 1 hour.

[0041] The modification method of the modified titanium oxide of this embodiment is: S11: 5 parts of high-alumina bauxite, 4 parts of clay, and 9 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume 5 times that of the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the titanium oxide is filtered and dried to obtain modified titanium oxide.

[0042] The ultrasonic immersion treatment in this embodiment was performed with an ultrasonic power of 400 W and an ultrasonic treatment time of 1 h.

[0043] The carboxymethyl cellulose solution of this embodiment is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide to form the carboxymethyl cellulose solution.

[0044] The mass fraction of the sodium silicate solution in this embodiment is 5%.

[0045] The mass ratio of carboxymethyl cellulose, sodium silicate solution and zinc oxide in this embodiment is 5:7:3.

[0046] Example 3. The digital control and superposition method of a rock slab for restoring the leather surface of a stone in this embodiment includes the following steps: Step 1: Preparation of the green body: 12.5 parts of calcined talc, 10 parts of kaolin, 5.5 parts of spodumene and 5.5 parts of potassium feldspar were mixed and wet-milled thoroughly, and then formed in a mold under a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 3 parts of yttrium oxide, 6.5 parts of quartz, 12.5 parts of albite, and 5.5 parts of modified barium oxide were mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 5.5 parts of aluminum oxide, 4 parts of silicon oxide, 6.5 parts of modified titanium oxide, and 6.5 parts of bentonite were mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

[0047] The thickness of the bottom glaze layer in this embodiment is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

[0048] The preparation method of the modified barium oxide of this embodiment is: S1: heat-treating barium oxide at 115°C for 1 hour, then cooling to 55°C at a rate of 3.5°C / min, and holding the temperature to obtain heat-treated barium oxide; S2: 3.5 parts of chitosan solution, 2 parts of zirconium oxide, 4 parts of bismuth titanate and 6.5 parts of lanthanum nitrate solution were mixed to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

[0049] The mass fraction of the lanthanum nitrate solution in this embodiment is 3.5%; the mass fraction of the chitosan solution is 4%.

[0050] The stirring speed of the stirring modification treatment in this embodiment is 600 r / min, and the stirring is for 1 hour.

[0051] The modification method of the modified titanium oxide of this embodiment is: S11: 4 parts of high-alumina bauxite, 3 parts of clay, and 7 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume 4 times that of the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the titanium oxide is filtered and dried to obtain modified titanium oxide.

[0052] The ultrasonic immersion treatment in this embodiment was performed at an ultrasonic power of 375 W and for 1 hour.

[0053] The carboxymethyl cellulose solution of this embodiment is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide to form the carboxymethyl cellulose solution.

[0054] The mass fraction of the sodium silicate solution in this embodiment is 3.5%.

[0055] The mass ratio of carboxymethyl cellulose, sodium silicate solution and zinc oxide in this embodiment is 3.5:7:2.

[0056] Comparative Example 1. The difference from Example 3 is that no modified barium oxide is added.

[0057] Comparative Example 2. The difference from Example 3 is that no modifying liquid is added to the modified barium oxide.

[0058] Comparative Example 3. The difference from Example 3 is that zirconium oxide and bismuth titanate are not added to the modified solution.

[0059] Comparative Example 4. The difference from Example 3 is that no modified titanium oxide is added.

[0060] Comparative Example 5. The difference from Example 3 is that no impregnation liquid is added to the modified titanium oxide.

[0061] The product performance tests of Examples 1-3 and Comparative Examples 1-5 are as follows:

[0062] It can be seen from Examples 1-3 and Comparative Examples 1-5 that the appearance, glossiness and wear resistance of the product of Example 3 of the present invention can be improved in a coordinated manner. At the same time, when neither modified barium oxide nor titanium oxide is added to the product, the performance of the product tends to deteriorate. The modified barium oxide prepared by the method of the present invention has the most significant performance effect, and the effects of other methods are not as significant as those of the present invention.

[0063] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

[0064] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A digital control and superposition method for rock slabs that restores the leather surface of stone, characterized in that: The following steps are involved: Step 1: Preparation of the green body: 10-15 parts of calcined talc, 8-12 parts of kaolin, 4-7 parts of spodumene and 4-7 parts of potassium feldspar are mixed and wet-milled thoroughly, and then formed in a mold with a rolling pressure of 38,000 tons to obtain a green body; Step 2: Preparation of glaze: Preparation of base glaze: 2-4 parts of yttrium oxide, 5-8 parts of quartz, 10-15 parts of albite, and 4-7 parts of modified barium oxide are mixed and wet-ball-milled to obtain a base glaze; Preparation of glaze: 4-7 parts of aluminum oxide, 3-5 parts of silicon oxide, 5-8 parts of modified titanium oxide and 5-8 parts of bentonite are mixed and wet-ball-milled to obtain a glaze; Step 3: Applying the bottom glaze and the top glaze to the body respectively to form the bottom glaze layer and the top glaze layer, wherein the bottom glaze layer and the top glaze layer are arranged from top to bottom; Step 4: Finally, sinter at 1250°C for 2 hours. Sintering is complete.

2. According to claim 1, a digital control and superposition method for rock slabs with restored stone leather surface, characterized in that: The thickness of the bottom glaze layer is 0.2 mm; the thickness of the upper glaze layer is 0.1 mm.

3. According to claim 1, a digital control and superposition method for rock slabs with restored stone leather surface, characterized in that: The preparation method of the modified barium oxide is: S1: heat treating barium oxide at 110-120°C for 1 hour, then cooling to 55°C at a rate of 2-5°C / min, and keeping the temperature to obtain heat-treated barium oxide; S2: uniformly blending 2-5 parts of chitosan solution, 1-3 parts of zirconium oxide, 3-5 parts of bismuth titanate, and 5-8 parts of lanthanum nitrate solution to obtain a modified solution; The heat-insulated barium oxide and the modified liquid are stirred and modified in a weight ratio of 3:

5. After the stirring is completed, the mixture is filtered and dried to obtain the modified barium oxide.

4. According to claim 3, a digital control and superposition method for rock slabs with restored stone leather surface, characterized in that: The mass fraction of the lanthanum nitrate solution is 2-5%; the mass fraction of the chitosan solution is 3-5%.

5. According to claim 3, a digital control and superposition method for rock slabs with restored stone leather surface, characterized in that: The stirring speed of the stirring modification treatment is 550-750 r / min, and the stirring is for 1 hour.

6. According to claim 1, a digital control and superposition method for rock slabs with restored stone leather surface, characterized in that: The modification method of the modified titanium oxide is: S11: 3-5 parts of high-alumina bauxite, 2-4 parts of clay, and 5-9 parts of carboxymethyl cellulose solution are mixed to obtain an impregnation solution; S12: The titanium oxide is immersed in an impregnation solution with a volume of 3-5 times the total amount of the titanium oxide and subjected to ultrasonic impregnation treatment. After the impregnation is completed, the solution is filtered and dried to obtain modified titanium oxide.

7. According to claim 6, a digital control and superposition method for rock slabs to restore the leather surface of stone, characterized in that: The ultrasonic immersion treatment was performed at an ultrasonic power of 350-400W for 1 hour.

8. According to claim 6, a digital control and superposition method for rock slabs to restore the leather surface of stone, characterized in that: The carboxymethyl cellulose solution is prepared by uniformly blending carboxymethyl cellulose, sodium silicate solution and zinc oxide.

9. The digital control and superposition method for rock slabs with restored stone leather surface according to claim 8 is characterized in that: The mass fraction of the sodium silicate solution is 2-5%.

10. The digital control and superposition method for rock slabs with restored stone leather surface according to claim 8, characterized in that: The mass ratio of the carboxymethyl cellulose, sodium silicate solution and zinc oxide is (2-5):7:(1-3).

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