Preparation method of large-size mold rock plate super-black blank product

Abstract

The invention discloses a preparation method of a large-size mold rock plate super-black blank product. The preparation method comprises the following steps: weighing the following raw materials in parts by weight: 35-40 parts of iron-ore slag, 10-15 parts of kaolin, 3-5 parts of a modified zirconium oxide agent, 8-12 parts of a black material, 2-4 parts of sodium tripolyphosphate, 4-7 parts of a modified functional agent and 15-20 parts of water. According to the rock plate super-black blank product, the iron-ore slag and the kaolin are used as matrixes, the black material and the sodium tripolyphosphate are added to serve as functional auxiliaries, and meanwhile the modified zirconium oxide agent and the modified functional agent are added to achieve a synergistic effect, so that the blackness performance, impact resistance and wear resistance of the obtained super-black blank product are improved in a coordinated mode, and the scrubbing-resistant stability effect of the product is remarkable.

Description

Technical Field

[0001] The present invention relates to the technical field of mold rock slabs, and in particular to a method for preparing a large-scale mold rock slab ultra-black blank product. Background Art

[0002] With the development of the building decoration industry, rock slabs have become a popular new decorative material due to their high hardness, wear resistance, and easy cleaning properties. Black rock slabs are experiencing growing market demand due to their unique texture and decorative effects. However, existing black rock slabs have many shortcomings in terms of blackness, specifications, and overall performance.

[0003] The existing mold rock plate material has poor blackness performance. At the same time, the impact resistance and wear resistance of the rock plate are difficult to coordinate and improve with the blackness performance. In addition, the product has poor scrub resistance and stability, which limits the product's use efficiency. Summary of the Invention

[0004] In view of the defects of the prior art, the purpose of the present invention is to provide a method for preparing large-scale mold rock slab ultra-black blank products to solve the problems raised in the above background technology.

[0005] The present invention solves the technical problem by adopting the following technical solutions: The present invention provides a method for preparing a large-scale mold rock slab super black blank product, comprising the following steps: Step 1: weigh the raw materials according to weight: 35-40 parts of iron slag, 10-15 parts of kaolin, 3-5 parts of modified zirconia agent, 8-12 parts of black material, 2-4 parts of sodium tripolyphosphate, 4-7 parts of modified functional agent and 15-20 parts of water; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three, the ball abrasive is placed in a mold and molded for 1 hour at a molding pressure of 100 MPa. The molding is completed, and finally the ball abrasive is sintered at 1200-1250°C for 2 hours. The sintering is completed to obtain an ultra-black blank product.

[0006] Preferably, the preparation method of the modified zirconium oxide agent is: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with a volume 3-5 times the total volume of zirconium oxide to obtain a zirconium oxide solution; Adding 5-8% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: Blend 2-4 parts of flaky talc powder and 1-3 parts of feldspar powder into 5-8 parts of yttrium nitrate solution and stir evenly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

[0007] Preferably, the mass fraction of the sodium lignin sulfonate solution is 5-8%; the mass fraction of the yttrium nitrate solution is 2-5%.

[0008] Preferably, the mixing and ball milling treatment is performed at a ball milling speed of 1200-1500 r / min, and the ball milling is performed for 2 hours.

[0009] Preferably, the preparation method of the modifier is: 3-5 parts of silicon carbide whiskers, 2-3 parts of bentonite and 1-3 parts of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

[0010] Preferably, the sintering temperature of the blending sintering process is 350-370° C., and the sintering time is 1 hour.

[0011] Preferably, the preparation method of the modified functional agent is: S11: 2-3 parts of samarium chloride and 1-2 parts of bismuth titanate are mixed and added to 5-8 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 350-400W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain the modified functional agent.

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

[0013] Preferably, the ultrasonic treatment is performed at an ultrasonic power of 350-400W for 1 hour.

[0014] Preferably, the outer diameter of the carbon nanotubes is 20-30 nm and the length is 5-8 μm.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The ultra-black base product of the rock slab of the present invention is based on iron slag and kaolin. Black material and sodium tripolyphosphate are added as functional additives, and modified zirconium oxide agent and modified functional agent are added to coordinate and synergize the two. The blackness performance, impact resistance and wear resistance of the ultra-black base product are coordinated and improved, and the scrub resistance and stability of the product are significantly improved. The modified zirconium oxide agent adopts zirconium oxide to be blended and dispersed with sodium lignin sulfonate solution, and then improved with an additive obtained by blending flaky talcum powder, feldspar powder and yttrium nitrate solution. At the same time, the modified agent is improved by blending and sintering silicon carbide whiskers, bentonite and lanthanum oxide. The performance coordination of the product is optimized through the coordination and matching between the raw materials. At the same time, the modified functional agent is added by proton irradiating carbon nanotubes to stimulate its active efficiency, and then combined with samarium chloride and bismuth titanate to obtain a hydrochloric acid dopamine solution to improve and optimize the functional agent. The performance of the product is further improved through the coordination between the raw materials. DETAILED DESCRIPTION

[0016] 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.

[0017] The method for preparing a large-scale mold rock slab super black blank product of this embodiment includes the following steps: Step 1: weigh the raw materials according to weight: 35-40 parts of iron slag, 10-15 parts of kaolin, 3-5 parts of modified zirconia agent, 8-12 parts of black material, 2-4 parts of sodium tripolyphosphate, 4-7 parts of modified functional agent and 15-20 parts of water; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three, the ball abrasive is placed in a mold and molded for 1 hour at a molding pressure of 100 MPa. The molding is completed, and finally the ball abrasive is sintered at 1200-1250°C for 2 hours. The sintering is completed to obtain an ultra-black blank product.

[0018] Preferably, the preparation method of the modified zirconium oxide agent is: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with a volume 3-5 times the total volume of zirconium oxide to obtain a zirconium oxide solution; Adding 5-8% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: Blend 2-4 parts of flaky talc powder and 1-3 parts of feldspar powder into 5-8 parts of yttrium nitrate solution and stir evenly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

[0019] The mass fraction of the sodium lignin sulfonate solution in this embodiment is 5-8%; the mass fraction of the yttrium nitrate solution is 2-5%.

[0020] The mixing and ball milling treatment in this embodiment is performed at a ball milling speed of 1200-1500 r / min for 2 h.

[0021] The preparation method of the modifier of this embodiment is as follows: 3-5 parts of silicon carbide whiskers, 2-3 parts of bentonite and 1-3 parts of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

[0022] The sintering temperature of the blending sintering process in this embodiment is 350-370° C., and the sintering time is 1 hour.

[0023] The preparation method of the modified functional agent of this embodiment is: S11: 2-3 parts of samarium chloride and 1-2 parts of bismuth titanate are mixed and added to 5-8 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 350-400W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain the modified functional agent.

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

[0025] The ultrasonic treatment in this embodiment has an ultrasonic power of 350-400 W and is carried out for 1 hour.

[0026] The carbon nanotubes of this embodiment have an outer diameter of 20-30 nm and a length of 5-8 μm.

[0027] Example 1. The method for preparing a large-scale mold rock slab super black blank product of this embodiment includes the following steps: Step 1: weigh the raw materials according to weight: 35 parts of iron slag, 10 parts of kaolin, 3 parts of modified zirconium oxide, 8 parts of black material, 2 parts of sodium tripolyphosphate, 4 parts of modified functional agent and 15 parts of water; the black material is a composite of carbon black and iron oxide in a weight ratio of 3:2; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three: put the ball abrasive into the mold and shape it for 1 hour with a molding pressure of 100 MPa. Finally, sinter it at 1200°C for 2 hours to obtain the super black blank product.

[0028] The preparation method of the modified zirconium oxide agent is as follows: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with an amount 3 times the total amount of zirconium oxide to obtain a zirconium oxide liquid; Adding an additive in an amount of 5% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: Blend 2 parts of flaky talc powder and 1 part of feldspar powder into 5 parts of yttrium nitrate solution and stir evenly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

[0029] The mass fraction of the sodium lignin sulfonate solution in this embodiment is 5%; the mass fraction of the yttrium nitrate solution is 2%.

[0030] The mixing and ball milling process in this embodiment was performed at a ball milling speed of 1200 r / min for 2 h.

[0031] The preparation method of the modifier of this embodiment is as follows: 3 parts of silicon carbide whiskers, 2 parts of bentonite and 1 part of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

[0032] The sintering temperature of the blending sintering process in this embodiment is 350° C., and the sintering time is 1 hour.

[0033] The preparation method of the modified functional agent of this embodiment is: S11: 2 parts of samarium chloride and 1 part of bismuth titanate are mixed and added to 5 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 350 W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain a modified functional agent.

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

[0035] The ultrasonic treatment in this embodiment was performed with an ultrasonic power of 350 W and for 1 hour.

[0036] The carbon nanotubes in this embodiment have an outer diameter of 20 nm and a length of 5 μm.

[0037] Example 2. The method for preparing a large-scale mold rock slab super black blank product of this embodiment includes the following steps: Step 1: weigh the raw materials according to weight: 40 parts of iron slag, 15 parts of kaolin, 5 parts of modified zirconia agent, 12 parts of black material, 4 parts of sodium tripolyphosphate, 7 parts of modified functional agent and 20 parts of water; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three: place the ball abrasive into the mold and shape it for 1 hour at a molding pressure of 100 MPa. Finally, sinter it at 1250°C for 2 hours to obtain an ultra-black blank product.

[0038] The preparation method of the modified zirconium oxide agent of this embodiment is: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with a volume 5 times the total volume of zirconium oxide to obtain a zirconium oxide liquid; Adding 8% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: Blend 4 parts of flaky talc powder and 3 parts of feldspar powder into 8 parts of yttrium nitrate solution and stir evenly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

[0039] The mass fraction of the sodium lignin sulfonate solution in this embodiment is 8%; the mass fraction of the yttrium nitrate solution is 5%.

[0040] The mixing and ball milling process in this embodiment was performed at a ball milling speed of 1500 r / min for 2 h.

[0041] The preparation method of the modifier of this embodiment is as follows: 5 parts of silicon carbide whiskers, 3 parts of bentonite and 3 parts of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

[0042] The sintering temperature of the blending sintering process in this embodiment is 370° C., and the sintering time is 1 hour.

[0043] The preparation method of the modified functional agent of this embodiment is: S11: 3 parts of samarium chloride and 2 parts of bismuth titanate are mixed and added to 8 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 400 W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain a modified functional agent.

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

[0045] The ultrasonic treatment in this embodiment was performed with an ultrasonic power of 400 W and ultrasonic treatment for 1 hour.

[0046] The carbon nanotubes in this embodiment have an outer diameter of 30 nm and a length of 8 μm.

[0047] Example 3. The method for preparing a large-scale mold rock slab super black blank product of this embodiment includes the following steps: Step 1: weigh the raw materials according to weight: 37.5 parts of iron slag, 12.5 parts of kaolin, 4 parts of modified zirconium oxide agent, 10 parts of black material, 3 parts of sodium tripolyphosphate, 5.5 parts of modified functional agent and 17.5 parts of water; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three: put the ball abrasive into the mold and shape it for 1 hour with a molding pressure of 100 MPa. Finally, sinter it at 1225°C for 2 hours to obtain the super black blank product.

[0048] The preparation method of the modified zirconium oxide agent of this embodiment is: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with a volume 4 times the total volume of zirconium oxide to obtain a zirconium oxide solution; Adding 6.5% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: 3 parts of flaky talc powder and 2 parts of feldspar powder were blended and added into 6.5 parts of yttrium nitrate solution and stirred uniformly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

[0049] The mass fraction of the sodium lignin sulfonate solution in this embodiment is 6.5%; the mass fraction of the yttrium nitrate solution is 3.5%.

[0050] The mixing and ball milling treatment in this embodiment was performed at a ball milling speed of 1350 r / min and the ball milling was performed for 2 h.

[0051] The preparation method of the modifier of this embodiment is as follows: 4 parts of silicon carbide whiskers, 2.5 parts of bentonite and 2 parts of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

[0052] The sintering temperature of the blending sintering process in this embodiment is 360° C., and the sintering time is 1 hour.

[0053] The preparation method of the modified functional agent of this embodiment is: S11: 2.5 parts of samarium chloride and 1.5 parts of bismuth titanate are mixed and added to 6.5 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 375 W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain the modified functional agent.

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

[0055] The ultrasonic treatment in this embodiment was performed at an ultrasonic power of 375 W and for 1 hour.

[0056] The carbon nanotubes in this embodiment have an outer diameter of 25 nm and a length of 6.5 μm.

[0057] Comparative Example 1. The difference from Example 3 is that no modified zirconium oxide agent is added.

[0058] Comparative Example 2. The difference from Example 3 is that no additives are added during the preparation of the modified zirconium oxide agent.

[0059] Comparative Example 3. The difference from Example 3 is that no modifier is added in the preparation of the modified zirconia agent.

[0060] Comparative Example 4. The difference from Example 3 is that no modifying functional agent is added.

[0061] Comparative Example 5. The difference from Example 3 is that no functional agent is added to the modified functional agent.

[0062] The product performance tests of Examples 1-3 and Comparative Examples 1-5 are as follows:

[0063] It can be seen from Examples 1-3 and Comparative Examples 1-5 that the blackness, impact resistance and wear resistance of the product of Example 3 of the present invention are relatively excellent, and the scratch resistance and stability of the product are remarkable; however, when no modified zirconia agent and no modified functional agent are added, the performance of the product deteriorates significantly. When no additives are added in the preparation of the modified zirconia agent, no modifier is added in the preparation of the modified zirconia agent, and no functional agent is added to the modified functional agent, the performance of the product tends to deteriorate to varying degrees. Only when the product raw materials are obtained by the method of the present invention, the performance effect of the product is most significant.

[0064] 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.

[0065] 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 method for preparing large-scale mold rock slab super black blank products, characterized in that: The following steps are involved: Step 1: weigh the raw materials according to weight: 35-40 parts of iron slag, 10-15 parts of kaolin, 3-5 parts of modified zirconia agent, 8-12 parts of black material, 2-4 parts of sodium tripolyphosphate, 4-7 parts of modified functional agent and 15-20 parts of water; Step 2: The above raw materials are mixed and ball-milled thoroughly at a ball-milling speed of 1000 r / min for 2 h to obtain a ball-milled material; Step three, the ball abrasive is placed in a mold and molded for 1 hour at a molding pressure of 100 MPa. The molding is completed, and finally the ball abrasive is sintered at 1200-1250°C for 2 hours. The sintering is completed to obtain an ultra-black blank product.

2. The method for preparing a large-scale mold rock slab super black blank product according to claim 1, characterized in that: The preparation method of the modified zirconium oxide agent is: S1: Stir zirconium oxide evenly in a sodium lignin sulfonate solution with a volume 3-5 times the total volume of zirconium oxide to obtain a zirconium oxide solution; Adding 5-8% of the total amount of the zirconium oxide liquid to the zirconium oxide liquid, blending and stirring thoroughly to obtain a zirconium oxide-based additive liquid; The preparation method of the additive is: Blend 2-4 parts of flaky talc powder and 1-3 parts of feldspar powder into 5-8 parts of yttrium nitrate solution and stir evenly to obtain an additive; S2: The zirconium oxide-based additive liquid and the modifier are mixed in a weight ratio of 5:3 and subjected to ball milling. After the ball milling is completed, the mixture is filtered and dried to obtain a modified zirconium oxide agent.

3. The method for preparing a large-scale mold rock slab super black blank product according to claim 2, characterized in that: The mass fraction of the sodium lignin sulfonate solution is 5-8%; the mass fraction of the yttrium nitrate solution is 2-5%.

4. The method for preparing a large-scale mold rock slab super black blank product according to claim 2, characterized in that: The mixing and ball milling treatment is performed at a ball milling speed of 1200-1500 r / min for 2 hours.

5. The method for preparing a large-scale mold rock slab super black blank product according to claim 2, characterized in that: The preparation method of the modifier comprises the following steps: 3-5 parts of silicon carbide whiskers, 2-3 parts of bentonite and 1-3 parts of lanthanum oxide are mixed and sintered, and the modifier is obtained after the sintering is completed.

6. The method for preparing a large-scale mold rock slab super black blank product according to claim 5, characterized in that: The sintering temperature of the blending sintering process is 350-370° C., and the sintering time is 1 hour.

7. The method for preparing a large-scale mold rock slab super black blank product according to claim 1, characterized in that: The preparation method of the modified functional agent is: S11: 2-3 parts of samarium chloride and 1-2 parts of bismuth titanate are mixed and added to 5-8 parts of dopamine hydrochloride solution and stirred evenly to obtain a functional agent; S12: irradiating the carbon nanotubes in a proton irradiation box for 1 hour at an irradiation power of 350-400W. After the irradiation is completed, ultrasonically treating the irradiated carbon nanotubes and the functional agent in a weight ratio of 3:5, and then filtering and drying to obtain the modified functional agent.

8. The method for preparing a large-scale mold rock slab super black blank product according to claim 7, characterized in that: The mass fraction of the dopamine hydrochloride solution is 2-5%.

9. The method for preparing a large-scale mold rock slab super black blank product according to claim 7, characterized in that: The ultrasonic treatment was performed at an ultrasonic power of 350-400W for 1 hour.

10. The method for preparing a large-scale mold rock slab super black blank product according to claim 7, characterized in that: The carbon nanotubes have an outer diameter of 20-30 nm and a length of 5-8 μm.

Images