A rock slab with a shimmering effect and its preparation method

Abstract

This invention discloses a slab with a crystalline effect. The slab includes a blank layer, on the surface of which a glaze modifier is applied to form a glaze modifier layer. The glaze modifier comprises the following raw materials in parts by weight: 5-8 parts potassium feldspar, 4-7 parts calcined talc, 3-5 parts modified translucent stone agent, 3-5 parts calcium oxide, 2-4 parts barium oxide, 1-3 parts cobalt oxide, and 2-4 parts strontium carbonate modifier. The slab with a crystalline effect of this invention is formed by applying the glaze modifier. The glaze modifier uses potassium feldspar, calcined talc, calcium oxide, barium oxide, and cobalt oxide as a matrix. By adding strontium carbonate modifier and modified translucent stone agent, the two are synergistically enhanced, improving the crystalline effect of the product and increasing its stain resistance and easy-to-clean properties. Simultaneously, the product exhibits significant improvements in scrub resistance and alkali corrosion resistance.

Description

Technical Field

[0001] This invention relates to the field of sintered stone technology, specifically to a sintered stone with a shimmering effect and its preparation method. Background Technology

[0002] Ceramic slabs have become increasingly popular in the market due to their high strength, hardness, and decorative appeal. They can be used not only for conventional wall and floor decorations but also for countertops, cabinet doors, drawer doors, screens, and more.

[0003] The glaze used in existing sintered stone slabs, in order to improve the shimmering effect, tends to have poor stain resistance and easy cleaning properties. At the same time, the products have poor scrubbing resistance and alkali corrosion resistance, which further limits the efficiency of product use. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the purpose of this invention is to provide a rock slab with a shimmering effect and a method for preparing the same, so as to solve the problems mentioned in the background art.

[0005] The present invention solves the technical problem by adopting the following technical solution:

[0006] This invention provides a slab with a shimmering effect. The slab includes a blank layer, and a glaze modifier is applied to the surface of the blank layer to form a glaze modifier layer. The glaze modifier comprises the following raw materials in parts by weight:

[0007] Potassium feldspar 5-8 parts, calcined talc powder 4-7 parts, modified translucent stone agent 3-5 parts, calcium oxide 3-5 parts, barium oxide 2-4 parts, cobalt oxide 1-3 parts, strontium carbonate modifier 2-4 parts.

[0008] Preferably, the glaze modifier comprises the following raw materials in parts by weight:

[0009] Potassium feldspar 6.5 parts, calcined talc powder 5.5 parts, modified translucent stone agent 4 parts, calcium oxide 4 parts, barium oxide 3 parts, cobalt oxide 2 parts, strontium carbonate modifier 3 parts.

[0010] Preferably, the modified translucent stone agent is prepared by:

[0011] S1: Irradiate the translucent stone in a proton irradiation chamber for 5-10 minutes at 350-400W. After irradiation, the irradiated translucent stone is obtained.

[0012] S2: Add 3-5 parts of wollastonite and 1-3 parts of carboxymethyl cellulose to 5-8 parts of sodium dodecylbenzenesulfonate solution, and then add 1-2 parts of silane coupling agent KH560. Mix thoroughly to obtain wollastonite agent.

[0013] S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1000-1500 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent.

[0014] Preferably, the sodium dodecylbenzenesulfonate solution has a mass fraction of 2-5%.

[0015] Preferably, the strontium carbonate modifier is prepared by:

[0016] S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution;

[0017] S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution;

[0018] S13: Mix strontium carbonate solution and nano zinc solution at a weight ratio of 5:2 and ball mill them at a speed of 500-1000 r / min for 2 hours. After ball milling, wash with water and dry to obtain strontium carbonate modifier.

[0019] Preferably, the sodium lignosulfonate solution has a mass fraction of 2-5%; and the yttrium nitrate solution has a mass fraction of 3-6%.

[0020] Preferably, the modified nano zinc oxide is prepared by:

[0021] The modified solution is prepared by mixing 2-4 parts urea, 1-3 parts lanthanum chloride solution and 2-4 parts sodium silicate solution evenly.

[0022] The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 65-75℃ for 5-10 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

[0023] By using nano-zinc oxide and a modified liquid for synergistic formulation, it can better complement strontium carbonate solution, thereby further improving the product's performance.

[0024] Preferably, the lanthanum chloride solution has a mass fraction of 2-5%; and the sodium silicate solution has a mass fraction of 4-7%.

[0025] This invention also provides a method for preparing a slab with a shimmering effect, comprising the following steps: wet ball milling the raw materials in the glaze modifier for 1-2 hours at a ball milling speed of 1000 r / min; after ball milling, the glaze modifier is obtained; the glaze modifier is applied to the body layer, and the amount of glaze applied is... Finally, the sintering temperature is 1250℃ for 50-60 minutes. After sintering, a rock slab with a shimmering effect is obtained.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The slab with a shimmering effect of this invention is made by applying a glaze modifier. The glaze modifier uses potassium feldspar, calcined talc, calcium oxide, barium oxide, and cobalt oxide as the matrix. By adding strontium carbonate modifier and translucent stone modifier, the two work together to enhance the effect. The resulting glaze modifier improves the shimmering effect of the product and enhances its stain resistance and easy-to-clean properties. At the same time, the product shows significant improvements in scrub resistance and alkali corrosion resistance. The translucent stone modifier is made by proton irradiation of translucent stone to optimize its activity. It is then further improved by wollastonite agent, resulting in further enhanced product performance. In addition, the translucent stone modifier can further synergize with the strontium carbonate modifier, thus further improving the product performance. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to specific examples. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] This embodiment provides a slab with a shimmering effect. The slab includes a blank layer, and a glaze modifier is applied to the surface of the blank layer to form a glaze modifier layer. The glaze modifier includes the following raw materials in parts by weight:

[0030] Potassium feldspar 5-8 parts, calcined talc powder 4-7 parts, modified translucent stone agent 3-5 parts, calcium oxide 3-5 parts, barium oxide 2-4 parts, cobalt oxide 1-3 parts, strontium carbonate modifier 2-4 parts.

[0031] The glaze modifier in this embodiment comprises the following raw materials in parts by weight:

[0032] Potassium feldspar 6.5 parts, calcined talc powder 5.5 parts, modified translucent stone agent 4 parts, calcium oxide 4 parts, barium oxide 3 parts, cobalt oxide 2 parts, strontium carbonate modifier 3 parts.

[0033] The preparation method of the modified translucent stone agent in this embodiment is as follows:

[0034] S1: Irradiate the translucent stone in a proton irradiation chamber for 5-10 minutes at 350-400W. After irradiation, the irradiated translucent stone is obtained.

[0035] S2: Add 3-5 parts of wollastonite and 1-3 parts of carboxymethyl cellulose to 5-8 parts of sodium dodecylbenzenesulfonate solution, and then add 1-2 parts of silane coupling agent KH560. Mix thoroughly to obtain wollastonite agent.

[0036] S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1000-1500 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent.

[0037] The sodium dodecylbenzenesulfonate solution in this embodiment has a mass fraction of 2-5%.

[0038] The preparation method of the strontium carbonate modifier in this embodiment is as follows:

[0039] S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution;

[0040] S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution;

[0041] S13: Mix strontium carbonate solution and nano zinc solution at a weight ratio of 5:2 and ball mill them at a speed of 500-1000 r / min for 2 hours. After ball milling, wash with water and dry to obtain strontium carbonate modifier.

[0042] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 2-5%; the yttrium nitrate solution has a mass fraction of 3-6%.

[0043] The preparation method of the modified nano zinc oxide in this embodiment is as follows:

[0044] The modified solution is prepared by mixing 2-4 parts urea, 1-3 parts lanthanum chloride solution and 2-4 parts sodium silicate solution evenly.

[0045] The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 65-75℃ for 5-10 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

[0046] In this embodiment, the lanthanum chloride solution has a mass fraction of 2-5%; the sodium silicate solution has a mass fraction of 4-7%.

[0047] This embodiment describes a method for preparing a slab with a shimmering effect, comprising the following steps: wet ball milling the raw materials in the glaze modifier for 1-2 hours at a milling speed of 1000 r / min; after milling, the glaze modifier is obtained; the glaze modifier is then applied to the body layer, with an application amount of [missing information]. Finally, the sintering temperature is 1250℃ for 50-60 minutes. After sintering, a rock slab with a shimmering effect is obtained.

[0048] Example 1.

[0049] This embodiment provides a slab with a shimmering effect. The slab includes a blank layer, and a glaze modifier is applied to the surface of the blank layer to form a glaze modifier layer. The glaze modifier includes the following raw materials in parts by weight:

[0050] Five parts potassium feldspar, four parts calcined talc powder, three parts modified translucent stone agent, three parts calcium oxide, two parts barium oxide, one part cobalt oxide, and two parts strontium carbonate modifier.

[0051] The preparation method of the modified translucent stone agent in this embodiment is as follows:

[0052] S1: Irradiate the translucent stone in a proton irradiation chamber for 5 minutes at 350W. After irradiation, the irradiated translucent stone is obtained.

[0053] S2: Add 3 parts wollastonite and 1 part carboxymethyl cellulose to 5 parts sodium dodecylbenzene sulfonate solution, then add 1 part silane coupling agent KH560 and mix thoroughly to obtain wollastonite agent;

[0054] S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent.

[0055] The sodium dodecylbenzenesulfonate solution in this embodiment has a mass fraction of 2%.

[0056] The preparation method of the strontium carbonate modifier in this embodiment is as follows:

[0057] S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution;

[0058] S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution;

[0059] S13: Strontium carbonate solution and nano zinc solution are mixed at a weight ratio of 5:2 and ball-milled at a speed of 500 r / min for 2 hours. After ball milling, the mixture is washed with water and dried to obtain strontium carbonate modifier.

[0060] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 2%; the yttrium nitrate solution has a mass fraction of 3%.

[0061] The preparation method of the modified nano zinc oxide in this embodiment is as follows:

[0062] The modified solution was obtained by mixing 2 parts urea, 1 part lanthanum chloride solution and 2 parts sodium silicate solution evenly.

[0063] The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 65℃ for 5 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

[0064] In this embodiment, the lanthanum chloride solution has a mass fraction of 2%; the sodium silicate solution has a mass fraction of 4%.

[0065] This embodiment describes a method for preparing a slab with a shimmering effect, comprising the following steps: wet ball milling the raw materials in the glaze modifier for 1 hour at a milling speed of 1000 r / min; after milling, the glaze modifier is obtained; the glaze modifier is then applied to the body layer, with an application amount of [missing information]. Finally, the sintering temperature was 1250℃ for 50 minutes, and the sintering was completed to obtain a rock slab with a shimmering effect.

[0066] Example 2.

[0067] This embodiment provides a slab with a shimmering effect. The slab includes a blank layer, and a glaze modifier is applied to the surface of the blank layer to form a glaze modifier layer. The glaze modifier includes the following raw materials in parts by weight:

[0068] 8 parts potassium feldspar, 7 parts calcined talc powder, 5 parts modified translucent stone agent, 5 parts calcium oxide, 4 parts barium oxide, 3 parts cobalt oxide, and 4 parts strontium carbonate modifier.

[0069] The preparation method of the modified translucent stone agent in this embodiment is as follows:

[0070] S1: Irradiate the translucent stone in a proton irradiation chamber for 10 minutes at 400W. After irradiation, the irradiated translucent stone is obtained.

[0071] S2: Add 5 parts wollastonite and 3 parts carboxymethyl cellulose to 8 parts sodium dodecylbenzene sulfonate solution, then add 2 parts silane coupling agent KH560 and mix thoroughly to obtain wollastonite agent;

[0072] S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1500 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent.

[0073] The sodium dodecylbenzenesulfonate solution in this embodiment has a mass fraction of 5%.

[0074] The preparation method of the strontium carbonate modifier in this embodiment is as follows:

[0075] S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution;

[0076] S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution;

[0077] S13: Strontium carbonate solution and nano zinc solution are mixed at a weight ratio of 5:2 and ball-milled at a speed of 1000 r / min for 2 hours. After ball milling, the mixture is washed with water and dried to obtain strontium carbonate modifier.

[0078] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 5%; the yttrium nitrate solution has a mass fraction of 6%.

[0079] The preparation method of the modified nano zinc oxide in this embodiment is as follows:

[0080] The modified solution was obtained by mixing 4 parts urea, 3 parts lanthanum chloride solution and 4 parts sodium silicate solution evenly.

[0081] The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 75℃ for 10 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

[0082] In this embodiment, the lanthanum chloride solution has a mass fraction of 5%; the sodium silicate solution has a mass fraction of 7%.

[0083] This embodiment describes a method for preparing a slab with a shimmering effect, comprising the following steps: wet ball milling the raw materials in the glaze modifier for 2 hours at a speed of 1000 r / min; after ball milling, the glaze modifier is obtained; the glaze modifier is then applied to the body layer, with an application amount of [missing information]. Finally, the sintering temperature was 1250℃ for 60 minutes, and the sintering was completed to obtain a rock slab with a shimmering effect.

[0084] Example 3.

[0085] This embodiment provides a slab with a shimmering effect. The slab includes a blank layer, and a glaze modifier is applied to the surface of the blank layer to form a glaze modifier layer. The glaze modifier includes the following raw materials in parts by weight:

[0086] Potassium feldspar 6.5 parts, calcined talc powder 5.5 parts, modified translucent stone agent 4 parts, calcium oxide 4 parts, barium oxide 3 parts, cobalt oxide 2 parts, strontium carbonate modifier 3 parts.

[0087] The preparation method of the modified translucent stone agent in this embodiment is as follows:

[0088] S1: Irradiate the translucent stone in a proton irradiation chamber for 7.5 minutes at 370W. After irradiation, the irradiated translucent stone is obtained.

[0089] S2: Add 4 parts wollastonite and 2 parts carboxymethyl cellulose to 6.5 parts sodium dodecylbenzene sulfonate solution, then add 1.5 parts silane coupling agent KH560 and mix thoroughly to obtain wollastonite agent;

[0090] S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1250 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent.

[0091] The sodium dodecylbenzenesulfonate solution in this embodiment has a mass fraction of 3.5%.

[0092] The preparation method of the strontium carbonate modifier in this embodiment is as follows:

[0093] S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution;

[0094] S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution;

[0095] S13: Strontium carbonate solution and nano zinc solution were mixed at a weight ratio of 5:2 and ball-milled at a speed of 750 r / min for 2 hours. After ball milling, the mixture was washed with water and dried to obtain strontium carbonate modifier.

[0096] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 3.5%; the yttrium nitrate solution has a mass fraction of 4.5%.

[0097] The preparation method of the modified nano zinc oxide in this embodiment is as follows:

[0098] The modified solution was obtained by mixing 3 parts urea, 2 parts lanthanum chloride solution and 3 parts sodium silicate solution evenly.

[0099] The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 70℃ for 7.5 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

[0100] In this embodiment, the lanthanum chloride solution has a mass fraction of 3.5%; the sodium silicate solution has a mass fraction of 5.5%.

[0101] This embodiment describes a method for preparing a slab with a shimmering effect, comprising the following steps: wet ball milling the raw materials in the glaze modifier for 1.5 hours at a milling speed of 1000 r / min; after milling, the glaze modifier is obtained; the glaze modifier is then applied to the body layer, with an application amount of [missing information]. Finally, the sintering temperature was 1250℃ for 55 minutes, and the sintering was completed to obtain a rock slab with a shimmering effect.

[0102] Comparative Example 1.

[0103] Unlike Example 3, no modified translucent stone agent was added.

[0104] Comparative Example 2.

[0105] Unlike Example 3, no wollastonite agent was added in the preparation of the modified translucent stone agent.

[0106] Comparative Example 3.

[0107] Unlike Example 3, no wollastonite or carboxymethyl cellulose was added to the wollastonite agent.

[0108] Comparative Example 4.

[0109] Unlike Example 3, no strontium carbonate modifier was added.

[0110] Comparative Example 5.

[0111] Unlike Example 3, no nano-zinc liquid was added in the preparation of the strontium carbonate modifier.

[0112] Comparative Example 6.

[0113] Unlike Example 3, no modified nano zinc oxide was added to the nano zinc liquid.

[0114] Comparative Example 7.

[0115] Unlike Example 3, no modification liquid treatment was used in the preparation of modified nano zinc oxide.

[0116] The product performance tests of Examples 1-3 and Comparative Examples 1-7 involved placing the products under a 2% sodium hydroxide alkaline mist environment for 24 hours and then wiping them 10 times under a 5N load. The test results are as follows:

[0117]

[0118] As can be seen from Comparative Examples 1-7 and Examples 1-3, the product of the present invention can achieve a coordinated improvement in terms of distinct layers, vibrant colors, and stain resistance, while the product also exhibits significant scrub resistance and stability.

[0119] The product performance deteriorates significantly when either modified translucent stone agent or strontium carbonate modifier is not added. Furthermore, the product performance also deteriorates when either wollastonite or carboxymethyl cellulose is not added during the preparation of the modified translucent stone agent, or when nano-zinc liquid is not added during the preparation of the strontium carbonate modifier, or when modified nano-zinc oxide is not added during the preparation of the nano-zinc oxide, or when a modifying liquid treatment is not used during the preparation of the modified nano-zinc oxide. The product performance is most significantly improved when different methods are used to obtain the raw materials; other methods are not as effective as the results of this invention.

[0120] 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 implemented 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 exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

[0121] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A slab of rock with a shimmering effect, the slab comprising a blank layer, characterized in that, A glaze modifier is applied to the surface of the body layer to form a glaze modified layer. The glaze modifier comprises the following raw materials in parts by weight: Potassium feldspar 5-8 parts, calcined talc powder 4-7 parts, modified translucent stone agent 3-5 parts, calcium oxide 3-5 parts, barium oxide 2-4 parts, cobalt oxide 1-3 parts, strontium carbonate modifier 2-4 parts; The preparation method of modified translucent stone agent is as follows: S1: Irradiate the translucent stone in a proton irradiation chamber for 5-10 minutes at 350-400W. After irradiation, the irradiated translucent stone is obtained. S2: Add 3-5 parts of wollastonite and 1-3 parts of carboxymethyl cellulose to 5-8 parts of sodium dodecylbenzenesulfonate solution, and then add 1-2 parts of silane coupling agent KH560. Mix thoroughly to obtain wollastonite agent. S2: The irradiated translucent stone and wollastonite agent are mixed at a weight ratio of 5:3 and ball-milled at a speed of 1000-1500 r / min for 1 hour. After ball milling, the mixture is washed with water and dried to obtain the modified translucent stone agent. The preparation method of the strontium carbonate modifier is as follows: S11: Strontium carbonate and sodium lignosulfonate solution are mixed at a weight ratio of 2:5 to obtain strontium carbonate solution; S12: Add the modified nano zinc oxide to the yttrium nitrate solution at a weight ratio of 4:7 and stir until well mixed to obtain nano zinc solution; S13: Mix strontium carbonate solution and nano zinc solution at a weight ratio of 5:2 and ball mill them at a speed of 500-1000 r / min for 2 hours. After ball milling, wash with water and dry to obtain strontium carbonate modifier.

2. The rock slab with a shimmering effect according to claim 1, characterized in that, Glaze modifiers include the following raw materials in parts by weight: Potassium feldspar 6.5 parts, calcined talc powder 5.5 parts, modified translucent stone agent 4 parts, calcium oxide 4 parts, barium oxide 3 parts, cobalt oxide 2 parts, strontium carbonate modifier 3 parts.

3. The slab with a shimmering effect according to claim 2, characterized in that, The sodium dodecylbenzenesulfonate solution has a mass fraction of 2-5%.

4. A rock slab with a shimmering effect according to claim 3, characterized in that, The sodium lignosulfonate solution has a mass fraction of 2-5%; the yttrium nitrate solution has a mass fraction of 3-6%.

5. A rock slab with a shimmering effect according to claim 4, characterized in that, The method for preparing the modified nano zinc oxide is as follows: The modified solution is prepared by mixing 2-4 parts urea, 1-3 parts lanthanum chloride solution and 2-4 parts sodium silicate solution evenly. The modified nano zinc oxide is obtained by heat-treating the nano zinc oxide at 65-75℃ for 5-10 minutes, then spraying the surface with a modification liquid to wet the surface, and finally washing and drying it with water.

6. A rock slab with a shimmering effect according to claim 5, characterized in that, The lanthanum chloride solution has a mass fraction of 2-5%; the sodium silicate solution has a mass fraction of 4-7%.

7. A method for preparing a rock slab with a shimmering effect as described in any one of claims 1-6, characterized in that, The process includes the following steps: wet ball milling the raw materials for the glaze modifier for 1-2 hours at a speed of 1000 r / min. After ball milling, the glaze modifier is obtained. The glaze modifier is then applied to the body layer at a rate of 280 g / m². 2 Finally, the sintering temperature is 1250℃ for 50-60 minutes. After sintering, a rock slab with a shimmering effect is obtained.

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