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CN-121850529-A - Inorganic quartz stone plate and preparation method thereof

CN121850529ACN 121850529 ACN121850529 ACN 121850529ACN-121850529-A

Abstract

The invention provides an inorganic quartz stone plate which is prepared from the following raw materials, by weight, 48-52 parts of quartz sand, 30-40 parts of quartz powder, 6-9 parts of a reinforcing agent, 24-28 parts of cement, 4-6 parts of active powder, 7-10 parts of a water reducing agent, 3-5 parts of a toughening agent, 1-2 parts of an auxiliary agent and 15-18 parts of water. The invention also provides a preparation method of the inorganic quartz stone plate. The inorganic quartz stone plate provided by the invention has higher hardness and better toughness, folding resistance and water resistance.

Inventors

  • Gong Chengjing
  • DENG XIAOLU
  • WU JINJIE
  • Shu anning

Assignees

  • 湖北欧铂利新材料有限公司
  • 湖北欧铂利新材料有限公司

Dates

Publication Date
20260414
Application Date
20260123
Priority Date
20260123

Claims (10)

  1. 1. The inorganic quartz stone plate is characterized by being prepared from the following raw materials, by weight, 48-52 parts of quartz sand, 30-40 parts of quartz powder, 6-9 parts of a reinforcing agent, 24-28 parts of cement, 4-6 parts of active powder, 7-10 parts of a water reducing agent, 3-5 parts of a toughening agent, 1-2 parts of an auxiliary agent and 15-18 parts of water.
  2. 2. The inorganic quartz stone plate as recited in claim 1, wherein the granularity of the quartz sand is 40 meshes, and the granularity of the quartz powder is 400 meshes.
  3. 3. The inorganic quartz stone plate as recited in claim 1, wherein the reinforcing agent is kaolin with a granularity of 200 meshes.
  4. 4. The inorganic quartz stone plate as recited in claim 1, wherein the cement is P.W 52.5.5 white cement.
  5. 5. The inorganic quartz stone plate as recited in claim 1, wherein the active powder is fly ash with a particle size of 200 meshes.
  6. 6. The inorganic quartz stone plate as recited in claim 1, wherein the water reducer is a polycarboxylate water reducer.
  7. 7. The inorganic quartz stone plate as recited in claim 1, wherein the toughening agent is prepared by the following steps: Adding chitosan into a phosphate buffer solution, stirring for 20 minutes at 50 ℃ to obtain a chitosan solution, adding EDC, HCl and NHS into the chitosan solution, stirring for 20 minutes at 50 ℃ to obtain a reaction solution, stirring for 2-3 hours at 60 ℃ to obtain a solid matter, washing the solid matter with deionized water for 3 times, and drying in an oven to obtain the toughening agent.
  8. 8. The inorganic quartz stone slab as recited in claim 7, wherein in the preparing step of the toughening agent, the pH value of the phosphate buffer solution is 6.0, the ratio of chitosan, phosphate buffer solution, EDC, HCl, NHS and hydroxypropyl methylcellulose is 1.5g to 100mL to 1g to 0.4g to 2g, and the drying temperature is 50 ℃.
  9. 9. The inorganic quartz stone plate as recited in claim 1, wherein the auxiliary agent is trimethylsilyl silicate.
  10. 10. The preparation method of the inorganic quartz stone plate according to any one of claims 1 to 9, which is characterized by comprising the following steps: S1, weighing raw materials according to parts by weight, adding quartz sand and quartz powder into a stirrer, and stirring until the raw materials are uniformly mixed to obtain a first mixture; s2, adding other raw materials into the first mixture obtained in the step S1, and stirring until the mixture is in a flowing state to obtain a second mixture; S3, distributing the mixture II obtained in the step S2 into a die, conveying the die into a vacuum press, vacuumizing to-0.1 MPa, and performing vacuum pressing under the pressure of 7-10MPa to obtain a pressed material; S4, curing the pressed material obtained in the step S3 at 60-80 ℃ for 2-3 hours to obtain a cured material, and fixing the thickness of the cured material and polishing to obtain the inorganic quartz stone plate.

Description

Inorganic quartz stone plate and preparation method thereof Technical Field The invention relates to a plate, in particular to an inorganic quartz plate and a preparation method thereof. Background The artificial quartz stone as one kind of building decorating material has similar application scene to natural stone, such as granite, marble, etc. and ceramic, and may be used in decoration of various building surfaces, such as floor, inner and outer wall, table board, etc. The color of the product is rich, the texture of the product is good, the product has the characteristics of environmental protection and durability, the product is accepted by the market in recent years, and the market share of the product is in an increasing trend. The artificial quartz stone can be classified into an organic quartz stone and an inorganic quartz stone according to the cementing material used. The inorganic artificial stone is mainly prepared by taking inorganic matters such as cement and the like as cementing materials, adding quartz sand, additives and the like, and pressing, and has certain advantages in the aspects of environmental protection, durability, difficult deformation and the like because no or a small amount of organic matters are used. However, compared with the organic quartz stone, the traditional inorganic quartz stone has poor toughness and general fracture resistance and water resistance. Disclosure of Invention The invention aims to solve the technical problem of providing an inorganic quartz stone plate which has higher hardness, better toughness, folding resistance and water resistance. In order to solve the technical problems, the technical scheme of the invention is as follows: The inorganic quartz stone plate is prepared from the following raw materials, by weight, 48-52 parts of quartz sand, 30-40 parts of quartz powder, 6-9 parts of a reinforcing agent, 24-28 parts of cement, 4-6 parts of active powder, 7-10 parts of a water reducer, 3-5 parts of a toughening agent, 1-2 parts of an auxiliary agent and 15-18 parts of water. Further, the granularity of the quartz sand is 40 meshes, and the granularity of the quartz powder is 400 meshes. Further, the reinforcing agent is kaolin with the granularity of 200 meshes. Further, the cement of the present invention is P.W 52.5.5 white cement. Further, the active powder is fly ash with the granularity of 200 meshes. Further, the water reducer is a polycarboxylate water reducer. Further, the toughening agent disclosed by the invention is prepared by the following steps: Adding chitosan into a phosphate buffer solution, stirring for 20 minutes at 50 ℃ to obtain a chitosan solution, adding EDC, HCl and NHS into the chitosan solution, stirring for 20 minutes at 50 ℃ to obtain a reaction solution, stirring for 2-3 hours at 60 ℃ to obtain a solid matter, washing the solid matter with deionized water for 3 times, and drying in an oven to obtain the toughening agent. Further, in the preparation step of the toughening agent, the pH value of a phosphate buffer solution is 6.0, the proportion of chitosan, the phosphate buffer solution, EDC (electronic control unit) (HCl), NHS (N-hydroxysuccinimide) and hydroxypropyl methylcellulose is 1.5g to 100mL to 1g to 0.4g to 2g, the drying temperature is 50 ℃, the Chinese name of EDC (electronic control unit) (HCl) is 1-ethyl- (3-dimethylaminopropyl) carbodiimide hydrochloride, and the Chinese name of NHS is N-hydroxysuccinimide. Further, the auxiliary agent is trimethylsilyl silicate. Another technical problem to be solved by the invention is to provide a preparation method of the inorganic quartz stone plate, In order to solve the technical problems, the technical scheme is as follows: the preparation method of the inorganic quartz stone plate comprises the following steps: S1, weighing raw materials according to parts by weight, adding quartz sand and quartz powder into a stirrer, and stirring until the raw materials are uniformly mixed to obtain a first mixture; s2, adding other raw materials into the first mixture obtained in the step S1, and stirring until the mixture is in a flowing state to obtain a second mixture; S3, distributing the mixture II obtained in the step S2 into a die, conveying the die into a vacuum press, vacuumizing to-0.1 MPa, and performing vacuum pressing under the pressure of 7-10MPa to obtain a pressed material; S4, curing the pressed material obtained in the step S3 at 60-80 ℃ for 2-3 hours to obtain a cured material, and fixing the thickness of the cured material and polishing to obtain the inorganic quartz stone plate. Compared with the prior art, the invention has the following beneficial effects: 1) The inorganic quartz stone plate is mainly prepared from quartz sand, quartz powder, reinforcing agent, cement, active powder and the like, does not contain organic resin, is free from high-temperature firing, is environment-friendly and energy-saving, and has the advantages of acid and alkali resis