CN-121975207-A - Graphene stone plastic hollow plate and preparation method thereof

Abstract

The invention discloses a graphene stone plastic hollow plate and a preparation method thereof, wherein the hollow plate comprises, by weight, 20-30 parts of nano silver graphene composite material, 60-80 parts of matrix resin, 10-20 parts of calcium oxide and 5-10 parts of dispersing agent. According to the invention, the pyrene butyric acid is used for modifying graphene oxide, silver ions are added to carry out carboxyl coupling with pyrene butyric acid, and the graphene oxide is bridged into a three-dimensional network structure to form an electron transmission channel, so that the conductivity of the graphene is enhanced, and the graphene has a good antistatic effect.

Inventors

• CAO CHENGQIU

Assignees

• 壹佳(湖北)新材料科技有限公司

Dates

Publication Date

20260505

Application Date

20240202

Claims (10)

1. 1. The graphene stone plastic hollow plate is characterized by comprising, by weight, 20-30 parts of nano silver graphene composite material, 60-80 parts of matrix resin, 10-20 parts of calcium oxide and 5-10 parts of dispersing agent; the preparation method of the nano silver graphene composite material comprises the following steps: Firstly, pyrene butyric acid and graphene oxide are stirred and mixed to obtain a solution A; secondly, adding nano silver powder into the solution A to enable silver ions to be carboxyl-coupled with pyrene butyric acid to obtain a solution B; And thirdly, finally carrying out suction filtration and annealing on the solution B to obtain the nano silver graphene composite material.
2. 2. The graphene stone plastic hollow plate according to claim 1, wherein after silver ions and pyrene butyric acid are subjected to carboxyl coupling, graphene oxide is bridged into a three-dimensional network structure, so that the conductivity of the graphene is improved.
3. 3. The graphene stone plastic hollow plate according to claim 1 is characterized by comprising the following raw materials, by weight, 20 parts of a nano silver graphene composite material, 60 parts of a matrix resin, 10 parts of calcium oxide and 5 parts of a dispersing agent.
4. 4. The graphene stone plastic hollow plate according to claim 1 is characterized by comprising the following raw materials, by weight, 25 parts of nano silver graphene composite material, 70 parts of matrix resin, 15 parts of calcium oxide and 8 parts of dispersing agent.
5. 5. The graphene stone plastic hollow plate according to claim 1 is characterized by comprising the following raw materials, by weight, 30 parts of a nano silver graphene composite material, 80 parts of a matrix resin, 20 parts of calcium oxide and 10 parts of a dispersing agent.
6. 6. The graphene stone plastic hollow plate according to claim 1, wherein the dispersing agent is polyethylene wax or ethylene bis stearamide.
7. 7. The graphene stone-plastic hollow plate according to claim 1, wherein the matrix resin comprises at least one of polyethylene, polypropylene, polylactic acid, ethylene-vinyl alcohol copolymer, acrylonitrile-butadiene-styrene copolymer, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, polyamide, or polycarbonate.
8. 8. The method for preparing the graphene stone plastic hollow plate according to any one of claims 1 to 7, which is characterized by comprising the following steps: s1, preparing a material, namely obtaining a nano silver graphene composite material, matrix resin, calcium oxide and a dispersing agent according to parts by weight; S2, stirring, namely sequentially adding the nano silver graphene composite material, the matrix resin, the calcium oxide and the dispersing agent into a vessel of an ultrasonic nano material disperser according to a proportion to carry out ultrasonic dispersion to obtain a mixture; s3, feeding, namely heating and melting the mixture, and feeding the mixture into an extruder for feeding; S4, extrusion molding, namely debugging a die in the extruder, setting the rotating speed of a screw in the extruder to be 400-550rpm, extruding and molding through the extruder, extruding and molding, introducing the extruded and molded material into the die, and performing die casting and cooling to obtain the hollow plate.
9. 9. The method for preparing a graphene stone plastic hollow plate according to claim 8, wherein the ultrasonic dispersion time is 25-35 minutes.
10. 10. The method for preparing a graphene stone plastic hollow plate according to claim 9, wherein the extrusion pressure of the extruder is controlled to be 95-110MPa.

Description

Graphene stone plastic hollow plate and preparation method thereof Technical Field The invention relates to the technical field of hollow plates, in particular to a graphene stone plastic hollow plate and a preparation method thereof. Background The hollow cardboard box is a common turnover transport box for electronic devices, but the cardboard box is easy to damage in the use process, has poor waterproof and moistureproof properties, and affects the safety of the electronic devices stored in the cardboard box. At present, in order to solve the technical problems existing in the use process of the cardboard box, the plastic box starts to replace the cardboard box to carry out turnover transportation on electronic devices, the plastic box is mostly processed by plastic hollow plates, but static electricity is easy to generate in the turnover transportation process of the plastic hollow plates, and the normal use of the electronic devices can be influenced by the generation of the static electricity. Therefore, how to solve the above technical problems is a technical problem that needs to be solved in the current hollow board production technical field. Disclosure of Invention The invention provides a graphene stone plastic hollow plate and a preparation method thereof, which are used for solving the problems in the background technology. In order to achieve the above purpose, the present invention adopts the following technical scheme: the graphene stone plastic hollow plate comprises, by weight, 20-30 parts of a nano silver graphene composite material, 60-80 parts of a matrix resin, 10-20 parts of calcium oxide and 5-10 parts of a dispersing agent; the preparation method of the nano silver graphene composite material comprises the following steps: Firstly, pyrene butyric acid and graphene oxide are stirred and mixed to obtain a solution A; secondly, adding nano silver powder into the solution A to enable silver ions to be carboxyl-coupled with pyrene butyric acid to obtain a solution B; And thirdly, finally carrying out suction filtration and annealing on the solution B to obtain the nano silver graphene composite material. According to the technical scheme, after silver ions and pyrene butyric acid are subjected to carboxyl coupling, graphene oxide is bridged into a three-dimensional network structure, so that the conductivity of the graphene is improved. The technical scheme is further improved by comprising the following raw materials, by weight, 20 parts of nano silver graphene composite material, 60 parts of matrix resin, 10 parts of calcium oxide and 5 parts of dispersing agent. The technical scheme is further improved by comprising the following raw materials, by weight, 25 parts of nano silver graphene composite material, 70 parts of matrix resin, 15 parts of calcium oxide and 8 parts of dispersing agent. The technical scheme is further improved by the following raw materials, by weight, 30 parts of nano silver graphene composite material, 80 parts of matrix resin, 20 parts of calcium oxide and 10 parts of dispersing agent. As a further improvement scheme of the technical scheme, the dispersing agent is polyethylene wax or ethylene bis-stearamide. As a further improvement of the technical scheme, the matrix resin comprises at least one of polyethylene, polypropylene, polylactic acid, ethylene-vinyl alcohol copolymer, acrylonitrile-butadiene-styrene copolymer, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, polyamide or polycarbonate. The invention also provides a preparation method of the graphene stone plastic hollow plate, which specifically comprises the following steps: s1, preparing a material, namely obtaining a nano silver graphene composite material, matrix resin, calcium oxide and a dispersing agent according to parts by weight; S2, stirring, namely sequentially adding the nano silver graphene composite material, the matrix resin, the calcium oxide and the dispersing agent into a vessel of an ultrasonic nano material disperser according to a proportion to carry out ultrasonic dispersion to obtain a mixture; s3, feeding, namely heating and melting the mixture, and feeding the mixture into an extruder for feeding; S4, extrusion molding, namely debugging a die in the extruder, setting the rotating speed of a screw in the extruder to be 400-550rpm, extruding and molding through the extruder, extruding and molding, introducing the extruded and molded material into the die, and performing die casting and cooling to obtain the hollow plate. As a further improvement of the technical scheme, the ultrasonic dispersion time is 25-35 minutes. As a further improvement scheme of the technical scheme, the extrusion pressure of the extruder is controlled to be 95-110MPa. Compared with the prior art, the invention has the beneficial effects that: according to the invention, the pyrene butyric acid is used for modifying graphene oxide, silver ions are added to carry out carboxyl