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Graphene enhanced ceramic coating and preparation method thereof

A ceramic coating and graphene technology, applied in clay products, other household appliances, applications, etc., can solve the problems of uneven coating mixing and poor comprehensive performance, and achieve good mechanical properties, high mechanical properties, and air purification. Effect

Inactive Publication Date: 2018-08-10
FOSHAN RUNHUIHE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The patent (CN 107445654 A) discloses a functional ceramic coating, which adds graphite components to prepare functional ceramics with antibacterial and bactericidal properties. However, graphite is an inorganic substance and it is difficult to fully mix it with ceramic powder. It is used as a raw material. The prepared coating is prone to the disadvantages of uneven mixing and poor comprehensive performance

Method used

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Effect test

Embodiment approach 1

[0016] A kind of graphene reinforced ceramic coating of the present embodiment is made of the following raw materials by weight: aqueous titanate modified graphene: 5%, negative ion powder 30%, ceramic powder 60%, sintering aid 5%, Mix the above-mentioned raw materials evenly, which can be mixed by mechanical stirring, and add the uniformly mixed raw materials into absolute ethanol, the ratio of absolute ethanol to mixed raw materials is 20:1, ultrasonically disperse, and after the end, use a ball mill to grind the dispersion evenly, After sieving, it is sprayed on the surface of the substrate to obtain a graphene-enhanced ceramic coating.

Embodiment approach 2

[0018] A kind of graphene reinforced ceramic coating of the present embodiment is made of the following raw materials by weight: aqueous titanate modified graphene 10%, negative ion powder 20%, ceramic powder 55%, sintering aid 15%, will The above raw materials are mixed evenly, and can be mixed by mechanical stirring. Add the uniformly mixed raw materials to absolute ethanol, then add NaCl, the weight ratio of NaCl to modified graphene is 0.3:1, and then add weight portions of absolute ethanol The ratio to the mixed raw material is 30:1, ultrasonically dispersed, and after the end, the dispersion is evenly milled with a ball mill, sieved and sprayed on the surface of the substrate to obtain a graphene-enhanced ceramic coating.

Embodiment approach 3

[0020] A kind of graphene reinforced ceramic coating of the present embodiment is made of the following raw materials by weight: aqueous titanate modified graphene 15%, negative ion powder 25%, ceramic powder 55%, sintering aid 5%, will The above raw materials are mixed evenly, and can be mixed by mechanical stirring. Add the uniformly mixed raw materials to absolute ethanol, then add NaCl, the weight ratio of NaCl to modified graphene is 0.4:1, and then add weight portions of absolute ethanol The ratio to the mixed raw material is 30:1, ultrasonically dispersed, and after the end, the dispersion is evenly milled with a ball mill, sieved and sprayed on the surface of the substrate to obtain a graphene-enhanced ceramic coating.

[0021] The invention prepares the graphene-enhanced ceramic coating by adding graphene to the ceramic raw material. The graphene has a single-layer structure, has high electrical conductivity and high mechanical properties, and can be evenly distributed...

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Abstract

The invention discloses graphene enhanced ceramic coating and a preparation method thereof. The graphene enhanced ceramic coating is mainly prepared from the following raw materials in percentage by weight: 0.5 percent to 20 percent of modified graphene, 30 percent to 50 percent of negative ion powder, 10 percent to 60 percent of ceramic powder and 5 percent to 15 percent of sintering auxiliary agent. The graphene enhanced ceramic coating disclosed by the invention has semiconductor performance and has the advantages of bacterium inhibition and sterilization and strong mechanical properties; the graphene enhanced ceramic coating can be widely applied to sensors, heat-conducting materials and capacitive materials.

Description

technical field [0001] The invention relates to a ceramic coating, in particular to a graphene-enhanced ceramic coating. Background technique [0002] With the development of society, people's demand for ceramics no longer satisfies a single function, such as beautiful appearance and smoothness, so a kind of functional ceramics has appeared, which has the characteristics of ordinary ceramics in terms of appearance and excellent functions. Incomparable advantages. Functional ceramics include two parts, the substrate and the coating. The coating covers the surface of the substrate, which can change the shape, color, and chemical structure of the ceramic surface, endowing it with rich properties, such as wear resistance and high temperature resistance. [0003] The patent (CN 107445654 A) discloses a functional ceramic coating, which adds graphite components to prepare functional ceramics with antibacterial and bactericidal properties. However, graphite is an inorganic subst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/36
CPCC04B33/36C04B2235/3232C04B2235/3272C04B2235/3275C04B2235/408C04B2235/425C04B2235/96
Inventor 阎飞
Owner FOSHAN RUNHUIHE CHEM CO LTD
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