Graphene oxide composite ceramic blank enhancer and application thereof

A technology of ceramic body and graphene, applied in the field of ceramic industry, can solve the problems of increasing the viscosity of the body slurry, inconvenience and the like

Inactive Publication Date: 2016-11-23
UNION FOSHAN CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the reinforcing agents commonly used in domestic ceramic production include carboxymethyl cellulose, polyvinyl alcohol, etc., but adding these reinforcing agents will increase the viscosity of the green body slurry, which brings great inconvenience to ceramic production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0015] Example 1

[0016] A graphene oxide composite ceramic body reinforcing agent, which is composed of the following components, which are uniformly stirred and mixed: 10 parts of graphene oxide, 5 parts of bentonite, 10 parts of sodium tripolyphosphate, and 65 parts of water, which are uniformly stirred and mixed.

[0017] Ceramic production line test: The ceramic blank used in the present invention is the standard formula soil of a certain ceramic company in Foshan. Before the ceramic blank is ball-milled to produce a ball, a graphene oxide composite ceramic blank reinforcing agent is added according to 0.6% of the dry mass of the ceramic blank, and the ball is milled. After completion, proceed to the next preparation process. After testing, the flow time of the ceramic slurry in the Tu-4 cup is 40.39s, which is close to the flow time (36.38s) of the slurry without the reinforcing agent in the Tu-4 cup, which can meet the actual production needs of the ceramic factory; The

Example Embodiment

[0018] Example 2

[0019] A graphene oxide composite ceramic body reinforcing agent is composed of the following components, which are uniformly stirred and mixed: 20 parts of graphene oxide, 2 parts of kaolin, 5 parts of sodium tripolyphosphate, and 70 parts of water.

[0020] Ceramic production line test: The ceramic blank used in the present invention is the standard formula soil of a certain ceramic company in Foshan. Before the ceramic blank is ball-milled, the graphene oxide composite ceramic blank reinforcement is added according to 0.2% of the dry mass of the ceramic blank. After the ball milling is completed, enter the next preparation process. After testing, the flow time of the ceramic slurry in the Tu-4 cup is 38.59s, which is close to the flow time (36.38s) of the slurry without the reinforcing agent in the Tu-4 cup, which can meet the actual production needs of the ceramic factory; The green strength is increased by 56% compared with that without reinforcing agent,

Example Embodiment

[0021] Example 3

[0022] A graphene oxide composite ceramic body reinforcing agent is composed of the following components, which are uniformly stirred and mixed: 11 parts of graphene oxide, 5 parts of Foshan standard black mud, 6 parts of 40% sodium polyacrylate, and 68 parts of water.

[0023] Ceramic production line test: the ceramic blank used in the present invention is the standard formula soil of a certain ceramic company in Foshan. Before the ceramic blank is ball-milled, the graphene oxide composite ceramic blank reinforcing agent is added according to 0.1% of the dry mass of the ceramic blank. After the ball milling is completed, enter the next preparation process. After testing, the flow time of the ceramic slurry in the Tu-4 cup is 38.68s, which is close to the flow time (36.37s) of the slurry without the reinforcing agent in the Tu-4 cup, which can meet the actual production needs of the ceramic factory; The green strength increased by 50% compared with that withou

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PUM

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Abstract

The invention relates to graphene oxide composite ceramic blank enhancer, composed of 10-25 parts of graphene oxide, 2-10 parts of an inorganic adhesive, 2-10 parts of an organic dispersant, and 60-70 parts of water, wherein the graphene oxide is prepared by Hummers method, Staudenmaier method, electrochemical method and Brodie method; hydroxyl groups in the graphene oxide are used as anchor groups to be adsorbed to the surface of blank particles, sulfonate ions in graphene are dispersed in water, steric hindrance is provided, agglomerating rarely occurs, the graphene oxide and the dispersant are synergic in dispersing, and the usage of the dispersant is reduced; before balls are discharged by ceramic blank ball milling, the graphene oxide ceramic blank enhancer is added accounting for 0.1-0.6% of dry basis weight of blank material; after the blank material is shaped, green body strength, dryness strength and glazing strength of a blank are greatly improved, and the strength increase is far higher than that of the blank added with the same amount of carboxymethyl cellulose.

Description

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Claims

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Application Information

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Owner UNION FOSHAN CHEM
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