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Graphene-purple sands composite material, purple sand container produced by composite material and production method thereof

A composite material and graphene technology, applied in the field of ceramics, can solve problems affecting ceramic mechanical properties, heat transfer properties, dispersion, etc., achieve high sintering efficiency and quality, improve crystal density, and have a wide range of applications

Active Publication Date: 2017-03-01
JINAN SHENGQUAN GROUP SHARE HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when carbon materials such as graphene are combined with ceramic materials, a big difficulty lies in dispersion. Often due to uneven dispersion, there are many defects inside the ceramic, which affects the overall mechanical properties and heat transfer properties of the ceramic.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] (1) Ingredients:

[0075] Prepare 96% of purple sand blanks, 1% of graphene A, 1% of sodium tripolyphosphate, and 2% of water glass. Wherein the blank, graphene and water glass are pre-mixed, and sodium tripolyphosphate is used separately.

[0076] (2) Mixing

[0077] Prepared raw materials are mixed by wet ball milling method, dissolving sodium tripolyphosphate in water, then preparing sodium tripolyphosphate aqueous solution and premixed material into a slurry with a solid content of 60%, and ball milling after mixing evenly. The ball-to-material ratio is 3:1, and the ball milling time is 10 hours.

[0078] (3) Sieving, pressing and forming

[0079] The slurry after ball milling has good fluidity and is convenient for sieving, and the mesh size is selected as 100 mesh. After sieving, the solid content is increased to 80% by press filtration, and the mud cake is stale for a period of time. Then enter the molding and demoulding process.

[0080] (4) Sintering

[...

Embodiment 2

[0083] (1) Ingredients:

[0084] Prepare 97% of purple sand blanks, 0.5% of graphene A, 1.5% of polyethylene glycol (molecular weight 400), and 1% of water glass. Wherein, the blank, graphene and water glass are pre-mixed, and polyethylene glycol is used separately.

[0085] (2) Mixing

[0086] The prepared raw materials are mixed by wet ball milling method, polyethylene glycol is dissolved in ethanol, and then the polyethylene glycol-ethanol mixture and the premix are formulated into a slurry with a solid content of 70%, and then an appropriate amount of ammonia water is added to make the slurry The overall material maintains a weak alkaline pH of 9, and ball milling is carried out after mixing evenly. The ball-to-material ratio is 4:1, and the ball milling time is 15 hours.

[0087] (3) Sieving, pressing and forming

[0088] The slurry after ball milling has good fluidity and is convenient for sieving, and the mesh size is selected as 120 mesh. Because ethanol is very v...

Embodiment 3

[0092] (1) Ingredients:

[0093] Prepare purple sand blank 92%, graphene A3%, ammonium polyacrylate 2% (molecular weight 2000), water glass 3%. Wherein, the blank, graphene and water glass are pre-mixed, and the ammonium polyacrylate is used separately.

[0094] (2) Mixing

[0095]The prepared raw materials are mixed by wet ball milling method, ammonium polyacrylate is dissolved in water, and then an appropriate amount of ammonia water is added to make the overall pH value of the solution be 9. The solution and the premix are formulated into a slurry with a solid content of 50%, and then an appropriate amount of ammonia water is added to keep the slurry as a whole weakly alkaline, and ball milling is performed after uniform mixing. The ball-to-material ratio is 5:1, and the ball milling time is 20 hours.

[0096] (3) Sieving, pressing and forming

[0097] The slurry after ball milling has good fluidity and is convenient for sieving, and the mesh size is selected as 150 mes...

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PUM

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Abstract

The invention provides a graphene-purple sands composite material, a purple sand container produced by the composite material and a production method thereof. The graphene-purple sands composite material is obtained by sintering the following substances by weight: 92-98% of a purple sands blank material, 0.5-3% of graphene, 0.5-2% of an activator, and 1-3% of soluble glass. The activator comprises one or more of sodium tripolyphosphate, polyethylene glycol and polyacrylamide. The composite material has the advantages of excellent mechanical property, heat transfer performance, and wide application scope, and can be used for producing cooking tools, food containers, building materials, heating elements, and artwares.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a graphene purple sand composite material, a purple sand ware made of the same, and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, the pursuit of quality of life has become increasingly intense, and the demand for health and environmental protection has become increasingly prominent. Zisha ceramics has a long history and is a safe inorganic material made of natural clay with high iron content. Teapots, soup pots, spatulas and other utensils made of purple sand are rich in natural iron and zinc, calcium and other trace elements that are beneficial to human health, so they have certain health care functions, and the cooked food and tea have unique properties. good taste. In addition, the surface of purple sand ceramic utensils is super hard and wear-resistant, has strong acid and alkali resistance and corrosion resistance, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/32C04B33/24C04B35/63C04B35/634
CPCC04B33/13C04B33/1305C04B33/131C04B33/24C04B33/32C04B35/6313C04B35/63444C04B35/63488C04B2235/3427C04B2235/425C04B2235/96C04B2235/9607
Inventor 张金柱袁征刘顶
Owner JINAN SHENGQUAN GROUP SHARE HLDG