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Cerium oxide/ aluminium oxide micro-nanostructure ceramic pigment and preparation method thereof

A technology of micro-nano structure and ceramic pigment is applied in the field of preparation of micro-nano structure materials, which can solve the problems of difficult morphology control and large product particle size.

Inactive Publication Date: 2012-09-19
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation of ceramic pigments by high-temperature solid-phase method is difficult to achieve shape control, and the product particle size is relatively large

Method used

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  • Cerium oxide/ aluminium oxide micro-nanostructure ceramic pigment and preparation method thereof
  • Cerium oxide/ aluminium oxide micro-nanostructure ceramic pigment and preparation method thereof
  • Cerium oxide/ aluminium oxide micro-nanostructure ceramic pigment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Prepare 35 mL of 0.03 mol / L cerium chloride solution. After fully stirring and mixing, add 7.5 g of aluminum nitrate nonahydrate to dissolve completely. The molar ratio of cerium salt and aluminum salt is 1:20. Dissolve 8 g of polyethylene glycol 20000 A transparent solution was formed in the mixed solution, and 20 g of urea was added to the solution and stirred until dissolved. The mixed solution was transferred to a Teflon-lined reactor and sealed. The reaction kettle was placed in an oven at a constant temperature of 120°C for 22 hours, and the reaction kettle was taken out and cooled to room temperature naturally. The white product in the hydrothermal kettle was collected and washed several times with deionized water and absolute ethanol, and then the product was dried in a vacuum drying oven at 60° C. for 24 hours to obtain a white powder. The above white powder was placed in a muffle furnace, calcined at 1200° C. and kept for 2 hours, and then cooled to room temp...

Embodiment 2

[0032] Prepare 35 mL of 0.09 mol / L cerium chloride solution. After fully stirring and mixing, add 7.5 g of aluminum nitrate nonahydrate to dissolve completely. The molar ratio of cerium salt and aluminum salt is 3:20. Dissolve 6 g of polyethylene glycol 20000 A transparent solution was formed in the mixed solution, and 19.2 g of urea was added to the solution and stirred until dissolved. The mixed solution was transferred to a Teflon-lined reactor and sealed. The reaction kettle was placed in an oven at a constant temperature of 120°C for 26 hours, and the reaction kettle was taken out and cooled to room temperature naturally. The white product in the hydrothermal kettle was collected and washed several times with deionized water and absolute ethanol, and then the product was dried in a vacuum drying oven at 60° C. for 24 hours to obtain a white powder. The above white powder was placed in a muffle furnace, calcined at 1200° C. and kept for 2 hours, and then cooled to room te...

Embodiment 3

[0034]Prepare 35 mL of 0.06 mol / L cerium chloride solution. After fully stirring and mixing, add 7.5 g of aluminum nitrate nonahydrate to dissolve completely. The molar ratio of cerium salt and aluminum salt is 1:10. Dissolve 12 g of polyethylene glycol 20000 A transparent solution was formed in the mixed solution, and 20.4 g of urea was added to the solution and stirred until dissolved. The mixed solution was transferred to a Teflon-lined reactor and sealed. The reaction kettle was placed in an oven at a constant temperature of 120°C for 24 hours, and the reaction kettle was taken out and cooled to room temperature naturally. The white product in the hydrothermal kettle was collected and washed several times with deionized water and absolute ethanol, and then the product was dried in a vacuum drying oven at 60° C. for 24 hours to obtain a white powder. The above white powder was placed in a muffle furnace, calcined at 1200° C. and kept for 2 hours, and then cooled to room te...

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Abstract

The invention discloses a cerium oxide / aluminium oxide micro-nanostructure ceramic pigment and a preparation method of the ceramic pigment. The ceramic pigment is composed of alumina fibers and cerium oxide particles according to a molar ratio of 1:20-3:10 and has uniform size and good dispersity; the lengths of the alumina fibers are 3-4mum; the sizes of the cerium oxide particles are 80-100nm; the dispersion concentration of the cerium oxide particles and the chromatic performance of the final product are controlled by adjusting the concentration of the cerium oxide; and the product is pink after being calcined for 2 hours at the temperature of 1200 DEG C. The cerium oxide / aluminium oxide micro-nanostructure ceramic pigment and the preparation method provided by the invention have the advantages of simple process, safety in operation and low cost.

Description

technical field [0001] The invention belongs to the technical field of preparation of micro-nano structure materials, relates to a cerium oxide / alumina micro-nano structure material, in particular to a cerium oxide / alumina micro-nano structure ceramic pigment, and the invention also relates to the above-mentioned cerium oxide / alumina micro-nano structure material. Preparation method of nanostructured ceramic pigment. Background technique [0002] Due to their special physical and chemical properties related to their unique structures, micro- and nano-structured materials have received extensive attention in recent years. Various methods have been developed to prepare micro- and nano-structured materials, such as sol-gel method and co-precipitation method. , hydrothermal method, solvothermal method, physical vapor deposition method and chemical vapor deposition method, etc. Zinc oxide, aluminum oxide and various micro-nano composite powder materials with different morphologi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 朱振峰付璐刘辉李广军刘佃光
Owner SHAANXI UNIV OF SCI & TECH
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