Red ZrO2-coated gamma-Ce2S3 pigment and preparation method thereof

A -ce2s3, wrapping technology, applied in the field of wrapping γ-Ce2S3 red material and its preparation, can solve the problems of unseen pigments, etc., to broaden the application field, improve product quality, improve anti-oxidation performance and chemical stability Effect

Active Publication Date: 2014-08-20
JINGDEZHEN CERAMIC INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, no preparation of ZrO 2 Enc...

Method used

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  • Red ZrO2-coated gamma-Ce2S3 pigment and preparation method thereof
  • Red ZrO2-coated gamma-Ce2S3 pigment and preparation method thereof

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Embodiment Construction

[0023] The embodiment of the present invention adopts commercially available γ-Ce 2 S 3 , first pretreatment, that is, washing twice in deionized water and ethanol to remove possible impurities on the surface, then drying at 50 ° C, and then grinding the resulting powder in an agate mortar and sieving to obtain Pretreated Ce 2 S 3 colorant, and for the following ZrO 2 Encapsulated γ-Ce 2 S 3 Preparation of red material.

[0024] A kind of ZrO of the embodiment of the present invention 2 Encapsulated γ-Ce 2 S 3 The preparation method of red material, its step is as follows:

[0025] (1) Preparation of raw material solution

[0026] Pigment suspension: γ-Ce 2 S 3 Disperse the coloring material in 30mL deionized water, adjust its pH value to 8.0-13.0, and disperse it ultrasonically for 20 minutes to obtain a suspension; add the dispersant to the mixed solution of 10mL distilled water and 10mL ethanol and homogenize it, and then add it to the above suspension In the p...

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Abstract

The invention discloses a red ZrO2-coated gamma-Ce2S3 pigment comprising a gamma-Ce2S3 chromogen core and a ZrO2 shell coated outside the chromogen core. In addition, the invention also discloses a preparation method of the red ZrO2-coated gamma-Ce2S3 pigment. According to the invention, the red ZrO2-coated gamma-Ce2S3 pigment is firstly prepared by using a homogeneous precipitation method, the breakthrough of a preparation technology of the red coated gamma-Ce2S3 pigment is realized, and the red ZrO2-coated gamma-Ce2S3 pigment is remarkably improved on oxidation resistance and chemical stability, favorable in dispersing performance, widened in application field and beneficial to popularization and development of a production technology.

Description

technical field [0001] The invention relates to the technical field of inorganic pigments, in particular to an encapsulated γ-Ce 2 S 3 Red material and preparation method thereof. Background technique [0002] Red has bright, bright, warm, noble, gorgeous and other qualities. Its connotations are rich and colorful, symbolizing life, joy, harvest, auspiciousness, wishful thinking and all good things. It is one of the favorite colors of all nations in the world. It plays a pivotal role in the production and application of decorative materials. Red pigments are usually divided into two categories: organic red pigments and inorganic red pigments. Organic red pigments have bright color and strong tinting power; however, their hiding power, thermal stability, light stability and ability to resist ultraviolet radiation are poor, so it is difficult to completely replace inorganic red pigments. However, the inorganic red pigments of the prior art mostly contain heavy metal elemen...

Claims

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Application Information

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IPC IPC(8): C09C1/00C09C3/04C09C3/06
Inventor 李月明刘顺国王竹梅沈宗洋谢志翔廖润华
Owner JINGDEZHEN CERAMIC INSTITUTE
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