Convenient and simple method for increasing high-temperature reaction preparation efficiency of complex inorganic color pigment (CICP)

A composite inorganic pigment and high-temperature reaction technology, which is applied in the direction of inorganic chemistry, chemical instruments and methods, antimony compounds, etc., can solve the problems of high sintering temperature and long time consumption

Inactive Publication Date: 2014-09-03
周振平 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a low-temperature rapid preparation method for inorganic composite pigments in view of the problems of high sintering temperature and long time-consuming existing in the solid-phase synthesis of composite inorganic pigments

Method used

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  • Convenient and simple method for increasing high-temperature reaction preparation efficiency of complex inorganic color pigment (CICP)
  • Convenient and simple method for increasing high-temperature reaction preparation efficiency of complex inorganic color pigment (CICP)
  • Convenient and simple method for increasing high-temperature reaction preparation efficiency of complex inorganic color pigment (CICP)

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Taking the stoichiometric ratio of Fe 2 o 3 and Cr 2 o 3 , After mixing evenly in the mortar, equal parts are divided into several parts, placed in the sagger, and sintered at a temperature of 1100 ° C. The sintered iron chrome black is identified after being washed with water, filtered, dried and pulverized.

[0023] figure 2 The XRD patterns of Fechrome black with and without air pressure differential densification saggar at different reaction times are shown. Among them: a) is the XRD pattern of the iron chrome black without using pressure difference to compact the sagger, reacted at 1100°C for 8 hours; Reaction for 8 hours; c) is the XRD pattern of Fechrome black without using pressure difference to compact the sagger, reacting at 1100° C. for 15 hours.

[0024] It can be seen that after 8 hours of reaction, the FeCr black without the pressure difference densification sagger still exhibits the XRD characteristics of the reaction raw materials, while the FeCr ...

Embodiment 2

[0026] Take the stoichiometric ratio of TiO 2 、Ni 2 o 3 and Sb 2 o 3 , after mixing evenly in the mortar, the equal amount was divided into several parts, placed in the sagger, and reacted at 1100°C for 10 hours under the condition of not adopting the pressure difference compacting saggar, and under the condition of using the pressure difference compacting sagger React at 1000°C for 10 hours. The sintered nickel titanium yellow is identified after being washed with water, filtered, dried and pulverized.

[0027] image 3 Shows the comparison of the XRD spectrum of the Nitinol yellow at different temperatures with and without the pressure difference compacting sagger, wherein: a) is the XRD spectrum of the Nitinol yellow that does not adopt the pressure difference compaction sagger, 1100 ℃ for 8 hours, and b) is the XRD pattern of Nitinol yellow in a sagger compacted by air pressure difference, and reacted for 8 hours at 1050 ℃. It can be seen that Nitinol yellow samples...

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Abstract

The invention relates to a chemical raw material and a preparation process thereof and particularly relates to a method for increasing high-temperature reaction preparation efficiency of a complex inorganic color pigment (CICP). The invention develops a convenient and simple method for increasing high-temperature reaction preparation efficiency of a CICP in order to overcome defects of high temperature, long time consumption, high energy consumption and high dust content in the sintering preparation process of the traditional CICP. Due to the adoption of the method, the sintering temperature of the CICP can be effectively reduced, the sintering time can be shortened, the process energy consumption can be reduced, and the flying dust generated in the process can be relieved.

Description

technical field [0001] The invention belongs to the field of chemical raw material preparation, more precisely, it relates to a low-temperature rapid preparation method for composite inorganic pigments. Background technique [0002] Complex Inorganic Color Pigments (CICP; also known as Mixed Metal Oxide, MMO) is a new type of inorganic pigment, because of its high environmental protection and high performance advantages, it has attracted great attention internationally in recent years. . Compared with traditional organic or inorganic pigments, composite inorganic pigments have many advantages such as high thermal stability, good weather resistance, excellent chemical stability, bright color, easy dispersion, and no migration of pigments in the substrate. [0003] Using the high weather resistance of composite inorganic pigments, it is mainly used in automotive coatings, coil coatings, powder coatings, architectural coatings and other fields; using the high environmental pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G37/02C01G49/06C01G23/047C01G30/00C01G53/04
Inventor 周振平万冬云
Owner 周振平
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