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A kind of preparation method of special modified molecular sieve for ceramic ink

A ceramic ink and molecular sieve technology, applied in molecular sieve catalysts, chemical instruments and methods, inks, etc., can solve the problems of no color development, photocatalytic performance needs to be improved, colorant color darkening, etc., to achieve color stability and improve color The effect of vividness and high photocatalytic performance

Active Publication Date: 2022-07-08
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the inkjet printing ceramic inks that have been published for decorative ceramics have been disclosed to have photocatalytic properties, but their photocatalytic properties still need to be improved; in addition, the colorants of ceramic inks are mainly organic solvent-soluble Composed of metal salts, after the ceramic ink is printed and baked, some colorants undergo chemical changes under high temperature, which leads to darkening or even no coloring of the colorants, especially red and yellow

Method used

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  • A kind of preparation method of special modified molecular sieve for ceramic ink
  • A kind of preparation method of special modified molecular sieve for ceramic ink
  • A kind of preparation method of special modified molecular sieve for ceramic ink

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Effect test

Embodiment 1

[0025] The preparation method of the special modified molecular sieve for ceramic ink provided by the invention is as follows:

[0026] A preparation method of a special modified molecular sieve for ceramic ink, comprising the following steps:

[0027] (1) Take Ga respectively 2 O 3 Powder and Bi 2 MoO 6 Powder, the two materials are mixed and uniformly mixed by ball milling to obtain mixture A, wherein Ga 2 O 3 and Bi 2 MoO 6 The molar ratio is 1:2;

[0028] (2) The mixture A obtained in the step (1) is placed in the NH 3 in a muffle furnace, and heated at 850 °C for 8 h to obtain GaN-Bi 2 MoO 6 Composite photocatalytic material, in which NH 3 The flow rate is 80mL / min;

[0029] (3) The GaN-Bi obtained in step (2) 2 MoO 6 The composite photocatalytic material and the molecular sieve are mixed in a ratio of 1:2 by weight to obtain a mixture B, wherein the molecular sieve is selected from ZSM-5;

[0030] (4) add grinding aid to the mixture B that step (3) obtains...

Embodiment 2

[0033] The preparation method of the special modified molecular sieve for ceramic ink provided by the invention is as follows:

[0034] A preparation method of a special modified molecular sieve for ceramic ink, comprising the following steps:

[0035] (1) Take Ga respectively 2 O 3 Powder and Bi 2 MoO 6 Powder, the two materials are mixed and uniformly mixed by ball milling to obtain mixture A, wherein Ga 2 O 3 and Bi 2 MoO 6 The molar ratio is 1.5:2.5;

[0036] (2) The mixture A obtained in the step (1) is placed in the NH 3 , and heated at 900 °C for 10 h to obtain GaN-Bi 2 MoO 6 Composite photocatalytic material, in which NH 3 The flow rate is 90mL / min;

[0037] (3) The GaN-Bi obtained in step (2) 2 MoO 6 The composite photocatalytic material and the molecular sieve are mixed in a ratio of 1:4 by weight to obtain a mixture B, wherein the molecular sieve is selected from a mixture of ZSM-5 and beta mixed in any ratio;

[0038](4) adding a grinding aid to the ...

Embodiment 3

[0041] The preparation method of the special modified molecular sieve for ceramic ink provided by the invention is as follows:

[0042] A preparation method of a special modified molecular sieve for ceramic ink, comprising the following steps:

[0043] (1) Take Ga respectively 2 O 3 Powder and Bi 2 MoO 6 Powder, the two materials are mixed and uniformly mixed by ball milling to obtain mixture A, wherein Ga 2 O 3 and Bi 2 MoO 6 The molar ratio is 2:3;

[0044] (2) The mixture A obtained in the step (1) is placed in the NH 3 , and heated at 950 °C for 13 h to obtain a GaN-Bi2MoO6 composite photocatalytic material, in which NH 3 The flow rate is 100mL / min;

[0045] (3) The GaN-Bi obtained in step (2) 2 MoO 6 The composite photocatalytic material and the molecular sieve are mixed in a ratio of 1:6 by weight to obtain a mixture B, wherein the molecular sieve is a mixture of ZSM-5, beta and Y zeolite molecular sieves mixed in any ratio;

[0046] (4) add grinding aid to ...

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Abstract

The invention belongs to the technical field of preparation of photocatalyst materials, and in particular relates to a preparation method of a special modified molecular sieve for ceramic ink, comprising the steps of: firstly preparing GaN and Bi 2 MoO 6 The two semiconductor materials are compounded in a certain ratio to obtain GaN‑Bi 2 MoO 6 composite photocatalytic material, followed by the resulting GaN‑Bi 2 MoO 6 The composite photocatalytic material is loaded on the molecular sieve according to a certain proportion, that is, the modified molecular sieve is obtained. After the modified molecular sieve of the present invention is applied to the ceramic ink printed on the ceramic tile, the ceramic tile can have higher photocatalytic performance; in addition, the colorant can be stabilized and the vividness of red and yellow can be improved.

Description

【Technical field】 [0001] The invention belongs to the technical field of preparation of photocatalyst materials, and in particular relates to a preparation method of a modified molecular sieve specially used for ceramic ink. 【Background technique】 [0002] With the development of science and technology and the modernization of industry, people's living standards have been significantly improved, but at the same time, people have also been harmed by the accompanying environmental pollution. Pollution such as water pollution, air pollution and indoor harmful gases have caused serious harm to human health. Sewage treatment and air purification have therefore become important research contents for scientific researchers in various countries. How to effectively remove toxic substances such as surfactants, dyes, and heavy metal ions in industrial wastewater, as well as organic waste gas and toxic gases in the atmosphere, has become a hot topic in various research fields. As an a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/48B01J29/80C09D11/38
CPCC09D11/38B01J29/48B01J29/80B01J35/004B01J29/7815B01J29/166B01J2229/18
Inventor 刘来君付威潘昌冰袁志
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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