A kind of easy-to-clean milky white glaze suitable for low-expansion ceramics and its preparation method and application

A low-expansion, ceramic technology, applied in the field of ceramic glaze, to achieve the effect of improving cleanability, less pores, technological progress and application development promotion

Active Publication Date: 2021-11-23
JINGDEZHEN CERAMIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an easy-to-clean milky white glaze suitable for low-expansion ceramics. Through formula design, the system has a larger melting temperature range under oxidizing atmosphere conditions to effectively solve the problem of glaze surface holes. Holes and other defects, easy to clean while having good stability

Method used

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  • A kind of easy-to-clean milky white glaze suitable for low-expansion ceramics and its preparation method and application
  • A kind of easy-to-clean milky white glaze suitable for low-expansion ceramics and its preparation method and application
  • A kind of easy-to-clean milky white glaze suitable for low-expansion ceramics and its preparation method and application

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Embodiment Construction

[0016] An embodiment of the present invention is an easy-to-clean milky white glaze suitable for low-expansion ceramics. The raw materials are composed of: petalite feldspar 45-55wt%, kaolin 4-7wt%, high-temperature low-expansion frit 25-35wt%, high-temperature transparent frit Block 5-15wt%, silicon micropowder 0-10wt%, glaze stabilizer 3-6wt%.

[0017] Among them, the chemical compositions of the high-temperature low-expansion frit and the high-temperature transparent frit are shown in Table 1.

[0018] Table 1 Chemical composition of high temperature low expansion frit and high temperature transparent frit of the present invention

[0019]

[0020] The particle size of silicon micropowder is 2000 mesh; the glaze stabilizer is zirconium silicate micropowder, and its fineness is ≤0.5μm.

[0021] The raw material composition of each embodiment is as shown in table 2.

[0022] Table 2 The raw material composition (wt%) of the easy-clean milky white glaze of each embodiment...

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Abstract

The invention discloses an easy-to-clean milky white glaze suitable for low-expansion ceramics. The raw materials are composed of: petalite feldspar 45-55wt%, kaolin 4-7wt%, high-temperature low-expansion frit 25-35wt%, high-temperature transparent frit Block 5-15wt%, silicon micropowder 0-10wt%, glaze stabilizer 3-6wt%. In addition, the preparation method and application of the above-mentioned easy-to-clean milky white glaze suitable for low-expansion ceramics are also disclosed. The formula system of the invention has a relatively large melting temperature range under the condition of an oxidizing atmosphere, effectively solves defects such as holes in the glaze surface, and achieves the purpose of easy cleaning while having good stability. The preparation method of the present invention is based on the general daily-use ceramic glaze and the production process of daily-use ceramics. It is suitable for various low-expansion ceramic bodies, and especially provides prerequisites for low-expansion ceramic pots used in conjunction with electrical appliances. It can promote the technological progress and application development of the low expansion ceramic industry.

Description

technical field [0001] The invention relates to the technical field of ceramic glazes, in particular to an easy-to-clean milky white glaze suitable for low-expansion ceramics and a preparation method and application thereof. Background technique [0002] In the past ten years, the low-expansion ceramic industry has achieved considerable development with the support of the state and the efforts of enterprises, of which low-expansion ceramic cookware occupies a large proportion. With the continuous improvement of people's living standards and health requirements, ceramic cookware is more in line with the concept of health than the original iron cookware. Therefore, the demand for ceramic cookware is increasing, and the performance requirements are also increasing. high. Ceramic cooking utensils not only require aesthetics, but also pay more attention to their practicality, that is, certain functions. Especially in terms of cleaning, they need to have the characteristics of no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/20C04B41/86
CPCC03C8/20C03C2204/04C03C2205/02C04B41/5022C04B41/86C04B41/0072
Inventor 董伟霞包启富周健儿
Owner JINGDEZHEN CERAMIC UNIV
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