Ceramic product, preparation method thereof and closestool

By setting a photocatalytic layer of titanium oxide, zirconium oxide and doped elements on ceramic products, and adding a transition layer between the photocatalytic layer and the ceramic substrate, the problems of low efficiency and easy damage of the photocatalytic layer in the prior art are solved, and highly efficient self-cleaning ceramic products are realized.

CN121895069APending Publication Date: 2026-04-21JOMOO KITCHEN & BATHROOM
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Patent Information

Application Number
CN202511890707.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-15
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing titanium dioxide photocatalytic layers have limited catalytic efficiency on ceramic products, are easily damaged, have a short service life, and are difficult to achieve a comprehensive self-cleaning effect.

Method used

A photocatalytic layer composed of titanium oxide, zirconium oxide, and doped elements iron and nitrogen is used, with a transition layer between it and the ceramic substrate. This is formed by physical vapor deposition technology to enhance adhesion and corrosion resistance.

Benefits of technology

It expands the visible light response range, improves photocatalytic efficiency, enhances the bonding force between the photocatalytic layer and ceramic products, solves the problem of easy detachment of the photocatalytic layer, and achieves a highly efficient self-cleaning effect.

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Abstract

The invention relates to the field of bathroom accessories, in particular to a ceramic product and a preparation method thereof. The ceramic product comprises a ceramic substrate, a transition layer is arranged on the ceramic substrate, a photocatalytic layer is arranged on the side, away from the ceramic substrate, of the transition layer, the photocatalytic layer comprises titanium oxide, zirconium oxide and doping elements, and the doping elements comprise the iron element and the nitrogen element. The photocatalytic layer has strong adhesive force, wide spectral response and corrosion resistance, can be adapted to a working system of the ceramic product, and solves the self-cleaning problem of the ceramic product.
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