Ceramic primer, application of ceramic primer, ceramic coating and preparation method of ceramic coating

By introducing rare earth metal oxide particles into the honeycomb ceramic primer and rationally controlling the ratio of organic solvents and resin base materials, the problems of unclear marking and easy falling off of the honeycomb ceramic primer coating at high temperatures were solved, and the marking integrity and durability in high temperature environments were achieved.

CN120818281APending Publication Date: 2025-10-21SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
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Patent Information

Application Number
CN202511124651.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-12
Publication Date
2025-10-21

AI Technical Summary

Technical Problem

The primer coating of honeycomb ceramics is not clearly marked in a high-temperature environment and is prone to thermal expansion mismatch or component decomposition, resulting in poor resistance to high-temperature thermal shock and ink fading, and unable to maintain the integrity of the surface marking.

Method used

By introducing rare earth metal oxide particles into the ceramic primer and controlling their weight percentage within an appropriate range, combined with reasonable regulation of the weight ratio of organic solvent and resin base material, a lattice stabilization effect with an oxygen vacancy structure and a large ion radius is formed, thereby improving the high temperature resistance and antioxidant capacity of the ceramic primer and its coating, ensuring that the coating is not easy to crack at high temperatures and maintaining the integrity of the logo.

Benefits of technology

The high temperature resistance and ink fading resistance of the ceramic primer and its coating are significantly improved. The coating remains stable at high temperatures, reducing the carbonization and shedding of inkjet markings, improving high temperature thermal shock resistance and ink fading resistance, and maintaining a good appearance.

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Abstract

The invention provides a ceramic primer, an application of the ceramic primer, a ceramic coating and a preparation method of the ceramic coating. The ceramic primer comprises the following components in percentage by weight: 30-40% of inorganic coloring particles, 5-15% of an organic solvent, 10-55% of a resin base material, 10-25% of an inorganic filler and 0.5-3% of rare earth metal oxide particles. The ceramic primer provided by the invention has improved high-temperature thermal shock resistance and ink fading resistance, and can keep the integrity of a surface mark when being applied to honeycomb ceramics.
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