Top plate for cooking appliance, cooking appliance and coating

The top plate design for cookers, using a silicone resin, pearl-like pigment, and fine particles, addresses the challenge of maintaining hardness and heat resistance while achieving a pearl-like appearance with enhanced luster.

JP2025097567APending Publication Date: 2025-07-01NIPPON ELECTRIC GLASS CO LTD
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Patent Information

Application Number
JP2023213813
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2025-07-01

AI Technical Summary

Technical Problem

Existing top plates for cookers struggle to achieve a pearl-like appearance with enhanced luster while maintaining high hardness and heat resistance due to the trade-off between transparency and mechanical properties when using high amounts of silicone resin.

Method used

A top plate design incorporating a glass substrate with a decorative layer containing a silicone resin, pearl-like pigment, and transparent fine particles with an average diameter of less than 0.3 μm, with a silicone resin content of 59% or less, enhances both hardness and heat resistance while achieving a highly decorative pearl-like appearance.

Benefits of technology

The solution provides a top plate with high hardness, heat resistance, and improved brilliance, achieving a desired pearl-like appearance with enhanced luster.

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Abstract

To provide a top plate for a cooking appliance that has a high-hardness and high heat-resistant decorative layer while realizing a highly designable pearl-like appearance that improves brilliance that is unique to pearl-like pigments.SOLUTION: A top plate 1 for a cooking appliance comprises: a glass substrate 2 having a cooking surface 2a on which a cooking appliance is placed, and a back surface 2b opposite the cooking surface 2a; and a decorative layer 3 arranged on the back surface 2b of the glass substrate 2, where the decorative layer 3 contains a silicone resin component (A), pearl-like pigments (B), and transparent fine particles (C) having an average particle diameter of less than 0.3 μm, and the content of the silicone resin component (A) in 100% by mass of components of the decorative layer is 59% or less.SELECTED DRAWING: Figure 1
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Citation Information

Patent Citations

  • JP233637A