Decorative Panel IR Reflectivity Layer Design
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Solution Overview
Problem
Traditional decorative panels, particularly high-pressure laminates (HPL), absorb infrared (IR) light, leading to increased heat build-up and higher energy consumption for cooling in hot climates, without effectively addressing this issue while maintaining visual appearance and color specifications.
Innovation Solution
A decorative panel design incorporating an IR reflectivity increasing layer with pigments chosen from IR reflective and transmissive types, combined with a white pigmented synthetic resin impregnated decorative paper, positioned between the core and outermost synthetic resin layer, enhances IR radiation reflectivity without altering the surface's visual appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional HPL panels use dark colored surfaces, then aesthetic appearance is achieved, but IR light absorption increases leading to heat build-up and higher cooling energy consumption
Solution Approach 1:
The patent divides the HPL panel into multiple functional layers: a core layer, a decorative layer with specific pigments, and a transparent outermost layer. This segmentation allows the decorative layer to reflect IR light while the outermost layer maintains aesthetic appearance, resolving the contradiction between dark surface aesthetics and IR reflection.
Solution Approach 2:
The patent uses composite materials combining organic pigments with specific IR reflective properties and inorganic extenders in the decorative layer. This composite structure enables the layer to simultaneously provide color for aesthetics and IR reflection to reduce heat absorption, addressing the energy consumption issue without sacrificing visual appearance.
2Loss of energy
If IR reflective pigments are added to the decorative layer, then IR radiation reflectivity improves, but the complexity of the manufacturing process increases
Solution Approach 1:
The patent merges the aesthetic function and IR reflection function into a single decorative layer by combining organic pigments with IR reflective properties and inorganic extenders. This integration eliminates the need for separate IR reflective layers, simplifying the manufacturing process while maintaining effective IR radiation reflection.
Solution Approach 2:
The decorative layer is designed to perform multiple functions simultaneously: providing color for aesthetic appearance, reflecting IR radiation to reduce heat absorption, and maintaining durability. This multi-functionality reduces the overall complexity by eliminating the need for additional specialized layers.
3Loss of energy
If the decorative layer is made transparent to allow IR reflection, then IR radiation reflectivity improves, but the color specification and visual appearance may be compromised
Solution Approach 1:
The patent applies local quality by making the decorative layer selectively transparent to IR radiation while maintaining its color properties for visible light. The layer contains organic pigments that absorb visible light for color specification and inorganic extenders that reflect IR radiation, creating different optical properties for different wavelengths of light.
Solution Approach 2:
The patent uses organic pigments with specific properties that allow them to maintain color specification in the visible spectrum while being transparent to IR radiation. This selective optical property enables the decorative layer to preserve aesthetic appearance while effectively reflecting IR radiation to reduce heat absorption.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design significantly improves IR radiation reflectivity, reducing surface temperature and energy consumption for cooling, while maintaining the color specification of dark-colored surfaces, and is durable enough to withstand high-pressure and extreme weathering conditions.
Implementation Method 1
A decorative panel design incorporating an IR reflectivity increasing layer with pigments chosen from IR reflective and transmissive types
Implementation Method 2
the outermost layer is UV absorbing
Data Source
Figure 1
Figure 2
AI summary
The present invention relates to a decorative panel comprising a core layer, a decorative layer applied to said core, and a transparent or translucent outermost layer applied to said decorative layer, said outermost layer consisting essentially of a synthetic resin, wherein said decorative layer is a IR reflectivity increasing layer. An object of the present invention is to provide a decorative panel that reflects a significant part of the IR light without affecting the visual appearance of the surface.