Veneer Panel With Chemically Treated Conductive Layer
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Solution Overview
Problem
Current veneer panels are prone to tearing, wrinkling, curling, and delamination, and often fail to meet flammability regulations, especially in vehicular applications.
Innovation Solution
A veneer panel design incorporating a chemically treated thermally conductive layer with vinyl groups bonded to a face veneer and a backing layer, using materials like aluminum, copper, or graphite, with adhesive materials to enhance bonding and include flame retardants, resulting in improved flexibility, heat resistance, and compliance with flammability standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional veneer panel structure (paper-backed, fleece-backed, or two-ply) is used, then the panel can be manufactured and applied, but it becomes susceptible to tearing, wrinkling, curling, and delamination
Solution Approach 1:
The patent employs a composite structure consisting of a face veneer layer, a thermally conductive layer, and a backing layer. This multi-layer composite construction combines materials with different properties: the face veneer provides aesthetic and structural characteristics, the thermally conductive layer (made of metal foil, carbon-based materials, or thermally conductive polymers) provides thermal management and dimensional stability, and the backing layer provides support and prevents delamination. The chemical treatment of the thermally conductive layer with vinyl groups enhances bonding strength between layers, eliminating the delamination issue while maintaining resistance to tearing, wrinkling, and curling.
2Reliability
If traditional veneer panels are used in vehicular applications, then they can be installed, but they fail to meet flammability regulations
Solution Approach 1:
The patent changes the thermal parameters of the veneer panel by incorporating a thermally conductive layer with high thermal conductivity (k ≥ 10 W/m·K). This layer rapidly conducts heat away from the veneer surface, preventing temperature buildup that would lead to ignition. The thermal conductivity parameter is specifically optimized to meet flammability regulations while maintaining other performance characteristics, enabling the panel's use in vehicular applications where fire safety is critical.
Solution Approach 2:
The patent converts the potentially harmful effect of heat accumulation into a beneficial thermal management system. By incorporating the thermally conductive layer, heat that would normally build up and cause flammability issues is instead rapidly conducted away from critical areas. This transforms the thermal energy from a hazard into a controlled parameter that enhances fire resistance, allowing the veneer panel to meet stringent vehicular flammability regulations.
3Reliability
If a thicker thermally conductive layer is used to improve heat resistance, then flammability regulations are met, but the panel flexibility and bonding strength are reduced
Solution Approach 1:
The patent optimizes the thickness parameter of the thermally conductive layer to fall within the range of 0.001 to 0.015 inches. This parameter optimization achieves the critical balance: the layer is thick enough to provide sufficient thermal conductivity (k ≥ 10 W/m·K) for fire resistance, yet thin enough to maintain panel flexibility and allow effective bonding between layers. The chemical treatment with vinyl groups further enhances bonding without requiring increased thickness.
Solution Approach 2:
The patent applies local quality by concentrating the thermal management function in a specifically treated layer with optimized properties. The thermally conductive layer is chemically treated with vinyl groups at its surfaces, creating localized bonding zones that enhance adhesion to adjacent layers. This localized chemical enhancement allows the use of thinner material while maintaining both thermal performance and bonding strength, preserving panel flexibility without compromising heat resistance.
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
The solution provides a veneer panel that is resistant to delamination, offers increased flexibility and heat resistance, and meets flammability regulations, making it suitable for various applications including aircraft interiors.
Implementation Method 1
the plurality of first vinyl groups forms a plurality of first crosslink bonds with the first adhesive material to bond the chemically treated thermally conductive layer to a back surface of the face veneer
Implementation Method 2
a chemically treated thermally conductive layer bonded to the face veneer
Data Source
AI summary
A veneer panel may comprise a face veneer, a thermally conductive layer, and a backing layer bonded to the thermally conductive layer. The thermally conductive layer may comprise a chemically treated thermally conductive layer. The chemically treated thermally conductive layer may comprise a plurality of first vinyl groups chemically bonded to a first surface of the chemically treated thermally conductive layer.