Ultra-lightweight Fire-resistant Composite Panel with 3D Surface
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Solution Overview
Problem
Current fire-resistant panels used in aircraft are heavy and expensive, failing to meet the need for lightweight yet effective heat release rate and smoke emission standards as mandated by Federal regulations.
Innovation Solution
A method for creating an ultra-lightweight composite panel using layers of high-performance fire-resistant materials such as aramid polyamide polymers bonded with fire-resistant adhesives, which can be carved or embossed to create a three-dimensional artistic design, while maintaining or exceeding the fire-resistant standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional NOMEX fiber-based panels are used, then fire-resistant performance is achieved, but weight and cost increase
Solution Approach 1:
The patent uses composite materials consisting of multiple layers including fire-retardant treated paper, foam core, and fabric layers bonded together. This composite structure achieves the required fire-resistant performance (meeting FAR 25.853 standards) while significantly reducing weight compared to traditional solid NOMEX fiber panels. The foam core provides lightweight structure while the fire-retardant treated layers ensure compliance with fire safety regulations.
2Reliability
If traditional NOMEX fiber-based panels are used, then fire-resistant performance is achieved, but manufacturing cost increases
Solution Approach 1:
The composite panel structure uses cost-effective materials such as fire-retardant treated paper and foam core instead of expensive NOMEX fiber fabric. The layered composite construction allows for efficient manufacturing processes including ultrasonic welding and standard lamination techniques, reducing overall production cost while maintaining required fire-resistant performance.
Solution Approach 2:
The patent applies fire-retardant treatment to standard paper and fabric materials, changing their fire resistance parameters to meet regulatory standards. This approach of treating conventional materials rather than using inherently fire-resistant but expensive materials like NOMEX significantly reduces material costs while achieving the same fire safety performance.
3Reliability
If fire-resistant materials are used, then heat release rate and smoke emission standards are met, but weight increases
Solution Approach 1:
The patent applies fire-retardant treatment specifically to the surface layers (paper and fabric) that are in direct contact with the cabin environment, while the core foam structure remains lightweight. This localized application of fire-retardant properties ensures compliance with heat release rate and smoke emission standards for cabin materials while minimizing the weight penalty throughout the entire panel structure.
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 lightweight panel that meets or exceeds Federal guidelines for heat release rate and smoke emission, offering improved protection and aesthetic appeal at a lower cost and weight compared to traditional NOMEX fiber-based panels.
Implementation Method 1
The fire-retardant materials can be bonded by a welding machine such as an ultrasonic machine
Implementation Method 2
attached by a thermoplastic, thermoset, thermobond or other fire resistant adhesive
Data Source
AI summary
The invention relates to an ultra-lightweight heat and flame resistant (or retardant) composite panel having a three-dimensional artistic design on the surface, and a method for making the lightweight heat and flame resistant composite panel. One aspect of the invention is a system and method for creating a composite panel from high performance heat and flame resistant materials, such as aramid polyamide polymers (for example, NOMEX® from DuPont) or any other fire-retardant or fire-retardant treated material, which can be bonded to another layer of fire-retardant material such as paper, fabric, honeycomb or foam. The fire-retardant materials can be bonded by a welding machine such as an ultrasonic machine, or attached by a thermoplastic, thermoset, thermobond or other fire resistant adhesive. The thickness of the finished composite may be around 1/16˜¼ inch. The composite can then be decorated, and carved (or embossed) with or without inserting a fire-retardant material between the layers prior to carving to give a three-dimensional decorative surface. The steps of decorating and carving may be performed in either sequence—coloring followed by carving, or carving followed by coloring. Alternatively, one or more layers may be printed prior to forming the composite. A clear finish with fire retardant agent is then placed on the surface of the composite.