Multi-Layer Fire Resistant Composition for Heat Protection
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Solution Overview
Problem
Existing fire-resistant materials, such as intumescent coatings and batt or blanket type fibrous insulation, are either ineffective due to poor adhesion, vulnerability to impact, or are heavy and difficult to install, failing to adequately protect mechanical and electronic components from fire and heat.
Innovation Solution
A multi-layer fire-resistant composition comprising a heat reflective layer, an impact-resistant mechanical support layer, and an intumescent layer, where the mechanical support layer is positioned between the reflective and intumescent layers, providing superior adhesion and thermal protection, and can be formed into panels or fabrics for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If intumescent coatings are used for fire protection, then fire resistance is improved, but adhesion to substrate deteriorates and vulnerability to impact damage increases
Solution Approach 1:
The patent applies composite materials by combining intumescent coating with a fibrous reinforcement layer and a protective topcoat. The fibrous layer (glass fiber, basalt fiber, or aramid fiber) provides mechanical strength and adhesion, while the intumescent layer provides fire resistance, and the protective topcoat enhances durability against impact and environmental factors. This composite structure resolves the contradiction by distributing functions across multiple material layers.
Solution Approach 2:
The fire protection system is segmented into distinct functional layers: a primer layer for adhesion, a fibrous reinforcement layer for mechanical strength, an intumescent layer for fire resistance, and a protective topcoat for durability. Each layer addresses specific requirements, allowing the system to achieve both fire resistance and mechanical integrity simultaneously.
2Reliability
If batt or blanket type fibrous fire insulation is used, then fire resistance is improved, but weight and bulk increase making installation difficult
Solution Approach 1:
The patent uses a thin fibrous reinforcement layer (0.5-5 mm thick) composed of glass fiber, basalt fiber, or aramid fiber as a flexible shell structure. This thin film provides the necessary mechanical support and fire resistance without the excessive weight and bulk of traditional batt insulation. The flexible nature allows easy conforming to complex substrate shapes during installation.
Solution Approach 2:
The patent changes the density and thickness parameters of the fire protection material by using a lightweight fibrous matrix with low density (50-200 kg/m³) compared to traditional batt insulation. This parameter change reduces weight and bulk while maintaining fire resistance through the intumescent layer that expands when exposed to heat.
3Reliability
If traditional fire insulation materials are used, then fire protection is provided, but detachment from surfaces occurs as heat degrades attachment means
Solution Approach 1:
The patent changes the thermal stability parameter of the attachment system by using high-temperature resistant adhesives and mechanical fasteners designed to withstand temperatures up to 1000°C. The fibrous reinforcement layer also undergoes parameter changes by maintaining its structural integrity at high temperatures, preventing detachment.
Solution Approach 2:
The patent employs a multi-layer construction where the outer protective topcoat and fibrous layer act as sacrificial elements that protect the underlying substrate and permanent attachment means from thermal degradation. This allows the use of simpler, cost-effective attachment methods that would otherwise be vulnerable to heat damage.
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 offers lightweight, cost-effective fire and heat protection, maintaining attachment to surfaces during fires and preventing temperature rise inside protected structures, thus ensuring the safety of occupants and electronic components.
Implementation Method 1
at least one heat reflective layer having a length, a width a first lateral surface and a second lateral surface
Implementation Method 2
at least one intumescent layer having a length, a width a first lateral surface and a second lateral surface
Implementation Method 3
at least one impact-resistant mechanical support layer... positioned between a reflective layer and an intumescent layer
Data Source
AI summary
The present invention provides light weight, cost effective flame, fire and heat resistant compositions and materials for use in a variety of applications, as well as methods for producing and installing the compositions and materials in a variety of settings.