Aerogel Melamine Foam Composite Insulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current insulation materials, particularly those based on granular aerogels, face challenges such as poor handling due to granular form, dusting issues, and inadequate thermal insulation performance compared to polyurethane-based foams, with melamine foam not being very efficient in thermal insulation.
Innovation Solution
A composite material comprising an inorganic aerogel and an open-cell melamine foam is developed, where the melamine foam does not act as a binder, but rather enhances mechanical properties and thermal insulation by controlling macroporosity, resulting in a material with low thermal conductivity and reduced dusting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If granular aerogel is used for thermal insulation, then thermal insulation performance is improved, but handling difficulty and dusting increase
Solution Approach 1:
The patent combines aerogel particles with melamine foam to create a composite material that integrates the excellent thermal insulation properties of aerogel with the mechanical strength and handling ease of foam material, resolving the contradiction between thermal performance and handling difficulty
Solution Approach 2:
The melamine foam provides a flexible matrix that encapsulates the brittle aerogel particles, allowing the composite material to be handled and installed without the fragility issues of pure granular aerogel
2Loss of energy
If granular aerogel is used for thermal insulation, then thermal insulation performance is improved, but dusting increases
Solution Approach 1:
The composite structure binds aerogel particles within the melamine foam matrix, preventing the dusting problem inherent in loose granular aerogel while preserving the thermal insulation benefits
Solution Approach 2:
The invention extracts the harmful dusting property from the aerogel system by encapsulating particles within the foam matrix, separating the desirable thermal insulation function from the undesirable dust generation
3Strength
If melamine foam is used as binder for aerogel, then mechanical strength is improved, but thermal insulation performance deteriorates
Solution Approach 1:
The patent optimizes the density and porosity parameters of the melamine foam to minimize its thermal conductivity impact, and controls the aerogel content to maintain overall thermal performance while achieving sufficient mechanical strength
Solution Approach 2:
The composite material creates local aerogel-rich regions for thermal insulation and foam-rich regions for mechanical strength, with the overall structure balancing both properties through controlled distribution
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 composite material achieves thermal conductivity between 5 and 20 mW/m-K, improved mechanical strength, reduced dusting, and enhanced handling, making it suitable for building insulation with low macroporosity and excellent thermal performance.
Implementation Method 1
The thermal conductivity is measured by means of guarded hot plate according to NF EN 12667 standards... The composite material achieves thermal conductivity between 5 and 20 mW/m-K
Implementation Method 2
An open-cell melamine foam... enhancing mechanical properties and thermal insulation by controlling macroporosity
Data Source
AI summary
The invention relates to insulating composite materials comprising an inorganic aerogel and a melamine foam. The invention also relates to the product method of said materials, and to the use of same.