Aerogel Insulation Fabric Composition for Thermal and Acoustic Stability
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Solution Overview
Problem
Aerogel's low mechanical stability and reduced heat insulation properties when polymer-coated pose challenges for its effective use in heat insulation materials.
Innovation Solution
A heat insulating material composition combining aerogel powder with an adhesive binder, carbon black powder, and additives like mineral oxides and aqueous acrylic resin, mixed with a solvent, is developed to enhance heat insulation and soundproofing properties, and a method for manufacturing a heat insulation fabric by coating and absorbing this composition into fabric.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If aerogel is used as a heat insulation material, then heat insulation performance is improved, but mechanical stability deteriorates
Solution Approach 1:
The patent combines aerogel with polymer materials to create a composite heat insulation material. The aerogel provides superior heat insulation performance while the polymer matrix provides mechanical stability and structural integrity. This composite structure allows both materials to contribute their respective advantages, resolving the contradiction between heat insulation performance and mechanical stability.
Solution Approach 2:
The patent uses polymer coating or encapsulation to create a flexible matrix that surrounds and supports the aerogel particles. This flexible shell approach allows the aerogel to maintain its heat insulation properties while the polymer shell provides the necessary mechanical strength and stability for practical applications.
2Stability of the object's composition
If polymer coating is applied to aerogel, then mechanical stability is improved, but heat insulation property deteriorates
Solution Approach 1:
The patent applies polymer coating selectively and in controlled amounts, ensuring that the coating provides mechanical stability only where needed while leaving the bulk aerogel structure intact. By controlling the coating thickness and distribution, the patent minimizes the impact on heat insulation properties while achieving the necessary mechanical enhancement.
Solution Approach 2:
The patent optimizes the polymer-to-aerogel ratio, coating thickness, and polymer composition to achieve the right balance between mechanical stability and heat insulation. By carefully adjusting these parameters, the patent ensures that the polymer coating enhances mechanical properties without significantly compromising the heat insulation performance of the aerogel.
3Stability of the object's composition
If aerogel powder is mixed with adhesive binder and additives, then mechanical stability is improved, but porosity is reduced
Solution Approach 1:
The patent uses adhesive binders and additives in controlled, minimal amounts just sufficient to provide mechanical stability to the aerogel structure. By avoiding excessive binder content, the patent maintains the high porosity characteristic of aerogel while still achieving adequate mechanical strength for practical applications.
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 composition significantly improves heat insulation and soundproofing performance while maintaining mechanical stability and preventing surface cracking, with enhanced performance at both low and high temperatures.
Implementation Method 1
aerogel has very low heat conductivity, it is highly favored as a heat insulation material
Implementation Method 2
air molecules occupy the space between threads, and air accounts for 98% of the total volume
Implementation Method 3
carbon black powder with a particle with a diameter of 10 μm or less and a density of 0.06 to 0.15 g/cm3
Implementation Method 4
adhesive binder includes at least one of celluloses, starches, epoxies, polyvinyl alcohol, urethanes, and carboxymethylcellulose (CMC)
Implementation Method 5
additive includes at least one type of mineral oxides (e.g., inorganic oxides), such as titanium dioxide, silicon carbide, and/or iron hydroxide
Implementation Method 6
the additive includes an aqueous acrylic resin in a weight ratio of 3 or less with respect to the mixture
Data Source
AI summary
The present invention relates to a heat insulation composition, containing aerogel, with improved heat insulation and soundproofing properties, and a method for manufacturing a heat insulation fabric by using the same. The heat insulation composition is prepared by mixing solvent, aerogel powder, adhesive binder and carbon black powder, thereby improving the heat insulation property at an extremely low temperature and at a high temperature, and also enhancing the soundproofing property.