Aerogel Coating Liquid Agglomeration for Thermal Insulation Films
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The production of thermal insulation materials using aerogel particles in a composite with a resin component faces challenges such as resin infiltration into aerogel pores, leading to compromised thermal insulation properties and film strength, along with potential cracking due to uneven distribution of aerogel particles.
Innovation Solution
A method involving the preparation of a coating liquid by mixing an emulsion containing a polymer-based emulsifier, binder resin, and aerogel particles, which causes agglomeration of the aerogel particles, reducing the resin-aerogel interface and preventing resin infiltration, while ensuring uniform dispersion and high film-forming properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If aerogel particles are dispersed in a resin component to produce a composite material, then thermal insulation properties are improved, but resin infiltration into aerogel pores occurs causing deterioration of thermal insulation properties and loss of porous structure
Solution Approach 1:
A surfactant is introduced as an intermediary substance between the resin component and aerogel particles. The surfactant adsorbs onto the aerogel particle surfaces and forms a protective layer that prevents resin penetration into the porous structure, while still allowing thermal insulation functionality to be maintained
Solution Approach 2:
The surface properties of aerogel particles are modified by changing parameters such as surface charge, hydrophobicity, or surface chemistry through treatment with coupling agents or surfactants. This parameter change creates a barrier that resists resin infiltration while preserving the thermal insulation characteristics
2Reliability
If aerogel particles are dispersed in a resin component, then thermal insulation properties are improved, but film strength is insufficient and cracks are likely to be generated
Solution Approach 1:
The invention creates a composite material system consisting of three components: aerogel particles for thermal insulation, resin for film formation, and surfactant as a coupling agent. This composite structure combines the insulating properties of aerogel with the cohesive properties of resin, while the surfactant ensures proper interfacial bonding to prevent cracking
Solution Approach 2:
The surfactant acts as a mediator between the hydrophobic aerogel particles and the resin matrix, improving interfacial adhesion. This prevents crack propagation and enhances overall film strength while maintaining the dispersed aerogel structure for thermal insulation
3Object-generated harmful factors
If aerogel particles are agglomerated to reduce resin-aerogel interface, then resin infiltration is suppressed, but uniform dispersion becomes difficult
Solution Approach 1:
The invention optimizes parameters such as aerogel particle size, surfactant concentration, and mixing conditions to achieve a balance where partial agglomeration occurs to reduce total surface area and resin infiltration, while sufficient dispersion is maintained to ensure uniform thermal insulation properties throughout the coating
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 method effectively suppresses resin infiltration into aerogel pores, maintaining the thermal insulation properties and film strength of the coating film, even under pressure, resulting in a material with enhanced thermal insulation and film-forming capabilities.
Implementation Method 1
a preparation step of preparing an emulsion containing a polymer-based emulsifier, a binder resin, and a liquid medium, and aerogel particles; and a mixing step of mixing the emulsion and the aerogel particles prepared in the preparation step to agglomerate at least a portion of the aerogel particles
Implementation Method 2
Aerogel is known as a material having excellent thermal insulation properties
Implementation Method 3
the resin component infiltrates into the pores of the aerogel particles, resulting in the loss of the porous structure, and the thermal insulation properties are deteriorated
Data Source
AI summary
A method for producing a coating liquid, the method including: a preparation step of preparing an emulsion containing a polymer-based emulsifier, a binder resin, and a liquid medium, and aerogel particles; and a mixing step of mixing the emulsion and the aerogel particles prepared in the preparation step to agglomerate at least a portion of the aerogel particles, and obtaining a coating liquid containing agglomerates of the aerogel particles, the polymer-based emulsifier, the binder resin, and the liquid medium.