Substrate Coating with Crushed Acrylic Particles for Thermal Management
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Solution Overview
Problem
Existing coatings for building surfaces fail to effectively reduce both the actual and felt surface temperatures, leading to increased energy consumption for cooling in hot climates and discomfort when walking barefoot.
Innovation Solution
A coating comprising an impregnation material with crushed acrylic paint particles that provide heat transfer and surface roughness, reducing contact area and enhancing cooling through a two-layer structure with a top coat for improved durability and wear resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If reflective pigments are used to reflect radiation energy, then solar reflectance is improved, but the coating becomes less effective at reducing actual surface temperature
Solution Approach 1:
The coating is divided into multiple functional layers: a base layer with reflective pigments for solar reflectance, and a top layer with crushed acrylic paint particles for heat transfer and surface roughness. This segmentation allows each layer to perform its specific function optimally without compromising the other.
Solution Approach 2:
The coating combines different materials with complementary properties: reflective pigments (for radiation reflection), crushed acrylic paint particles (for heat conduction and surface texture), and binder materials. This composite structure enables simultaneous achievement of high solar reflectance and effective heat transfer to reduce actual surface temperature.
2Ease of manufacture
If smooth coating surfaces are used, then manufacturing is simplified, but comfort for barefoot walking is reduced due to increased contact area
Solution Approach 1:
The coating introduces local quality variations by incorporating crushed acrylic paint particles of different sizes and shapes into the top layer. This creates localized roughness features that reduce contact area with bare feet, while the overall coating structure remains manageable and applicable using standard coating methods.
3Ease of operation
If cooling effects are achieved by reducing contact area, then subjective felt temperature is reduced, but actual surface temperature remains high
Solution Approach 1:
The coating merges two previously separate approaches into a unified solution: reflective pigments in the base layer address actual surface temperature through radiation reflection and heat transfer, while crushed acrylic particles in the top layer address subjective comfort through reduced contact area. The combination of these elements in a single coating system achieves both goals simultaneously.
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 coating effectively lowers both the actual and felt surface temperatures, reducing energy consumption and enhancing comfort by improving heat transfer and surface roughness, while being environmentally friendly and cost-effective.
Implementation Method 1
the particulate material consists of crushed acrylic paint... provide heat transfer
Implementation Method 2
enhancing cooling through a two-layer structure... improving heat transfer and surface roughness, reducing contact area
Implementation Method 3
the concept of the prior art coating on the substrate is to predominantly reflect the radiation energy and thus, avoid heating of the coating and the substrate
Data Source
AI summary
The present invention relates to a coating on a substrate. It is an object of the present invention to provide an improved coating on a substrate, which coating is to reduce the temperature felt by a person walking on the substrate as well as the actual temperature on the surface. The present invention provides a coating on a substrate that includes an impregnation material, respectively base material, which is adhered on the substrate, a particulate material adhered on the impregnation material, respectively base material, and optionally, a top coat covering an upper surface of the coating, in which the particulate material consists of crushed acrylic paint and/or wherein the particulate material is a platelet-shaped particulate material, and/or wherein the particulate material has an angular or very-angular shape such that the upper surface of the coating has a roughness of between 0.5 mm and 3 mm.