Floor Panel Coating with Dual-Layer Abrasion and Scratch Resistance
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Solution Overview
Problem
Conventional floor panels with hard topcoat layers are prone to scratches and flaking, and rigid layer structures can lead to issues during installation, such as flaking when struck at the top edge, due to sensitivity to scratches and potential peeling.
Innovation Solution
A floor panel design featuring a decorative layer printed on a rigid base plate, protected by two transparent paint layers where the first layer is harder and abrasion-resistant, and the second layer is softer and more elastic, with the first layer containing abrasion-resistant particles and the second layer providing crack-bridging and scratch resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a hard topcoat layer is applied to increase abrasion resistance, then the layer becomes more resistant to wear, but it becomes sensitive to scratches and tends to break
Solution Approach 1:
The protective coating is divided into multiple layers with different properties: a hard first layer for abrasion resistance and a softer second layer for scratch resistance and flexibility, allowing each layer to perform its specific function without compromising the other
Solution Approach 2:
The coating system uses composite material structure combining hard abrasive-resistant particles in the first layer with a softer elastic polymer matrix in the second layer, creating a multi-functional protective system that simultaneously achieves wear resistance and scratch resistance
2Stability of the object's composition
If a rigid layer structure is used to ensure stability, then the structure becomes more stable, but it leads to flaking during laying when struck at the top edge
Solution Approach 1:
The patent changes the physical parameters of the coating layers by controlling the hardness and elasticity of each layer, making the outer layer softer and more elastic to absorb impact energy from strikes during installation, preventing flaking while maintaining overall layer stability
3Duration of action of stationary object
If a very hard topcoat is applied to improve durability, then wear resistance increases, but the surface becomes prone to cracking under stress
Solution Approach 1:
The softer second layer is applied beforehand as a cushioning layer that can deform and absorb stress, preventing the propagation of cracks to the hard first layer, thereby extending the service life of the coating system
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 layer structure becomes softer and more elastic from the base plate to the top, ensuring abrasion resistance and scratch protection while preventing cracking and whitening from scratches, maintaining a smooth surface and desired gloss or structure.
Implementation Method 1
The first layer of paint applied to the decorative layer is harder than the second layer of paint that follows it. The first coat of paint contains abrasion-resistant particles, in particular corundum in a grit class F>180
Implementation Method 2
The second coat of paint is elastic and has a crack-bridging effect and ensures scratch resistance. The second coat of paint is highly elastic to prevent cracking in the event of deformation and stress
Implementation Method 3
The first coat of paint contains abrasion-resistant particles, in particular corundum in a grit class F>180, preferably in a grit class F 240 - F 320. The proportion of abrasion-resistant particles in the first coat of paint is between 15% and 30%, based on the total amount of paint in the first paint layer
Data Source
Figure 1
AI summary
The floor panel (1) has a base plate (4), which is pressed on a top side with a decoration layer. Two lacquer layers (9, 10) are attached on the decoration layer, where the lacquer layer (9) attached on the decoration layer is harder than the lacquer layer (10). Film of the lacquer layer (9) has particles that are resistant to friction, where the portion of the particles lies between 22 to 28 percentages of the lacquer layer (9).