Decorative Panel Top Coating With Randomized Relief Texture
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Solution Overview
Problem
Existing decorative panels based on synthetic materials often have a synthetic look and feel, lacking a natural appearance and haptic quality.
Innovation Solution
Incorporating a randomized relief in the top coating of decorative panels, characterized by a randomized relief formed through a curing process, which includes a plurality of peaks and valleys with specific dimensions, to create a more natural and authentic appearance and feel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a smooth top coating surface is used, then the manufacturing process is simple, but the panel has a synthetic look and feel
Solution Approach 1:
The invention changes the surface parameters of the top coating by introducing a randomized relief structure with specific amplitude (0.5-10 μm) and wavelength (1-25 μm) characteristics. This transforms the surface from smooth to textured, creating a natural wood-like appearance while maintaining manufacturing simplicity through a standardized production process.
Solution Approach 2:
The invention applies curved surface features in the form of randomized peaks and valleys across the top coating surface. This curvature at micro-scale creates light scattering effects and tactile variations that mimic natural wood grain, resolving the contradiction between simple manufacturing and natural appearance.
2Shape
If a randomized relief is formed in the top coating, then the natural look and feel is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The invention replaces complex mechanical embossing systems with a photochemical approach. By incorporating photoreactive compounds in the top coating and using UV irradiation, the randomized relief is formed through light-induced chemical reactions rather than mechanical pressure, significantly simplifying the manufacturing equipment requirements.
Solution Approach 2:
The top coating formulation includes photoreactive compounds that automatically form the randomized relief structure when exposed to UV light. The material itself performs the structuring function through photochemical reactions, eliminating the need for separate relief-forming equipment or complex multi-step manufacturing processes.
3Shape
If a randomized relief with peaks and valleys is created, then the surface becomes less glossy and softer, but the manufacturing precision requirements increase
Solution Approach 1:
The invention uses periodic UV irradiation patterns or pulsed exposure methods to form the randomized relief. By controlling the timing and intensity of UV exposure, the photoreactive compounds undergo controlled polymerization that naturally creates peaks and valleys with consistent dimensional characteristics, reducing precision requirements compared to direct mechanical forming.
Solution Approach 2:
The invention exploits the phase transition of photoreactive compounds during UV-induced polymerization. The material transitions from a liquid or soft state to a cured solid state, and this phase change naturally creates the randomized relief structure through differential curing rates, eliminating the need for high-precision mechanical control of relief dimensions.
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 randomized relief provides a less glossy and softer surface, enhancing the natural look and feel of the panels, reducing their synthetic appearance and improving perceived quality.
Implementation Method 1
the relief may be completely defined by a curing process
Data Source
AI summary
A decorative panel includes a substrate, a top layer and a top coating. The top layer is located between the substrate and the top coating. The uppermost surface of the top coating includes a randomized relief.