Decorative Panel Core with Elastic Particles for Heat and Moisture Stability
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Solution Overview
Problem
Traditional decorative panels made of MDF/HDF or PVC materials suffer from hygroscopicity, poor temperature resistance, and deformation issues when exposed to heat sources, necessitating improved core compositions with enhanced durability and flexibility.
Innovation Solution
A decorative panel core composed of a polymer and/or mineral matrix alloyed with elastic particles through covalent bonding, forming a thermally stable block copolymer that balances functional and processing properties, using renewable and biodegradable polymers, and incorporating mineralizers to reduce hygroscopicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If MDF/HDF based core layer is used, then panels have desired appearance and workability, but panels suffer from hygroscopic nature affecting lifetime and durability
Solution Approach 1:
The patent uses a composite core material consisting of polyolefin resin (hydrophobic polymer) combined with wood flour or other natural fiber particles. The polyolefin matrix provides water resistance while the particulate material maintains the desired appearance and workability characteristics of traditional MDF/HDF panels, effectively resolving the contradiction between durability and hygroscopicity.
2Object-affected harmful factors
If PVC based panels are used, then panels are relatively waterproof, but panels easily deform when exposed to heating sources
Solution Approach 1:
The patent changes the chemical composition parameters of the core material by using polyolefin resins with specific melting points and thermal stability characteristics. The polyolefin-based core maintains waterproof performance while exhibiting superior temperature resistance compared to PVC, preventing deformation when exposed to heating sources through its higher thermal stability.
3Reliability
If core material provides flexibility and impact resistance, then durability improves, but processing properties may be compromised
Solution Approach 1:
The patent incorporates elastic particles distributed within the polyolefin matrix to provide localized flexibility and impact resistance throughout the core material. This particulate reinforcement approach maintains the overall processability of the polyolefin resin while adding durability properties, as the elastic particles are dispersed throughout the matrix rather than requiring a complete change in material composition.
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 core material achieves thermal stability, durability, and flexibility, addressing deformation and hygroscopicity issues while maintaining ease of processing and recyclability.
Implementation Method 1
wherein the elastic particles are bond to the polymer and/or mineral matrix by means of a covalent bond
Data Source
AI summary
A decorative panel includes a core provided with an upper side and a lower side; a decorative top structure affixed on the upper side of the core; a first panel edge including a first coupling profile, and a second panel edge including a second coupling profile being designed to engage interlockingly with the first coupling profile of an adjacent panel, both in horizontal direction and in vertical direction. The core includes an alloy of a polymer matrix and elastic particles dispersed in the matrix. The elastic particles are bond to the polymer matrix. The elastic particles are entirely made of elastic material. The polymer matrix includes thermoplastic material.