Thermoplastic Polyester Floor Panel Substrate for Dimensional Stability
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Solution Overview
Problem
Existing floor panels made from thermoplastic synthetic materials like polypropylene (PP) and polyethylene (PE) are prone to deformation under sunlight or underfloor heating, leading to cracks or gaps between panels, and are mechanically weak compared to PVC-based substrates.
Innovation Solution
A floor panel composition that includes thermoplastic polyester, one or more elastomers, and mineral fiber structures, which provides enhanced strength, reduced fatigue under load, and improved dimensional stability, thereby minimizing the risk of crack or gap formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If substrates are made from thermoplastic synthetic materials like polypropylene (PP) or polyethylene (PE), then environmental concerns are reduced compared to PVC, but the substrates deform under sunlight or underfloor heating causing cracks or gaps between panels
Solution Approach 1:
The patent applies composite materials by combining thermoplastic polyester with elastomers and mineral fillers to create a substrate that maintains dimensional stability under environmental stress while retaining environmental benefits over PVC. The composite structure allows the material to resist deformation from sunlight and underfloor heating.
Solution Approach 2:
The patent changes the material parameters by selecting specific thermoplastic polyester types and combining them with elastomers in controlled ratios, creating a material with optimized thermal and mechanical properties that prevent deformation under heating and lighting conditions.
2Strength
If substrates are made from thermoplastic polyester, then strength and fatigue resistance are improved, but the substrate may become more brittle
Solution Approach 1:
The patent uses composite materials by integrating elastomers into the thermoplastic polyester matrix. This combination provides the strength benefits of polyester while the elastomer component prevents excessive brittleness, creating a balanced material properties profile.
Solution Approach 2:
The patent applies local quality by distributing elastomers and mineral fillers throughout the thermoplastic polyester matrix, creating regions with enhanced flexibility and strength that collectively reduce overall brittleness while maintaining structural integrity.
3Ease of manufacture
If coupling parts like snap profiles are manufactured from the substrate material, then production simplicity is improved, but fatigue may lead to damage or breaking of these coupling parts
Solution Approach 1:
The patent applies composite materials to create coupling parts with enhanced fatigue resistance. The elastomer-reinforced thermoplastic polyester provides the necessary durability for snap profiles and other coupling components while maintaining ease of manufacturing through standard molding processes.
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 proposed composition results in a strong, stable, and robust substrate layer that reduces the risk of deformation and crack formation, while also providing improved mechanical strength and flexibility, making it suitable for manufacturing coupling parts like snap profiles.
Implementation Method 1
the composition can provide the respective substrate layer with the elasticity required to this aim
Implementation Method 2
under the influence of, for example, sunlight or underfloor heating, they can deform to such an extent that cracks or gaps can occur between such coupled together floor panels
Data Source
AI summary
A floor panel for forming a floor covering, where ethe floor panel includes a layer-shaped substrate, as well as a decorative top layer situated above the substrate; and where the substrate includes at least a layer which is realized on the basis of a composition including at least a thermoplastic synthetic material being polyester.