Floor Panel Edge Plasma Treatment for Moisture Sealing
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Solution Overview
Problem
Laminate floor panels face moisture penetration issues at the edges during coupling, leading to swelling of the substrate and potential damage due to the lack of effective water-tightness in these areas.
Innovation Solution
Applying a plasma treatment to the profiled edge portions of the floor panels with fluorocarbon compounds to create a thin, transparent, and homogenous film that provides waterproofing and dirt-repellent properties, ensuring the edges remain sealed even when panels are coupled.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a top layer is applied to laminate floor panels to achieve water-tightness, then water-tightness is improved, but moisture penetration still occurs at the edges where panels are coupled
Solution Approach 1:
The edge protection is divided into multiple functional zones: a chamfered edge portion for mechanical coupling and a separate coating layer for moisture protection. This segmentation allows each zone to optimize its specific function while working together to prevent edge moisture penetration.
Solution Approach 2:
A coating layer is introduced as an intermediary substance between the edge portion and the environment. This coating acts as a mediator that prevents moisture from reaching the substrate through the edge, while allowing the chamfered geometry to maintain its mechanical coupling function.
2Ease of operation
If the edge portion is chamfered to enable coupling, then ease of installation is improved, but the edge becomes more vulnerable to moisture penetration
Solution Approach 1:
The edge is segmented into a chamfered geometric portion for mechanical coupling and a separate coated portion for moisture protection. This allows the chamfer to provide easy coupling while the coating prevents moisture from exploiting the edge vulnerability.
Solution Approach 2:
The coating serves as an intermediary protective layer that is applied specifically to the chamfered edge portion. This intermediary substance allows the chamfered geometry to maintain its installation advantage while blocking the moisture pathway that would otherwise be created by the edge exposure.
3Reliability
If a coating is applied to the entire edge portion, then moisture protection is improved, but the appearance of the decorative layer is compromised
Solution Approach 1:
The coating is applied locally only to the chamfered edge portion rather than the entire edge. This local application provides moisture protection where it is most needed (at the vulnerable edge) while preserving the appearance of the decorative layer on the visible surfaces.
Solution Approach 2:
The coating is designed to be transparent or translucent, allowing the decorative layer's appearance to be maintained while providing the necessary moisture protection function. This optical property enables the coating to serve its protective role without compromising the aesthetic quality.
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 plasma treatment effectively prevents moisture penetration and maintains the appearance of the decorative layer while enhancing the wear resistance and scratch resistance of the floor panels, ensuring a durable and watertight seal.
Implementation Method 1
Applying a plasma treatment to the profiled edge portions of the floor panels with fluorocarbon compounds to create a thin, transparent, and homogenous film
Implementation Method 2
Applying a plasma treatment to the profiled edge portions of the floor panels with fluorocarbon compounds to create a thin, transparent, and homogenous film
Data Source
Figure 1~6
Figure 2
Figure 7~9
AI summary
Floor panel, of the type comprising at least a single- or multi-piece substrate (15), which at least partially consists of wood or wood-based material, wherein the floor panel (1.), at least at two opposite sides (2-3), has profiled edge portions (6), which at least comprise coupling parts (7), as well as is provided, at least at one of these sides (2-3), with a chamfer (31), such that the floor panel shows at least a first surface formed by the actual upper side of the floor panel, a second surface formed by the surface of said chamfer, and a third surface formed by the portion of the profiled edge portion extending below said chamfer (31), characterized in that at the first, as well as at the second and third surface, coatings are present, a first coating, a second coating and a third coating, respectively, wherein at least one of said coatings is realized as a solidified substance.