Panel and method for manufacturing a panel
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Solution Overview
Problem
Existing panel manufacturing methods face issues with delamination and increased thickness and cost due to the use of intermediate adhesives and fiberglass layers, which compromise the structural integrity and surface properties of waterproof panels.
Innovation Solution
A panel design featuring a top layer with a melamine-based resin that is hardened directly on the substrate using a binder, such as a urethane-based binder, which improves adhesion and eliminates the need for separate gluing, incorporating a water-absorbing substance to facilitate the curing process and reduce chemical water generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If an intermediate adhesive layer is used to bond melamine resin to the substrate, then adhesion between layers is improved, but the panel becomes more prone to delamination and increases in thickness and cost
Solution Approach 1:
The invention removes the intermediate adhesive layer from the panel structure. Instead of using a separate glue layer, the melamine resin is applied directly to the substrate and hardened in place, eliminating the source of delamination while reducing panel thickness and material cost.
Solution Approach 2:
The invention combines the functions of the adhesive layer and the melamine resin layer into a single integrated structure. The melamine resin serves both as the decorative/top layer and as the bonding agent, eliminating the need for a separate adhesive layer and reducing the number of interfaces where delamination can occur.
2Ease of manufacture
If a fiberglass layer is added to provide a substrate for hot pressing melamine resin, then waterproof panel manufacturing is enabled, but the panel thickness and cost increase
Solution Approach 1:
The invention removes the fiberglass reinforcement layer from the panel structure. The substrate is designed to provide sufficient mechanical strength and dimensional stability on its own, eliminating the need for additional fiberglass layers and thereby reducing panel thickness and material cost.
Solution Approach 2:
The invention optimizes the substrate properties locally to provide the necessary strength and stability for hot pressing without requiring additional reinforcement layers. The substrate is formulated with appropriate density, composition, and mechanical properties to serve as both the base material and the pressing surface.
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
This approach enhances adhesion between the substrate and the melamine-based resin, reduces the thickness and cost of the panel, and improves manufacturing flexibility while maintaining surface properties and wear resistance.
Implementation Method 1
the binder shall be configured to provide good adhesion between the substrate and the melamine-based resin and to crosslink with the melamine-based resin
Implementation Method 2
incorporating a water-absorbing substance to facilitate the curing process and reduce chemical water generation
Implementation Method 3
the melamine-based resin of the top layer is hardened directly on the substrate
Data Source
AI summary
A panel has a substrate, and a top layer provided thereon. The top layer comprises at least a melamine resin and a binder. The binder is selected from the group comprising: polyacrylates based binder, polyvinyl acetate-based binder, polyester based, acrylic copolymers-based binder or urethane based binder.