Bendable PVC Panel Groove Mechanism for Seamless Corner Installation
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Solution Overview
Problem
Conventional multi-layered panels are inefficient due to excessive wood usage, warpage, poor waterproof and moisture-proof performance, health hazards from formaldehyde in adhesives, difficulty in bending, and seam-related bacteria accumulation, making them unsuitable for corners and edges, especially in hospitals.
Innovation Solution
A bendable panel with a substrate layer composed of PVC resin, styrene-based elastomer, stone powder, and additives, featuring a groove or cut mechanism for bending and a bending angle fixing mechanism, along with an anti-bacterial coating, to address the issues of flexibility, strength, and hygiene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional multi-layered panels are used, then panel strength and stability are maintained, but the panels are hard to bend and may break after bending
Solution Approach 1:
The panel is divided into multiple layers with different material properties. The substrate layer is segmented into a bendable portion (with grooves or cuts) and a non-bendable portion (solid structure), allowing different regions to serve different functions while maintaining overall panel strength
Solution Approach 2:
The panel uses composite material structure combining wood fiberboard substrate with grooves or cuts, creating a material system that exhibits both strength and bendability. The composite structure of solid portions and groove portions enables the panel to resist breaking while allowing bending
2Object-affected harmful factors
If conventional multi-layered panels are used, then panel structure is stable, but seams are generated at edges which accumulate bacteria
Solution Approach 1:
The panel edge is designed with curved or rounded transitions instead of sharp corners, and the bendable portion allows the panel to conform to curved surfaces. This eliminates seams and crevices where bacteria could accumulate, while the curved design maintains structural stability through continuous material flow
3Object-affected harmful factors
If traditional panel materials are used, then manufacturing is simple, but formaldehyde is released which is harmful to health
Solution Approach 1:
The panel uses wood fiberboard material with controlled density and composition parameters that naturally limit formaldehyde release. The substrate layer is manufactured with specific physical and chemical parameters that reduce harmful emissions while maintaining ease of manufacturing through standardized production 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 panel can be easily installed and bent at corners/edges without seam generation, maintains strength and appearance, reduces bacteria accumulation, and eliminates formaldehyde risks, providing improved durability and safety with enhanced bonding and anti-bacterial properties.
Implementation Method 1
The elastomer coupling agent is obtained by polymerization of a polyol, allylic acid, styrene or its derivative, and vinyl chloride
Data Source
AI summary
A bendable panel comprising a substrate layer, wherein the panel is provided with a mechanism enabling the panel to bend. The mechanism enabling the panel to bend is at least one groove or cut, and the depth of the groove or cut is no longer than the panel thickness. The substrate layer is prepared by the following materials with the following mass ratio: 100 parts of PVC resin or PVC powder, 30-55 parts of a styrene based elastomer, 150-300 parts of stone powder, sawdust or rock, 1-10 parts of an additive, and 1-4 parts of an elastomer coupling agent. The panel may be bent during the installation, and several panels can be seamlessly installed.