Biodegradable Peelable Protective Coating for Surface Transit Protection
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Solution Overview
Problem
Existing removable coatings for protecting surfaces during transit and assembly are labor-intensive and expensive, and the polymers used in these coatings are not biodegradable, leading to potential pollution.
Innovation Solution
A biodegradable temporary protective coating composition comprising vinyl acetate-acrylate-vinyl neodecanoate-copolymer, paraffin wax, and an optional dispersing medium, preferably water, which can be easily applied and removed, providing mechanical protection without leaving residues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical protection with solid coatings (plastic or canvas) is used, then protection effectiveness is improved, but labor intensity and cost increase significantly
Solution Approach 1:
The patent replaces mechanical physical protection (solid coatings like plastic or canvas) with a chemical protective system. The coating composition forms a protective film through chemical bonding and adhesion mechanisms, eliminating the need for manual handling and application of solid materials, thereby reducing labor intensity while maintaining protection effectiveness.
Solution Approach 2:
The patent changes the physical state of the protective material from solid (plastic/canvas) to liquid coating composition that forms a film. This parameter change enables easier application and removal while maintaining protective function, resolving the contradiction between protection effectiveness and labor intensity.
2Area of stationary object
If solid sheet coatings are applied to complex surfaces, then protection coverage is improved, but application difficulty and time increase
Solution Approach 1:
The patent replaces mechanical application methods (manual handling of solid sheets) with chemical coating composition that can be applied uniformly across complex surfaces. The liquid formulation allows the coating to conform to intricate geometries through fluid dynamics, eliminating the complexity of manipulating solid materials on complex shapes.
Solution Approach 2:
The patent changes the application medium from solid sheets to liquid coating composition. This parameter change enables the coating to flow and adapt to complex surface geometries, providing comprehensive coverage without the application difficulties associated with solid materials on convoluted shapes.
3Reliability
If conventional polymer coatings are used, then protection performance is improved, but environmental pollution increases due to poor biodegradability
Solution Approach 1:
The patent changes the chemical composition parameters of the polymer coating to incorporate biodegradable components. The coating formulation includes specific polymer types and additives that maintain protection performance while enabling biological decomposition, thereby eliminating long-term environmental pollution associated with conventional non-biodegradable polymers.
Solution Approach 2:
The patent employs biodegradable polymer materials that can be safely disposed of or decomposed after use. The coating is designed to maintain its protective function during the required period and then naturally decompose, replacing the need for persistent, non-biodegradable materials with environmentally friendly, short-living polymer alternatives.
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 coating effectively protects surfaces from damage during transit and assembly while being easily removable and environmentally friendly, reducing labor costs and environmental impact.
Implementation Method 1
a vinyl acetate-acrylate-vinyl neodecanoate-copolymer which forms a film
Implementation Method 2
an aqueous dispersion of a vinyl acetate-acrylate-vinyl neodecanoate-copolymer
Data Source
AI summary
This invention relates to a new temporary protective/decorative coating. In particular, the present invention relates to protective/decorative coatings, which are easy to be removed (i.e. by stripping, peeling, etc) and which comprise vinyl acetate-acrylate-vinyl neodecanoate-copolymer.