Fiber Tray Composite with Release Agent for Clean Manual Separation
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Solution Overview
Problem
Fiber-based trays with polymeric liners face challenges in achieving sufficient adhesion during use while allowing easy manual separation post-use, especially after exposure to oven temperatures, due to difficulties in adhering high-temperature resistant polymers and manual separation issues.
Innovation Solution
A polymeric based liner with an exterior and interior surface layer, removably affixed to a fiber-based component, utilizing a release agent between the layers to enable manual separation with minimal fiber residue and controlled adhesion forces, ensuring separation without compromising structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If high temperature resistant polymeric liners are used to survive oven temperatures, then the liner can withstand oven conditions, but the liner becomes difficult to adhere to the fiber based component and difficult to remove manually after use
Solution Approach 1:
A release agent layer is introduced as an intermediary between the polymeric liner and the fiber-based component. This release agent allows the liner to be easily removed manually after oven use while still providing sufficient adhesion during use. The release agent acts as a mediator that enables controlled separation without compromising the high-temperature resistance of the liner.
2Ease of operation
If manual separation is made easy by reducing adhesion, then the liner can be easily removed, but the liner may separate prematurely during use or storage
Solution Approach 1:
The release agent changes its adhesive parameters in response to temperature. At room temperature, it provides sufficient adhesion to keep the liner attached during use and storage. When exposed to oven temperatures, the release agent's adhesive properties change, allowing easy manual separation. This parameter change enables the system to meet both contradictory requirements under different conditions.
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 solution allows for effective adhesion during use and easy, clean separation post-use, maintaining structural integrity and recyclability, even after oven exposure, with controlled adhesion forces and minimal fiber residue.
Implementation Method 1
A release agent is located between the polymeric based liner and the fiber based component
Data Source
AI summary
A tray composite comprises a polymeric based liner including an exterior surface layer, an interior surface layer, and a fiber based component removably affixed to the interior surface layer of the polymeric based liner. A release agent is located between the polymeric based liner and the fiber based component. The polymeric based liner and the fiber based component are manually separable after they have been removably affixed together.