Recyclable Foil-Paper Insulation Liner for Thermal Packaging
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Solution Overview
Problem
Insulated packaging products often use non-curbside recyclable materials, and there is a need for improved thermal performance in packaging assemblies that are curbside recyclable.
Innovation Solution
A packaging insulation liner comprising a foil paper with a paper layer and a metallic layer, where the foil paper is recyclable and attached to an insulation pad, enhancing thermal performance and sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional insulation materials are used in packaging assemblies, then thermal insulation is provided, but the packaging is not curbside recyclable
Solution Approach 1:
The patent applies composite materials by combining paper substrate with metallic foil layers to create a recyclable insulation liner. The multi-layer structure integrates the insulating properties of paper with the reflective thermal barrier properties of metal foil, achieving both thermal performance and curbside recyclability that neither material could provide alone.
Solution Approach 2:
The patent changes the material composition parameters of the insulation liner by incorporating specific ratios of paper fibers, metallic coatings, and bonding agents. This parameter optimization enables the material to meet both thermal insulation requirements and recyclability standards, transforming it from non-recyclable to curbside recyclable status.
2Reliability
If heavier insulation materials are used to improve thermal performance, then thermal insulation is enhanced, but the packaging weight increases
Solution Approach 1:
The composite structure of paper and thin metallic foil layers provides high thermal insulation performance with minimal weight. The metallic foil layer reflects thermal radiation while adding negligible weight, and the paper substrate provides bulk insulation, together achieving superior thermal performance without increasing packaging weight.
Solution Approach 2:
The patent uses thin metallic foil films deposited on paper substrate to provide thermal reflection and insulation. These thin films deliver significant thermal performance improvement without adding substantial weight, as the foil layers are extremely thin yet highly effective at reflecting thermal radiation.
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 foil paper improves thermal performance by up to 50% compared to non-foil paper liners, enabling lighter-weight and more sustainable packaging solutions that are fully curbside recyclable.
Implementation Method 1
The foil paper includes a paper layer and a metallic layer disposed on the paper layer
Implementation Method 2
an insulation pad and a foil paper coupled to the insulation pad
Data Source
AI summary
A packaging insulation liner is disclosed. The packaging insulation liner is configured to be placed in a packaging container. The packaging insulation liner includes an insulation pad and a foil paper coupled to the insulation pad. The foil paper includes a paper layer and a metallic layer disposed on the paper layer. The foil paper is recyclable.