Gas-Filled Aluminized Insulation for Cold Chain Packaging
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Solution Overview
Problem
Existing cold chain packaging materials, particularly EPS containers, pose environmental, ease of use, and cost challenges, while standard air bags lack insulating properties.
Innovation Solution
A gas-filled insulating packaging material with a low-emitting aluminized film internal structure, designed for cold chain packages, which can be inflated using air cushion machines, providing thermal insulation and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If EPS containers are used for cold chain packaging, then thermal insulation performance is improved, but environmental harm and manufacturing complexity increase
Solution Approach 1:
The patent changes the physical state of the insulation material from solid foam (EPS) to gas-filled flexible packaging. By inflating the packaging with gas to create air pockets, it achieves thermal insulation through a different physical parameter (gas volume and distribution) rather than solid material density, thereby avoiding the environmental issues of EPS while maintaining insulation performance.
Solution Approach 2:
The patent uses gas inflation (pneumatics) to create the insulating structure. The flexible packaging is inflated with gas to form air pockets that provide thermal insulation, replacing the need for solid foam materials. This pneumatic approach enables the packaging to achieve insulation performance without the environmental harm associated with EPS production and disposal.
2Ease of operation
If standard air bags are used for packaging, then ease of use and cost are improved, but thermal insulation performance deteriorates
Solution Approach 1:
The patent creates a composite structure by combining flexible packaging material with gas-filled air pockets. The composite of the flexible film and trapped gas provides both the ease of use associated with air bags and thermal insulation performance, as the gas-filled structure creates thermal barriers while maintaining flexibility and ease of inflation.
Solution Approach 2:
The inflated packaging creates a porous structure with numerous air pockets distributed throughout. This porous configuration, formed by the gas-filled chambers within the flexible packaging, provides thermal insulation by trapping air in multiple small cells, while maintaining the lightweight and easy-to-handle characteristics of air bag packaging.
3Temperature
If EPS containers are used for cold chain packaging, then thermal insulation performance is improved, but weight and manufacturing cost increase
Solution Approach 1:
The patent changes the insulation mechanism from solid material mass (EPS) to gas-filled volume (air pockets). This parameter change from density-based insulation to volume-based insulation allows the packaging to achieve comparable thermal performance with significantly reduced weight, as gas is much lighter than solid foam material.
Solution Approach 2:
By using gas inflation to create the insulating structure, the patent eliminates the need for heavy solid foam materials. The pneumatic air-filled chambers provide the necessary thermal insulation while keeping the overall packaging weight minimal, as the structure is supported by gas pressure rather than material mass.
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 offers lightweight, cost-effective thermal insulation comparable to EPS containers, without environmental harm, using common equipment and materials.
Implementation Method 1
low-emitting aluminized film internal structure
Implementation Method 2
Gas-filled insulating packaging material
Data Source
AI summary
A gas-filled insulating packaging material, and gas-filed insulating packaging envelope made therefrom, includes a low-emitting internal film material. Outer pouch layers encapsulate the low-emitting internal film material including on a bottom side and a top side of the low-emitting internal film material. The outer pouch layers are configured to be inflatable via an air cushion machine. The outer pouch layers are sealed on a sealed side and unsealed on an open side prior to inflation and subsequently sealable on the open side after inflation.