Antioxidant-Coated Containers for Oxidation-Sensitive Goods
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Solution Overview
Problem
Existing packaging materials, particularly for oxidation-sensitive consumable goods like food, beverages, and pharmaceuticals, fail to maintain product integrity and stability due to interactions with oxygen and other compounds, leading to quality deterioration and reduced shelf life, especially in global transportation and storage.
Innovation Solution
A container with an inner coating layer containing antioxidants is developed to protect consumable goods from reacting with the packaging material, using antioxidants such as vitamins, polyphenols, and other organic compounds to create a barrier that minimizes oxidation and degradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional packaging materials (metal, plastic, paper) are used for storage, then weight is reduced and manufacturing is easier, but product stability and shelf life are compromised due to oxidation
Solution Approach 1:
The patent applies composite materials by combining traditional packaging materials (aluminum, plastic, or paper) with an antioxidant-containing coating layer. This composite structure maintains the advantages of lightweight and ease of manufacture while adding oxidation protection through the coating, thereby improving product stability without significantly increasing manufacturing complexity
Solution Approach 2:
The antioxidant-containing coating acts as an intermediary layer between the packaging material and the consumable good. It mediates the interaction by preventing direct contact between oxygen and the product, while allowing the packaging material to perform its primary containment function. This resolves the contradiction by adding protection without requiring a complete redesign of the packaging system
2Reliability
If conventional coating layers are applied to protect from oxidation, then product integrity is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent changes the chemical composition parameters of the coating layer by incorporating antioxidants at specific concentrations (0.01-10% by weight). This parameter modification enhances the coating's protective function against oxidation while maintaining compatibility with standard coating application processes, thus improving product integrity without significantly increasing system complexity
Solution Approach 2:
The antioxidant coating is applied specifically to the inner surface of the container where oxidation protection is most needed. This localized application provides targeted protection at the critical interface between packaging and product, maintaining product integrity while avoiding the complexity of treating the entire packaging structure
3Duration of action of stationary object
If antioxidants are added to coating layers, then shelf life is extended and quality deterioration is suppressed, but manufacturing process complexity increases
Solution Approach 1:
The antioxidants are incorporated into the coating layer during the manufacturing process, performing the oxidation protection function in advance before the product is packaged. This preliminary action extends shelf life from the moment of packaging, eliminating the need for additional post-packaging treatment steps and thus not increasing overall process complexity
Solution Approach 2:
The patent merges the protective coating function with the antioxidant protection function into a single integrated layer. By combining these functions in one coating application step, the manufacturing process achieves both adhesion/protection and oxidation prevention without requiring separate processing steps, thereby extending shelf life without proportionally increasing process complexity
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 antioxidant coating effectively suppresses quality deterioration, enhances product longevity, and maintains the integrity of consumable goods by neutralizing harmful substances, reducing the need for preservatives and minimizing environmental impact.
Implementation Method 1
a container with an inner coating layer containing antioxidants is developed to protect consumable goods from reacting with the packaging material, using antioxidants such as vitamins, polyphenols, and other organic compounds to create a barrier that minimizes oxidation and degradation
Data Source
AI summary
The invention relates to a container for a consumable good having an inner coating layer comprising an antioxidant, a process for preparing such a container, the use of such container for the storage of a consumable good, and the use of an antioxidant as an additive to a coating layer of such container.