Biodegradable Capsule Packaging With Barrier Coating
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Solution Overview
Problem
Current packaging for laundry or dish wash water-soluble capsules faces challenges with child safety and environmental sustainability, as rigid plastic packaging is not biodegradable and can compromise integrity due to moisture exposure, while biodegradable materials may degrade prematurely, leading to leakage and accessibility issues.
Innovation Solution
A biodegradable packaging system using a container with a lid and base made from at least 50% biodegradable materials, incorporating a barrier coating and adhesive to control humidity, and a child-resistant closure mechanism to prevent accidental access, while maintaining structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rigid plastic packaging is used, then structural integrity and moisture protection are improved, but environmental sustainability deteriorates due to non-biodegradability
Solution Approach 1:
The packaging uses a composite structure combining biodegradable material (paperboard, pulp, or biodegradable plastic) with a barrier coating layer. This composite approach provides both structural integrity from the rigid biodegradable substrate and moisture protection from the barrier coating, while maintaining environmental sustainability through biodegradability.
2Object-affected harmful factors
If biodegradable material is used, then environmental sustainability is improved, but structural integrity deteriorates due to premature degradation and moisture exposure
Solution Approach 1:
The barrier coating acts as an intermediary layer between the biodegradable packaging material and the moisture environment. This coating mediates the interaction by providing moisture protection to the biodegradable material, preventing premature degradation while maintaining environmental sustainability.
Solution Approach 2:
The composite structure combines biodegradable material with barrier coating to achieve both environmental sustainability and structural integrity. The barrier coating protects the biodegradable material from moisture, preventing strength loss while maintaining eco-friendliness.
3Reliability
If barrier coating is applied to biodegradable packaging, then moisture protection is improved, but manufacturing complexity increases
Solution Approach 1:
The patent specifies that the barrier coating comprises from 0.1 to 5% wt of the container, optimizing the coating amount to provide adequate moisture protection while minimizing manufacturing complexity and cost. This parameter optimization balances protection requirements with manufacturing simplicity.
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 provides a commercially viable, biodegradable packaging system that prevents capsule sticking and maintains structural integrity, ensuring safe and secure storage of unit dose detergent products while being environmentally friendly.
Implementation Method 1
incorporating a barrier coating and adhesive to control humidity
Data Source
AI summary
A container for unit dose liquid detergent products, said container comprising a lid and a base, wherein at least 50% of the lid and/or base comprise a biodegradable material, wherein said base and top are co-operable so as to form a closed container and which is openable to access the contents by pulling them apart, said lid and base comprising a barrier coating and optional adhesive for adhering the barrier coating to the lid and base, said container comprising a plurality of unit dosed detergent products and wherein said barrier coating and optional adhesive comprises from 0.1 to 5% wt. of the container in the absence of the unit dose detergent products.