Plant-Based Packaging With Polymeric Liner For Liquid Barrier
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Solution Overview
Problem
Current packaging solutions for liquids and wet materials often fail to provide a reliable waterproof barrier and are not environmentally friendly, as they typically rely on non-renewable plastics that are not recyclable or compostable.
Innovation Solution
The development of packaging that incorporates a plant-based structural layer with a pre-formed polymeric liner layer, which can be removably secured using adhesives or mechanical means, providing a waterproof and gas-impermeable barrier while being made from sustainable materials like bagasse and silicone polymers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plastic packaging is used to provide waterproof barrier, then liquid-tight and gas-tight properties are achieved, but environmental sustainability and recyclability deteriorate
Solution Approach 1:
The patent applies composite materials by combining plant-based structural layers (paperboard or cardboard) with pre-formed polymeric liner layers (silicone-based or other polymers). This composite structure provides the waterproof and gas-tight barrier properties traditionally achieved only by plastics, while the plant-based structural layer offers environmental sustainability and compostability. The polymeric liner layer is pre-formed separately and then secured to the structural layer, creating a functional composite that resolves the contradiction between reliability and environmental harm.
2Reliability
If pre-formed polymeric liner layer is separately formed and secured to plant-based structural layer, then waterproof and gas-impermeable barrier is achieved, but manufacturing process complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the packaging into separate functional components: a plant-based structural layer and a pre-formed polymeric liner layer. The liner layer is formed separately (by extrusion, molding, or coating) and then secured to the structural layer through adhesive bonding or mechanical means. This segmentation allows each component to be optimized independently and simplifies the overall manufacturing process compared to forming complex multi-layer structures in a single step.
3Object-affected harmful factors
If plant-based materials are used for structural layer, then environmental sustainability and compostability are improved, but liquid resistance and structural strength deteriorate
Solution Approach 1:
The patent applies composite materials to resolve the contradiction between environmental sustainability and structural strength. The plant-based structural layer (paperboard or cardboard) provides structural integrity, rigidity, and compostability, while the pre-formed polymeric liner layer (silicone-based or other polymers) provides the liquid-resistant and gas-impermeable barrier. Together, these composite materials achieve both environmental sustainability and adequate structural strength for packaging applications.
Data Source
AI summary
A container comprises a plant based structural layer having an inner surface and an opposed outer surface, and a pre-formed polymeric liner layer secured to the plant based structural layer and lining at least one of the inner surface and the outer surface.