Biodegradable Resin Package with Photodegradable Microcapsules
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Solution Overview
Problem
Biodegradable plastics remain in the environment for a long time due to the lack of effective decomposition methods, as existing technologies do not utilize the decomposition conditions specific to individual biodegradable plastics, leading to prolonged decomposition times and environmental load.
Innovation Solution
A package or container made of biodegradable resin with a microcapsule containing a decomposition accelerator, where the microcapsule has a photodegradable outer shell that initiates decomposition upon exposure to light, accelerating the breakdown of the resin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If biodegradable plastic is disposed of as general garbage without specific treatment, then it can be discarded conveniently, but it remains in the environment for a long time and causes environmental load
Solution Approach 1:
The patent incorporates microcapsules containing decomposition accelerators (enzymes or microorganisms) directly into the biodegradable plastic during manufacturing. These microcapsules are activated by light exposure after disposal, initiating decomposition automatically without requiring collection, sorting, or specialized treatment facilities. This preliminary preparation enables the plastic to self-decompose rapidly when exposed to light, resolving the contradiction between convenient disposal and rapid decomposition.
2Productivity
If decomposition accelerator is added to biodegradable resin, then decomposition speed increases, but the resin structure becomes more complex
Solution Approach 1:
The patent uses microcapsules with thin shell structures to encapsulate decomposition accelerators. These microcapsules are dispersed within the biodegradable resin matrix, providing the necessary decomposition functionality while maintaining a relatively simple overall resin structure. The microcapsule approach allows the resin to remain structurally simple yet functionally enhanced, resolving the contradiction between decomposition speed and structural complexity.
3Loss of time
If microcapsule with photodegradable outer shell is used, then decomposition is triggered by light exposure upon opening, but the package structure becomes more complex
Solution Approach 1:
The patent employs photodegradable microcapsules that automatically activate upon light exposure without requiring external triggers, mechanical activation, or complex control systems. The microcapsules self-respond to ambient light when the package is opened, initiating decomposition immediately. This self-service mechanism dramatically reduces the time to start decomposition while avoiding additional structural complexity, as the activation is passive and automatic.
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 package or container effectively starts the decomposition of biodegradable resin upon opening, reducing environmental impact by utilizing light exposure to trigger the decomposition process, ensuring rapid breakdown of the plastic.
Implementation Method 1
the microcapsule has a photodegradable outer shell that initiates decomposition upon exposure to light
Implementation Method 2
a microcapsule encapsulating a microorganism or enzyme that can decompose the biodegradable resin
Data Source
AI summary
A package or container contains a biodegradable resin and a microcapsule including therein a decomposition accelerator for the biodegradable resin. The microcapsule includes an outer shell containing a resin composition having photodegradability.