High-Concentration Biological Masterbatch for Plastic Biodegradation
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Solution Overview
Problem
Existing plastic materials are not adequately biodegradable due to their high molecular mass and resistance to environmental degradation, leading to significant environmental pollution from discarded products.
Innovation Solution
A masterbatch composition is developed with a high concentration of biological entities, such as enzymes and microorganisms, embedded in a carrier material, which maintains polymer-degrading activity even through industrial processing temperatures, ensuring improved biodegradability of plastic articles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a small amount of biological entities is added to plastic material, then the polymer-degrading activity is maintained, but the biodegradability improvement is insufficient
Solution Approach 1:
The patent changes the concentration parameter of biological entities from trace amounts to high concentrations (1-50% by weight), fundamentally altering the system's biodegradation capability. This parameter change enables sufficient polymer-degrading activity to achieve meaningful biodegradability improvement while maintaining processability.
Solution Approach 2:
The patent creates a composite material system combining polymer matrix with high concentrations of biological entities (enzymes, microorganisms). This composite structure allows the biological entities to be dispersed and maintained within the polymer, providing sustained polymer-degrading activity throughout the material.
2Ease of manufacture
If biological entities are mixed at elevated temperatures during manufacturing, then industrial processing is enabled, but the biological entities may lose their polymer-degrading activity
Solution Approach 1:
The patent incorporates biological entities into the polymer matrix during the manufacturing process itself, rather than adding them afterward. This preliminary action ensures the biological entities are properly distributed and protected within the material structure before final product formation, maintaining their activity through subsequent processing and use.
Solution Approach 2:
The patent optimizes processing parameters (temperature, time, mixing conditions) to balance the need for industrial processing with the preservation of biological entity activity. By controlling these parameters, the system achieves both manufacturability and functional reliability.
3Reliability
If high concentration of biological entities is used, then biodegradability is improved, but the dispersion and distribution control becomes difficult
Solution Approach 1:
The patent creates a composite material where biological entities are integrated into the polymer matrix at high concentrations. This composite structure provides a framework for maintaining uniform distribution while preserving the high biodegradability performance, as the polymer matrix acts as a carrier and stabilizer for the biological entities.
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 masterbatch composition effectively enhances the biodegradability of plastic articles by maintaining the activity of biological entities throughout the manufacturing process, resulting in products that degrade more efficiently under environmental conditions.
Implementation Method 1
biological entities having a polymer-degrading activity
Implementation Method 2
biological entities are interestingly able to degrade at least one polymer of said plastic material
Data Source
Figure 1A~1B
Figure 2~3
Figure 4~5
AI summary
The present invention relates to a masterbatch composition comprising high concentration of biological entities having a polymer-degrading activity and uses thereof for manufacturing biodegradable plastic articles.