Biodegradable Sampling Bag Using LDPE and ECM Biofilms Additive
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current sterile sampling bags are not environmentally friendly and face challenges in maintaining physical and chemical integrity when exposed to microbial action, which is critical for their intended use in industries like food, pharmaceutical, and medical sectors, while also needing to be biodegradable.
Innovation Solution
A biodegradable sampling bag made from Low-Density Polyethylene (LDPE) with an ECM Biofilms additive that allows microbial action to break down the plastic, maintaining stability until disposal in a compost or sewage environment, ensuring the bag remains intact during its useful life and meets regulatory standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional plastic materials are used for sampling bags, then physical integrity and stability are maintained, but environmental friendliness deteriorates
Solution Approach 1:
The sampling bag uses a composite material system consisting of LDPE base polymer combined with ECM Biofilms additive containing microbial enzymes. This composite structure allows the material to maintain its physical integrity and stability during the sampling period while enabling biodegradation through microbial action, thus resolving the contradiction between environmental friendliness and physical stability.
2Object-affected harmful factors
If biodegradable materials are used for sampling bags, then environmental friendliness is improved, but physical integrity and stability deteriorate
Solution Approach 1:
The invention changes the chemical composition parameters of the plastic material by incorporating ECM Biofilms additive into LDPE. This parameter modification enables the material to exhibit biodegradable properties while maintaining sufficient physical integrity for sampling applications, thus resolving the contradiction between environmental friendliness and reliability.
3Object-affected harmful factors
If the bag degrades quickly through microbial action, then environmental degradation is improved, but the bag's useful life and stability deteriorate
Solution Approach 1:
The sampling bag material exhibits dynamic properties where its degradation rate adapts to environmental conditions. The ECM Biofilms additive remains dormant during storage and handling, maintaining the bag's integrity throughout its useful life. When exposed to microbial environments (compost, sewage), the material dynamically transitions to rapid biodegradation, thus resolving the contradiction between shelf life and biodegradation rate.
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 biodegradable sampling bag retains physical and chemical integrity for at least three months, meeting industry standards for sterility, non-leachability, and stability, while degrading only when exposed to microbial environments, thus addressing environmental concerns and regulatory requirements.
Implementation Method 1
said plastic material containing an additive that renders said flexible enclosure biodegradable when exposed for a sufficient period of time to microbial action
Data Source
AI summary
A biodegradable sampling bag for containing samples or the like, comprises a flexible enclosure defining a chamber adapted to contain therein the sample, the flexible enclosure being made of a plastic material, which contains an additive that renders the flexible enclosure biodegradable when exposed for a sufficient period of time to microbial action. The additive is adapted to enable microorganisms to metabolize the molecular structure of said flexible enclosure. The additive is effective in altering the polymer chain of the plastic material to allow microbial action of a suitable environment to colonize in and around the plastic material, whereby microbes can then form a biofilm on a surface of the flexible enclosure and secrete acids which break down the entire polymer chain. The flexible enclosure, when exposed to microbial action, is adapted to withstand biodegradation for a given period of time, typically of at least three months.