Bioflavonoid Coating Adhesion for Antimicrobial Synthetic Polymers
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Solution Overview
Problem
Synthetic polymeric materials lack effective antimicrobial coatings, particularly for applications like food packaging and medical devices, due to difficulties in adhering bioflavonoid compositions, which are not readily absorbed by these surfaces.
Innovation Solution
A bioflavonoid coating comprising naringin and neohesperidin, along with other compounds, is applied to synthetic polymers, using a combination of extraction from bitter oranges and potentially enhanced with oleuropein and organic acids, to create a durable and effective antimicrobial layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bioflavonoid compositions are applied to synthetic polymeric materials, then antimicrobial properties are achieved, but adhesion to the polymer surface is poor
Solution Approach 1:
The patent employs adhesion promoters or surface treatment agents as intermediaries between the bioflavonoid coating and the synthetic polymer substrate. These intermediaries facilitate chemical or physical bonding, enabling the bioflavonoid composition to adhere effectively to low-surface-energy polymer surfaces while maintaining their antimicrobial activity.
Solution Approach 2:
The patent modifies surface energy parameters of the polymer substrate through plasma treatment, corona discharge, or chemical etching. These parameter changes create a more reactive surface that enhances the adhesion of bioflavonoid compositions, allowing effective coating application on synthetic polymers.
2Object-affected harmful factors
If bioflavonoid coating is applied to provide antimicrobial protection, then bacterial counts are reduced, but coating durability and stability are compromised
Solution Approach 1:
The patent creates composite coating systems combining bioflavonoids with polymer binders, adhesion promoters, and stabilizing agents. This composite structure enhances coating stability and durability while maintaining the antimicrobial efficacy of the bioflavonoid components on synthetic polymer surfaces.
3Ease of operation
If synthetic polymeric materials are used for packaging and medical devices, then functional performance is achieved, but antimicrobial properties are lacking
Solution Approach 1:
The patent merges the functional properties of synthetic polymers with the antimicrobial properties of bioflavonoid coatings. By combining these two materials through effective adhesion techniques, the resulting composite structure maintains the mechanical and functional performance of the polymer while adding antimicrobial protection.
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 bioflavonoid coating significantly reduces bacterial counts on packaged food and medical devices, extending shelf life and preventing oxidation, while maintaining antibacterial and antioxidant properties over time.
Implementation Method 1
the bioflavonoid compositions do not easily adhere to such polymers
Implementation Method 2
a combination of extraction from bitter oranges
Data Source
AI summary
Polymeric materials are described which have a bioflavonoid coating, the bioflavonoid content of the coating comprising at least naringin and neohesperidin. The use of such coated polymeric materials is also described as well as the process for making the coated polymeric materials.