Antimicrobial Composite Polymer with PVP-I and Copper Nanoparticles
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Solution Overview
Problem
Existing antibacterial materials are limited in their effectiveness against a broader range of microorganisms, including bacteria, molds, and viral strains, necessitating the development of more comprehensive antimicrobial materials for critical hygiene environments.
Innovation Solution
A composite polymer material is created using a thermoplastic elastomer matrix supplemented with Povidone-iodine and CuAl Carbonate, incorporating copper-based nanoparticles embedded in hydrotalcite, which can be enhanced with copper oxides, to provide broad-spectrum antimicrobial protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If antibacterial materials are used, then bacterial protection is provided, but protection against molds, fungi and viral strains is insufficient
Solution Approach 1:
The patent combines multiple antimicrobial agents (silver nanoparticles, zinc oxide, and other metal compounds) within a single polymer matrix to create a composite material that provides broad-spectrum protection against bacteria, molds, fungi, and viral strains, resolving the limitation of narrow-spectrum antibacterial materials
Solution Approach 2:
The invention uses a composite polymer material incorporating silver nanoparticles, zinc oxide, and other metal compounds embedded in a polymer matrix, leveraging the synergistic effects of multiple antimicrobial components to achieve reliable broad-spectrum antimicrobial efficacy
2Object-affected harmful factors
If multiple active additives are incorporated to broaden antimicrobial spectrum, then protection against various microorganisms is improved, but material complexity increases
Solution Approach 1:
The polymer matrix serves multiple functions simultaneously: it provides structural integrity, enables processing through typical polymer techniques, and hosts multiple antimicrobial agents that work synergistically, reducing the need for separate functional layers or components
Solution Approach 2:
The use of porous or nanoporous structures in the material allows for efficient distribution and release of multiple antimicrobial agents while maintaining a relatively simple overall material architecture that can be processed using conventional techniques
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 composite material effectively reduces bacterial loads by 99.9% or more, maintaining efficacy over time and under varying conditions, and exhibits good mechanical and thermal properties.
Implementation Method 1
consisting of copper-based nanoparticles embedded in hydrotalcite
Implementation Method 2
Material having antimicrobial activity and related product process
Implementation Method 3
supplemented with the active Povidone-iodine compounds
Implementation Method 4
capable of inhibiting bacterial growth
Data Source
AI summary
This invention concerns an antimicrobial composite polymer material through a production process that uses a combination of a polymer matrix material such as a thermoplastic elastomer (hereinafter also called TPE) supplemented with the active Povidone-iodine compounds (hereinafter also called PVP-I) and CuAl Carbonate, formed by copper-based nanoparticles embedded in hydrotalcite, to which active additives such as copper oxides CU2O, 30-50 NM, 99% and CUO, 30-50 NM, 99% can be added.