Supramolecular Polymer Composition for Selective Antimicrobial Coatings
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Solution Overview
Problem
Current inorganic antibacterial materials, such as silver and zinc oxide nanoparticles, lack selectivity and can harm both pathogenic and normal cells, leading to reduced service life and increased costs, necessitating the development of self-healing compositions with superior mechanical, antimicrobial, and prolonged release properties.
Innovation Solution
A composition comprising monomeric units with a specific structure that encapsulate hydrophobic materials like essential oils, forming a self-healing, sustained release antimicrobial coating with high mechanical strength and controlled release properties, utilizing supramolecular polymerization and hydrogen bonding for directional and reversible self-assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inorganic antibacterial materials (silver nanoparticles, zinc oxide nanoparticles) are used, then antimicrobial capability is improved, but selectivity deteriorates (harming both pathogenic and normal cells)
Solution Approach 1:
The patent divides the antimicrobial function into two separate components: (1) a supramolecular polymer matrix that provides mechanical strength and selectivity, and (2) encapsulated essential oil that provides the antimicrobial activity. This segmentation allows each component to perform its specific function without the drawbacks of inorganic nanoparticles, achieving both high antimicrobial capability and cellular selectivity.
Solution Approach 2:
The supramolecular polymer acts as an intermediary carrier that encapsulates the essential oil. This intermediary structure controls the release of the antimicrobial agent and provides the selective barrier function, preventing direct contact between the essential oil and cells while maintaining antimicrobial effectiveness against pathogens.
2Reliability
If inorganic antibacterial materials are used, then antimicrobial function is achieved, but service life deteriorates (materials suffer damage during use)
Solution Approach 1:
The patent changes the physical-chemical parameters of the polymer system by using dynamic supramolecular interactions (hydrogen bonding, pi-pi stacking, hydrophobic effects) instead of permanent covalent bonds. This allows the material to exhibit self-healing capabilities and maintained structural integrity over time, significantly extending service life while maintaining antimicrobial function.
Solution Approach 2:
The supramolecular polymer system possesses self-healing properties where broken bonds can spontaneously reform through non-covalent interactions. This self-service capability allows the coating to repair itself after mechanical damage, maintaining both structural integrity and antimicrobial function throughout extended service periods.
3Reliability
If inorganic antibacterial materials are used, then antimicrobial effect is achieved, but cost deteriorates (increased costs due to reduced service life)
Solution Approach 1:
The patent replaces expensive inorganic nanoparticles with cost-effective organic components: naturally derived essential oils and biocompatible supramolecular polymers. This substitution dramatically reduces material costs while the self-healing properties extend service life, further lowering the cost per unit time of antimicrobial protection.
4Ease of repair
If supramolecular polymer composition is used, then self-healing capability is improved, but mechanical strength may deteriorate
Solution Approach 1:
The patent creates a composite material system where the supramolecular polymer matrix provides self-healing capability through dynamic non-covalent bonds, while the encapsulated essential oil and potential cross-linking agents contribute to mechanical reinforcement. This composite approach allows both self-healing and adequate mechanical strength to coexist.
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 composition exhibits robust mechanical properties, fast healing capabilities, and sustained release of antimicrobial agents, effectively controlling microbial growth while maintaining stability and reducing the risk of harming normal cells, thus offering a more practical and cost-effective solution.
Implementation Method 1
utilizing supramolecular polymerization and hydrogen bonding for directional and reversible self-assembly
Implementation Method 2
compositions that are capable of directional and reversible intermolecular self-assembly
Implementation Method 3
one or more monomeric units that encapsulate a hydrophobic material
Data Source
AI summary
A composition includes one or more monomeric units having a structure of Formula (I). The one or more monomeric units in the composition can encapsulate a hydrophobic material. Further, the invention provides a method of preparing said composition. The present invention also provides a method of killing or controlling the growth of microorganisms by contacting the microorganisms with said composition.