Silane-Bonded Antiviral Surface for Stable Copper Particle Retention
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Solution Overview
Problem
Current antiviral agents face limitations in effectively inactivating viruses with or without envelopes, particularly due to the need for stabilizing agents with divalent copper ions, limited copper compound loading in fibers, and maintenance issues with metal copper surfaces.
Innovation Solution
An antiviral member comprising a substrate with univalent copper compound particles supported by inorganic particles bonded via silane monomers, which form chemical bonds to create spaces for the copper particles, allowing for increased particle density and reduced maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If divalent copper ions are used as antiviral agents, then antiviral activity is achieved, but stabilizing agents must be added which limits the copper ion ratio and design freedom
Solution Approach 1:
The invention extracts and removes the stabilizing agent component from the system by switching to univalent copper compounds that inherently maintain stability without requiring additional stabilizing substances. This extraction simplifies the composition while preserving antiviral activity.
Solution Approach 2:
The invention changes the oxidation state parameter of copper from divalent (Cu2+) to univalent (Cu+), which fundamentally alters the chemical properties. Univalent copper compounds naturally maintain stability without requiring stabilizing agents, thus simplifying the overall composition while retaining antiviral effectiveness.
2Reliability
If copper compounds are included in fibers containing carboxyl groups, then antiviral effect is achieved, but salt addition is required which limits the supported amount of copper compound
Solution Approach 1:
The invention changes the chemical form of copper from compound salts to univalent copper compounds with diverse molecular structures. This parameter change eliminates the requirement for salt addition and enables significantly higher copper compound loading capacities in fiber materials.
3Reliability
If metal copper is used for antiviral activity, then broad spectrum antiviral effect is achieved, but natural oxide film adheres to surface which deteriorates antiviral activity and requires constant cleaning
Solution Approach 1:
The invention uses univalent copper compounds that are applied as coatings or embedded particles on substrate surfaces. These compounds maintain stable antiviral activity without forming degrading oxide films, eliminating the need for constant cleaning and maintenance while preserving broad-spectrum antiviral effectiveness.
4Reliability
If viruses without envelopes are targeted, then resistance to organic solvent treatment is overcome, but stronger antiviral agents are needed which may have limited availability
Solution Approach 1:
The invention employs univalent copper compounds that exhibit universal antiviral activity against both enveloped and non-enveloped viruses. This multi-functional approach overcomes the limitations of virus-specific treatments and provides broad-spectrum protection with a single agent type, enhancing both reliability and adaptability.
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 antiviral member achieves enhanced virus inactivation across various viruses with or without envelopes, offering greater design freedom and prolonged activity without special cleaning, compared to conventional methods.
Implementation Method 1
inorganic particles which have a silane monomer chemically bonded to a surface
Implementation Method 2
inorganic particles having the silane monomer on the surface thereof are bonded to each other via chemical bonds formed between the silane monomers provided on the surface of the inorganic particles
Data Source
AI summary
Disclosed is an anti-viral member which can inactivate a virus. Specifically disclosed is an anti-viral member which is characterized by comprising a base material, univalent copper compound microparticles, and inorganic microparticles which are provided for the purpose of retaining the univalent copper compound microparticles on the base material and each of which has a silane monomer bound to the surface thereof via a chemical bond, wherein the inorganic microparticles are bound to one another via chemical bonds formed between the silane monomers provided on the surfaces thereof, and each of the inorganic microparticles is bound to the base material via a chemical bond between the silane monomer and the base material to form spaces inwhich the univalent copper compound microparticles are to be retained. The anti-viral member has an extremely high anti-viral activity compared to those achieved by the conventional binder immobilization techniques, and is applicable to various materials or various products to which the materials are applied.