Copper Glass Biocidal Compositions Synergistic Efficacy
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Solution Overview
Problem
Current biocidal materials face challenges in achieving effective microbe inhibition across a wide range of organisms while maintaining stability and cost-effectiveness, as high concentrations of metals like copper are costly and may have undesirable effects, and organic biocides can be prohibitively expensive.
Innovation Solution
A biocidal material comprising copper-containing glass particles and organic co-biocides such as isothiazolinones, bicyclic oxazolidines, and bromine nitrogen-based compounds, which exhibit a synergistic effect, reducing the minimum bactericidal concentration and allowing for lower usage rates, thus enhancing efficacy and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high concentrations of metals like copper are used to achieve desired biocidal efficacy, then biocidal activity is improved, but cost increases and undesirable effects on coating composition occur
Solution Approach 1:
The patent combines copper-containing glass particles with organic co-biocides (isothiazolinones, bicyclic oxazolidines, or bromine nitrogen-based compounds) to create a synergistic biocidal system. This merging allows achieving enhanced biocidal efficacy at lower individual concentrations, reducing both cost and harmful effects while maintaining reliability against diverse microorganisms
Solution Approach 2:
The invention uses composite biocidal materials consisting of copper-containing glass particles combined with organic biocidal compounds. This composite approach leverages the complementary mechanisms of inorganic copper and organic biocides to achieve broader spectrum activity and improved efficacy at reduced concentrations, addressing the contradiction between effectiveness and cost/harmful effects
2Reliability
If high concentrations of organic biocides are used to achieve desired biocidal efficacy, then biocidal activity is improved, but cost increases
Solution Approach 1:
The patent merges copper-containing glass particles with organic co-biocides to create a synergistic system where the combination is more effective than either component alone. This allows reducing the concentration and cost of expensive organic biocides while maintaining or improving biocidal efficacy through the complementary action of copper particles
Solution Approach 2:
Copper-containing glass particles act as an intermediary that enhances the biocidal activity of organic compounds. The copper particles serve as a cost-effective base that amplifies the effect of smaller amounts of organic biocides, thereby reducing overall cost while maintaining high efficacy
3Ease of manufacture
If a single biocide is used to simplify formulation, then ease of manufacture is improved, but biocidal spectrum and efficacy are limited
Solution Approach 1:
The invention employs composite biocidal materials combining copper-containing glass particles with organic co-biocides. This composite formulation achieves broader biocidal spectrum and enhanced efficacy against diverse microorganisms while maintaining reasonable formulation simplicity through the integration of two complementary components
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 combination of copper-containing glass particles and organic co-biocides demonstrates a synergistic effect, achieving bactericidal activity at lower concentrations than either component alone, providing improved biocidal efficacy and stability while reducing costs.
Implementation Method 1
copper-containing glass particles... a minimum bactericidal concentration (MBC) of a combination of the at least one co-biocide and the plurality of copper-containing glass particles is less than an MBC of the at least one co-biocide in the absence of the plurality of copper-containing glass particles
Implementation Method 2
A biocidal material comprising copper-containing glass particles and organic co-biocides such as isothiazolinones, bicyclic oxazolidines, and bromine nitrogen-based compounds, which exhibit a synergistic effect, reducing the minimum bactericidal concentration and allowing for lower usage rates, thus enhancing efficacy and cost-effectiveness
Data Source
AI summary
A biocidal material includes a carrier, a plurality of copper-containing glass particles, and at least one co-biocide selected from isothiazolinones, bicyclic oxazolidines, and bromine nitrogen-based compounds. A minimum bactericidal concentration (MBC) of a combination of the at least one co-biocide and the plurality of copper-containing glass particles is less than an MBC of the at least one co-biocide in the absence of the plurality of copper-containing glass particles.