Laundry Detergent Biocide Composition for Delicate Fabric Care
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Solution Overview
Problem
There is a conflict between caring for delicate natural fabrics like silk and wool and achieving effective cleaning, as traditional laundry detergents can damage these materials and fail to eliminate microorganisms at low temperatures, leading to cross-contamination risks, especially in communal laundry settings.
Innovation Solution
A biocide composition with synergistic effects is developed, comprising biocidal compounds such as Akacid Forte and Bardap-26, which can be used in a laundry detergent to provide both detergent and biocidal properties at low temperatures without damaging silk or wool, reducing microorganisms by significant log units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional laundry detergents are used at high temperatures (60-95°C), then microorganisms are eliminated and hygienic clean laundry is achieved, but delicate natural fabrics like silk and wool are damaged
Solution Approach 1:
The invention changes the chemical parameters of the detergent formulation by incorporating specific biocidal compounds (isothiazolinones, glutaraldehyde, peracetic acid) that provide effective microorganism elimination at low temperatures without requiring high thermal energy, thus protecting temperature-sensitive fabrics while achieving hygienic cleanliness
Solution Approach 2:
The invention creates a composite detergent system combining conventional surfactants with specific biocidal compounds, where the biocidal additives provide the hygienic function that would otherwise require high temperature, allowing low-temperature washing that preserves fabric integrity while achieving reliable disinfection
2Strength
If low-temperature washing (30-40°C) is used to care for delicate fabrics, then fabric damage is minimized, but microorganisms are not effectively eliminated leading to cross-contamination risks
Solution Approach 1:
The invention modifies the chemical composition parameters by adding specific biocidal compounds that are effective at low temperatures, enabling the detergent to achieve reliable microorganism elimination without requiring high thermal energy that would damage delicate fabrics
Solution Approach 2:
The biocidal compounds act as intermediary substances that transfer the disinfection function from the thermal field (heat) to the chemical field, allowing low-temperature washing to achieve hygienic cleanliness through chemical action rather than thermal action
3Productivity
If enzyme-containing detergents are used at low temperatures, then washing effectiveness is improved, but protein-based fabrics like silk and wool are degraded by enzyme action
Solution Approach 1:
The invention extracts or removes the enzymatic cleaning function from the detergent formulation, replacing it with biocidal compounds that provide both cleaning enhancement and disinfection without the risk of protein degradation that enzymes pose to silk and wool fabrics
Solution Approach 2:
The invention uses biocidal compounds that provide effective low-temperature washing and disinfection without the long-term fabric degradation risks associated with enzymes, offering a safer alternative for delicate fabric care
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 biocide composition effectively reduces bacteria and fungi by substantial factors, providing a safe and clean laundry solution for delicate textiles at low temperatures, reducing the risk of cross-contamination and infection.
Implementation Method 1
one or more biocidal compounds for washing of textiles and materials, where washing at low temperature is desired at the same time as obtaining a biocidal effect
Data Source
AI summary
A biocidal composition is provided, which comprise a mixture of the biocides Poly-(hexamethylene-guanidium chloride) and N,N-didecyl-N-methyl-poly(oxyethyl) ammonium propionate, which biocides have a synergistic biocidal effect against bacteria and fungi. Specifically, the provided composition can be as disinfectants and general biocidal products; preservatives; pest control; control; preservatives for food or feedstocks; antifouling products; embalming and taxidermist fluids; and control of other vertebrates; vermin control on domestic animals, livestock or pets; alga control; and products for use in spas or swimming pools.