Cloth Diaper Detergent Formulation for Skin Safety and Deep Cleaning
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Solution Overview
Problem
Current laundry detergents are inadequate for cleaning cloth diapers effectively while being gentle on baby skin and the environment, as they often contain optical brighteners, fragrances, and fabric softeners that can cause skin irritation and hinder cleaning, and existing triple-free detergents are either mild or ineffective in handling the unique soiling challenges of cloth diapers.
Innovation Solution
A specially formulated detergent that excludes optical brighteners, fragrances, and fabric softeners, using a hydrous sodium silicate as a surface tension reducer, ethoxylated alcohols as surfactants, a chlorine-free bleaching agent, and a pH balancing agent to ensure deep cleaning and gentle rinsing, while being biodegradable and non-toxic, with a blend of surfactants and water softeners to handle the complex soiling and hard water issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If optical brighteners, fragrance and fabric softeners are included in detergent, then cleaning effectiveness is improved, but skin irritation and harmful effects on baby skin increase
Solution Approach 1:
The patent removes optical brighteners, fragrance and fabric softeners from the detergent formula to eliminate harmful effects on baby skin while maintaining cleaning effectiveness through alternative ingredients
Solution Approach 2:
The patent changes the chemical composition parameters by replacing traditional detergent ingredients with alternative surfactants and builders that are safe for baby skin, such as amino acid-based surfactants and chelating agents
2Object-affected harmful factors
If triple-free detergent formula is used to avoid skin irritation, then skin safety is improved, but cleaning effectiveness on cloth diapers deteriorates
Solution Approach 1:
The patent creates a composite detergent formula combining multiple safe ingredients including amino acid-based surfactants, chelating agents, and builders that work together to provide effective cleaning on cloth diapers without causing skin irritation
Solution Approach 2:
The patent adjusts the chemical parameters by using higher concentrations of alternative surfactants and adding chelating agents to compensate for the absence of traditional detergent ingredients, maintaining cleaning effectiveness while ensuring skin safety
3Productivity
If alkali builder is used to open fabric fibers for deep cleaning, then cleaning effectiveness is improved, but skin irritation risk increases due to high pH
Solution Approach 1:
The patent modifies the pH parameters by using milder alkali builders with lower pH values that can still open fabric fibers for deep cleaning while being gentler on baby skin, reducing the risk of skin irritation
Solution Approach 2:
The patent introduces chelating agents as intermediaries that assist the alkali builder in opening fabric fibers while buffering the pH to a level that is safe for baby skin, mediating between cleaning effectiveness and skin safety
Data Source
AI summary
A composition for a highly effective laundry detergent is disclosed specifically tailored to the needs of cleaning soiled cloth diapers without employing known skin irritants and without persistent residue accumulation. The present invention discloses a composition comprising a surface active agent, a water softener, a surface tension reducer, a bleaching agent and a pH balancing agent.