Liquid Detergent Surfactant System for Thermally Degenerated Oil
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Solution Overview
Problem
Existing detergents struggle to effectively remove thermally degenerated oil spots from hard surfaces, as they have high viscosity due to oxidation, requiring surfactants to infiltrate and emulsify them efficiently.
Innovation Solution
A liquid detergent composition for hard surfaces containing specific alkyl or alkenyl amine oxides and monooxyethylene or polyoxyethylene alkyl or alkenyl amines, with a high content of these surfactants, facilitates surfactant infiltration and emulsification of thermally degenerated oils, enhancing detergency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional detergents are used, then general cleaning is achieved, but detergency against thermally degenerated oil spots is insufficient
Solution Approach 1:
The patent changes the chemical parameters of the surfactant system by selecting specific amine oxide types (alkyl or alkenyl amine oxide with 8-12 carbon atoms) and controlling the oxyethylene group addition (1-3 moles), which alters the surfactant's ability to interact with and emulsify thermally degenerated oil, thereby improving detergency despite the oil's high viscosity
Solution Approach 2:
The patent creates a composite surfactant system combining amine oxide with specific polyoxyethylene alkyl or alkenyl amine components, where the synergistic interaction between these components enhances penetration into and emulsification of thermally degenerated oil spots that resist conventional single-component surfactants
2Reliability
If surfactant concentration is increased to improve emulsification, then detergency improves, but formulation complexity increases
Solution Approach 1:
The patent optimizes the surfactant formulation by precisely controlling the number of oxyethylene groups (1-3 moles) added to the amine backbone, which balances emulsification efficiency with formulation simplicity, avoiding the need for excessively high surfactant concentrations while achieving effective cleaning of thermally degenerated oil
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 achieves excellent detergency against thermally degenerated oil spots by facilitating surfactant infiltration and emulsification, leading to improved cleaning efficiency.
Implementation Method 1
a liquid detergent composition for hard surfaces which contains (a1) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has 8 or more and 12 or less carbons
Data Source
AI summary
Provided are a liquid detergent composition for hard surfaces which is excellent in detergency against oil spots including a degenerated oil such as a thermally degenerated oil; and a method for cleaning a hard surface using the liquid detergent composition. The liquid detergent composition for hard surfaces contains (a) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has a predetermined number of carbons; a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has 8 or more and 24 or less carbons and the number of added moles of the oxyethylene group is 1 or more and 8 or less; and water,wherein in the amine, the content of (b) a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has a predetermined number of carbons and the number of added moles of the oxyethylene group is 1 or more and 3 or less is 50% by mass or more.