Surfactant With Internal Hydrophilic Groups For Detergency And Foam Breaking
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Solution Overview
Problem
Existing nonionic surfactants, such as higher secondary alcohol alkoxylate adducts, fail to adequately satisfy detergency and rinse-aid quality requirements.
Innovation Solution
A compound represented by a specific chemical formula with a structure that includes aliphatic hydrocarbon groups, hydrophilic groups, and a hydrocarbon chain, produced by adding an alkylene oxide to a precursor compound, exhibiting high detergency and rapid foam-breaking quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If higher secondary alcohol alkoxylate adduct is used, then ease of handling is improved, but detergency and rinse-aid quality are insufficient
Solution Approach 1:
The invention changes the molecular structure parameters by introducing three hydrophilic groups (ether oxygens) into the hydrocarbon chain at specific positions, while maintaining the overall chain length and hydrophobic character. This structural modification transforms the surfactant's performance characteristics to achieve both excellent handling properties and superior detergency, resolving the contradiction between ease of handling and functional effectiveness
Solution Approach 2:
The compound combines hydrophobic hydrocarbon groups with multiple hydrophilic ether oxygen groups in a specific composite structure. This composite arrangement creates a surfactant that integrates the advantages of both hydrophobic and hydrophilic characteristics, achieving rapid foam-breaking ability while maintaining good handling properties and high detergency performance
2Ease of manufacture
If conventional surfactant structure is used, then manufacturing simplicity is maintained, but foam-breaking speed is slow
Solution Approach 1:
The invention segments the hydrocarbon chain by introducing three ether oxygen groups at specific positions along the chain. This segmentation creates intermediate polar regions that accelerate foam collapse by disrupting the foam film stability, while the overall manufacturing process remains relatively simple through conventional surfactant synthesis methods
Solution Approach 2:
The compound introduces a new dimensional characteristic by incorporating three hydrophilic groups within the hydrocarbon chain structure, creating an internal amphiphilic architecture. This structural dimensionality enables rapid foam-breaking capability while maintaining compatibility with existing manufacturing processes for linear chain surfactants
3Reliability
If surfactant concentration is increased to improve detergency, then detergency performance is improved, but gelation and thickening occur
Solution Approach 1:
The invention applies local quality by placing three hydrophilic ether oxygen groups at specific positions within the hydrocarbon chain rather than having uniform distribution. This localized arrangement of polar groups prevents excessive intermolecular interactions that lead to gelation, while still providing sufficient surface activity for high detergency performance even at low concentrations
Solution Approach 2:
The compound changes the molecular parameter distribution by introducing three hydrophilic groups at specific positions along the chain, creating a balanced hydrophile-lipophile ratio. This parameter optimization allows the surfactant to achieve high detergency at low concentrations without causing gelation or thickening, maintaining compositional stability across a wide concentration range
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 compound achieves high surface-active performance, excellent detergency, and rapid foam-breaking, even at low concentrations, while preventing gelation and thickening across a wide range of concentrations.
Implementation Method 1
the compound includes a hydrophobic group and a hydrophilic group both having multiple chains, and has a structure in which molecules are very much less likely to be oriented. The internal three hydrophilic groups-containing compound according to the present invention includes a long-chain alkyl group and a plurality of hydrophilic groups consolidated in a compact manner, and therefore has high surface-active performance
Implementation Method 2
The internal three hydrophilic groups-containing compound represented by chemical formula (1) has a rapid foam-breaking quality because the compound includes a hydrophobic group and a hydrophilic group both having multiple chains, and has a structure in which molecules are very much less likely to be oriented
Implementation Method 3
A detergent composition according to the present invention containing the internal three hydrophilic groups-containing compound is considered to be likely to form a D phase (bicontinuous structure), and therefore the detergent composition exhibits high detergency even with a low concentration of the internal three hydrophilic groups-containing compound therein, is less likely to cause gelation or thickening in a wide range of concentration
Data Source
AI summary
The present invention provides a compound that exhibits high detergency and a rapid foam-breaking quality, and a precursor compound for producing the compound. The present invention also provides a surfactant composition and a detergent composition that include the compound. The compound of the present invention is represented by the chemical formula (1) below: wherein R1 and R2 are each an aliphatic hydrocarbon group, X is a single bond or a hydrocarbon group having 1 or more and 5 or less carbon atoms, a total number of carbon atoms of R1, R2, and X is 2 or more and 39 or less, A1 is -O(-A11O)l-H, A2 is -O-CH2-CH(-O(-A21O)m-H)(-CH2-O(-A22O)n-H) or -O-CH(-CH2-O(-A23O)s-H)(-CH2-O(-A24O)t-H), A11, A21, A22, A23, and A24 are each independently an alkanediyl group having 2 or more and 8 or less carbon atoms, l, m, n, s, and t are an average value and are each independently 0 or more, and a total of l, m, and n, and a total of l, s, and t are each independently more than 0 and 200 or less.


