Sulfatized Esteramine Composition for Soil Dispersion and Whiteness
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Solution Overview
Problem
Existing fabric and home care products, such as laundry and dishwashing detergents, lack effective soil dispersing properties and whiteness performance, particularly when compared to esteramines without sulfate groups.
Innovation Solution
The development of sulfatized esteramines, produced by reacting alcohols with at least two hydroxy groups, lactams, and sulfuric acid, which introduce sulfate groups to enhance dispersing properties and whiteness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If esteramines without sulfate groups are used, then the product structure is simpler, but the soil dispersing properties and whiteness performance are insufficient
Solution Approach 1:
The patent creates composite molecular structures by combining esteramine frameworks with sulfate groups (OSO3-). This results in sulfatized esteramines that integrate the beneficial properties of both components: the surfactant characteristics of esteramines and the dispersing/whiteness-enhancing properties of sulfate groups, thereby resolving the contradiction between structural simplicity and performance effectiveness.
Solution Approach 2:
The patent modifies the chemical parameters of esteramines by introducing sulfate groups through chemical modification. This parameter change transforms ordinary esteramines into sulfatized esteramines with enhanced soil dispersing properties and whiteness performance, while maintaining the core esteramine structure for compatibility with existing detergent formulations.
2Illumination intensity
If esteramines without sulfate groups are used, then the manufacturing process is simpler, but the whiteness performance is poor
Solution Approach 1:
The patent incorporates sulfate groups into the esteramine structure during the manufacturing process itself, rather than adding them as a separate post-processing step. This preliminary action ensures that the whiteness-enhancing sulfate groups are already integrated into the molecular structure when the product is formulated into detergents, eliminating the need for additional treatment steps.
Solution Approach 2:
By creating sulfatized esteramines as composite molecules during synthesis, the patent achieves whiteness enhancement without requiring separate additive components. The sulfate groups are covalently bonded to the esteramine backbone, ensuring stable performance and simplifying the overall manufacturing process by reducing the number of separate ingredients needed.
3Reliability
If sulfate groups are introduced to enhance dispersing properties, then the soil dispersing properties improve, but the molecular structure becomes more complex
Solution Approach 1:
The patent introduces sulfate groups at specific locations on the esteramine molecular structure, particularly at the hydrophilic head region. This local modification concentrates the dispersing functionality where it is most needed for soil and clay interaction, while leaving the hydrophobic tail region intact for effective soil attachment, thereby achieving enhanced dispersing properties with minimal increase in overall molecular complexity.
Solution Approach 2:
The sulfatized esteramines represent a composite molecular architecture that combines the hydrophobic esteramine backbone with hydrophilic sulfate functionalities. This composite structure creates distinct functional zones within a single molecule, enabling simultaneous soil attachment and dispersal actions without requiring multiple separate chemical 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 sulfatized esteramines exhibit improved clay dispersing properties and whiteness, offering better performance in laundry and dishwashing detergents compared to esteramines without sulfate groups.
Implementation Method 1
reacting at least one alcohol containing at least two hydroxy groups (compound (A)) with at least one lactam (compound (B)) and with sulfuric acid (compound (C))
Data Source
AI summary
Fabric and home care products including sulfatized esteramines obtainable by a process comprising step a), wherein at least one alcohol containing at least two hydroxy groups (compound (A)) is reacted with at least one lactam (compound (B)) and with sulfuric acid (compound (C)).