Poly Sulfonate Alkyl Polyglucoside Surfactant for Protein Soil Removal
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Solution Overview
Problem
Conventional detergents used in institutional settings, such as alkyl phenol ethoxylates (APEs), pose environmental concerns due to their non-biodegradability and estrogen-like properties, necessitating a biodegradable and environmentally friendly alternative for hard surface cleaning.
Innovation Solution
A hard surface cleaning composition utilizing a poly sulfonate functionalized alkyl polyglucoside derived from renewable bio-based resources, combined with a water conditioning agent, acid source, and solvent, which is free of APEs and effective in removing soils containing up to 20% proteins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alkyl phenol ethoxylates (APEs) are used as surfactants in detergents, then cleaning effectiveness is improved, but environmental harm increases due to non-biodegradability and estrogen-like properties
Solution Approach 1:
The patent changes the chemical structure parameters of the surfactant by replacing the phenolic ring in APEs with a polyglucoside backbone, creating alkyl polyglucosides that maintain surfactant properties while improving biodegradability. The ethoxylate chains are replaced with sulfonate-functionalized polyglucoside structures, fundamentally altering the molecular architecture to eliminate environmental persistence and endocrine disruption while preserving cleaning efficacy.
Solution Approach 2:
The invention creates a composite surfactant structure combining alkyl chains (for hydrophobic interaction with grease) with polyglucoside backbones functionalized with sulfonate groups (for hydrophilic interaction and biodegradability). This composite approach integrates the beneficial properties of different molecular components: the hydrocarbon chain provides surfactant activity, while the polyglucoside-sulfonate portion ensures environmental compatibility and rapid biodegradation.
2Reliability
If conventional APE-based detergents are used, then grease removal capability is maintained, but biodegradability deteriorates as the substances persist in the environment indefinitely
Solution Approach 1:
The patent modifies the chemical parameters by replacing the non-biodegradable ethoxylate chains with polyglucoside structures containing beta-1,4-glycosidic bonds that are readily hydrolyzed by microorganisms. The sulfonate functional groups are incorporated at controlled densities to maintain surface activity while ensuring the polymer backbone remains accessible to enzymatic degradation, achieving rapid biodegradation without sacrificing grease removal capability.
Solution Approach 2:
The invention extracts and removes the problematic ethoxylate component from the surfactant structure and replaces it with biodegradable polyglucoside chains. By taking out the persistent aromatic ring system and replacing it with aliphatic polyglucoside structures, the patent eliminates the source of environmental persistence while maintaining the amphiphilic character necessary for grease removal.
3Object-affected harmful factors
If APEs are replaced with biodegradable alternatives, then environmental safety is improved, but cleaning performance may deteriorate
Solution Approach 1:
The patent optimizes the molecular parameters of the alkyl polyglucoside surfactant by controlling the degree of polymerization, alkyl chain length, and sulfonate functional group density. These parameter adjustments ensure that the biodegradable surfactant achieves sufficient critical micelle concentration and surface activity to match or exceed the cleaning performance of conventional APEs, while maintaining rapid biodegradation and environmental safety.
Solution Approach 2:
The invention employs a composite surfactant architecture that combines hydrophobic alkyl chains with hydrophilic polyglucoside-sulfonate head groups. This composite structure enables the biodegradable surfactant to effectively interact with both grease (hydrophobic interaction) and water (hydrophilic interaction), achieving cleaning performance comparable to APEs while ensuring environmental compatibility through rapid microbial degradation of the polyglucoside backbone.
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 demonstrates superior cleaning performance compared to NPE, offering a green and readily biodegradable solution for removing protein-based soils, thus addressing environmental concerns while maintaining cleaning efficacy.
Implementation Method 1
a poly sulfonate functionalized alkyl polyglucoside... effective at removing soils containing up to 20% proteins
Implementation Method 2
works at least as well as NPE... removing soils including up to 20% proteins
Data Source
AI summary
A cleaning composition including a primarily C12 poly sulfonate functionalized alkyl polyglucoside, a water conditioning agent, an acid source, a solvent, and water. In one embodiment, the cleaning composition is substantially free of alkyl phenol ethoxylates. The cleaning composition is capable of removing soils including up to 20% proteins. The cleaning compositions include a biorenewable, environmentally friendly alternative to nonyl phenol ethoxylates and exhibit superior cleaning of food soils.