Lignin-Derived Anionic Surfactant Detergent Composition
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need to develop detergent compositions that utilize environmentally friendly surfactants derived from green materials or waste, which are comparable to existing surfactants in terms of performance.
Innovation Solution
The use of lignin-derived anionic surfactants, specifically with structures (1) and (2), combined with other surfactants and cleaning boosters, in detergent compositions to enhance cleaning efficacy while being environmentally friendly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional surfactants are used in detergent compositions, then cleaning performance is achieved, but environmental friendliness deteriorates
Solution Approach 1:
The patent changes the chemical composition parameters by using lignin-derived anionic surfactants with specific structures (formulae 1 and 2) where R1 and R2 are alkyl or alkenyl groups with 5-15 carbon atoms total. This parameter change maintains cleaning performance while improving environmental friendliness by using renewable lignin feedstock instead of petrochemical sources
Solution Approach 2:
The patent creates a composite detergent composition containing lignin-derived anionic surfactants combined with optional nonionic surfactants (alcohol alkoxylates, alkyl polyglucosides), additional anionic surfactants, and cleaning boosters. This composite approach integrates multiple surfactant types to achieve comparable cleaning performance to traditional formulations while incorporating green lignin-based materials
2Object-affected harmful factors
If surfactants are produced from green materials like lignin, then environmental sustainability is improved, but manufacturing complexity increases
Solution Approach 1:
The patent specifies precise structural parameters for the lignin-derived surfactant (formulae 1 and 2 with R1 and R2 being alkyl or alkenyl groups containing 5-15 carbon atoms) to ensure consistent performance. By defining clear compositional parameters, the patent simplifies manufacturing control despite using complex renewable feedstock like lignin
Solution Approach 2:
The patent focuses quality improvement on the specific functional regions of the surfactant molecule - the hydrophobic alkyl/alkenyl groups (R1 and R2) and the anionic head group derived from lignin. This localized quality approach ensures that the green lignin material meets performance requirements in the critical surfactant functional regions without requiring complete restructuring of the entire manufacturing process
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 lignin-derived anionic surfactants improve the detergent's ability to remove soils, comparable to traditional surfactants, while promoting a greener and more sustainable approach to surfactant production.
Implementation Method 1
Surfactants comprise an oil soluble hydrocarbon chain with a water solubilising group attached to it. Detergent compositions comprise surfactants to remove soils from substrates.
Data Source
AI summary
The invention concerns a detergent composition, comprising: (a) from 0.5 to 40 wt. % of alignin derived anionic surfactant, wherein the lignin derived anionic surfactant has the following structure (1) or (2), preferably (1): Formula (1) or, Formula (2) wherein: M is a counterion; R1 and R2 are alkyl or alkenyl groups, each either linear or branched; the alkyl or alkyenyl groups R1 and R2 added together contain from 5 to 15 carbon atoms; with the proviso that R1 and R2 each contain at least 1 carbon atom; the invention also concerns a method, preferably a domestic method of treating a textile.