Silyl Ether Sulfonate Salt for Halogen-Free Ionic Liquids
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Solution Overview
Problem
Existing ionic liquids often contain halogen atoms, leading to environmental concerns, and there is a need for a halogen-free alternative.
Innovation Solution
A silyl ether-containing sulfonate salt is developed, comprising a specific anion and cation structure that forms an ionic liquid with a melting point of 100°C or lower, free of halogen atoms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If halogen atoms are used in ionic liquid structure, then ionic liquid properties are achieved, but environmental load increases
Solution Approach 1:
The patent removes halogen atoms from the ionic liquid structure entirely, extracting the harmful element while preserving the functional ionic liquid properties through alternative chemical composition (sulfonate salt with silyl ether structure)
Solution Approach 2:
The patent changes the chemical composition parameters by introducing a novel sulfonate salt structure with silyl ether groups, altering the molecular structure to eliminate halogen atoms while maintaining ionic liquid characteristics such as low melting point and desired functional properties
Data Source
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AI summary
Provided is a silyl ether-containing sulfonate salt that contains an anion represented by formula (1) and a cation. (In the formula, R1 to R4 are each independently a C1-4 alkyl group. m is an integer from 1 to 3. n is an integer from 2 to 8.)