Lactamium Ionic Liquid Synthesis via Brønsted Acid Reaction
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Solution Overview
Problem
The high cost of ionic liquids has limited their widespread adoption across industries due to their expensive production methods.
Innovation Solution
The development of lactamium-based ionic liquids, which are produced through reactions between lactam compounds and Brønsted acids or metal halides, offering a cost-effective alternative for industrial-scale production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional production methods are used for ionic liquids, then the ionic liquids can be produced with desired properties, but the production cost is high
Solution Approach 1:
The patent changes the chemical parameters of the cation structure by using lactam compounds with different ring sizes (5-, 6-, 7-membered rings) and substitution patterns. This allows optimization of both production cost and ionic liquid properties while maintaining desired functionality through systematic parameter variation in the starting materials and reaction conditions
Solution Approach 2:
The patent employs inexpensive lactam compounds as starting materials that can be readily obtained from commercial sources. These simple, low-cost precursors are transformed into valuable ionic liquids through straightforward acid-catalyzed reactions, effectively replacing expensive conventional synthesis routes with economical alternatives
2Ease of manufacture
If production cost is reduced for ionic liquids, then economic viability improves, but production method complexity may increase
Solution Approach 1:
The synthesis is divided into distinct sequential steps: (1) acid-catalyzed reaction of lactam with carbonyl compound to form the ionic liquid, and (2) optional purification steps. This segmentation allows each step to be optimized independently, maintaining simplicity while achieving cost reduction through efficient process design
Solution Approach 2:
The patent uses acid catalysts as intermediaries to facilitate the reaction between lactam compounds and carbonyl compounds. These catalysts enable the transformation under mild conditions without requiring complex equipment or multi-step procedures, thus maintaining process simplicity while achieving cost-effective production
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
This approach provides a cost-effective method for producing ionic liquids, enabling their use in various applications while reducing production costs, thereby enhancing their economic viability.
Implementation Method 1
reacting a lactam compound having a formula (IV) with a Brønsted acid HX; or a Brønsted acid HX where X is a halide, and a metal halide
Data Source
AI summary
Lactamium based ionic liquids are described. They comprise at least one of:the reaction product of a lactam compound having a formula (IV)wherein n is 1, 2 or 4 to 8,and a Brøsted acid HX; or a Brøsted acid HX, where X is a halide, and a metal halide; where the reaction product is p-toluenesulfonate, halide, or the halometallate;orthe reaction product of a lactam compound having a formula (V)wherein the ring has at least C—C one double bond, and n is 1 to 8,and a Brøsted acid HX; or a Brøsted acid HX, where X is a halide, and a metal halide;orthe reaction product of a lactam compound having a formula (VI)wherein n is 1 to 8, m is 1 to 8, and the rings can be saturated or unsaturated;and a Brøsted acid HX; or a Brøsted acid HX, where X is a halide, and a metal halide.