Triazolium Phosphate Ester Moisture Control Material
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Solution Overview
Problem
Existing moisture control materials for air conditioners and absorption refrigerators face challenges with high viscosity, corrosiveness to metals, and instability, limiting their moisture absorption capacity and long-term usability.
Innovation Solution
A moisture control material composed of a triazolium cation and phosphate ester anion, specifically designed to have a low viscosity and reduced corrosiveness, enhancing moisture absorption properties and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional liquid moisture control materials (lithium chloride aqueous solution, calcium chloride aqueous solution, triethylene glycol, or ionic liquids) are used, then moisture absorption capacity is achieved, but viscosity is high and corrosiveness to metals occurs
Solution Approach 1:
The patent changes the chemical parameters of the moisture control material by using triethylene glycol as the base liquid and adding specific amounts of lithium chloride (5-20 mass%) and calcium chloride (5-20 mass%). This parameter optimization resolves the contradiction by achieving high moisture absorption capacity while maintaining low viscosity and reducing corrosiveness to metals compared to conventional materials.
Solution Approach 2:
The patent creates a composite moisture control material by combining triethylene glycol with both lithium chloride and calcium chloride in specific proportions. This composite approach leverages the high moisture absorption capacity of lithium chloride while calcium chloride reduces corrosiveness, and triethylene glycol maintains low viscosity, thereby resolving the contradiction between moisture absorption capacity and harmful effects.
2Quantity of substance
If ionic liquids are used as moisture control materials, then moisture absorption properties are improved, but viscosity increases and stability decreases
Solution Approach 1:
The patent changes the composition parameters by using triethylene glycol as the primary liquid component instead of ionic liquids, and adds controlled amounts of lithium chloride and calcium chloride. This parameter change maintains moisture absorption properties while significantly improving stability and reducing viscosity compared to ionic liquid-based materials.
Solution Approach 2:
The patent employs conventional, well-understood materials (triethylene glycol, lithium chloride, calcium chloride) that are more stable and less viscous than emerging ionic liquids. This approach trades the potentially superior but unstable ionic liquids for proven, stable materials that achieve comparable moisture absorption with better rheological properties.
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 triazolium phosphate ester material achieves high moisture absorption capacity with low viscosity and reduced corrosiveness, suitable for both open and closed systems, improving efficiency and longevity in air conditioning applications.
Implementation Method 1
a moisture control material having high moisture absorption properties
Data Source
AI summary
A moisture control material comprises a salt composed of a specific triazolium cation and a phosphate ester anion.