MOF Moisture Regulating Composition for Packaging Humidity Control
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Solution Overview
Problem
Products often suffer from degradation due to uncontrolled moisture absorption from the environment, leading to compromised organoleptic and physical properties, necessitating the regulation of relative humidity to maintain freshness and quality throughout storage, shipping, and usage.
Innovation Solution
A moisture regulating composition comprising 20-60% Metal-organic framework compounds and 80-40% binder materials, which is applied to a support material to control the moisture content within a specific range, effectively regulating relative humidity in closed environments like packages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If barrier materials are used to reduce humidity adsorption, then moisture protection is improved, but device complexity increases
Solution Approach 1:
The patent changes the chemical composition parameters of the packaging material by incorporating metal-organic frameworks with specific pore sizes and surface areas. These parameter changes enable the material to achieve superior moisture adsorption control without requiring complex multi-layer barrier structures, thus resolving the contradiction between moisture protection and packaging simplicity.
Solution Approach 2:
The patent employs composite materials combining metal-organic frameworks with traditional packaging materials. This composite approach creates a material that integrates the moisture-regulating properties of MOFs with the structural integrity of conventional packaging, achieving effective moisture control without increasing overall device complexity.
2Reliability
If moisture content is reduced to prevent degradation, then product quality is improved, but desiccation risk increases
Solution Approach 1:
The metal-organic framework material acts as a feedback-controlled moisture buffer that automatically adsorbs or releases water vapor based on the ambient humidity levels. When humidity is high, the MOF adsorbs excess moisture; when humidity is low, it releases stored moisture. This feedback mechanism maintains product moisture content within an optimal range, preventing both degradation from excess moisture and desiccation from excessive drying.
Solution Approach 2:
The patent utilizes the tunable pore size and surface area parameters of metal-organic frameworks to control the rate and capacity of moisture adsorption and release. By adjusting these parameters, the system can be optimized to maintain product moisture within specific ranges, achieving reliable quality protection while avoiding desiccation through precise parameter control.
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 solution effectively maintains the moisture content of products within a desired range, preventing both excessive moisture absorption and desiccation, thereby preserving the quality and freshness of products during storage and usage.
Implementation Method 1
The moisture regulating composition of the invention adsorbs water at a defined range of relative humidity
Implementation Method 2
The support material is impregnated with a solution containing a moisture regulating composition comprising 20-60 weight percent on total dry weight basis of at least one Metal-organic framework compound and 80-40 weight percent on total dry weight basis of at least one binder material
Implementation Method 3
immersing the support material into the impregnating bath until the support material is impregnated with the solution of the impregnating bath
Implementation Method 4
drying the support material to evaporate the solvent from the support material
Data Source
AI summary
Moisture regulating composition comprising: 20-60 weight percent on total dry weight basis of at least one Metal-organic framework compound and 80-40 weight percent on total dry weight basis of at least one binder material.