How does EOE Plus provide a high barrier to oxygen and water vapor?
The ability of
EOE Plus - High Level(total thickness/evoh thickness_325/25) to provide a high barrier to oxygen and water vapor is likely attributed to the presence of EVOH (Ethylene Vinyl Alcohol) in its composition. EVOH is known for its excellent barrier properties, particularly in terms of preventing the permeation of gases like oxygen and water vapor.
Here's a general explanation of how EVOH contributes to barrier properties:
EVOH Composition: EVOH is a copolymer of ethylene and vinyl alcohol. The vinyl alcohol units in the polymer chain are hydrophilic (attract water), and the ethylene units are hydrophobic (repel water). This combination creates a polymer with strong resistance to the passage of gases and moisture.
Molecular Structure: The molecular structure of EVOH contains polar hydroxyl groups, which interact with water molecules, creating a barrier against water vapor. Additionally, the closely packed structure of EVOH molecules restricts the movement of gases, providing a barrier against oxygen.
Multiple Layers: In multilayer structures like
EOE Plus - High Level(total thickness/evoh thickness_325/25), EVOH is often sandwiched between other layers. This multilayer structure enhances the overall barrier properties. The thickness of the EVOH layer, such as the specified "325/25," may also play a role in determining the barrier effectiveness.
Total Thickness: The total thickness of the material is another factor influencing its barrier properties. Thicker materials may offer enhanced resistance to gas and vapor permeation.
What are the recommended storage conditions for EOE Plus to maintain its properties and performance?
Temperature: Store EOE Plus at temperatures recommended by the manufacturer, usually in a cool and dry environment. Extreme temperatures should be avoided to prevent any potential degradation of the film.
Humidity: Maintain moderate humidity levels to prevent moisture absorption, which can affect the barrier properties of the film, especially its resistance to water vapor.
Light Exposure: Limit exposure to direct sunlight or UV radiation, as prolonged exposure can lead to degradation of certain polymers used in the film, affecting its mechanical and barrier properties.
Ventilation: Ensure proper ventilation in the storage area to prevent the accumulation of gases that could potentially interact with the film and compromise its performance.
Stacking and Handling: Store EOE Plus rolls or sheets in a way that prevents crushing or deformation. Follow proper handling procedures to avoid damage during transportation or storage.
Compatibility: Store EOE Plus away from incompatible materials, chemicals, or contaminants that could leach into the film or cause adverse reactions.
Labeling: Clearly label EOE Plus packaging with relevant information such as production date, batch number, and storage conditions to facilitate proper inventory management and traceability.