Masterbatch barrier to oxygen (gases)
Masterbatch barrier to oxygen (gases)
In the polymer world today, the use of common polymers such as EVOH (ethylene vinyl alcohol) obtained from the copolymerization of ethylene and vinyl alcohol as a protective layer with very limited permeability against oxygen as a round barrier in the packaging of various foods such as sausages and sausages It is used in all kinds of bottles and tubes, car fuel tanks, utility pipes to protect against corrosion and also in agricultural films to protect against pesticides.
Oxygen permeability ratio at a certain temperature with 60% humidity
It can be said, for example, that nylon produced with a thickness of 1 mm from EVOH is equal to nylon produced from polypropylene (PP) with a thickness of (5 meters) or compared to polyethylene, it is equal to nylon produced with a thickness of 10 meters
It is worth mentioning that EVOH has very low permeability against other gases such as dioxide, nitrogen, hydrogen, etc., for this reason, it is used in the packaging of food and health products with MAP (Modified Atmosphere Packaging) technology. It is very important to prevent the penetration of harmful oils from the surrounding environment into the packaging. These oils can be very harmful and carcinogenic to the human body.
Now, knowing EVOH polymer, which is the result of petrochemicals production, Armen Polymer Group, from the research phase, taking into account the high cost of this polymer in order to optimize the packaging price by formulating metal elements such as cadmium, manganese, nickel, etc. Polymers (PS-PP-PE) achieve favorable impermeability properties against all kinds of gases, bacteria and oils, considering the price of about 30 dollars per bag of EVOH, the use of this masterbatch is quite economical.
Use of impermeable masterbatch against oxygen (gases)
- Food packaging such as meat products and coffee powder
- Cosmetic packaging tubes
- Utility pipes to prevent corrosion
- Car fuel tanks in order to prevent technical defects and ignition
It should be mentioned that this product is still in the phase of research and trial and error in order to complete the process and improve the impermeability