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It is reported that the use of this PEN polyethylene naphthalene phenol resin material and the current traditional food packaging material PET polyethylene terephthalate mixed to form a new PEN/PET material, with high heat resistance, resistance to embrittlement, not afraid of moisture, Antioxidant and UV resistant advantages. Due to the high heat-resistant properties of the new food packaging materials, food packaging can be done at high temperatures. For example, jams can be hot-packed at 94 degrees Celsius, so the food life can be effectively extended.
A new type of PEN polyethylene naphthalene phenolic resin with high heat-resistant food packaging material has been successfully developed by the Food Technology Center of GueCph University, Ontario, Canada.