Single-layer or multi-layer tubular food packaging film capable of being smoked, air-dried, and peelable, especially fully automatic peelable, and manufacturing method thereof
A fully automatic, food-based technology, applied in the direction of synthetic resin layered products, packaging, layered products, etc., which can solve the problems of increased complexity, missing, peelable defects, etc.
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[0017] According to the present invention, a single-layer or multi-layer tubular food film that can be smoked, air-dried, and peeled, especially fully automatic, is proposed, especially one that is suitable for smokeable and / or air-dried sausage or meat. Casings for products, this food film based on polymers via (co)extrusion film blowing device using (co)extrusion plastics supplied to nozzles on The homogeneous molten plastic is made of polystyrene (polystyrene, abbreviated as PS) or a mixture of various PS and a plastic mixture composed of PVOH and / or PEBA.
[0018] Advantageously, not only is it possible for the first time to spray through the nozzle, and then use the bidirectional stretching of the three-bubble method to realize the large-scale production of tubular food films that can be smoked, air-dried, and peeled, especially fully automatic peeling, and It is also possible to completely dispense with the use of nets, soft carrier materials or fluff, which are consider...
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