2011
DOI: 10.1016/j.crme.2011.07.005
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A new model for the blown film process

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Cited by 4 publications
(2 citation statements)
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“…In addition, a single screw extruder is exclusively used in this process while both single and twin-screw extruders can be used in the cast film process [19]. In film blowing, the extruded polymer enters an annular die to form a bubble or a tube which is pulled away from the die vertically or horizontally as the polymer is being cooled by the air [20], [21]. It should be noted that the created bubble can be blown to various diameter leading to films with different widths and thicknesses with the same die.…”
Section: Film Fabrication 141 Processmentioning
confidence: 99%
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“…In addition, a single screw extruder is exclusively used in this process while both single and twin-screw extruders can be used in the cast film process [19]. In film blowing, the extruded polymer enters an annular die to form a bubble or a tube which is pulled away from the die vertically or horizontally as the polymer is being cooled by the air [20], [21]. It should be noted that the created bubble can be blown to various diameter leading to films with different widths and thicknesses with the same die.…”
Section: Film Fabrication 141 Processmentioning
confidence: 99%
“…It should be noted that the created bubble can be blown to various diameter leading to films with different widths and thicknesses with the same die. Moreover, as air is used as a cooling medium to solidify the polymer melt, the air flow rate, the film speed and temperature difference can be used to control the cooling rate [19], [20]. After cooling, two 9 nip rolls collapse the bubble into two flat layers and subsequently puller rolls take the film away from the tower.…”
mentioning
confidence: 99%