Sheath blowing
Structure development in polymers - Applications

Article REF: AM3121 V1

Sheath blowing
Structure development in polymers - Applications

Author : Jean-Marc HAUDIN

Publication date: April 10, 2015 | Lire en français

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3. Sheath blowing

3.1 Process overview

Sleeve blow molding is the main plastic film manufacturing process [AM3702] . It is mainly dedicated to PE, with major applications in packaging and agriculture.

In this process, described in figure 9 , the molten polymer is extruded through an annular die, which gives it the shape of a tube. This tube is stretched longitudinally...

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Bibliography

(1) - COTTO (D.), DUFFO (P.), HAUDIN (J.M.) - Cast film extrusion of polypropylene films - . Int. Polym. Proc., 4, p. 103-113 (1989).
(2) - DUFFO (P.), MONASSE (B.), HAUDIN (J.M.) - Cast film extrusion of polypropylene. Thermomechanical and physical aspects...

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