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Article Dans Une Revue Journal of Plastic Film and Sheeting Année : 2005

Evaluation of Stresses in a Two-Layer Co-Extruded LDPE Melt Blown Film

Résumé

Despite the fast growth of co-extruded film production, little research work has been devoted to this process. Films of LDPE, ULDPE, LDPE/ULDPE and ULDPE/LDPE were produced at various processing conditions. A continuous experimental set up was used to evaluate the in-plane birefringence during bubble formation. The data collected were used to derive the axial and transverse stresses. A non-isothermal Newtonian model that allows the determination of the kinematics and dynamics of the two-layer film blowing process was then used to calculate the axial and transverse stress. Generally the calculated stresses are in agreement with the experimental values.
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Dates et versions

hal-00572061 , version 1 (01-03-2011)

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Citer

E. Gamache, Jean-François Agassant, Y. Demay, P. G. Lafleur. Evaluation of Stresses in a Two-Layer Co-Extruded LDPE Melt Blown Film. Journal of Plastic Film and Sheeting, 2005, 21 (2), pp.127-144. ⟨10.1177/8756087905057006⟩. ⟨hal-00572061⟩
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