Process for reducing draw resonance in polymeric film

Details Process for reducing draw resonance in polymeric film Process for reducing draw resonance in polymeric film

1982-09-27

1984-12-04

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264556, 264171, 2642102, 2642103, 264212, 264216, 264237, 264284, 425 72R, 425224, 425385, D01D 512

Patent

active

044863772

ABSTRACT:
A process for producing polymeric film substantially free of draw resonance under conditions and at rates which would otherwise cause draw resonance in polymeric film susceptible to draw resonance wherein a fluid medium is directed against the moving film at a location between the extrusion die and the film take-up zone.

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C. B. Weinberger, G. F. Cruz-Saenz & G. J. Donnelly, "Onset of Draw Resonance During Isothermal Melt Spinning: A Comparison Between Measurements and Predictions", AICHE Journal, May 1976, (vol. 22, No. 3) pp. 441-448.
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