An Overview of Molten Polymer Drawing Instabilities
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Y. Demay
Abstract
Drawing instabilities and rupture are a serious limitation in polymer fibre and film processing. Draw resonance and fibre or film rupture depend on the processing conditions, heat transfer and on the rheology of the polymer and some of these defects may also be encountered for Newtonian fluids. This paper reviews the different instabilities observed in fibre spinning, cast-film and film blowing. The time dependent equations are presented for the simplified situation of constant width cast-film and two modelling strategies, linear stability analysis and direct simulation, are proposed and then applied to the different fibre and film processes.
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Articles in the same Issue
- Contents
- Contents
- Invited Articles
- The Effect of Molecular Parameters on the Thermal Behavior of Recycled and Virgin Polyamides and Their Glass Fiber Composites
- Carbon Nanotube Conductive Networks through the Double Percolation Concept in Polymer Systems
- Application of the Experimental Results to the Modified Halpin-Tsai Micromechanical Model to Evaluate the Clay Dispersion in Clay-Reinforced Polyethylene Nanocomposites
- Influence of Solvent Washing and Soxhlet Extraction on the Thermal Stability of Organically Modified Layered Silicates
- Effect of Screw Rotation Speed on the Properties of Polycarbonate/Vapor-Grown Carbon Fiber Composites Prepared by Melt Compounding
- Simulation of Co-Rotating Twin Screw Extrusion Process Subject to Pressure-Dependent Wall Slip at Barrel and Screw Surfaces: 3D FEM Analysis for Combinations of Forward- and Reverse-Conveying Screw Elements
- Preparation of Polymer-Clay Nanocomposites by Melt Mixing in a Twin Screw Extruder: Using On-Line SAOS Rheometry to Assess the Level of Dispersion
- Residence Time Distribution in a High Shear Twin Screw Extruder
- PVDF/Carbonnanotubes/Nanoclay Composites for Piezoelectric Applications
- Viscoelastic and Electrical Properties of Carbon Nanotubes Filled Poly(butylene succinate)
- Sealability and Seal Characteristics of PE/EVA and PLA/PCL Blends
- Effects of Polymer Viscosity and Nanofillers on Morphology of Nanofibers Obtained by a Gas Jet Method
- Modeling of the Torque Requirements for the Mixing and Dispersion of Silica into Rubber
- High Shear Processing of (PP/EPR)/Silica Nanocomposites: Improvement of Morphology and Properties
- An Overview of Molten Polymer Drawing Instabilities
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts
Articles in the same Issue
- Contents
- Contents
- Invited Articles
- The Effect of Molecular Parameters on the Thermal Behavior of Recycled and Virgin Polyamides and Their Glass Fiber Composites
- Carbon Nanotube Conductive Networks through the Double Percolation Concept in Polymer Systems
- Application of the Experimental Results to the Modified Halpin-Tsai Micromechanical Model to Evaluate the Clay Dispersion in Clay-Reinforced Polyethylene Nanocomposites
- Influence of Solvent Washing and Soxhlet Extraction on the Thermal Stability of Organically Modified Layered Silicates
- Effect of Screw Rotation Speed on the Properties of Polycarbonate/Vapor-Grown Carbon Fiber Composites Prepared by Melt Compounding
- Simulation of Co-Rotating Twin Screw Extrusion Process Subject to Pressure-Dependent Wall Slip at Barrel and Screw Surfaces: 3D FEM Analysis for Combinations of Forward- and Reverse-Conveying Screw Elements
- Preparation of Polymer-Clay Nanocomposites by Melt Mixing in a Twin Screw Extruder: Using On-Line SAOS Rheometry to Assess the Level of Dispersion
- Residence Time Distribution in a High Shear Twin Screw Extruder
- PVDF/Carbonnanotubes/Nanoclay Composites for Piezoelectric Applications
- Viscoelastic and Electrical Properties of Carbon Nanotubes Filled Poly(butylene succinate)
- Sealability and Seal Characteristics of PE/EVA and PLA/PCL Blends
- Effects of Polymer Viscosity and Nanofillers on Morphology of Nanofibers Obtained by a Gas Jet Method
- Modeling of the Torque Requirements for the Mixing and Dispersion of Silica into Rubber
- High Shear Processing of (PP/EPR)/Silica Nanocomposites: Improvement of Morphology and Properties
- An Overview of Molten Polymer Drawing Instabilities
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts