Fiber Spinning with Molecular Models
-
Z. Chen
and A. C. Papanastosiou
Abstract
The isothermal fiber spinning of ciscoelastic liquid is analyzed successfully by means of the Curtiss-Bird integral constitutive equation derived from molecular theory, Glaerkin/finite element method, and Newton iteration. The analysis accounts for shear and elongational prehistories, and specified draw ratio or drawing force. Solutions are obtained at high values of elasticity, draw ratio and drawing force. The predictions agree with the analytic solution for Newtonian liquid in the limit of zero relaxation time and with experimental data from the literature on spinning of polystyrene and polypropylene melts.
Acknowledgement
Financial support for this research was provided by a NSF Research Initiation Grant-CBT 8 504 607, and by a fellowship from the Macromolecular Research Center of the University of Michigan.
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Articles in the same Issue
- Contents
- Present and Future Trends in Polymer Blends Technology**
- A Dispersive Mixing Testing Apparatus
- Injection Molding of Reinforced Thermosets
- Rheological Characterization of Sulfuric Acid Solutions of Poly(p-phenyleneterephthalamide)
- Fiber Spinning with Molecular Models
- Gel-Permeation Chromatography as a Tool for the Real-Time-Estimation of the Chain length Distribution in a Polymerization Reactor
- Second Moment Specification of Complex States of Polymer Chain Orientation in Fabricated Plastic Parts
- Thermal and Crystallization Behaviour of Polyphenylene Sulfide in Engineering Polymer Blends with HDPE
- Contents
- Review Paper
- Present and Future Trends in Polymer Blends Technology
- Original Contributions
- A Dispersive Mixing Testing Apparatus
- Injection Molding of Reinforced Thermosets
- Rheological Characterization of Sulfuric Acid Solutions of Poly(p-phenyleneterephthalamide)
- Fiber Spinning with Molecular Models
- Gel-Permeation Chromatography as a Tool for the Real-Time-Estimation of the Chain length Distribution in a Polymerization Reactor
- Second Moment Specification of Complex States of Polymer Chain Orientation in Fabricated Plastic Parts
- Thermal and Crystallization Behaviour of Polyphenylene Sulfide in Engineering Polymer Blends with HDPE
Articles in the same Issue
- Contents
- Present and Future Trends in Polymer Blends Technology**
- A Dispersive Mixing Testing Apparatus
- Injection Molding of Reinforced Thermosets
- Rheological Characterization of Sulfuric Acid Solutions of Poly(p-phenyleneterephthalamide)
- Fiber Spinning with Molecular Models
- Gel-Permeation Chromatography as a Tool for the Real-Time-Estimation of the Chain length Distribution in a Polymerization Reactor
- Second Moment Specification of Complex States of Polymer Chain Orientation in Fabricated Plastic Parts
- Thermal and Crystallization Behaviour of Polyphenylene Sulfide in Engineering Polymer Blends with HDPE
- Contents
- Review Paper
- Present and Future Trends in Polymer Blends Technology
- Original Contributions
- A Dispersive Mixing Testing Apparatus
- Injection Molding of Reinforced Thermosets
- Rheological Characterization of Sulfuric Acid Solutions of Poly(p-phenyleneterephthalamide)
- Fiber Spinning with Molecular Models
- Gel-Permeation Chromatography as a Tool for the Real-Time-Estimation of the Chain length Distribution in a Polymerization Reactor
- Second Moment Specification of Complex States of Polymer Chain Orientation in Fabricated Plastic Parts
- Thermal and Crystallization Behaviour of Polyphenylene Sulfide in Engineering Polymer Blends with HDPE