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Fiber Spinning with Molecular Models

  • Z. Chen and A. C. Papanastosiou
Published/Copyright: February 28, 2022
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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.


* Mail address: Dr. A.C.Papanastasiou, Dow Bldg 311 Dept. of Chemical Engineering, University Michigan, Ann Arbor, Michigan 481009, U.S.A.


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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Published Online: 2022-02-28
Published in Print: 2022-02-28

© 1987 Walter de Gruyter GmbH, Berlin/Boston, Germany

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