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Theory of shear-induced crystallization of polymer melts

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Abstract

In the presented model elements of polymer melt rheology and polymer crystallization kinetics are combined. In particular, the proneness of the melt to the special type of crystallization which is characteristic for shear treatment is supposed to emerge only gradually during shear flow. Following Avrami's early ideas on crystal growth, an induction time is introduced. In principle, the model can be applied to any flow and temperature history. The special case of isothermal flow at constant shear rate is covered in greater detail: A favorable comparison is made with experimental results, as published by Lagasse and Maxwell [10].

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  1. G. Eder & H. Janeschitz-Kriegl

    Present address: Institute of Chemistry, Linz University, Linz, Austria

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    1. G. Eder
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    2. H. Janeschitz-Kriegl
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    Dedicated to Prof. J. Meissner on the occasion for his 60th birthday.

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    Eder, G., Janeschitz-Kriegl, H. Theory of shear-induced crystallization of polymer melts. Colloid & Polymer Sci 266, 1087–1094 (1988). https://doi.org/10.1007/BF01414398

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    • DOI: https://doi.org/10.1007/BF01414398

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