Abstract
A simple, physical model has been developed to describe orientation in thermoplastic polymers, involving the boundary slip and rotation of rod-like structural elements. Orientation parameters have been calculated, and expressions for the birefringence and elastic mechanical anisotropy deduced. Results on cold-drawn, low-density polyethylene agree well with this model.
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Owen, A.J. Orientation in low-density polyethylene due to an elementary slip process. Colloid & Polymer Sci 266, 311–315 (1988). https://doi.org/10.1007/BF01451813
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DOI: https://doi.org/10.1007/BF01451813