Ultra-high strength polyethylene by hot drawing of surface growth fibers |
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Authors: | J Smook J C Torfs P F van Hutten A J Pennings |
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Affiliation: | (1) Department of Polymer Chemistry, State University of Groningen, Groningen, The Netherlands |
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Abstract: | Summary Hot drawing at 150°C has been applied to high molecular weight polyethylene fibers produced by flow induced crystallization in a Couette apparatus, referred to as the surface growth technique. A distinct improvement of the tensile properties of the fibers was noticed upon drawing. A tensile strength at break of 4.7 GPa was reached. Drawability is discussed in relation to fiber morphology. The shish-kebab like structure of the surface growth fiber was transformed into a morphology consisting of smooth fibrils upon drawing. |
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