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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Smook, J., Torfs, J.C., van Hutten, P.F. et al. Ultra-high strength polyethylene by hot drawing of surface growth fibers. Polymer Bulletin 2, 293–300 (1980). https://doi.org/10.1007/BF00266703
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DOI: https://doi.org/10.1007/BF00266703