Effects of additives on gel-spinning of ultra-high molecular weight polyethylene |
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| Authors: | Jan Smook Herman B. Savenije Albert J. Pennings |
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| Affiliation: | (1) Department of Polymer Chemistry, State University of Groningen, Nijenborgh 16, NL-9747 AG Groningen, The Netherlands;(2) Present address: Enka Research Institute, Velperweg 76, NL-6800 AB Arnhem, The Netherlands;(3) Present address: Dow Chemical, P. O. Box 48, NL-4530 AA Terneuzen, The Netherlands |
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| Abstract: | ![]()
Conclusions As judged from the fibre tensile strength-extrudate draw speed relationship for UHMWPE solutions in paraffin oil, carbon black particles diminish flow instabilities and extrudate irregularities as does EPDM rubber. Reductions in fibre tensile strength by both additives is caused by their weakening the fibre structure.Increasing the shear rate at the wall by using a more abrupt die geometry lowers drastically the mechanical properties of the fibres. |
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