Drawing behavior and mechanical properties of ultra-high molecular weight polyethylene blends with a linear polyethylene wax 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Polymer: The International Journal for the Science and Technology of Polymers
年/卷/期
2018 / 153 /
页码
354-361
ISSN号
0032-3861
作者单位
Eindhoven Univ Technol, Lab Funct Organ Mat & Devices, POB 513, NL-5600 MB Eindhoven, Netherlands;Eindhoven Univ Technol, Lab Funct Organ Mat & Devices, POB 513, NL-5600 MB Eindhoven, Netherlands;Eindhoven Univ Technol, Lab Funct Organ Mat & Devices, POB 513, NL-5600 MB Eindhoven, Netherlands;
作者
Shen, Lihua;Severn, John;Bastiaansen, Cees W. M.;
摘要
Ultra-high molecular weight polyethylene (UHMWPE; M-w = 103 kg/mol) is blended with a low molecular weight, linear polyethylene (PEwax; M-w = 1 kg/mol) and the solid state drawing behavior and mechanical properties are explored. The results indicate that the low molecular weight polyethylene wax acts as a solvent for the UHMWPE which leads to an improvement in rheological properties and the maximum attainable draw ratio of the blends. The maximum attainable Young's modulus of the drawn films increases with more than a factor 2 without removal of the solvent. Moreover, it is found that the maximum attainable tensile strength of the drawn blends also increases significantly from similar to 1 GPa to similar to 1.5 GPa upon addition of 60 wt% of the PEwax. Based on these results, a new route is proposed for the processing of highly oriented polyethylene, which has certain characteristics in common with both melt spinning and solution spinning but, in fact, is neither of the two. (C) 2018 Elsevier Ltd. All rights reserved.
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关键词/主题词
Ultra-high molecular weight polyethylene;Drawing behavior;Mechanical properties;
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