Ultradrawing properties of gel films of ultrahigh-molecular-weight polyethylene and low-molecular-weight polyethylene blends prepared at various formation temperatures

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题名:	Ultradrawing properties of gel films of ultrahigh-molecular-weight polyethylene and low-molecular-weight polyethylene blends prepared at various formation temperatures
作者:	Yeh, Jen-taut;Lin, Yue-tang;Chen, Kan-nan
贡献者:	淡江大學化學學系
关键词:	drawing;gels
日期:	2003-09-29
上传时间:	2009-11-04 16:57:11 (UTC+8)
出版者:	John Wiley & Sons
摘要:	The ultradrawing behavior of ultrahigh-molecular-weight polyethylene/low-molecular-weight polyethylene film specimens prepared at various concentrations and formation temperatures was studied. The critical draw ratio (Drc) of UL−0.7 film specimens was found to depend significantly on the formation temperature used to prepare the film specimens. At any fixed drawing temperature, the Drc values of UL−0.7 specimens prepared at various formation temperatures increased significantly as the formation temperatures were reduced. In fact, with an optimum drawing temperature of 95°C, the Drc values of UL−0.7 specimens prepared at a formation temperature of 0°C reached 488, about 50% higher than that of UL−0.7 specimens prepared at a formation temperature of 95°C. These interesting phenomena were investigated in terms of the thermal, birefringence, and tensile properties of these undrawn and drawn UL−0.7 specimens.
關聯:	Journal of Applied Polymer Science 89(14), pp.3728-3738
DOI:	10.1002/app.12390
显示于类别:	[化學學系暨研究所] 期刊論文

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