The effect of chitin nanocrystal on the structural transition of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene/chitin nanocrystal fibers during hot-stretching process
An, MF; Xu, HJ; Lv, Y; Tian, F; Gu, Q; Wang, ZB
2017
发表期刊EUROPEAN POLYMER JOURNAL
ISSN0014-3057
卷号96期号:-页码:463-473
文章类型期刊论文
摘要The pre-stretched ultra-high molecular weight polyethylene/chitin nanocrystal composite fibers after first hot-stretching stage were prepared. The effect of chitin nanocrystal on the structural evolution of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene/chitin nanocrystal fibers during hot-stretching process was studied by using in-situ small-angle X-ray scattering, wide-angle X-ray diffraction measurements, and scanning electron microscopy. The results showed that the addition of chitin nanocrystal can improve the stretchability of pre-stretched fibers, and makes the elongation of amorphous layers between lamellae more uniform. The chitin nanocrystal accelerates the fragmentation recrystallization process of kebab crystals (lamellae) at 90, 100, and 110 degrees C and the melting recrystallization at 120 degrees C during hot-stretching process. Moreover, more fibrillar crystals form in UHMWPE/CNC fibers comparing with pure UHMWPE fibers at the same strain and stretching temperatures. These results suggest that the addition of chitin nanocrystal is conducive to the structural evolution of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene fibers during hot-stretching process.
关键词Small-angle Scattering Mechanical-properties Uhmwpe Fibers Overstretched Polyethylene Ultradrawing Properties Uniaxial Deformation Carbon-fibers High-strength Temperature Morphology
DOI10.1016/j.eurpolymj.2017.08.027
关键词[WOS]SMALL-ANGLE SCATTERING ; MECHANICAL-PROPERTIES ; UHMWPE FIBERS ; OVERSTRETCHED POLYETHYLENE ; ULTRADRAWING PROPERTIES ; UNIAXIAL DEFORMATION ; CARBON-FIBERS ; HIGH-STRENGTH ; TEMPERATURE ; MORPHOLOGY
收录类别SCI
语种英语
WOS记录号WOS:000414887700040
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28858
专题中科院上海应用物理研究所2011-2018年
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An, MF,Xu, HJ,Lv, Y,et al. The effect of chitin nanocrystal on the structural transition of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene/chitin nanocrystal fibers during hot-stretching process[J]. EUROPEAN POLYMER JOURNAL,2017,96(-):463-473.
APA An, MF,Xu, HJ,Lv, Y,Tian, F,Gu, Q,&Wang, ZB.(2017).The effect of chitin nanocrystal on the structural transition of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene/chitin nanocrystal fibers during hot-stretching process.EUROPEAN POLYMER JOURNAL,96(-),463-473.
MLA An, MF,et al."The effect of chitin nanocrystal on the structural transition of shish-kebab to fibrillar crystals of ultra-high molecular weight polyethylene/chitin nanocrystal fibers during hot-stretching process".EUROPEAN POLYMER JOURNAL 96.-(2017):463-473.
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