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题名:
Study on structural evolution of polytetrafluoroethylene irradiated by electron beam under stretching using SAXS/WAXS
作者: Li, XY; Tian, F; Tang, ZF; Yang, CM; Li, XH; Bian, FG; Wang, J
刊名: EUROPEAN POLYMER JOURNAL
出版日期: 2016
卷号: 83, 页码:35-41
关键词: Structural evolution ; Wide- and small-angle X-ray scattering ; Strain at break ; Crosslinked PTFE
DOI: 10.1016/j.eurpolymj.2016.07.010
通讯作者: Li, XH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai, Peoples R China. ; Tang, ZF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Nucl Radiat & Nucl Energy Technol, Shanghai, Peoples R China.
文章类型: 期刊论文
英文摘要: The structural evolution of polytetrafluoroethylene (PTFE) and crosslinked PTFE (XPTFE) irradiated by electron beam was studied using synchrotron wide- and small-angle X-ray scattering (WAXS/SAXS) before and after stretching. Before stretching, the crystal size, crystallinity and long period of lamellar decreased with increasing irradiation dose. After stretching, crystals had a preferred orientation along stretching direction for PTFE and crosslinked PTFE. For FIFE, at breaking point, the microvoids formed and caused the decreasing crystallinity; the lamellae were arranged periodically along stretching direction. For XPTFE with low irradiation dose, the lamellar structure was destroyed at break. However, the lamellae were observed to align more orderly in XPTFE with high irradiation dose. High irradiation dose induced the high density of crosslinking molecules and network structure which has protected the lamellar under force load. The structure evolution provided a reasonable explanation for mechanical property. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000385595300004
ISSN号: 0014-3057
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26636
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Li, XY,Tian, F,Tang, ZF,et al. Study on structural evolution of polytetrafluoroethylene irradiated by electron beam under stretching using SAXS/WAXS[J]. EUROPEAN POLYMER JOURNAL,2016-01-01,83:35-41.
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文件名: Study on structural evolution of polytetrafluoroethylene irradiated by electron beam under stretching using SAXS_WAXS.pdf
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