Structural evolution of tensile deformed high-density polyethylene at elevated temperatures: Scanning synchrotron small- and wide-angle X-ray scattering studies
Jiang, ZY; Tang, YJ; Rieger, J; Enderle, HF; Lilge, D; Roth, SV; Gehrke, R; Wu, ZH; Li, ZH; Men, YF; Wu ZH(吴忠华); Li ZH(李志宏)
刊名POLYMER
2009
卷号50期号:16页码:4101-4111
关键词SAXS Polyethylene Deformation
学科分类Polymer Science
DOI10.1016/j.polymer.2009.06.063
通讯作者[Jiang, Zhiyong ; Tang, Yujing ; Men, Yongfeng] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China ; [Rieger, Jens] BASF SE, Polymer Phys, D-67056 Ludwigshafen, Germany ; [Enderle, Hans-Friedrich ; Lilge, Dieter] Basell Polyolefine GmbH, R&D, D-65296 Frankfurt, Germany ; [Roth, Stephan V. ; Gehrke, Rainer] HASYLAB, D-22607 Hamburg, Germany ; [Roth, Stephan V. ; Gehrke, Rainer] DESY, D-22607 Hamburg, Germany ; [Wu, Zhonghua ; Li, Zhihong] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China
文章类型Article
英文摘要The structural evolution of an ice-quenched high-density polyethylene (HDPE) subjected to uniaxial tensile deformation at elevated temperatures was examined as a function of the imposed strains by means of combined synchrotron small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS) techniques. The data show that when stretching an isotropic sample with the spherulitic structure, intralamellar slipping of crystalline blocks was activated at small deformations, followed by a stress-induced fragmentation and recrystallization process yielding lamellar crystallites with their normal parallel to the stretching direction. Stretching of an isothermally crystallized HDPE sample at 120 degrees C exhibited changes of the SAXS diagram with strain similar to that observed for quenched HDPE elongated at room temperature, implying that the thermal stability of the crystal blocks composing the lamellae is only dependent on the crystallization temperature. The strain at a characteristic transition point associated with the first indication for the occurrence of a fibrillar structure remains essentially constant in spite of the large changes in drawing temperature and crystalline thickness. In addition, WAXS experiments were used to probe the texture changes accompanying the uniaxial elongation and yield the relationship between the orientational order parameters associated with the crystallites and the amorphous chain segments, and the imposed strain. The results support the existence of intralamellar slip processes from the very beginning of tensile deformation. (C) 2009 Elsevier Ltd. All rights reserved.
类目[WOS]Polymer Science
研究领域[WOS]Polymer Science
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语种英语
WOS记录号WOS:000268732500027
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被引频次:66[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239958
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Jiang, ZY,Tang, YJ,Rieger, J,et al. Structural evolution of tensile deformed high-density polyethylene at elevated temperatures: Scanning synchrotron small- and wide-angle X-ray scattering studies[J]. POLYMER,2009,50(16):4101-4111.
APA Jiang, ZY.,Tang, YJ.,Rieger, J.,Enderle, HF.,Lilge, D.,...&李志宏.(2009).Structural evolution of tensile deformed high-density polyethylene at elevated temperatures: Scanning synchrotron small- and wide-angle X-ray scattering studies.POLYMER,50(16),4101-4111.
MLA Jiang, ZY,et al."Structural evolution of tensile deformed high-density polyethylene at elevated temperatures: Scanning synchrotron small- and wide-angle X-ray scattering studies".POLYMER 50.16(2009):4101-4111.
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