ICCAS OpenIR
Uniaxial deformation of overstretched polyethylene: In-situ synchrotron small angle X-ray scattering study
Tang, Yujing; Jiang, Zhiyong; Men, Yongfeng; An, Lijia; Enderle, Hans-Friedrich; Lilge, Dieter; Roth, Stephan V.; Gehrke, Rainer; Rieger, Jens
2007-08-10
Source PublicationPOLYMER
ISSN0032-3861
Volume48Issue:17Pages:5125-5132
AbstractSynchrotron small angle X-ray scattering was used to study the deformation mechanism of high-density polyethylene that was stretched beyond the natural draw ratio. New insight into the cooperative deformational behavior being mediated via slippage of micro-fibrils was gained. The scattering data confirm on the one hand the model proposed by Peterlin on the static structure of oriented polyethylene being composed of oriented fibrils, which are built by bundles of micro-fibrils. On the other hand it was found that deformation is mediated by the slippage of the micro-fibrils and not the slippage of the fibrils. In the micro-fibrils, the polymer chains are highly oriented both in the crystalline and in the amorphous regions. When stretching beyond the natural draw ratio mainly slippage of micro-fibrils past each other takes place. The thickness of the interlamellar amorphous layers increases only slightly. The coupling force between micro-fibrils increases during stretching due to inter-microfibrillar polymer segments being stretched taut thus increasingly impeding further sliding of the micro-fibrils leading finally to slippage of the fibrils. (c) 2007 Elsevier Ltd. All rights reserved.
KeywordSaxs Oriented Polyethylene Deformation
DOI10.1016/j.polymer.2007.06.0562
Indexed BySCI
Language英语
WOS IDWOS:000249085000026
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:98[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62704
Collection中国科学院化学研究所
Corresponding AuthorMen, Yongfeng
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Basell Polyolefine GmbH, R&D, D-65926 Frankfurt, Germany
3.HASYLAB, DESY, D-22607 Hamburg, Germany
4.BASF AG, Polymer Phys, D-67056 Ludwigshafen, Germany
Recommended Citation
GB/T 7714
Tang, Yujing,Jiang, Zhiyong,Men, Yongfeng,et al. Uniaxial deformation of overstretched polyethylene: In-situ synchrotron small angle X-ray scattering study[J]. POLYMER,2007,48(17):5125-5132.
APA Tang, Yujing.,Jiang, Zhiyong.,Men, Yongfeng.,An, Lijia.,Enderle, Hans-Friedrich.,...&Rieger, Jens.(2007).Uniaxial deformation of overstretched polyethylene: In-situ synchrotron small angle X-ray scattering study.POLYMER,48(17),5125-5132.
MLA Tang, Yujing,et al."Uniaxial deformation of overstretched polyethylene: In-situ synchrotron small angle X-ray scattering study".POLYMER 48.17(2007):5125-5132.
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