ICCAS OpenIR
Two Lamellar to Fibrillar Transitions in the Tensile Deformation of High-Density Polyethylene
Jiang, Zhiyong1; Tang, Yujing1; Rieger, Jens2; Enderle, Hans-Friedrich3; Lilge, Dieter3; Roth, Stephan V.4; Gehrke, Rainer4; Heckmann, Walter2; Men, Yongfeng1
2010-05-25
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume43Issue:10Pages:4727-4732
AbstractThe structural evolution of tensile-deformed high-density polyethylene (HDPE) at the lamellar level was investigated as a function of strain using a scanning synchrotron small-angle X-ray scattering technique. Intralamellar crystalline block slips were activated at small deformations, whereas stress-induced fragmentation and recrystallization process proceeded at a larger strain, yielding lamellae with polymeric chains preferentially oriented along the stretching direction. The critical strains marking the onset of the destruction of original crystallites and the fibril formation for isothermally crystallized HDPE were at about 0.4 and 1.2, respectively. In the case of a quenched sample, the critical strain was 0.4. In the isothermally crystallized sample two critical values were observed that could be traced back to the existence of two populations of lamellar stacks with significantly different interlamellar amorphous phase thicknesses. This resulted in distinct mobilities of the amorphous domains and, therefore, different moduli or the entangled amorphous networks. Consequently, the strain required to produce the critical network stress, which gave rise to a fragmentation of the crystalline blocks, was different for each stack of crystalline lamellae.
DOI10.1021/ma100303d
Indexed BySCI
Language英语
WOS IDWOS:000277649500040
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:69[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69144
Collection中国科学院化学研究所
Corresponding AuthorMen, Yongfeng
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.BASF SE, Polymer Res, D-67056 Ludwigshafen, Germany
3.Basell Polyolefine GmbH, R&D, D-65926 Frankfurt, Germany
4.DESY, HASYLAB, D-22607 Hamburg, Germany
Recommended Citation
GB/T 7714
Jiang, Zhiyong,Tang, Yujing,Rieger, Jens,et al. Two Lamellar to Fibrillar Transitions in the Tensile Deformation of High-Density Polyethylene[J]. MACROMOLECULES,2010,43(10):4727-4732.
APA Jiang, Zhiyong.,Tang, Yujing.,Rieger, Jens.,Enderle, Hans-Friedrich.,Lilge, Dieter.,...&Men, Yongfeng.(2010).Two Lamellar to Fibrillar Transitions in the Tensile Deformation of High-Density Polyethylene.MACROMOLECULES,43(10),4727-4732.
MLA Jiang, Zhiyong,et al."Two Lamellar to Fibrillar Transitions in the Tensile Deformation of High-Density Polyethylene".MACROMOLECULES 43.10(2010):4727-4732.
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