CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Nature of Molecular Network in Thermal Shrinkage Behavior of Oriented High-Density Polyethylene
Fu, LL; Jiang, ZY; Enderle, HF; Lilge, D; Li, XH; Funari, SS; Men, YF; men@ciac.ac.cn
2014
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume52Issue:5Pages:368—376
AbstractShrinkage and structural evolution of oriented high-density polyethylene on heating were investigated by a combination of thermomechanical analysis (TMA) and synchrotron small angle X-ray scattering (SAXS) techniques. Under varying load conditions, TMA study was performed to record the continuous length changes as a function of temperature. The value of shrinkage without any load could be evaluated by a linear extrapolation method, which eliminated the influence of the required tension by traditional TMA approach. In addition, the apparent modulus of network was used to describe the nature of entangled molecular network in detail during the shrinkage process. Importantly, it was found that the apparent modulus decreased gradually with increasing temperature. Furthermore, the SAXS data provided a direct evidence for the variation trend of shrinkage stress obtained by the tensile testing stage, and the results confirmed that the shrinkage force mainly originates from interfibrillar networks. (c) 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2014, 52, 368-376
KeywordX-ray-scattering Entanglement Density Structural Evolution Tensile Deformation Polymers Stress Polypropylene Model Thermoplastics Temperature
Indexed BySCI
Language英语
WOS IDWOS:000331085700003
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14267
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authormen@ciac.ac.cn
Recommended Citation
GB/T 7714
Fu, LL,Jiang, ZY,Enderle, HF,et al. Nature of Molecular Network in Thermal Shrinkage Behavior of Oriented High-Density Polyethylene[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2014,52(5):368—376.
APA Fu, LL.,Jiang, ZY.,Enderle, HF.,Lilge, D.,Li, XH.,...&men@ciac.ac.cn.(2014).Nature of Molecular Network in Thermal Shrinkage Behavior of Oriented High-Density Polyethylene.JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,52(5),368—376.
MLA Fu, LL,et al."Nature of Molecular Network in Thermal Shrinkage Behavior of Oriented High-Density Polyethylene".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 52.5(2014):368—376.
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