Investigation of Structural Changes in Semi-Crystalline Polymers During Deformation by Synchrotron X-Ray Scattering

被引：39
作者：
Schneider, Konrad [1 ]
机构：
[1] Leibniz Inst Polymer Res Dresden, D-01069 Dresden, Germany
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2010年 / 48卷 / 14期
关键词：
mechanical properties; on-line X-ray scattering; polypropylene; SAXS; strain-induced crystallization; structural characterization; WAXS; MECHANICAL-PROPERTIES; TENSILE DEFORMATION; POLYETHYLENE; MODEL; BEHAVIOR;
D O I：
10.1002/polb.21971
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The mechanical behavior of polymer materials is strongly dependent on polymer structure and morphology of the material. The latter is determined mainly by processing and thermal history. Temperature-dependent on-line X-ray scattering during deformation enables the investigation of deformation processes, fatigue and failure of polymers. As an example, investigations on polypropylene are presented. By on-line X-ray scattering with synchrotron radiation, a time resolution in the order of seconds and a spatial resolution in the order of microns can be achieved. The characterization of the crystalline and amorphous phases as well as the study of cavitation processes were performed by simultaneous SAXS and WAXS. The results of scattering experiments are complemented by DSC measurements and SEM investigations. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 1574-1586, 2010
引用
收藏
页码：1574 / 1586
页数：13
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