Observation of Relaxation Mechanisms of Crystalline Polymers by Electron Microscopy
スポンサーリンク
概要
- 論文の詳細を見る
Relaxation mechanisms of crystalline polymers have been clarified directly by electron microscopy. In polyethylene, the "main dispersion" which is due to the micro Brownian motion of the main chain in the amorphous phase and the "grain boundary dispersion" for the time scale of one hour can be attributed to the motion of chains in the boundary region betweeen spherulites and the slip lamellae in a spherulite, respectively. In polychlorotrifluoroethylene the slip of lamellae in a spherulite with the time scale of one hour appears above the temperature region of the "main dispersion". This indicates that the "grain boundary dispersion" coexists with the "main dispersion". In polytetrafluoroethylene, the main fraction of the "crystalline dispersion" (β dispersion) is regarded as the "grain boundary dispersion" which is due to the slip of striations within the band.
- 社団法人応用物理学会の論文
- 1968-10-05
著者
-
Takemura Tetuo
Department Of Applied Physics Faculty Of Engineering Kyushu University
-
Nakafuku Chitoshi
Department Of Applied Science Faculty Of Engineering Kyushu University
-
MINATO Kikuwo
Department of Applied Science, Faculty of Engineering, Kyushu University
-
Minato Kikuwo
Department Of Applied Science Faculty Of Engineering Kyushu University
関連論文
- Application of Ultrasonic Spectroscopy to Polymers and Liquid Crystal : Physical Acoustics
- Pressure Effects on the Carrier Mobility in Polycarbonate Doped with Pyrazolines
- Application of Ultrasonic Spectroscopy to Ferroelectric Phase Transition of VDF/TrEE Copolymer : Physical Acoustics
- Pressure Effect on Ferroelectric Phase Transition of Vinylidene Fluoride-Trifluoroethylene Copolymer (54/46 mol%)
- SAXS and AE Studies on the Origin of Softening in Poly (methyl Methacrylate) under Uniaxial Tensile Stress
- Fine Structure of the III-I Transition and Molecular Motion in Polytetrafluoroethylene
- Light Scattering Measurement in PMMA Optical Fibers
- Hypersonic Velocities and Submicrocrack Formation in Ductile Polymers under Uniaxial Tensile Stress
- Time Dependent Small Angle X-Ray Scattering Study in Poly (methyl Methacrylate) under Uniaxial Tensile Stress
- Brillouin Scattering from PMMA under Uniaxial Tensile Stress
- Ultrasonic Study of High Pressure Phase in Polyethylene
- Direct Observation of Crystal Transformation Process of Poly (vinylidene fluoride) under High Pressure by PSPC X-Ray System
- Piezoelectricity of Poly (vinylidene Fluoride) under High Pressure
- Two Dimensional X-Ray Stress/Strain Distribution Meter
- Pressure-Induced Tricritical Behavior of the SmA-Cho Transition in COC
- X-Ray Studies of Polyethylene under High Pressure
- Phase Transition of Lipid Multilameller Aqueous Suspension under High Pressure. : II. Structural Analyses of Lipid Bimembrane under High Pressure by X-Ray Studies
- The High Pressure and High Temperature Dilatometer
- Phase Transition of Lipid Multilamellar Aqueous Suspension under High Pressure : III. Laser Raman Spectroscopic Study of Dipalmitoyl Phosphatidylcholine Bimembrane under High Pressure
- Pressure Dependence of Transitions and Relaxations in Polytetrafluoroethylene
- Crystal Structure of High Pressure Phase of Polytetrafluoroethylene
- Observation of Relaxation Mechanisms of Crystalline Polymers by Electron Microscopy
- Intermediate Structure at the Ferro-to-Paraelectric Phase Transition of VDF/TrFE Copolymer (54/46 mol%)
- Rolling Friction of Metals