The effects of pressure on the /beta/ molecular relaxation process in polyvinylidene fluoride
Conference
·
OSTI ID:5887001
The hydrostatic pressure dependence of the /beta/ molecular relaxation process of polyvinylidene fluoride (PVDF) has been investigated to 20 kbar. This relaxation is known to have a strong influence on the electrical and mechanical properties of PVDF. The observed large slowing down of the relaxation process is discussed in terms of the Vogel/endash/Fulcher equation. There is an increase in both the energy barrier to dipolar motion and the reference temperature (T/sub 0/) for the kinetic relaxation process which represents the ''static'' dipolar freezing temperature for the process.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5887001
- Report Number(s):
- SAND-89-2013C; CONF-890812-17; ON: DE89016883
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
FILMS
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYMERS
PRESSURE EFFECTS
RELAXATION
TEMPERATURE DEPENDENCE
THIN FILMS
360603* -- Materials-- Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
FILMS
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYMERS
PRESSURE EFFECTS
RELAXATION
TEMPERATURE DEPENDENCE
THIN FILMS