Neutron Scattering and Dielectric Study on the Structural and Dynamical Peculiar Properties of Poly(vinyl chloride)
Creators
- 1. Unidad de Fisica de Materiales CSIC-UPV/EHU Apartado 1072, 20080 San Sebastian (Spain)
- 2. Departamento de Fisica de Materiales UPV/EHU, Apartado 1072, 20080 San Sebastian (Spain)
- 3. Institut fuer Festkoerperforschung, Forschungszentrum Juelich GmbH, D-52425 Juelich (Germany)
- 4. Institut Laue-Langevin, BP 156, 38042 Grenoble Cedex 9 (France)
Description
In this work we have studied the anomalous dynamical behavior of poly(vinyl chloride) (PVC) searching its origin in the dynamical heterogeneities arising from the structural peculiarities of this polymer. For this purpose we have combined dielectric spectroscopy, coherent and incoherent neutron scattering for the dynamics investigation, and SANS for resolving the heterogeneous structure of PVC. The SANS experiments indicate the existence of structural modulations that persist in the temperature range T < 430 K. We show that a distribution of glass transition temperatures due to these density modulations causes the broadening of the response from the structural relaxation and the anomalous momentum transfer dependence of the incoherent scattering function
Additional details
Identifiers
- DOI
- 10.1063/1.1764231;
Publishing Information
- Journal Title
- AIP Conference Proceedings
- Journal Volume
- 708
- Journal Issue
- 1
- Journal Page Range
- p. 594-597
- ISSN
- 0094-243X
- CODEN
- APCPCS
Conference
- Title
- 3. international symposium on slow dynamics in complex systems
- Dates
- 3-8 Nov 2003
- Place
- Sendai (Japan)
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 36092361
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- DENSITY; DIELECTRIC MATERIALS; GLASS; INCOHERENT SCATTERING; MODULATION; MOMENTUM TRANSFER; NEUTRON DIFFRACTION; PERMITTIVITY; PHASE TRANSFORMATIONS; PVC; RELAXATION; SMALL ANGLE SCATTERING; SPECTROSCOPY; TEMPERATURE RANGE 0400-1000 K; TRANSITION TEMPERATURE
- Descriptors DEC
- CHLORINATED ALIPHATIC HYDROCARBONS; COHERENT SCATTERING; DIELECTRIC PROPERTIES; DIFFRACTION; ELECTRICAL PROPERTIES; HALOGENATED ALIPHATIC HYDROCARBONS; MATERIALS; ORGANIC CHLORINE COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; ORGANIC POLYMERS; PHYSICAL PROPERTIES; POLYMERS; POLYVINYLS; SCATTERING; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES
Optional Information
- Notes
- (c) 2004 American Institute of Physics