Published February 24, 2006
| Version v1
Journal article
The Frozen State in the Liquid Phase of Side-Chain Liquid-Crystal Polymers
- 1. Institut Laue Langevin, BP 156, 38042 Grenoble Cedex 09 (France)
- 2. Laboratoire Leon Brillouin (CEA-CNRS), Ce-Saclay, 91191 Gif-sur-Yvette Cedex (France)
Description
Quenched isotropic melts of side-chain liquid-crystal polymers reveal surprisingly an anisotropic polymer conformation. This small-angle neutron-scattering (SANS) result is consistent with the identification of a macroscopic, solidlike response in the isotropic phase. Both experiments (rheology and SANS) indicate that the polymer system appears frozen on millimeter length scales and at the time scales of the observation. This result implies that the flow behavior is not the terminal behavior and that cross-links or entanglements are not a necessary condition to provide elasticity in melts
Additional details
Identifiers
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 96
- Journal Issue
- 7
- Journal Page Range
- p. 077801-077801.4
- ISSN
- 0031-9007
- CODEN
- PRLTAO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37082954
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ELASTICITY; FREEZING; LIQUID CRYSTALS; NEUTRON DIFFRACTION; POLYMERS; RHEOLOGY; SMALL ANGLE SCATTERING
- Descriptors DEC
- COHERENT SCATTERING; CRYSTALS; DIFFRACTION; FLUIDS; LIQUIDS; MECHANICAL PROPERTIES; PHASE TRANSFORMATIONS; SCATTERING
Optional Information
- Notes
- (c) 2006 The American Physical Society