L Cristofolini et al 2003 J. Phys.: Condens. Matter 15 S1031 doi:10.1088/0953-8984/15/11/325
L Cristofolini1, P Cicuta2 and M P Fontana1
Show affiliationsWe present here results which indicate that polymeric monolayers confined at the air–water interface may provide interesting model systems for the study of glass transition phenomenology in a strongly confined 2D geometry. We report on photoinduced relaxation of the pressure–area isotherms in Langmuir monolayers of a photosensitive polyacrylate, using null-ellipsometry to study the evolution of the film thickness in the neighbourhood of the bulk glass transition. Furthermore, viscoelastic behaviour is investigated by a combination of surface quasielastic light scattering and expansion–compression isothermal cycles.
64.70.P- Glass transitions of specific systems
61.41.+e Polymers, elastomers, and plastics
68.03.-g Gas-liquid and vacuum-liquid interfaces
62.40.+i Anelasticity, internal friction, stress relaxation, and mechanical resonances
Soft matter, liquids and polymers
Issue 11 (26 March 2003)
Received 27 September 2002
Published 10 March 2003
L Cristofolini et al 2003 J. Phys.: Condens. Matter 15 S1031
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