Glass transition of polymers in bulk, confined geometries, and near interfaces

S Napolitano, E Glynos, NB Tito - Reports on Progress in Physics, 2017 - iopscience.iop.org
When cooled or pressurized, polymer melts exhibit a tremendous reduction in molecular
mobility. If the process is performed at a constant rate, the structural relaxation time of the …

Physical aging in polymers and polymer nanocomposites: recent results and open questions

D Cangialosi, VM Boucher, A Alegría, J Colmenero - Soft Matter, 2013 - pubs.rsc.org
Physical aging is a ubiquitous phenomenon in glassy materials and originates from the fact
that they are generally out-of-equilibrium. Due to the technological and fundamental …

Dynamics near free surfaces and the glass transition in thin polymer films: a view to the future

MD Ediger, JA Forrest - Macromolecules, 2014 - ACS Publications
The past 20 years have seen a substantial effort to understand dynamics and the glass
transition in thin polymer films. In this Perspective, we consider developments in this field …

Irreversible adsorption of polymer melts and nanoconfinement effects

S Napolitano - Soft Matter, 2020 - pubs.rsc.org
For almost a decade, growing experimental evidence has revealed a strong correlation
between the properties of nanoconfined polymers and the number of chains irreversibly …

Glassy dynamics of soft matter under 1D confinement: How irreversible adsorption affects molecular packing, mobility gradients and orientational polarization in thin …

S Napolitano, S Capponi, B Vanroy - The European Physical Journal E, 2013 - Springer
The structural dynamics of polymers and simple liquids confined at the nanometer scale has
been intensively investigated in the last two decades in order to test the validity of theories …

Effect of nanostructure on the thermal glass transition and physical aging in polymer materials

D Cangialosi, A Alegria, J Colmenero - Progress in Polymer Science, 2016 - Elsevier
We review the recent activity aiming to clarify glassy dynamics in nanostructured polymer
glasses, in particular thin films, nanocomposites and nanospheres. Special emphasis is …

On the equivalence between the thermodynamic and dynamic measurements of the glass transition in confined polymers

RD Priestley, D Cangialosi, S Napolitano - Journal of non-crystalline solids, 2015 - Elsevier
Understanding why the glass transition temperature (T g) of polymers deviates substantially
from the bulk with nanoscale confinement has been a 20-year mystery. Ever since the …

Direct measurement of glass transition temperature in exposed and buried adsorbed polymer nanolayers

MJ Burroughs, S Napolitano, D Cangialosi… - …, 2016 - ACS Publications
We employ a fluorescence bilayer method to directly measure the glass transition
temperature (T g) of the irreversibly adsorbed layer of polystyrene (PS) buried in bulk films …

Glass transition phenomenon for conjugated polymers

Z Qian, Z Cao, L Galuska, S Zhang… - … Chemistry and Physics, 2019 - Wiley Online Library
Conjugated polymers are emerging as promising building blocks for a broad range of
modern applications including skin‐like electronics, wearable optoelectronics, and sensory …

Dynamics and thermodynamics of polymer glasses

D Cangialosi - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
The fate of matter when decreasing the temperature at constant pressure is that of passing
from gas to liquid and, subsequently, from liquid to crystal. However, a class of materials can …