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 …

Crystallization in thin films of polymer glasses: The role of free surfaces, solid interfaces and their competition

Y Yang, H Tian, S Napolitano, B Zuo - Progress in Polymer Science, 2023 - Elsevier
Polymer coatings of nanometric thickness are about to enter in everyday life as part of a
wide range of applications such as protective layers, stimuli-responsive membranes or as …

Processing pathways decide polymer properties at the molecular level

S Chandran, J Baschnagel, D Cangialosi… - …, 2019 - ACS Publications
Conditions of rapid processing often drive polymers to adopt nonequilibrium molecular
conformations, which, in turn, can give rise to structural, dynamical, and mechanical …

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 …

Polymers under nanoconfinement: where are we now in understanding local property changes?

CB Roth - Chemical Society Reviews, 2021 - pubs.rsc.org
Polymers are increasingly being used in applications with nanostructured morphologies
where almost all polymer molecules are within a few tens to hundreds of nanometers from …

Physical aging and vitrification in polymers and other glasses: Complex behavior and size effects

D Cangialosi - Journal of Polymer Science, 2024 - Wiley Online Library
The paradigmatic view on the transformation of a supercooled liquid into a glass, so‐called
vitrification or glass transition, and the subsequent time evolution of the non‐equilibrium …

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 …

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 …

[HTML][HTML] Surface dynamics of glasses

H Tian, Q Xu, H Zhang, RD Priestley, B Zuo - Applied Physics Reviews, 2022 - pubs.aip.org
Two challenging scientific disciplines, ie, the physics of glasses [Anderson, Science 267,
1615 (1995); Kennedy and Norman, Science 309, 75 (2005)] and interface chemistry …

Reducing the bulk fragility and suppressing the fragility-confinement effect in polystyrene with very low levels of 2-ethylhexyl acrylate comonomer

T Wang, A Peera, J Reffner, JM Torkelson - Macromolecules, 2023 - ACS Publications
The effects of nanoconfinement on the glass-transition temperature (T g) and fragility index
(m) of thin polymer films, eg, polystyrene (PS), can be substantial. We recently demonstrated …