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 …
that they are generally out-of-equilibrium. Due to the technological and fundamental …
Enthalpy recovery in nanometer to micrometer thick polystyrene films
VM Boucher, D Cangialosi, A Alegría… - Macromolecules, 2012 - ACS Publications
The physical aging of polystyrene (PS) free-standing films has been investigated as a
function of the films thickness, ranging from several micrometers to tens of nanometers. In …
function of the films thickness, ranging from several micrometers to tens of nanometers. In …
Physical aging of polystyrene/gold nanocomposites and its relation to the calorimetric T g depression
VM Boucher, D Cangialosi, A Alegría, J Colmenero… - Soft Matter, 2011 - pubs.rsc.org
The aim of this work is to study the effect of gold nanoparticles on the segmental dynamics,
glass transition (Tg) and physical aging of polystyrene (PS). To do so, PS/gold …
glass transition (Tg) and physical aging of polystyrene (PS). To do so, PS/gold …
Free volume holes diffusion to describe physical aging in poly (mehtyl methacrylate)/silica nanocomposites
D Cangialosi, VM Boucher, A Alegria… - The Journal of chemical …, 2011 - pubs.aip.org
The spontaneous thermodynamically driven densification, the so-called physical aging, of
glassy poly (mehtyl methacrylate)(PMMA) and its nanocomposites with silica has been …
glassy poly (mehtyl methacrylate)(PMMA) and its nanocomposites with silica has been …
Enthalpy recovery of PMMA/silica nanocomposites
VM Boucher, D Cangialosi, A Alegría… - Macromolecules, 2010 - ACS Publications
In this work, we have studied the effect of silica particles on the physical aging of
nanocomposites based on poly (methyl methacrylate)(PMMA). To do that, we have followed …
nanocomposites based on poly (methyl methacrylate)(PMMA). To do that, we have followed …
Time dependence of the segmental relaxation time of poly (vinyl acetate)-silica nanocomposites
VM Boucher, D Cangialosi, A Alegría… - Physical Review E …, 2012 - APS
The aging-time dependence of the segmental relaxation time of poly (vinyl acetate)(PVAc) in
the glassy state is investigated in the bulk polymer and its nanocomposites with silica (SiO …
the glassy state is investigated in the bulk polymer and its nanocomposites with silica (SiO …
The effects of solvent casting temperature and physical aging on polyhydroxybutyrate‐graphene nanoplatelet composites
Due to their unique set of properties, polymer composites reinforced with graphenic
nanoparticles are materials of interest for applications such as actuators, sensors, and …
nanoparticles are materials of interest for applications such as actuators, sensors, and …