Effects of confinement on material behaviour at the nanometre size scale

M Alcoutlabi, GB McKenna - Journal of Physics: Condensed …, 2005 - iopscience.iop.org
In this article, the effects of size and confinement at the nanometre size scale on both the
melting temperature, T m, and the glass transition temperature, T g, are reviewed. Although …

[HTML][HTML] Recent advances in multi-layer composite polymeric membranes for CO2 separation: A review

Z Dai, L Ansaloni, L Deng - Green Energy & Environment, 2016 - Elsevier
The development of multilayer composite membranes for CO 2 separation has gained
increasing attention due to the desire for energy efficient technologies. Multilayer composite …

The distribution of glass-transition temperatures in nanoscopically confined glass formers

CJ Ellison, JM Torkelson - Nature materials, 2003 - nature.com
Despite the decade-long study of the effect of nanoconfinement on the glass-transition
temperature (T g) of amorphous materials, the quest to probe the distribution of T gs in …

Structural relaxation of polymer glasses at surfaces, interfaces, and in between

RD Priestley, CJ Ellison, LJ Broadbelt, JM Torkelson - Science, 2005 - science.org
We analyzed the glassy-state structural relaxation of polymers near surfaces and interfaces
by monitoring fluorescence in multilayer films. Relative to that of bulk, the rate of structural …

Model polymer nanocomposites provide an understanding of confinement effects in real nanocomposites

P Rittigstein, RD Priestley, LJ Broadbelt… - Nature materials, 2007 - nature.com
Owing to the improvement of properties including conductivity, toughness and permeability,
polymer nanocomposites are slated for applications ranging from membranes to fuel cells …

Polymer–nanoparticle interfacial interactions in polymer nanocomposites: confinement effects on glass transition temperature and suppression of physical aging

P Rittigstein, JM Torkelson - Journal of Polymer Science Part B …, 2006 - Wiley Online Library
The effects of confinement on glass transition temperature (Tg) and physical aging are
measured in polystyrene (PS), poly (methyl methacrylate)(PMMA), and poly (2‐vinyl …

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 …

Interfacial mobility scale determines the scale of collective motion and relaxation rate in polymer films

PZ Hanakata, JF Douglas, FW Starr - Nature communications, 2014 - nature.com
Thin polymer films are ubiquitous in manufacturing and medical applications, and there has
been intense interest in how film thickness and substrate interactions influence film …

Glass transition and chain mobility in thin polymer films

CB Roth, JR Dutcher - Journal of Electroanalytical Chemistry, 2005 - Elsevier
We review recent work on the motion of polymer molecules confined to thin films. There has
been considerable experimental evidence for large reductions in the glass transition …

Impacts of polystyrene molecular weight and modification to the repeat unit structure on the glass transition− nanoconfinement effect and the cooperativity length scale

CJ Ellison, MK Mundra, JM Torkelson - Macromolecules, 2005 - ACS Publications
The effect of nanoconfinement on the glass transition temperature (T g) of supported
polystyrene (PS) films is investigated over a broad molecular weight (MW) range of 5000− 3 …