Relaxation behavior of polymer thin films: Effects of free surface, buried interface, and geometrical confinement

B Li, S Zhang, JS Andre, Z Chen - Progress in Polymer Science, 2021 - Elsevier
The glass transition temperature (T g) of polymer thin films, one of the most important
parameters to characterize the relaxation behavior of polymer chains in a thin film, has been …

Direct visualization and characterization of interfacially adsorbed polymer atop nanoparticles and within nanocomposites

K Randazzo, M Bartkiewicz, B Graczykowski… - …, 2021 - ACS Publications
Irreversible adsorption at polymer/substrate interfaces has been reported to influence glassy
properties in thin films. However, consideration has yet to be extended to the nanocomposite …

Investigation of the atmospheric moisture effect on the molecular behavior of an isocyanate-based primer surface

S Zhang, L Hsu, A Toolis, B Li, J Zhou, T Lin, Z Chen - Langmuir, 2021 - ACS Publications
A primer coating is engineered to facilitate compatibility between products like adhesives,
sealants, and potting compounds and targeted substrates. Prolonged exposure of …

Local orientation of chains at crystal/amorphous interfaces buried in isotactic polypropylene thin films

D Kawaguchi, K Yamamoto, T Abe, N Jiang… - Physical Chemistry …, 2021 - pubs.rsc.org
A better understanding of the aggregation states of polymer chains in thin films is of pivotal
importance for developing thin film polymer devices in addition to its inherent scientific …

Influence of polymer molecular weight on chain conformation at the polystyrene/silver interface

BM de Lima, PL Hayes, PM Wood-Adams - Langmuir, 2021 - ACS Publications
The dependence between the conformation of polystyrene (PS) and its molecular weight
(Mw) in the vicinity of a metal interface was investigated by sum frequency generation (SFG) …

Temperature and Thickness Dependence of the Time Scale of Crystallization of Polymers under 1D Confinement

B Wang, A Mathew, S Napolitano - ACS macro letters, 2021 - ACS Publications
Confined in nanodomains, polymers crystallize much slower than in bulk due to both finite
size and interfacial effects. These two factors are successfully disentangled in our …

Sum Frequency Generation Spectroscopy for Understanding the Polymer Dynamics at Buried Interfaces

D Kawaguchi, K Tanaka - Spectroscopic Techniques for …, 2021 - Wiley Online Library
Vibrational spectroscopy based on sum frequency generation (SFG), which is attained under
a condition that centrosymmery of a medium is broken, is a powerful way to examine static …