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 …

Interaction of surface-modified alumina nanoparticles and surfactants at an oil/water interface: a neutron reflectometry, scattering, and enhanced oil recovery study

W Al-Shatty, M Campana, S Alexander… - ACS Applied Materials …, 2022 - ACS Publications
The evaluation of the mechanism of nanoparticle (NP)/surfactant complex adsorption at the
critical oil/water interface was studied. A sophisticated technique (neutron reflectometry) was …

Local Glass Transition Temperature Tg(z) Within Polystyrene Is Strongly Impacted by the Modulus of the Neighboring PDMS Domain

YJ Gagnon, CB Roth - ACS Macro Letters, 2020 - ACS Publications
Profiles in the local glass transition temperature T g (z) within polystyrene (PS) next to
polydimethylsiloxane (PDMS) domains were determined using a localized fluorescence …

Neutron reflectometry analysis of condensed water layer formation at a solid interface of epoxy resins under high humidity

Y Liu, N Miyata, T Miyazaki, A Shundo, D Kawaguchi… - Langmuir, 2023 - ACS Publications
Water absorbed by epoxy resins from a humid atmosphere considerably influences their
structure and properties. Examining the effects of absorbed water on epoxy resins at their …

Thickness dependence of contact angles in multilayered ultrathin polymer films

ES Petek, R Katsumata - Macromolecules, 2022 - ACS Publications
The wetting behavior of ultrathin polymer films (< 100 nm) is systematically studied via
dynamic contact angle measurements on a model bilayer system of cross-linked polystyrene …

Data-driven analysis of dynamical heterogeneity in polymer melts near surfaces

W Zhao, H Huo, ZY Sun, ZY Lu - Computational Materials Science, 2024 - Elsevier
Polymer melts near solid substrates exhibit heterogeneous dynamics, which has gained
significant attention in recent decades. In this study, we propose a data-driven method …

Two-step heat fusion kinetics and mechanical performance of thermoplastic interfaces

S Wang, J Shi, T Shimizu, J Xu, Z Xu - Scientific reports, 2022 - nature.com
Thermoplastic polymers and composites are ubiquitous in the industry for their resha**
and fusing capabilities at elevated temperatures. The quality of heat-fused thermoplastic …

Entropic Contribution to the Nonlinear Mechanical Properties of Thermoplastic Elastomers

H Park, S Park, JM Park, BJ Sung - Macromolecules, 2025 - ACS Publications
Thermoplastic elastomers (TPEs), multiblock copolymers containing both hard
(crystallizable) and soft segments (SSs), are employed in various applications due to their …

Interdomain exchange and the flip-flop of cholesterol in ternary component lipid membranes and their effects on heterogeneous cholesterol diffusion

ES Song, Y Oh, BJ Sung - Physical Review E, 2021 - APS
Cell membranes are heterogeneous with a variety of lipids, cholesterol, and proteins and
are composed of domains of different compositions. Such heterogeneous environments …

How does monomer structure affect the interfacial dynamics of supported ultrathin polymer films?

AN Storey, W Zhang, JF Douglas, FW Starr - Macromolecules, 2020 - ACS Publications
We utilize recently introduced chemically specific but coarse-grained models of poly
(ethylene oxide)(PEO) and poly (methyl methacrylate)(PMMA) to explore the influence of …