Enhanced glass transition temperature of thin polystyrene films having an underneath cross-linked layer

L Bai, P Luo, X Yang, J Xu, D Kawaguchi… - ACS Macro …, 2022 - ACS Publications
Due to the importance of the interface in the segmental dynamics of supported
macromolecule ultrathin films, the glass transition temperature (T g) of polystyrene (PS) …

The architecture of the adsorbed layer at the substrate interface determines the glass transition of supported ultrathin polystyrene films

S Sun, H Xu, J Han, Y Zhu, B Zuo, X Wang, W Zhang - Soft Matter, 2016 - pubs.rsc.org
To elucidate the mechanism underlying the effect of polymer/solid interfacial interactions on
the dynamics of thin polymer films, the glass transition of thin end-functionalized polystyrene …

Polymer–polymer interfacial perturbation on the glass transition of supported low molecular weight polystyrene thin films

T Chang, H Zhang, X Shen, Z Hu - ACS Macro Letters, 2019 - ACS Publications
Clarifying interfacial perturbation on polymer relaxation is important for polymer material
development. Herein we investigated polymer–polymer interfacial perturbation on low …

Glass transition of the surface monolayer of polystyrene films: Effect of thermal preannealing

J Yan, Z Ma, J Xu, H Nie, H Yuan, X Wang… - …, 2023 - ACS Publications
In a previous experiment, we observed that the glass transition temperature of the surface
monolayer glass transition temperature (T gsurf) of unannealed polystyrene (PS) films spin …

Dramatic increase in polymer glass transition temperature under extreme nanoconfinement in weakly interacting nanoparticle films

H Wang, JL Hor, Y Zhang, T Liu, D Lee, Z Fakhraai - ACS nano, 2018 - ACS Publications
Properties of polymers in polymer nanocomposites and nanopores have been shown to
deviate from their respective bulk properties due to physical confinement as well as polymer …

Effect of long range interactions on the glass transition temperature of thin polystyrene films

C Zhang, Y Fujii, K Tanaka - ACS Macro Letters, 2012 - ACS Publications
The glass transition temperature (T g) of thin polystyrene (PS) films supported on silicon
wafers with oxide layers of varying thickness was characterized by the temperature …

The distribution of glass transition temperatures in ultrathin polymer films controlled by segment density or interfacial interaction

Y Nie, Z Zhou, T Hao, X Ye… - … Theory and Simulations, 2016 - Wiley Online Library
Nowadays, the microscopic mechanism controlling the distribution of local glass transition
temperatures (Tgs) across thin polymer films is still unclear and thus large‐scale …

Glass transition temperature of single-chain polystyrene particles end-grafted to oxide-coated silicon

Y Li, D Lin, J Xu, X Zhou, B Zuo, OKC Tsui… - The Journal of …, 2020 - pubs.aip.org
A method based on the PeakForce QNM atomic force microscopic (AFM) adhesion
measurement is employed to investigate the glassy dynamics of polystyrene (PS) single …

Selectively probing the glass transition temperature in multilayer polymer films: Equivalence of block copolymers and multilayer films of different homopolymers

CB Roth, JM Torkelson - Macromolecules, 2007 - ACS Publications
The temperature dependence of the fluorescence of trace levels of pyrene was employed to
measure the glass transition temperatures (T gs) of polystyrene (PS) domains within ultrathin …

Eliminating the Tg-Confinement Effect in Polystyrene Films: Extraordinary Impact of a 2 mol % 2-Ethylhexyl Acrylate Comonomer

T Wang, S Hu, S Zhang, A Peera, J Reffner… - …, 2022 - ACS Publications
Nanoconfined polystyrene (PS) films exhibit substantial reductions in glass transition
temperature (T g) from bulk T g. By incorporating 2–6 mol% 2-ethylhexyl acrylate (EHA) into …