Direct observation of morphological transition for an adsorbed single polymer chain

Y Oda, D Kawaguchi, Y Morimitsu, S Yamamoto… - Scientific reports, 2020 - nature.com
A better understanding of the structure of polymers at solid interfaces is crucial for designing
various polymer nano-composite materials from structural materials to nanomaterials for use …

Direct observation of conformational relaxation of polymer chains at surfaces

HK Nguyen, M Inutsuka, D Kawaguchi… - ACS Macro …, 2018 - ACS Publications
Sum-frequency generation spectroscopy was employed to follow the conformation evolution
of polystyrene chains at the surface of a spin-coated film in a temperature-ramping mode as …

Local conformations and heterogeneities in structures and dynamics of isotactic polypropylene adsorbed onto carbon fiber

Z Huang, Y Bajaj, JMY Carrillo, Y Nakanishi, K Uchida… - Polymer, 2023 - Elsevier
Carbon fiber (CF) reinforced polymers (CFRPs) have experienced widespread use in
various industries. One of the most important parameters that controls the macroscopic …

Regulation of the interfacial effects of thin polystyrene films by changing the aromatic group structure on substrate surfaces

Y Hong, W Chen, H Fang, B Zuo, Y Yuan… - The Journal of …, 2019 - ACS Publications
In this article, interfacial π–π interactions of polystyrene (PS) chains next to aromatic-
modified substrates were investigated. The results show that the glass transition temperature …

In-Plane Movement of Isolated Poly (methacrylate) Chains on a Hydrophilic Solid Surface

M Kawano, Y Morimitsu, Y Liu, N Miyata… - …, 2024 - ACS Publications
A better understanding of the dynamic behavior of polymer chains on solid surfaces is
indispensable for the design and construction of high-performance polymer composites. We …

Free Space Makes the Polymer “Dead Layer” Alive

Z Jiang, B Cheng, J Yang, J Zhao - The Journal of Physical …, 2022 - ACS Publications
The effect of free space on molecular motion inside the polymer “dead layer” or adsorbed
nanolayers on solid surfaces is investigated. Free space is introduced into the nanolayer by …

In situ analysis of chain orientation behavior in thin film aromatic polyimides by variable temperature pMAIRS during thermal imidization

R Ishige, K Tanaka, S Ando - Macromolecular Chemistry and …, 2018 - Wiley Online Library
A variable‐temperature p‐polarized multiple‐angle incidence resolution spectroscopy (VT
pMAIRS) technique is developed that enables the in situ analysis of the evolution of …

Depth-resolved local conformation and thermal relaxation of polystyrene near substrate interface

HK Nguyen, M Inutsuka, D Kawaguchi… - The Journal of Chemical …, 2017 - pubs.aip.org
By means of sum-frequency generation spectroscopy, we report a depth-resolved
measurement of the local conformation and chain relaxation of polystyrene (hPS) located at …

“Structurally Neutral” Densely Packed Homopolymer-Adsorbed Chains for Directed Self-Assembly of Block Copolymer Thin Films

Y Morimitsu, D Salatto, N Jiang, M Sen… - …, 2019 - ACS Publications
We here report that adsorbed chains composed of one of the constituent blocks can be used
as a new surface modification approach to induce perpendicularly oriented lamellar …

[HTML][HTML] Experimental study of substrate roughness on the local glass transition of polystyrene

X Huang, MF Thees, WB Size, CB Roth - The Journal of Chemical …, 2020 - pubs.aip.org
Numerous computer simulations have shown that local dynamics associated with the glass
transition can be slower next to rough interfaces compared with smooth interfaces. Even …