Absolute local conformation of poly (methyl methacrylate) chains adsorbed on a quartz surface

D Kawaguchi, K Sasahara, M Inutsuka, T Abe… - The journal of …, 2023 - pubs.aip.org
Polymer chains at a buried interface with an inorganic solid play a critical role in the
performance of polymer nanocomposites and adhesives. Sum frequency generation (SFG) …

Water distribution in nafion thin films on hydrophilic and hydrophobic carbon substrates

K Ito, M Harada, NL Yamada, K Kudo, H Aoki… - Langmuir, 2020 - ACS Publications
We performed H2O and D2O double-contrast neutron reflectivity measurements on∼ 25 nm
thick Nafion thin films on hydrophilic and hydrophobic carbon in water and 80% relative …

Improvement of polymer adhesion by designing the interface layer

D Kawaguchi, R Nakayama, H Koga, M Totani… - polymer, 2023 - Elsevier
Polymer adhesion with inorganic materials is a key technology for realizing the
diversification of materials. When a polymer contacts with inorganic materials, a layer …

High performance of PVA nanocomposite reinforced by Janus-like asymmetrically oxidized graphene: synergetic effect of H-bonding interaction and interfacial …

N Zhang, B Zhang, Y Pang, HS Yang, L Zong… - Chinese Journal of …, 2022 - Springer
Macromolecule nanocrystal network and strong interfacial interaction are always beneficial
to enhance the mechanical property of polymer-based nanocomposites. Poly (vinyl …

Investigation of Interfacial Water Accumulation between Polypropylene Thin Film and Si Substrate by Neutron Reflectivity

K Shimokita, K Yamamoto, N Miyata, Y Nakanishi… - Langmuir, 2021 - ACS Publications
We performed neutron reflectivity (NR) measurements of isotactic polypropylene (PP) thin
films deposited on a Si substrate at the saturated vapor pressure of deuterated water to …

Detailed structural study on the poly (vinyl alcohol) adsorption layers on a si substrate with solvent vapor-induced swelling

T Miyazaki, N Miyata, T Yoshida, H Arima, Y Tsumura… - Langmuir, 2020 - ACS Publications
We investigated in detail the structures in the poly (vinyl alcohol)(PVA) adsorption layers on
a Si substrate, which remained on the substrate after immersing the relatively thick 30–50 …

Suppression of the Skin-Core Structure of Poly (vinyl alcohol) Films by Adding Urea/Diethanolamine to Improve the Mechanical and Optical Properties

Y Li, X Liu, D Lv, S Hou, X Yu, Y Han - Macromolecules, 2024 - ACS Publications
The microstructure of poly (vinyl alcohol) films formed during the solution drying process
significantly influences their tensile ductility and optical transmittance. However, the “skin …

Layered structure in the crystalline adsorption layer and the leaching process of poly (vinyl alcohol) revealed by neutron reflectivity

T Miyazaki, N Miyata, H Arima-Osonoi, H Kira… - Langmuir, 2021 - ACS Publications
We investigated the structure of the crystalline adsorption layer of poly (vinyl alcohol)(PVA)
in hot water by neutron reflectivity in two cases: when the adsorption layer is exposed on the …

Hydrophobicity of the pentafluorosulfanyl group in side chains of polymethacrylates by evaluation with surface free energy and neutron reflectivity

Y Xie, J Iwata, T Matsumoto, NL Yamada, F Nemoto… - Langmuir, 2022 - ACS Publications
A hydrophobic surface or coating is required for surface protection, anti-fouling, adhesion,
and other applications. For the achievements of hydrophobic properties, fluorine-based …

[HTML][HTML] Gas-flow humidity control system for neutron reflectivity measurements

H Arima-Osonoi, N Miyata, T Yoshida… - Review of Scientific …, 2020 - pubs.aip.org
We developed a novel humidity control system for neutron reflectivity measurements based
on the two-way gas-flow method that can generate up to 85% relative humidity (RH) within a …