Collective nanoparticle dynamics associated with bridging network formation in model polymer nanocomposites

BM Yavitt, D Salatto, Y Zhou, Z Huang, M Endoh… - ACS …, 2021 - ACS Publications
The addition of nanoparticles (NPs) to polymers is a powerful method to improve the
mechanical and other properties of macromolecular materials. Such hybrid polymer–particle …

How tuning interfaces impacts the dynamics and structure of polymer nanocomposites simultaneously

AC Genix, V Bocharova, B Carroll… - … Applied Materials & …, 2023 - ACS Publications
Fundamental understanding of the macroscopic properties of polymer nanocomposites
(PNCs) remains difficult due to the complex interplay of microscopic dynamics and structure …

Mechanism of mechanical reinforcement for weakly attractive nanocomposites in glassy and rubbery states

W Cui, W You, W Yu - Macromolecules, 2021 - ACS Publications
Polymer nanocomposites (PNCs) have been widely investigated due to their significant
performance in mechanical reinforcement, but the mechanism of mechanical reinforcement …

Mechanical reinforcement by bridging chains in polymer nanocomposites

W Cui, J Liu, W You, W Yu - Polymer, 2024 - Elsevier
The adsorption-induced bridging of polymer chains between adjacent nanoparticles was
studied in poly (vinyl acetate)/silica nanocomposites with different polymer molecular …

Structural and dynamical roles of bound polymer chains in rubber reinforcement

D Salatto, JMY Carrillo, MK Endoh, T Taniguchi… - …, 2021 - ACS Publications
The addition of nanofillers to rubber matrices is a powerful route to improve the mechanical
properties. Here, we focus on a molecular understanding of basic mechanisms that are …

Long-term aging in miscible polymer nanocomposites

M Jhalaria, AM Jimenez, R Mathur, MC Tekell… - …, 2022 - ACS Publications
We find that the initial, solvent-cast state of nanoparticles (NPs) in a polymer matrix
temporally evolves during thermal annealing such that, at steady state, NPs maximize their …

Rationalizing the interfacial layer in polymer nanocomposites: Correlation between enthalpy and dielectric relaxation

R **ao, G Wu, Y Lin - Polymer, 2023 - Elsevier
The accurate and convenient characterization of the interfacial layer is a crucial prerequisite
for understanding the relationship between structure and macroscopic properties in polymer …

Liquid state theory of the structure of model polymerized ionic liquids

A Das, B Mei, AP Sokolov, R Kumar… - The Journal of Chemical …, 2024 - pubs.aip.org
We employ polymer integral equation theory to study a simplified model of semiflexible
polymerized ionic liquids (PolyILs) that interact via hard core repulsions and short range …

Microscopic origins of the nonlinear behavior of particle-filled rubber probed with dynamic strain XPCS

D Presto, S Narayanan, S Moctezuma… - … Applied Materials & …, 2023 - ACS Publications
The underlying microscopic response of filler networks in reinforced rubber to dynamic strain
is not well understood due to the experimental difficulty of directly measuring filler network …

Improving gas selectivity in membranes using polymer-grafted silica nanoparticles

SP Jeong, R Kumar, AC Genix, I Popov… - ACS Applied Nano …, 2021 - ACS Publications
Herein, we demonstrate that tuning of structural parameters and material chemistry enables
control of the permeability and selectivity of gases (CO2, He, and CH4) in membranes based …