Dynamics of polymer segments, polymer chains, and nanoparticles in polymer nanocomposite melts: A review

EJ Bailey, KI Winey - Progress in Polymer Science, 2020 - Elsevier
The addition of nanoparticles (NPs) to a polymer matrix, forming a polymer nanocomposite
(PNC), is known to alter the microscopic dynamic processes of both species which leads to …

Interface structure and dynamics in polymer‐nanoparticle hybrids: a review on molecular mechanisms underlying the improved interfaces

MA Sattar - ChemistrySelect, 2021 - Wiley Online Library
In a nano‐assembly of soft polymer chains and hard filler nanoparticles (NPs), the
intermolecular interactions at the polymer‐filler interface lead to variations in viscoelastic …

Big effect of small nanoparticles: a shift in paradigm for polymer nanocomposites

S Cheng, SJ Xie, JMY Carrillo, B Carroll, H Martin… - ACS …, 2017 - ACS Publications
Polymer nanocomposites (PNCs) are important materials that are widely used in many
current technologies and potentially have broader applications in the future due to their …

Controlling Interfacial Dynamics: Covalent Bonding versus Physical Adsorption in Polymer Nanocomposites

AP Holt, V Bocharova, S Cheng, AM Kisliuk, BT White… - ACS …, 2016 - ACS Publications
It is generally believed that the strength of the polymer–nanoparticle interaction controls the
modification of near-interface segmental mobility in polymer nanocomposites (PNCs) …

Progress towards a phenomenological picture and theoretical understanding of glassy dynamics and vitrification near interfaces and under nanoconfinement

KS Schweizer, DS Simmons - The Journal of chemical physics, 2019 - pubs.aip.org
The nature of alterations to dynamics and vitrification in the nanoscale vicinity of interfaces—
commonly referred to as “nanoconfinement” effects on the glass transition—has been an …

Unexpected molecular weight effect in polymer nanocomposites

S Cheng, AP Holt, H Wang, F Fan, V Bocharova… - Physical review …, 2016 - APS
The properties of the interfacial layer between the polymer matrix and nanoparticles largely
determine the macroscopic properties of polymer nanocomposites (PNCs). Although the …

Interfacial properties of polymer nanocomposites: Role of chain rigidity and dynamic heterogeneity length scale

S Cheng, B Carroll, W Lu, F Fan, JMY Carrillo… - …, 2017 - ACS Publications
While it is known that the properties of polymer nanocomposites are largely dominated by
the interfacial layer around nanoparticles, the molecular parameters controlling the …

[HTML][HTML] Focus: Structure and dynamics of the interfacial layer in polymer nanocomposites with attractive interactions

S Cheng, B Carroll, V Bocharova, JM Carrillo… - The Journal of …, 2017 - pubs.aip.org
In recent years it has become clear that the interfacial layer formed around nanoparticles in
polymer nanocomposites (PNCs) is critical for controlling their macroscopic properties. The …

Analyzing the interfacial layer properties in polymer nanocomposites by broadband dielectric spectroscopy

B Carroll, S Cheng, AP Sokolov - Macromolecules, 2017 - ACS Publications
Probing the properties of the interfacial layer between the polymer matrix and nanoparticles
in polymer nanocomposites (PNCs) remains a challenging task. Here, we apply three …

Influence of the bound polymer layer on nanoparticle diffusion in polymer melts

PJ Griffin, V Bocharova, LR Middleton… - ACS Macro …, 2016 - ACS Publications
We measure the center-of-mass diffusion of silica nanoparticles (NPs) in entangled poly (2-
vinylpyridine)(P2VP) melts using Rutherford backscattering spectrometry. While these NPs …