Direct visualization and characterization of interfacially adsorbed polymer atop nanoparticles and within nanocomposites

K Randazzo, M Bartkiewicz, B Graczykowski… - …, 2021 - ACS Publications
Irreversible adsorption at polymer/substrate interfaces has been reported to influence glassy
properties in thin films. However, consideration has yet to be extended to the nanocomposite …

Comparing the impact of different adsorbed layers on the local glass transition of polymer matrices

MF Thees, JH Merrill, X Huang, CB Roth - The Journal of Chemical …, 2024 - pubs.aip.org
Chain adsorption to nanofiller interfaces creating bound layers has become central to
understanding property changes in polymer nanocomposites. We determine the impact …

[PDF][PDF] Importance of end-group structure in controlling the interfacial activity of polymer-coated nanoparticles

BJ Kim, S Given-Beck, J Bang, CJ Hawker, EJ Kramer - Macromolecules, 2007 - Citeseer
The ability to control nanoparticle location precisely within polymer matrices is becoming
increasingly important and a critical prerequisite for most applications of polymer …

Direct measurement of glass transition temperature in exposed and buried adsorbed polymer nanolayers

MJ Burroughs, S Napolitano, D Cangialosi… - …, 2016 - ACS Publications
We employ a fluorescence bilayer method to directly measure the glass transition
temperature (T g) of the irreversibly adsorbed layer of polystyrene (PS) buried in bulk films …

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 …

Understanding the static interfacial polymer layer by exploring the dispersion states of nanocomposites

AC Genix, V Bocharova, B Carroll… - … applied materials & …, 2019 - ACS Publications
The dynamic and static properties of the interfacial region between polymer and
nanoparticles have wide-ranging consequences on performances of nanomaterials. The …

Polymer-grafted Al2O3-nanoparticles for controlled dispersion in poly (ethylene-co-butyl acrylate) nanocomposites

M Wåhlander, F Nilsson, E Larsson, WC Tsai… - Polymer, 2014 - Elsevier
We report a model system to control the dispersion and inter-particle distance of polymer-
grafted Al 2 O 3-nanoparticles in high molecular weight poly (ethylene-co-butyl acrylate) …

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) …

Distribution in the grafting density of end-functionalized polymer chains adsorbed onto nanoparticle surfaces

FT Oyerokun, RA Vaia - Macromolecules, 2012 - ACS Publications
We have developed a simple model to quantify the role of curvature on the surface
composition of polymer–nanoparticle hybrids formed as a result of the adsorption of end …

The structure of chain end-grafted nanoparticle/homopolymer nanocomposites

PF Green - Soft Matter, 2011 - pubs.rsc.org
The morphological structure of mixtures of homopolymers with inorganic nanoparticles, onto
which polymer chain ends are grafted, is described herein. In the bulk, at very low grafting …