Role of free volume characteristics of polymer matrix in bulk physical properties of polymer nanocomposites: A review of positron annihilation lifetime studies
Polymer nanocomposites which have one or more nano-dimensional phases dispersed in
polymer matrix show enhancement in bulk physical properties. In order to achieve the …
polymer matrix show enhancement in bulk physical properties. In order to achieve the …
[HTML][HTML] Probing the free volume in polymers by means of positron annihilation lifetime spectroscopy
G Consolati, D Nichetti, F Quasso - Polymers, 2023 - mdpi.com
Positron annihilation lifetime spectroscopy (PALS) is a valuable technique to investigate
defects in solids, such as vacancy clusters and grain boundaries in metals and alloys, as …
defects in solids, such as vacancy clusters and grain boundaries in metals and alloys, as …
Structural, dielectric and EMI shielding properties of polyvinyl alcohol/chitosan blend nanocomposites integrated with graphite oxide and nickel oxide nanofillers
Polyvinyl alcohol (PVA) and Chitosan (CS)-based novel composites were prepared using
solution casting technique by introducing graphite oxide (GO) and nickel oxide (NiO) as …
solution casting technique by introducing graphite oxide (GO) and nickel oxide (NiO) as …
Hybrid core-shell nanostructure made of chitosan incorporated polypyrrole nanotubes decorated with NiO for all-solid-state symmetric supercapacitor application
Nickel oxide (NiO) is a promising electrode material in supercapacitor (SC) applications, but
the poor electronic conductivity and weak electrochemical stability of NiO limits the fast …
the poor electronic conductivity and weak electrochemical stability of NiO limits the fast …
Effects of the molecular level dispersion of graphene oxide on the free volume characteristics of poly (vinyl alcohol) and its impact on the thermal and mechanical …
Poly (vinyl alcohol), PVA, reinforced with carbon nanofillers has shown drastic variations in
thermal as well as mechanical properties. In order to establish structure–property …
thermal as well as mechanical properties. In order to establish structure–property …
A study of the structural changes in a chitosan matrix produced by the adsorption of copper and chromium ions
A study of the structural changes at micro-and nano-scale in a chitosan matrix after the
adsorption of different metal ions is presented. Toward this aim, samples of chitosan films …
adsorption of different metal ions is presented. Toward this aim, samples of chitosan films …
Structure at interphase of poly (vinyl alcohol)–SiC nanofiber composite and its impact on mechanical properties: positron annihilation and small-angle X-ray scattering …
The interphase structure of poly (vinyl alcohol)(PVA)–SiC nanofiber polymer
nanocomposites has been investigated using positron annihilation lifetime spectroscopy …
nanocomposites has been investigated using positron annihilation lifetime spectroscopy …
Probing sub-nano level molecular packing and correlated positron annihilation characteristics of ionic cross-linked chitosan membranes using positron annihilation …
R Xia, X Cao, M Gao, P Zhang, M Zeng… - Physical Chemistry …, 2017 - pubs.rsc.org
Chitosan, CS, cross-linked with bivalent palladium has shown enhanced mechanical and
thermal properties depending on the transformation of the structure at a microscopic scale …
thermal properties depending on the transformation of the structure at a microscopic scale …
Chitosan-graft-poly (n-butyl acrylate) copolymer: Synthesis and characterization of a natural/synthetic hybrid material
Two chitosan polymers with different deacetylation degree and molecular weight were
subjected to grafting reactions with the aim to enhance the properties of these bio-based …
subjected to grafting reactions with the aim to enhance the properties of these bio-based …
Investigation of free volume characteristics of the interfacial layer in poly (methyl methacrylate)–alumina nanocomposite and its role in thermal behaviour
The free volume characteristics (free volume size, density and size distribution) of the
interfacial layer (IL) in PMMA–alumina (0.3 wt%) nanocomposites were investigated using …
interfacial layer (IL) in PMMA–alumina (0.3 wt%) nanocomposites were investigated using …