Aramid nanofibers at ultralow loadings: driving significant multifunctionality in epoxy composite dielectrics
Advanced Composites and Hybrid Materials,
Год журнала:
2025,
Номер
8(1)
Опубликована: Фев. 1, 2025
Язык: Английский
Recent Advances in Architectural Designs and Fabrication Strategies of 2D Fillers in Polymer-based Dielectric Nanocomposites
Materials Today Energy,
Год журнала:
2025,
Номер
48, С. 101800 - 101800
Опубликована: Янв. 5, 2025
Язык: Английский
Benzene Ring Structural Design Strategy toward Well-balanced Thermal and Electrical Properties in Epoxy Dielectric Polymers
Composites Part B Engineering,
Год журнала:
2025,
Номер
unknown, С. 112308 - 112308
Опубликована: Фев. 1, 2025
Язык: Английский
Dielectric properties of green synthesized Ag-doped ZnO NPs in epoxy resin polymer nanocomposites
Journal of Polymer Research,
Год журнала:
2025,
Номер
32(4)
Опубликована: Март 20, 2025
Язык: Английский
Low frequency dielectric analysis for understanding water absorption characteristics of epoxy nanocomposites
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Abstract
Nanocomposites
are
versatile
multifunctional
engineering
materials.
For
electrical
applications,
diminishing
water
diffusion
and
optimization
of
properties
challenging.
Low
frequency
dielectric
measurements
preferred
for
the
assessment
because
dominant
low
response
in
presence
water.
Epoxy
composites
with
organically
modified
montmorillonite
2,
5,
7
wt%
investigated.
Filler
at
5
is
observed
to
be
optimal,
a
28%
reduction
coefficient.
Higher
filler
content
decreases
real
permittivity
due
interfacial
polarization,
240
h
reveals
minimal
dependence
permittivity.
The
relaxation
peak
imaginary
occurs
0.08
Hz
wt%,
higher
frequencies
other
changes
matrix
interactions
conductivity.
Water
tends
decrease
AC
conductivity
not
influenced
by
it
ranges
from
10
−10
−9
S/m
over
−4
Hz–1
kHz,
its
variations
lower
significant.
differences
nanocomposites
confirmed
using
FTIR
analysis.
multi‐core
shell
model
correlated
nanocomposites.
utility
analysis
demonstrated
diffusion.
Key
application
areas
estimation
mechanisms
an
enabler
development
data
analytics
machine
learning
improving
quality
Highlights
OMMT
addition
offers
optimal
barrier
performance
epoxy
composites.
Surface‐modified
enhances
distribution
adhesion.
Dielectric
loss
peaks
shift
content.
remains
stable
–10
across
frequencies.
Low‐frequency
accurately
models
absorption.
Язык: Английский
Design of hBN/nano Al2O3 epoxy composites with enhanced thermally conductive and dielectric properties
Journal of Materials Science Materials in Electronics,
Год журнала:
2024,
Номер
35(27)
Опубликована: Сен. 1, 2024
Язык: Английский
Revolutionizing High‐Temperature Electrical Properties of Epoxy Resin via Tailoring Weak Conjugation Rigid Structures
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 18, 2024
The
escalating
demand
for
high-power
and
compact-size
advanced
electronic
devices
power
systems
necessitates
polymers
to
exhibit
superior
electrical
properties
even
under
harsh
environments.
However,
reconciling
the
seemingly
contradictory
attributes
of
excellent
thermal
stability
poses
a
formidable
challenge
current
epoxy
polymer
(EP)
materials
their
applications.
To
meet
need,
here
two
classes
bi-aryl
diamine
curing
agents
are
described
that
enable
well-balanced
dielectric
with
functional
bridging
groups.
A
weak
conjugation
system
in
highly
thermally
stable
an
aromatic
backbone
is
constructed,
using
electron-modulating
groups
immobilize
intramolecular
free
carriers
by
tailoring
trap
sites,
bulky
prevent
molecular
stacking
inhibit
intermolecular
charge
transport.
resultant
exhibits
volume
resistance
7.45
×
10
Язык: Английский