Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: Aug. 2, 2024
Epoxy
resins,
known
for
their
excellent
properties,
are
widely
used
thermosetting
but
tendency
towards
brittle
fracture
limits
applications.
This
study
addresses
this
issue
by
preparing
graphene
oxide
via
the
Hummer
method,
modifying
it
with
hyperbranched
polyamide
ester,
and
reducing
hydrazine
hydrate
to
obtain
functionalized
graphene.
improves
compatibility
epoxy
resin.
Using
a
novel
two-phase
extraction
different
ratios
of
graphene/epoxy
composites
were
prepared
tested
mechanical
properties
thermal
stability.
The
results
showed
significant
improvements:
tensile
strength
0.1
wt%
increased
77%
over
pure
resin,
flexural
56%,
glass
transition
temperature
50°C.
These
enhancements,
attributed
improved
between
demonstrate
potential
mitigate
brittleness
expanding
application
potential.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(31), P. 41596 - 41615
Published: July 27, 2024
MXene
emerges
as
a
premier
candidate
for
electromagnetic
shielding
owing
to
its
unique
properties
novel
two-dimensional
material.
Its
exceptional
electrical
conductivity,
chemical
reactivity,
surface
tunability,
and
facile
processing
render
it
highly
suitable
diverse
applications.
The
research
status
of
MXene-based
materials
is
systematically
discussed
in
this
paper.
First,
the
single-component
material
briefly
introduced.
Subsequently,
composite
structures
constructed
by
with
polymers,
carbon
derivatives,
ferrites
introduced
detail.
Furthermore,
progress
ternary
quaternary
further
focused.
Finally,
application
prospected.
A
deeper
understanding
MXene's
facilitated
paper,
providing
direction
future
development
design
materials.
ACS Applied Nano Materials,
Journal Year:
2025,
Volume and Issue:
8(4), P. 1912 - 1924
Published: Jan. 21, 2025
Modern
intelligent
electronic
devices
require
electromagnetic
interference
(EMI)
shielding
composite
films
with
outstanding
effectiveness
and
multifunctionality
to
adapt
increasingly
complex
application
environments.
In
this
work,
inspired
by
the
morphology
of
cocoa
trees,
SiO2
is
conceived
as
fruit
one-dimensional
nanomaterial
silver
nanowires
(AgNWs)
branches.
Utilizing
metal
chelating
properties
polydopamine
(PDA),
SiO2@PDA@AgNWs
were
formed
subsequently
interwoven
cellulose
nanofibers
(CNFs)
create
a
nanocomposite
film
cocoa-tree-like
structure,
denoted
CNFs-AgNWs-SiO2@PDA
(C-A-SP).
Conductive
AgNWs
induce
conductivity
losses,
while
contribute
multiple
scattering
interfacial
polarization
losses.
Therefore,
C-A-SP
thickness
59
μm
demonstrates
an
impressive
EMI
(EMI
SE)
76.91
dB
exhibits
specific
SE
(SSE/t)
15304.88
dB·cm2·g–1.
Meanwhile,
thermal
conductivities
in-plane
out-plane
reached
4.15
0.15
W/(m·K),
respectively.
Additionally,
also
excellent
strain-sensing
capability.
This
study
provides
valuable
insights
for
designing
fabricating
lightweight,
flexible,
multifunctional
efficient
composites.
Polymer-Plastics Technology and Materials,
Journal Year:
2024,
Volume and Issue:
63(14), P. 1917 - 1958
Published: June 17, 2024
The
progression
of
cutting-edge
materials
for
effectively
safeguarding
against
electromagnetic
radiation
has
emerged
as
an
urgent
priority
within
the
scientific
community.
This
study
evaluates
present
research
status
EMI
shielding
based
on
polymer
nanocomposites.
review
encompasses
exploration
principles
behind
shielding,
followed
by
a
concise
narration
most
widely
utilized
synthesis
techniques
and
nanocomposites
designed
shielding.
Special
attention
is
given
in
unraveling
correlation
between
nanomaterials
these
composites,
type
fillers
employed,
their
interference
efficiency
(EMI
SE).
In
addition
methods,
mechanism
are
also
reviewed.
A
detailed
discourse
gaps
various
fields
where
hold
potential
applications
presented,
prospective
avenues
suggested
to
overcome
current
technological
challenges.