International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
278, С. 134383 - 134383
Опубликована: Авг. 3, 2024
Based
on
the
basic
idea
of
expanding
interlayer
spacing
MXene,
utilizing
effect
gallic
acid-modified
cellulose
nanofibers
for
rapid
moisture
separation,
flexible
sensing
and
driving
composite
film
with
a
perfect
balance
among
humidity
signal
response
mechanical
properties
was
prepared.
Inspired
by
stacking
autumn
fallen
leaves,
nanofibers-based
films
were
formed
self-assembly
under
vacuum
filtration
blending
MXene.
The
enhanced
(tensile
strength
131.1
MPa,
puncture
load
0.88
N,
tearing
165.55
N/mm,
elongation
at
break
16.14
%),
(the
stable
induced
voltage
63.7
mV
response/recovery
time
3.2/5.1
s),
(154.7°
bending
angle)
observed.
synergistic
hydrogen
bonds,
"pinning
effect"
arising
from
side
chains,
hierarchical
layered
microstructure
contributed
to
performance.
This
work
exemplifies
application
green
natural
product
preparing
intelligent
sensing,
wearable
devices,
biomimetic
robots.
Heliyon,
Год журнала:
2024,
Номер
10(3), С. e25381 - e25381
Опубликована: Фев. 1, 2024
The
internet
of
things
and
growing
demand
for
smaller
more
advanced
devices
has
created
the
problem
high
heat
production
in
electronic
equipment,
which
greatly
reduces
work
performance
life
instruments.
Thermal
interface
material
(TIM)
is
placed
between
generating
micro-chip
dissipater
to
conduct
all
produced
sink.
development
suitable
TIM
with
excellent
thermal
conductivity
(TC)
both
in-plane
through-plane
directions
a
very
important
need
at
present.
For
efficient
management,
polymer
composites
are
potential
candidates.
But
general,
their
low
compared
that
metals.
filler
integration
into
matrix
one
two
approaches
used
increase
also
easy
scale
up
industrial
production.
Another
way
achieve
this
change
structure
chains,
fall
out
scope
work.
In
review,
considering
first
approach,
authors
have
summarized
recent
developments
many
types
fillers
different
scenarios
by
providing
multiple
cases
successful
strategies
improve
(TPTC)
(k⊥).
better
understanding
TC,
comprehensive
background
presented.
Several
methods
effective
(out-plane)
theoretical
models
calculation
TC
discussed.
end,
it
given
detailed
conclusion
provides
drawbacks
some
fillers,
significant
routes
recommended
other
researchers
build
thermally
conductive
composites,
future
aspects
along
direction
so
can
get
guideline
design
an
polymer-based
material.
Journal of Materials Science Materials in Electronics,
Год журнала:
2024,
Номер
35(15)
Опубликована: Май 1, 2024
Abstract
With
the
development
of
microelectronics
towards
integration,
miniaturization
and
high
power,
accumulation
heat
in
this
small
space
has
become
a
serious
problem.
Therefore,
polymer
matrix
composites
with
thermal
conductivity
electrical
insulation
need
to
be
developed
urgently.
Here,
an
ordered
oriented
boron
nitride/silicon
dioxide
(silica)
coated
multiwalled
carbon
nanotubes
(BN/SiO
2
@MWCNTs)
thermally
conductive
network
was
constructed
polyvinylidene
fluoride
(PVDF)
by
electrostatic
spinning
technique,
subsequently
PVDF
were
prepared
hot-pressing.
The
synergistic
effect
two-dimensional
BN
one-dimensional
MWCNTs
investigated.
It
found
that
out-of-plane
30
/SiO
@MWCNTs
reached
0.4693
Wm
−1
K
,
which
209%
higher
than
pure
10%
BN/PVDF
composites.
in-plane
@MWCNts)
1.5642
1055%
40%
This
is
attributed
on
SiO
@MWCNTs.
Meanwhile,
volume
resistivity
breakdown
strength
BN/SiO
@MWCNTs/PVDF
3.6
×
10
13
Ω
m
47.68
kV/mm,
respectively.
results
indicate
have
excellent
insulating
properties,
are
promising
for
applications.
