ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(18), P. 16986 - 16999
Published: Aug. 31, 2023
In
extreme
environments,
the
simultaneous
requirements
of
puncture
resistance,
acid
and
alkali
chemical
corrosion
resistance
are
crucial
for
design
safety
protection
materials.
To
address
these
requirements,
this
study
employed
a
"scratch
coating"
technique,
combining
modified
silica
nanoparticles
(nano
F–SiO2)
thermoplastic
polyurethane
elastomers
(TPU)
with
aramid
fabrics.
This
approach
ensured
that
composites
were
both
soft
resistant.
Additionally,
simple
cost-effective
spraying
method
was
utilized
to
create
multifunctional
coating
comprising
nanosilica,
micron-polytetrafluoroethylene
(PTFE),
fluorinated
alkyl
silane.
Furthermore,
investigated
effect
different
lamination
angles
fabric
on
resistance.
The
results
demonstrated
composite
exhibited
outstanding
strong
acids
bases,
super-double
sparsity.
Notably,
maximum
reached
515.50
N,
which
33.02
times
higher
than
pure
(15.61
N).
Similarly,
knife
247.42
representing
10.77-fold
increase
compared
(22.97
obtained
superhydrophobicity
water
contact
angle
163.8°
sliding
3.2°.
It
remarkable
durability
when
immersed
in
acidic
or
basic
solutions
120
h
exposed
outdoor
conditions
more
30
days.
Importantly,
micronano
displayed
exceptional
stability
even
subjected
highly
corrosive
chemicals
such
as
concentrated
sulfuric
(98%)
sodium
hydroxide
(40%)
up
12
h.
summary,
introduces
novel
designing
flexible
puncture-resistant
properties.
offers
valuable
insights
contributes
advancements
field
protective
materials..
Small,
Journal Year:
2024,
Volume and Issue:
20(24)
Published: Jan. 4, 2024
In
this
study,
lightweight,
flexible,
and
environmentally
robust
dual-nanofibrous
membranes
made
of
carbon
nanotube
(CNT)
polytetrafluoroethylene
(PTFE)
are
fabricated
using
a
novel
shear-induced
in
situ
fibrillation
method
for
electromagnetic
interference
(EMI)
shielding.
The
unique
spiderweb-like
network,
constructed
from
fine
CNTs
PTFE
fibrils,
integrates
the
inherent
characteristics
these
two
materials
to
achieve
high
conductivity,
superhydrophobicity,
extraordinary
chemical
resistance.
demonstrate
EMI
shielding
effectiveness
(SE)
25.7–42.2
dB
at
thickness
range
100–520
µm
normalized
surface-specific
SE
can
reach
up
9931.1
dB·cm2·g−1,
while
maintaining
reliability
even
under
extremely
harsh
conditions.
addition,
distinct
electrothermal
photothermal
conversion
properties
be
achieved
easily.
Under
stimulation
modest
electrical
voltage
(5
V)
light
power
density
(400
mW·cm−2),
surface
temperatures
CNT/PTFE
135.1
147.8
°C,
respectively.
Moreover,
exhibit
swift,
stable,
highly
efficient
thermal
capabilities,
endowing
them
with
self-heating
de-icing
performance.
These
versatile,
breathable
membranes,
coupled
their
facile
fabrication
process,
showcase
tremendous
application
potential
aerospace,
Internet
Things,
wearable
electronic
equipment
extreme
environments.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
491, P. 151957 - 151957
Published: May 6, 2024
Conventional
wet-electrode
manufacturing
encounters
challenges
in
producing
thicker
electrodes
due
to
issues
related
solvent
evaporation.
This
study
introduces
a
novel
method
for
fabricating
solvent-free
dry
using
polytetrafluoroethylene
(PTFE)
as
binder,
representing
significant
advancement
electrode
processes.
By
eliminating
the
use
of
solvents,
this
not
only
addresses
these
but
also
offers
scalable
and
practical
solution
mass
production.
The
process
is
meticulously
structured
into
sequential
unit
operations,
each
specifically
tailored
distinct
function,
utilizing
distinctive
fibrillation
properties
PTFE.
Intermediate
product
specifications
phase
are
clearly
defined,
accompanied
by
comprehensive
analysis
both
physical
electrochemical
performances.
highlights
influence
varying
PTFE
contents
on
microstructure
electrode.
Notably,
achieves
breakthrough
with
an
formulation
NCM811/PTFE/carbon
black
(CB)/carbon
nanotube
(CNT)
=
96/2.0/1.8/0.2,
which
demonstrates
exceptional
discharge
rate
capability
80
%
at
0.5
C-rate
(5
mA/cm2)
under
demanding
parameters
10
mAh/cm2
3.8
g/cc.
approach
enhances
microstructural
paves
way
environmentally
friendly
efficient
future
energy
storage
applications.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: Feb. 6, 2025
Abstract
Herein,
a
novel
Janus-structured
multifunctional
membrane
with
integrated
electromagnetic
interference
(EMI)
shielding
and
personalized
thermal
management
is
fabricated
using
shear-induced
in
situ
fibrillation
vacuum-assisted
filtration.
Interestingly,
within
the
polytetrafluoroethylene
(PTFE)-carbon
nanotube
(CNT)-Fe
3
O
4
layer
(FCFe),
CNT
nanofibers
interweave
PTFE
fibers
to
form
stable
“silk-like”
structure
that
effectively
captures
Fe
particles.
By
incorporating
highly
conductive
MXene
layer,
FCFe/MXene
(FCFe/M)
exhibits
excellent
electrical/thermal
conductivity,
mechanical
properties,
flame
retardancy.
Impressively,
benefiting
from
rational
regulation
of
component
proportions
design
Janus
structure,
FCFe/M
thickness
only
84.9
µm
delivers
outstanding
EMI
effectiveness
44.56
dB
X-band,
normalized
specific
SE
reaching
10,421.3
cm
2
g
−1
,
which
attributed
“absorption-reflection-reabsorption”
mechanism.
Furthermore,
demonstrates
low-voltage-driven
Joule
heating
fast-response
photothermal
performance.
Under
stimulation
V
voltage
an
optical
power
density
320
mW
−2
surface
temperatures
membranes
can
reach
up
140.4
145.7
°C,
respectively.
In
brief,
anti-electromagnetic
radiation
temperature
attractive
candidate
for
next
generation
wearable
electronics,
compatibility,
visual
heating,
thermotherapy,
military
aerospace
applications.
