ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(1), P. 2105 - 2116
Published: Dec. 28, 2024
Polyurethane
sponge
is
frequently
selected
as
a
substrate
material
for
constructing
flexible
compressible
sensors
due
to
its
excellent
resilience
and
compressibility.
However,
being
highly
hydrophilic
flammable,
it
not
only
narrows
the
range
of
use
sensor
but
also
poses
great
potential
threat
human
safety.
In
this
paper,
conductive
piezoresistive
(CHAP-PU)
with
superhydrophobicity
high
flame
retardancy
was
prepared
by
simple
dip-coating
method
using
A-CNTs/HGM/ADP
coatings
deposited
on
surface
skeleton
modified
polydimethylsiloxane.
With
sensitivity
durability
(>3000
cycles)
well
fast
response/recovery
time
(152
ms/178
ms),
capable
monitoring
movement
wearable
device.
The
has
hydrophobicity
angle
153°,
which
provides
significant
self-cleaning
weather
resistance.
Furthermore,
CHAP-PU
able
respond
stably
underwater
movements.
Importantly,
when
directly
exposed
an
open
flame,
no
spreading
or
dripping
molten
detected,
indicating
retardancy.
Meanwhile,
equipped
smart
fire
alarm
system,
results
showed
that
signal
triggered
within
2
s
under
erosion.
Therefore,
flame-retardant
superhydrophobic
sponge-based
shows
motion
detection
applications.
Environmental
pollution
and
sewage
surges
necessitate
effective
water
purification
methods.
Solar
interfacial
evaporation
offers
a
promising
solution,
which
needs
advancements
in
salt
resistance,
efficiency,
stability.
Herein,
inspired
by
the
structure
of
wood,
unidirectional
freeze-drying
method
was
used
to
develop
vertically
aligned
channels
antioil-fouling
poly(vinyl
alcohol)-CNTs-waste
carton
fiber@polydopamine
(PVA-CNTs-WCF@PDA)
aerogel
for
desalination
wastewater
treatment.
The
anisotropic
three-dimensional
porous
enables
it
rapidly
transport
interface
resist
deposition.
Meanwhile,
its
unique
is
combined
with
CNTs
PDAs
excellent
broadband
spectral
absorption
capacity
because
composite
aerogels
can
interact
molecules
reduce
their
vaporization
enthalpy.
shows
an
photothermal
rate
(2.626
kg
m-2
h-1)
efficiency
(94.24%)
under
one-sun
irradiation.
Additionally,
evaporator
conduct
10
consecutive
evaporations
3.5%
brine,
indicating
that
has
ability
desalination.
Finally,
also
purify
oil-in-water
emulsion
mine
wastewater.
It
be
seen
there
are
no
obvious
oil
droplets
treated
treatment
effect
reaches
89.13%.
showed
application
prospects
field
purification.
