Materials,
Journal Year:
2024,
Volume and Issue:
17(20), P. 5102 - 5102
Published: Oct. 18, 2024
Nowadays,
conductive
hydrogels
show
significant
prospects
as
strain
sensors
due
to
their
good
stretchability
and
signal
transduction
abilities.
However,
traditional
possess
poor
anti-freezing
performance
at
low
temperatures
owing
the
large
number
of
water
molecules,
which
limits
application
scope.
To
date,
constructing
a
hydrogel-based
sensor
with
balanced
stretchability,
conductivity,
transparency,
properties
via
simple
methods
has
proven
challenging.
Here,
fully
physically
crosslinked
poly(hydroxyethyl
acrylamide)-glycerol-sodium
chloride
(PHEAA-Gl-NaCl)
hydrogel
was
obtained
by
polymerizing
hydroxyethyl
acrylamide
in
deionized
then
soaking
it
saturated
NaCl
solution
glycerol
water.
The
PHEAA-Gl-NaCl
had
transparency
(~93%),
(~1300%),
fracture
stress
(~287
kPa).
Owing
presence
sodium
chloride,
conductivity.
Furthermore,
possessed
sensitivity
cyclic
stability,
enabling
detection
different
human
motions
stably
wide
temperature
range.
Based
on
above
characteristics,
broad
flexible
electronic
materials.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(10), P. 5696 - 5705
Published: May 10, 2024
Hydrogel
sensors
have
found
widespread
applications
in
various
research
areas,
including
medical
monitoring
devices,
smart
robots,
and
so
on.
However,
traditional
hydrogels
usually
suffer
from
poor
mechanical
strength
durability,
which
shorten
their
service
life.
Inspired
by
the
toughening
mechanisms,
we
successfully
synthesized
polyaniline-coated
silica
(SiO2@PANI)
core–shell
particle-toughened
p(AM/DMx)
(quaternary
ammonium
ionic
liquids,
DMx)
hydrogel
with
different
chain
lengths.
More
importantly,
investigated
length
effects
on
properties
antibacterial
activity
of
DMx-based
hydrogel.
We
that
optimum
was
C12,
maxi
tensile
307
kPa,
ultrahigh
conductivity
12.77
mS/cm,
exhibited
high
sensitivity
(GF
=
12.75)
excellent
antimicrobial
properties,
established
its
potential
for
usage
a
wide
array
applications.
The
p(AM/DM12)-SiO2@PANI
can
sensitively
stably
detect
human
activities,
such
as
finger,
wrist,
arm
flexion.
Furthermore,
obtained
to
be
used
manufacture
generation
monitors,
electronic
skins,
soft
devices.
Materials,
Journal Year:
2024,
Volume and Issue:
17(20), P. 5102 - 5102
Published: Oct. 18, 2024
Nowadays,
conductive
hydrogels
show
significant
prospects
as
strain
sensors
due
to
their
good
stretchability
and
signal
transduction
abilities.
However,
traditional
possess
poor
anti-freezing
performance
at
low
temperatures
owing
the
large
number
of
water
molecules,
which
limits
application
scope.
To
date,
constructing
a
hydrogel-based
sensor
with
balanced
stretchability,
conductivity,
transparency,
properties
via
simple
methods
has
proven
challenging.
Here,
fully
physically
crosslinked
poly(hydroxyethyl
acrylamide)-glycerol-sodium
chloride
(PHEAA-Gl-NaCl)
hydrogel
was
obtained
by
polymerizing
hydroxyethyl
acrylamide
in
deionized
then
soaking
it
saturated
NaCl
solution
glycerol
water.
The
PHEAA-Gl-NaCl
had
transparency
(~93%),
(~1300%),
fracture
stress
(~287
kPa).
Owing
presence
sodium
chloride,
conductivity.
Furthermore,
possessed
sensitivity
cyclic
stability,
enabling
detection
different
human
motions
stably
wide
temperature
range.
Based
on
above
characteristics,
broad
flexible
electronic
materials.
