Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 2, 2024
Abstract
The
limited
strength
and
stability
of
conductive
hydrogels
greatly
impede
their
practical
applications
in
wearable
devices.
Therefore,
a
double‐network
hydrogel
with
high
strength,
toughness,
was
prepared
by
one‐pot
method
this
paper.
rigid
flexible
skeletons
as
well
the
three‐dimensional
dense
honeycomb
lattice
network
structure
endow
good
strength.
reversible
cross‐linking
synergistic
effect
between
bacterial
cellulose
chains
scaffolding
uniformly
dispersed
Ti3C2
MXene
nanosheets
acrylic
acid
doped
propylene
glycol
presents
excellent
elongation
at
break
(862%).
Consequently,
strain
sensor
based
on
exhibits
sensitivity
(GF
=
1.28),
rapid
response
(150
ms),
superior
(over
2000
cycles)
within
very
wide
range
(5%–620%).
Various
signals
generated
human
activities
are
successfully
detected
presented
sensor,
which
promises
its
broad
health
monitoring.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(48)
Published: July 25, 2024
Abstract
Cellulose
consists
of
a
natural,
rigid
polymer
that
is
widely
used
to
improve
the
mechanical
and
water‐holding
properties
hydrogels.
However,
its
abundant
hydroxyl
groups
make
it
highly
absorbent
free
water,
leading
swelling
behavior.
This
increased
water
content
will
also
decrease
adhesive
performance.
In
this
study,
cellulose
successfully
hydrophobically
modified
reduce
absorption
water.
Gelatin
then
cross‐linked
with
through
Schiff‐base
reaction,
resulting
in
bound
content.
significantly
enhances
resistance
permeability,
improves
freeze–thaw
stability
hydrogel.
Due
internal
hydrophobicity,
molecules
can
quickly
penetrate
into
interior,
reducing
their
residence
time
on
hydrogel
surface.
allows
maintain
high
adhesion
natural
environments,
achieving
an
strength
up
3.0
MPa
wood
bamboo‐based
materials.
The
retain
even
after
prolonged
exposure
humid
environment.
Additionally,
Na
+
ions
enhance
electrical
conductivity
sensitivity
(gauge
factor
(GF)
=
1.51),
demonstrating
potential
applications
flexible
sensing.
Giant,
Journal Year:
2024,
Volume and Issue:
19, P. 100299 - 100299
Published: June 5, 2024
In
the
era
of
smart
and
sustainable
technology
driven
by
naturally
occurring
materials,
various
nanocellulose-based
materials
play
a
crucial
role.
Shape
memory
behaviour
self-healing
capabilities
nanocelluloses
are
emerging
as
focal
points
in
numerous
research
domains.
Nanocellulose
its
derivatives
such
cellulose
nanocrystals
(CNC)
nanofibers
(CNF),
currently
limelight
due
to
their
excellent
shape-memory
properties,
making
them
suitable
for
multifunctional
devices.
this
regard,
CNF,
cutting-edge
material,
has
spurred
researchers
explore
potential
developing
contemporary
personalized
health
Therefore,
timely
comprehensive
review
is
essential
gain
deep
insights
into
effectiveness
CNF
Herein,
we
first
provide
succinct
introduction
all
nanocellulose
materials.
This
also
depicts
recent
advancements
breakthroughs
large
effective
synthesis
CNF-based
hybrid
Next,
focusing
on
performance,
sheds
new
light
advanced
applications
Finally,
perspectives
current
challenges
opportunities
field
summarized
future
an
in-depth
understanding
"CNF-based
materials."
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
With
the
miniaturization,
integration
and
intelligence
of
sweat
electrochemical
sensor
technology,
hydrogel
flexible
sensors
have
demonstrated
immense
potential
in
field
real-time
non-invasive
personal
health
monitoring.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 29, 2024
Abstract
Ionogels
are
considered
as
ideal
candidates
for
constructing
flexible
electronics
due
to
their
superior
electrical
conductivity,
flexibility,
high
thermal
and
electrochemical
stability.
However,
it
remains
a
great
challenge
simultaneously
achieve
sensitivity,
repeated
adhesion,
good
self‐healing,
biocompatibility
through
straightforward
strategy.
Herein,
inspired
by
nucleobase‐tackified
strategy,
multifunctional
adhesive
ionogel
is
developed
one‐step
radical
polymerization
of
acrylated
adenine/uracil
(Aa/Ua)
acrylic
acid
(AA)
monomers
in
sodium
caseinate
(SC)
stabilized
liquid
metal
dispersions.
As
soft
conductive
filler,
the
incorporating
not
only
improves
but
also
enhances
mechanical
strength,
satisfying
stretchable
sensing
application.
The
large
amount
noncovalent
interactions
(hydrogen
bonding,
coordination,
ion‐dipole
interactions)
within
networks
enable
ionogels
possess
excellent
stretchability,
skin‐like
softness,
strong
adhesion.
Based
on
these
desirable
characteristics,
suitable
wearable
strain
sensors
precisely
detect
diverse
human
movements
under
extreme
environments.
Moreover,
seamless
adhesion
with
skin
allows
function
bioelectrode
patch
long‐term
high‐quality
electrophysiological
signal
acquisition.
This
research
provides
promising
strategy
designing
tailored
functionalities
that
satisfy
application
requirements.
