ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
As
a
high-performance
polymer
material,
conductive
hydrogels
are
widely
employed
in
the
fields
of
motion
monitoring,
electronic
skin,
and
energy
storage
devices,
which
rely
on
flexible
materials,
including
hydrogel,
elastomer,
composite
hydrogel.
However,
preparing
hydrogel
with
excellent
mechanical
properties
is
great
challenge.
Inspired
by
structure
crocodile
trilayer
was
prepared.
The
three
layers
were
Ecoflex
poly(acrylamide-2-hydroxyethyl
methacrylate)
(PAAm-HEMA)
graphene/2-hydroxyethyl
methacrylate
(G/PHEMA)
respectively.
Covalent
bonds
generated
photochemical
reaction
between
elastomer
Eco
P(AAm-HEMA)
also
formed
G/PHEMA
chemical
N,N′-methylenebis(2-propenamide),
worked
as
cross-linking
agent;
hydrogen
bonding
these
two
formed.
These
physical
interactions
provided
firm
prevented
interlayer
slippage
under
an
external
force.
G/PHEMA-P(AAm-HEMA)-Eco
possessed
high
fracture
stress
elongation
at
break
up
to
2.1
MPa
1305%,
conductivity
0.028
S/m
attributed
incorporation
graphene
network
Based
electrical
conductivity,
this
applied
sensor
detect
human
signals.
results
indicate
that
represents
promising
paving
way
for
innovative
applications
next-generation
devices.
Journal of Biomaterials Science Polymer Edition,
Год журнала:
2024,
Номер
unknown, С. 1 - 24
Опубликована: Дек. 2, 2024
Ionically
conductive
hydrogels
(ICHs)
are
considered
promising
flexible
electronic
devices
and
various
wearable
sensors
due
to
the
integration
of
performance
soft
nature
human
tissue-like
materials
with
mechanical
sensory
traits.
Recently,
substantial
progress
has
been
made
in
research
ICHs,
including
high
conductivity,
solution
processability,
strong
adhesion,
stretchability,
self-healing
ability,
good
biocompatibility.
These
advanced
researches
also
promote
their
excellent
application
prospects
medical
monitoring,
sports
health,
smart
wear,
other
fields.
This
article
reviewed
ICHs'
current
classification
design
strategies
biomedical
applications
structure–activity
relationship
interface
between
biological
systems
electronics.
Furthermore,
typical
cases
frontiers
skin
ICHs
were
elaborated
transdermal
drug
delivery,
wound
healing,
disease
diagnosis
treatment,
human–computer
interaction.
aims
inspire
related
on
ionically
field
innovation
device
technology.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(22), С. 13497 - 13511
Опубликована: Ноя. 4, 2024
High
adhesion
between
the
sensor
and
skin
is
crucial
for
accurate
detection
of
signals
from
human
body
while
maintaining
mechanical
electrical
properties,
including
self-recovery
reliability.
However,
ensuring
all
these
properties
in
layer
simultaneously
challenging.
Without
conformal
contact
sensor,
real-time
monitoring
hampered
by
a
high
signal-to-noise
ratio.
In
this
review,
we
highlight
importance
healthcare
monitoring,
focusing
on
reduced
noise
absence
irritation
or
side
effects
long-term
usage.
The
types
characteristics
hydrogels
are
summarized,
detailing
significance
conductive
role
tough
with
robust
properties.
Various
layers
various
patterns
shapes
also
discussed
as
well
wet
dry
electrodes,
along
their
advantages
limitations.
Furthermore,
introducing
research
double-sided
skin-sensitive
hydrogel-based
adhesive
that
ensure
to
can
be
utilized
sensors,
review
aims
present
potential
advancements
sensors.
By
balancing
excellent
layers,
have
advance
related
biosensors.
Moreover,
due
sustained
adhesion,
they
expand
sensing
applications
into
emerging
biofields,
such
stress
detection,
which
has
been
challenging
measure.
Therefore,
introduces
wearable
layers.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
As
a
high-performance
polymer
material,
conductive
hydrogels
are
widely
employed
in
the
fields
of
motion
monitoring,
electronic
skin,
and
energy
storage
devices,
which
rely
on
flexible
materials,
including
hydrogel,
elastomer,
composite
hydrogel.
However,
preparing
hydrogel
with
excellent
mechanical
properties
is
great
challenge.
Inspired
by
structure
crocodile
trilayer
was
prepared.
The
three
layers
were
Ecoflex
poly(acrylamide-2-hydroxyethyl
methacrylate)
(PAAm-HEMA)
graphene/2-hydroxyethyl
methacrylate
(G/PHEMA)
respectively.
Covalent
bonds
generated
photochemical
reaction
between
elastomer
Eco
P(AAm-HEMA)
also
formed
G/PHEMA
chemical
N,N′-methylenebis(2-propenamide),
worked
as
cross-linking
agent;
hydrogen
bonding
these
two
formed.
These
physical
interactions
provided
firm
prevented
interlayer
slippage
under
an
external
force.
G/PHEMA-P(AAm-HEMA)-Eco
possessed
high
fracture
stress
elongation
at
break
up
to
2.1
MPa
1305%,
conductivity
0.028
S/m
attributed
incorporation
graphene
network
Based
electrical
conductivity,
this
applied
sensor
detect
human
signals.
results
indicate
that
represents
promising
paving
way
for
innovative
applications
next-generation
devices.
