Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
26(1), P. 679 - 688
Published: Dec. 16, 2024
The
development
of
engineered
hydrogels
with
high
strength,
self-recovery,
and
adhesion
is
essential
for
applications
requiring
resistance
to
large
deformations
cyclic
loading.
Herein,
a
triple-network
(TN)
hydrogel
ultrahigh
compressive
strong
adhesion,
good
self-recovery
was
constructed
by
using
tannic
acid-modified
chrome
leather
scrap
hydrolysate
as
the
first
network,
polyacrylamide
second
poly-2-propenamide-2-methylpropanesulfonic
acid
third
network.
(70
MPa
strength
95%
compression
deformation)
TN
were
effectively
created,
which
attributed
synergy
three
networks.
display
(adhesion
>
20
kPa)
ascribed
introduction
phenolic
hydroxyl
groups
in
acid.
Intriguingly,
exhibit
excellent
performance
(93.6%
dissipated
energy
recovery
at
70
°C)
shape
memory
(restored
original
s).
These
properties
are
high-performance
promote
resource
utilization
waste.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(22), P. 13785 - 13794
Published: Nov. 2, 2024
High-performance
ionic
conductive
gels
are
essential
for
the
development
of
flexible
electronic
devices.
However,
robustness
and
conductivity
gel
materials
compromised
at
extreme
temperatures.
In
this
study,
a
high-performance
eutectogel
composed
cellulose
metal-based
deep
eutectic
solvent
(DES)
was
prepared.
Specifically,
dissolved
in
ternary
DES
(ZnCl2/water/citric
acid)
room
temperature,
then
another
polymerizable
(ZnCl2/acrylic
introduced
to
prepare
eutectogels
with
multiple
cross-linking
hydrogen
bonds.
such
design,
as-obtained
display
decent
mechanical
performance
(tensile
stress
up
1.43
MPa)
superior
(5.51
S
m–1).
Furthermore,
their
excellent
environmental
adaptability
allows
use
across
wide
range
temperatures
from
−45
+95
°C.
Eutectogel-based
wearable
multifunctional
sensors
highly
responsive
both
tensile
compressive
deformation,
monitor
human
movement,
transmit
stable
tunable
electrical
signals.
As
solid-state
eutectogel-based
electrolyte,
assembled
supercapacitor
has
operating
voltage
window
2.2
V
high
specific
capacitance
143.2
F
g–1
current
density
0.5
A
g–1.
This
work
provides
an
idea
designing
green
gel-based
Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
26(1), P. 679 - 688
Published: Dec. 16, 2024
The
development
of
engineered
hydrogels
with
high
strength,
self-recovery,
and
adhesion
is
essential
for
applications
requiring
resistance
to
large
deformations
cyclic
loading.
Herein,
a
triple-network
(TN)
hydrogel
ultrahigh
compressive
strong
adhesion,
good
self-recovery
was
constructed
by
using
tannic
acid-modified
chrome
leather
scrap
hydrolysate
as
the
first
network,
polyacrylamide
second
poly-2-propenamide-2-methylpropanesulfonic
acid
third
network.
(70
MPa
strength
95%
compression
deformation)
TN
were
effectively
created,
which
attributed
synergy
three
networks.
display
(adhesion
>
20
kPa)
ascribed
introduction
phenolic
hydroxyl
groups
in
acid.
Intriguingly,
exhibit
excellent
performance
(93.6%
dissipated
energy
recovery
at
70
°C)
shape
memory
(restored
original
s).
These
properties
are
high-performance
promote
resource
utilization
waste.
