Biomass-derived
materials
are
becoming
increasingly
crucial
in
the
advancement
of
sustainable
functional
materials.
Lignin,
a
naturally
occurring
aromatic
biopolymer
derived
from
plants,
offers
significant
benefits
such
as
cost
efficiency,
biocompatibility,
and
biodegradability,
making
it
focal
point
research
application
across
various
domains.
As
cross-linked
polymer,
lignin
possesses
numerous
hydrophilic
active
groups
that
facilitate
development
lignin-based
hydrogels
(LFHs).
Recent
studies
have
made
notable
contributions
to
design,
fabrication,
hydrogels,
thereby
enhancing
their
potential
purpose-specific
This
perspective
presents
comprehensive
overview
fabrication
strategies
emerging
applications
LFHs,
covering
roles
water
treatment,
smart
responsive
materials,
wound
dressings,
wearable
flexible
supercapacitors/electronics.
Additionally,
challenges
limitations
inherent
these
rooted
polymer
structure
chemistry,
discussed.
work
aims
pave
way
for
future
advancements
design
sustainability
ultimately
expanding
possibilities
biobased
hydrogels.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(22), P. 8255 - 8270
Published: May 22, 2023
Hydrogel
shows
great
potential
as
a
flexible
wearable
electronic
device.
However,
the
practical
application
of
hydrogel
is
still
significantly
limited
due
to
poor
functional
stability
caused
by
swelling
behavior,
non-frost
resistance
high
water
content,
and
obvious
creep
behavior
under
repeated
external
force.
In
this
work,
macromolecular
lignin
with
three-dimensional
network
structure,
active
groups
are
introduced
into
through
esterification
grafting
reaction
methacryloyl
chloride.
The
introduction
effectively
improves
antiswelling,
antifreezing,
sensor,
while
maintaining
mechanical
properties
(elongation
at
break
>
350%,
tensile
strength
1.5
MPa)
electrical
conductivity
(10
S/m).
Under
extreme
environments,
toughness,
strength,
elongation
remain
more
than
96%.
Furthermore,
resistance,
sensors
not
affected
after
immersion
in
for
long
time
(72
h).
This
work
proposes
simple
strategy
improve
anticreep
hydrogels,
which
has
guiding
significance
preparation
high-performance
materials.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(28), P. 10578 - 10589
Published: July 6, 2023
Conductive
hydrogels
have
become
one
of
the
hot
topics
in
flexible
strain
sensors
owing
to
excellent
biocompatibility,
attractive
mechanical
flexibilities,
and
conductive
properties.
However,
time-consuming
preparation
their
unsuitable
properties
limit
application
low-temperature
environment
high
temperatures.
Here,
a
new
class
"deep
eutectic
solvent-in-water"
(DIWHs)
is
reported
for
first
time
through
one-step
gelation
process
situ
without
solvent
displacement,
fabricated
by
combining
hydrogel
with
deep
(DES).
The
DIWH
constructed
using
dynamic
oxidation
coordination
system
composed
sodium
lignosulfonate
(Ls)
Fe3+.
effect
DES
optimal
mass
ratio
water
on
was
synthetically
investigated.
addition
not
only
shortens
polymerization
8
s
enhances
but
also
provides
some
unique
For
example,
gives
gels
greater
self-healing
ability
antibacterial
When
1:3,
antifreezing
antidrying
were
imparted
gel,
elasticity
maintained
even
at
−80
°C
or
stored
60
7
days.
Furthermore,
exhibited
strong
interfacial
adhesion
natural
synthetic
materials
(up
kPa
glass)
due
presence
Ls
catechol
structure.
In
conclusion,
this
work
stimulates
more
interest
sustainable
high-value
utilization
fully
demonstrates
advantages
easy-to-prepare
coacervation
gel
sensing.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 4, 2024
Natural
polymer-based
hydrogels
have
demonstrated
great
potential
as
wound-healing
dressings.
They
help
to
maintain
a
moist
wound
environment
well
promote
faster
healing.
In
this
work,
multifunctional
hydrogel
was
prepared
using
keratin,
sodium
alginate,
and
carboxymethyl
chitosan
with
tannic
acid
modification.
Micro-morphology
of
has
been
performed
by
scanning
electron
microscopy.
Fourier
Transform
Infrared
Spectroscopy
reveals
the
presence
hydrogen
bonding.
The
mechanical
properties
were
examined
universal
testing
machine.
Furthermore,
we
investigated
several
modified
hydrogel.
These
include
swelling
rate,
water
retention,
anti-freezing
properties,
antimicrobial
antioxidant
hemocompatibility
evaluation
cell
viability
test
in
vitro.
three-dimensional
microporous
structure,
rate
1541.7%,
elastic
modulus
589.74
kPa,
toughness
211.74
kJ/m
Aggregate,
Journal Year:
2024,
Volume and Issue:
5(5)
Published: May 15, 2024
Abstract
Supercapacitors
(SCs)
are
studied
and
used
in
various
fields
due
to
their
high
power
density,
fast
charging/discharging
rate,
as
well
long
cycle
life.
Compared
other
traditional
electrode
electrolyte
materials,
supramolecular
hydrogels
have
great
advantages
the
application
of
SCs
excellent
properties.
Unlike
covalent
bonds,
systems
assembled
through
dynamic
reversible
including
host–guest
interactions,
ion
electrostatic
hydrogen
bonding,
coordination
etc.
The
resulting
show
some
special
functions,
such
stretching,
compression,
adhesion,
self‐healing,
stimulus
responsiveness,
etc.,
making
them
strong
candidates
for
next
generation
energy
storage
devices.
This
paper
reviews
representative
progress
electrodes,
electrolytes,
based
on
hydrogels.
Besides,
properties
hydrogels,
conductivity,
extensibility,
compressibility
elasticity,
frost
resistance,
flexibility,
also
reviewed
highlight
key
role
hydrogel
materials
SCs.
In
addition,
this
article
discusses
challenges
faced
by
current
technologies,
hoping
continue
promoting
future
research
field.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(26), P. 33135 - 33148
Published: June 20, 2024
Atopic
dermatitis
(AD),
a
chronic
skin
condition
characterized
by
itching,
redness,
and
inflammation,
is
closely
associated
with
heightened
levels
of
endogenous
reactive
oxygen
species
(ROS)
in
the
skin.
ROS
can
contribute
to
onset
progression
AD
through
oxidative
stress,
which
leads
release
proinflammatory
cytokines,
T-cell
differentiation,
exacerbation
symptoms.
In
this
study,
we
aim
develop
therapeutic
antioxidant
hydrogel
patch
for
potential
treatment
using
lignin,
biomass
waste
material.
Lignin
contains
polyphenol
groups
that
enable
it
scavenge
exhibit
properties.
The
lignin
patches,
possessing
optimized
mechanical
properties
control
cross-linker
ratio,
demonstrated
high
ROS-scavenging
capabilities.
Furthermore,
excellent
biocompatibility
skin,
exhibiting
beneficial
protecting
human
keratinocytes
under
conditions.
When
applied
an
mouse
model,
effectively
reduced
epidermal
thickness
inflamed
regions,
decreased
mast
cell
infiltration,
regulated
inflammatory
cytokine
levels.
These
findings
collectively
suggest
serves
as
managing
modulating
stress
its
ability.
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
summarized
lignin/lignocellulose
materials
for
various
3D
printing
techniques
and
their
related
applications,
where
lignin
is
used
in
an
isolated
state,
as
part
of
lignocellulose
biomass
or
chemically
modified
to
better
bind
with
a
matrix.
