ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(2), P. 1988 - 2002
Published: Jan. 7, 2025
Pickering
emulsions
(PEs)
have
demonstrated
significant
potential
in
various
fields,
including
catalysis,
biomedical
applications,
and
food
science,
with
notable
advancements
wastewater
treatment
through
photocatalysis.
This
study
explores
the
development
application
of
TiO2-poly(N-isopropylacrylamide)
(pNIPAm)
composite
gels
as
a
novel
framework
for
photocatalytic
remediation.
The
research
focuses
on
overcoming
challenges
associated
conventional
nanoparticle-based
systems,
such
agglomeration
inefficient
recovery
particles.
By
integrating
TiO2
nanoparticles
into
pNIPAm
gels,
we
aimed
to
achieve
high
emulsion
stability
efficiency
while
suppressing
effects
pNIPAm's
volume
phase
transition
temperature
(VPTT)
facilitate
effective
recovery.
involves
synthesis
TiO2-pNIPAm
composites
varying
monomer-to-particle
ratios,
characterizing
their
VPTT
behavior,
morphology,
thermal
stability.
These
were
then
evaluated
emulsification
properties,
activity
degrading
4-propylbenzoic
acid,
model
pollutant.
results
highlight
effectiveness
treatment,
offering
improved
reusability
compared
traditional
dispersion-based
systems.
work
provides
new
insights
design
materials
enhanced
applications
demonstrates
sustainable
environmental
ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
13(11), P. 12689 - 12697
Published: Dec. 2, 2020
Hydrogels
with
attractive
stimuli-responsive
volume
changing
abilities
are
seeing
emerging
applications
as
soft
actuators
and
robots.
However,
many
hydrogels
intrinsically
fragile
for
tolerating
mechanical
damage
in
real
world
could
not
deliver
high
actuation
force
because
of
the
weakness
porous
polymer
network.
Conventional
tough
hydrogels,
fabricated
by
forming
double
networks,
dual
cross-linking,
compositing,
satisfy
both
toughness
stimuli
responsiveness.
Herein,
we
present
a
material
design
combining
responsive
components
single
hydrogel
network,
which
enables
synergistic
realization
performance.
We
showcased
this
an
exemplary
thermally
based
on
PVA/(PVA-MA)-g-PNIPAM,
achieved
100
times
higher
(∼10
MJ/m3)
20
stress
kPa)
compared
to
conventional
PNIPAM
contraction
ratio
up
50%
simultaneously.
The
effects
salt
concentration,
ratio,
structural
properties
have
been
systematically
investigated.
Utilizing
4D
printing,
various
geometries
were
fabricated,
well
lattice-architected
macro-voids,
presenting
4
faster
speed
bulk
hydrogel,
addition
toughness,
force,
ratio.
