Advanced Materials Technologies,
Год журнала:
2024,
Номер
9(12)
Опубликована: Апрель 15, 2024
Abstract
Inspired
by
human
skin,
soft
sensors
that
are
capable
of
sensing
various
external
signals
have
been
an
active
area
research.
However,
the
vast
majority
developed
still
lag
far
behind
skin
in
terms
multimodal
capability.
Herein,
this
work
reports
on
a
sensor
can
decouple
thermal
and
mechanical
signals.
The
is
made
poly(ethylene
glycol)
gel
(PEGgel)
containing
ionic
liquid,
which
stretchable
transparent
shows
decent
strain
temperature
performances.
Importantly,
analysis
ion
relaxation
dynamics
charge
time
capacitance
change
independently
sensitive
to
variations
deformation,
respectively.
By
measuring
capacitance,
detected
PEGgel
be
nicely
decoupled
without
signal
interference.
Such
may
serve
as
starting
point
for
development
lifelike
high‐tech
applications
variety
fields
such
robotics,
internet
things,
human–machine
interaction.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
4D
printing
is
a
groundbreaking
technology
that
seamlessly
integrates
additive
manufacturing
with
smart
materials,
enabling
the
creation
of
multiscale
objects
capable
changing
shapes
and/or
functions
in
controlled
and
programmed
manner
response
to
applied
energy
inputs.
Printing
technologies,
mathematical
modeling,
responsive
stimuli,
structural
design
constitute
blueprint
printing,
all
which
have
seen
rapid
advancement
past
decade.
These
advancements
opened
up
numerous
possibilities
for
dynamic
adaptive
structures,
finding
potential
use
healthcare,
textiles,
construction,
aerospace,
robotics,
photonics,
electronics.
However,
current
primarily
focuses
on
proof-of-concept
demonstrations.
Further
development
necessary
expand
range
accessible
materials
address
fabrication
complexities
widespread
adoption.
In
this
paper,
we
aim
deliver
comprehensive
review
state-of-the-art
probing
into
shape
programming,
exploring
key
aspects
resulting
constructs
including
design,
morphing
mechanisms,
stimuli-responsiveness,
elaborating
prominent
applications
across
various
fields.
Finally,
discuss
perspectives
limitations,
challenges,
future
developments
realm
printing.
While
undoubtedly
vast,
continued
research
innovation
are
essential
unlocking
its
full
capabilities
maximizing
real-world
impact.
Chemical Reviews,
Год журнала:
2024,
Номер
124(7), С. 3978 - 4020
Опубликована: Март 28, 2024
Photopolymers
have
been
optimized
as
protective
and
decorative
coating
materials
for
decades.
However,
with
the
rise
of
additive
manufacturing
technologies,
vat
photopolymerization
has
unlocked
use
photopolymers
three-dimensional
objects
new
material
requirements.
Thus,
originally
highly
cross-linked,
amorphous
architecture
cannot
match
expectations
modern
anymore,
revealing
largely
unanswered
question
how
diverse
properties
can
be
achieved
in
photopolymers.
Herein,
we
review
microstructural
features
soft
matter
should
designed
implemented
to
obtain
high
performance
materials.
We
then
translate
these
findings
into
chemical
design
suggestions
enhanced
printable
Based
on
this
analysis,
found
heterogenization
most
powerful
tool
tune
photopolymer
performance.
By
combining
toolbox
analytical
characterization,
examine
current
strategies
physical
(fillers,
inkjet
printing)
(semicrystalline
polymers,
block
copolymers,
interpenetrating
networks,
induced
phase
separation)
put
them
a
scientific
context
develop
roadmap
improving
diversifying
photopolymers'
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 10, 2024
Abstract
Materials
with
ultra‐fast
responsive
properties
are
essential
for
various
applications.
Among
the
materials,
poly(
N
‐isopropylacrylamide)
(PNIPAM)
stands
out
due
to
its
well‐studied
temperature‐responsive
properties.
Improving
kinetics
of
PNIPAM
is,
however,
still
advancing
practical
use.
Here,
rate
hydrogels
is
enhanced
by
first
incorporating
sub‐micrometer
porosity
into
material
through
polymerization‐induced
phase
separation
(PIPS),
followed
introducing
millimeter
scale
pores
via
3D
printing,
thereby
rendering
hierarchical
porosity.
The
3D‐printed
porous
structures
show
accelerated
swelling
and
deswelling,
when
compared
non‐porous
structures,
water
permeability
associated
continuous
network
micrometer
millimeter‐sized
pores.
Additionally,
thinner
polymer
result
in
faster
temperature
response
rates.
At
same
time,
mechanical
strength
high
walls
not
compromised,
overcoming
common
trade‐off
between
Self-limiting
selective
phase
separation
(SPS)
behavior
was
reported
in
the
mixture
of
graphene
oxide
and
polymers
solutions.
We
invented
SPS
spinning
to
fabricate
hierarchically
structured
graphene-based
fibers
with
extraordinary
flexibility.
Virtual and Physical Prototyping,
Год журнала:
2023,
Номер
18(1)
Опубликована: Сен. 7, 2023
Masked
stereolithography
printing
can
be
used
to
produce
functionalised
magneto-responsive
polymer
structures.
Magnetic
filler
additivation
of
the
photopolymer
enables
production
powerful
and
fast
soft
robotics.
However,
current
approaches
require
high
concentrations,
reducing
mechanical
properties
compromising
processability.
In
this
study,
FeNi
nanoparticles
were
added
a
take
advantage
their
magnetic
response
magnetisation.
Field-assisted
gives
rise
anisotropy
by
arranging
laser-synthesised
into
uniaxial
strands
up
500
μm
length.
Favoured
small
size
even
distribution
nanoparticles,
only
0.02
wt%
are
needed
detect
responsivity.
Thus,
impact
on
property
is
reduced
while
facilitating
control
over
composite
properties.
The
practical
feasibility
composites
demonstrated
actuating
gripper
impeller
structures
which
offer
possibilities
in
applications
like
drug
delivery
tissue
engineering.
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
141(26)
Опубликована: Апрель 9, 2024
Abstract
Deep
eutectic
solvent
(DES)‐based
eutectogels,
known
for
their
superior
ionic
conductivity,
non‐volatility,
biocompatibility,
and
cost‐effectiveness,
have
emerged
as
promising
materials
flexible
devices.
However,
the
development
of
tough
stretchable
eutectogels
remains
a
significant
challenge.
Herein,
we
introduce
one‐step
in‐situ
phase
separation
strategy
to
fabricate
P(MAA‐
co
‐AAm)/TEAC‐EG
copolymer
through
random
copolymerization
methacrylic
acid
(MAA)
acrylamide
(AAm)
in
tetraethylammonium
chloride‐ethylene
glycol
(TEAC‐EG)
DES.
The
poor
compatibility
PAAm
segments
with
TEAC‐EG
DES
results
formation
polymer‐rich
phase,
leading
energy
dissipation
during
loading.
Simultaneously,
PMAA
exhibiting
good
DES,
form
solvent‐rich
that
distributes
stress
facilitates
ion
migration.
synergy
between
these
two
phases
imparts
ultratoughness
excellent
conductivity
eutectogel.
resultant
eutectogel
exhibits
high
strength
(2.40
MPa),
toughness
(22.90
MJ
m
−3
),
remarkable
stretchability
1340%,
while
demonstrating
self‐recovery,
self‐healing
abilities,
adhesive
performance.
Notably,
its
reaches
1.07
mS
cm
−1
at
20°C,
rendering
well‐suited
applications
strain
sensors
human
motion
detection.
This
study
presents
facile
approach
tune
microstructure
properties,
thereby
expanding
potential
high‐performance
electronics.
ABSTRACT
Postoperative
pain
and
tumor
recurrence
are
critical
challenges
following
malignant
resection.
To
address
these
issues,
we
developed
a
supramolecular
gel
delivery
system
loaded
with
ropivacaine
microcrystals
(RopC
Gel).
Using
PEG400
as
the
solvent,
successfully
screened
identified
matrix
materials
capable
of
forming
hydrogels
through
heating–cooling
process.
By
strategically
leveraging
hydrophilic
hydrophobic
properties
matrix,
controlled
its
mechanical
strength
degradation
rate
by
adjusting
ratio
to
components,
resulting
in
degradable,
injectable,
self‐healing
system.
In
both
rat
plantar
incision
mouse
resection
models,
RopC
Gel
provided
long‐lasting
analgesia
for
up
5
days.
Notably,
tumor‐resected
mice
treated
demonstrated
extended
survival
slower
progression.
Further
vitro
vivo
experiments
revealed
that
affects
mitochondrial
function
promoting
accumulation
reactive
oxygen
species
cells,
inducing
pyroptosis,
stimulating
immunogenic
cell
death
(ICD),
activating
anti‐tumor
immune
responses.
This
work
offers
an
innovative
solution
postoperative
management.
Additionally,
controllable
outlined
this
study
provide
efficient
strategy
release
multiple
drugs,
potential
widespread
clinical
applications.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Abstract
Polymer
gels
are
versatile
materials
in
biomedical
applications,
sensors,
and
actuators.
However,
designing
with
diverse
functionalities,
such
as
high
toughness,
self‐healing
capability,
3D
printability,
is
often
challenging.
In
this
work,
it
found
that
random
copolymerization
of
N
‐isopropyl
acrylamide
(NIPAm)
a
small
amount
acrylic
acid
(AAc)
hydrophobic
eutectic
solvent
consisting
menthol
decanoic
leads
to
eutectogels
toughened
by
polymer‐solvent
hydrogen
bonding.
Interestingly,
further
increasing
AAc
content
induced
phase
separation
glassy
AAc‐riched
domain
significantly
increased
the
stiffness
eutectogels.
The
stretchability
poly(NIPAm‐co‐AAc)
can
also
be
easily
modulated
adjusting
monomer
concentration,
leading
highly
transparent
toughness.
Furthermore,
demonstrate
efficient
dissipation,
reasonable
recovery,
moderate
capability.
resin
compatible
digital
light
processing
printing
prepare
dielectric
layers
different
geometric
designs
for
capacitive
sensors.
By
integrating
functions
printing,
approach
provides
new
avenue
soft
broad
palette
mechanical
properties
geometrical
designs.
