Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
3D
printing,
such
as
fused
deposition
modeling
(FDM),
is
an
advanced
shaping
technology,
employing
a
layer‐by‐layer
process
to
construct
objects.
However,
the
weak
interlayer
bonding
restricts
performance
and
functionality
of
FDM‐fabricated
parts.
Herein,
boronate
bond
exchange
utilized
enhance
mechanical
strength
enable
modular
4D
printing
polylactic
acid
(PLA).
Blending
dynamic
system
endows
PLA
with
improved
adhesion
welding
capabilities.
The
blended
filaments
demonstrate
excellent
printability,
150%
enhancement
in
Z‐axis
strength,
while
nearly
unchanged
along
X‐axis.
Moreover,
this
enhanced
facilitates
assembly
intricate
structures,
eliminating
need
for
traditional
3D‐printed
supports.
Combined
shape
memory
effects,
diverse
possibilities
are
demonstrated.
This
strategy
highlights
potential
covalent
bonds
enhancing
not
only
material
but
also
intelligent
designs.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 19, 2024
Hydrogels
present
attractive
opportunities
as
flexible
sensors
due
to
their
soft
nature
and
tunable
physicochemical
properties.
Despite
significant
advances,
practical
application
of
hydrogel-based
sensor
is
limited
by
the
lack
general
routes
fabricate
materials
with
combination
mechanical,
conductive,
biological
Here,
a
multi-functional
hydrogel
reported
in
situ
polymerizing
acrylamide
(AM)
N,N'-bis(acryloyl)cystamine
(BA)
dynamic
crosslinked
silver-modified
polydopamine
(PDA)
nanoparticles,
namely
PAM/BA-Ag@PDA.
Compared
traditional
polyacrylamide
(PAM)
hydrogel,
BA-Ag@PDA
nanoparticles
provide
both
high-functionality
crosslinks
multiple
interactions
within
PAM
networks,
thereby
endowing
optimized
PAM/BA-Ag@PDA
significantly
enhanced
tensile/compressive
strength
(349.80
kPa
at
383.57%
tensile
strain,
263.08
90%
compressive
strain),
lower
hysteresis
(5.2%),
improved
conductivity
(2.51
S
m
Journal of Composites Science,
Journal Year:
2024,
Volume and Issue:
8(8), P. 324 - 324
Published: Aug. 16, 2024
Shape-memory
polymers
(SMPs)
possess
unique
properties
that
respond
to
external
stimuli.
The
current
review
discusses
types
of
SMPs,
fabrication
methods,
and
the
characterization
their
mechanical,
thermal,
shape
recovery
properties.
Research
suggests
SMP
composites,
when
infused
with
fillers,
demonstrate
enhanced
mechanical
thermal
characteristics.
On
other
hand,
blends,
particularly
incorporating
polylactic
acid
(PLA),
exhibit
most
efficient
recovery.
Furthermore,
crosslinking
density
in
polymer
blends
impacts
force,
showcasing
a
correlation
between
energy
storage
capacity
force
networks.
Overall,
show
promising
features,
rendering
them
advantageous
for
applications
artificial
muscles,
soft
actuators,
biomedical
devices.
This
also
future
prospectives
robust
applications.
Advanced Engineering Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
This
review
aims
to
summarize
recent
advances
in
3D
printing
technologies
for
polymer‐based
bone
scaffolds,
focusing
on
material
applications
and
clinical
implications.
The
applicable
different
materials
are
discussed
with
their
characteristics
application
advantages,
specifically
the
common
techniques
polymer
used.
Recent
of
3D‐printed
scaffolds
multifunctionality
(i.e.,
drug
delivery,
regeneration
minimally
invasive
implantation)
then
presented
provide
guidance
potential
applications.
Structural
defects
and
biological
inertness
significantly
impair
the
integration
of
titanium
alloy
implants
bone
tissues.
In
spinal
internal
fixation,
issue
pedicle
screw
loosening
or
fracture
caused
by
poor
urgently
needs
solving.
this
study,
we
utilized
3D
printing
technology
to
custom
fabricate
a
structurally
optimized
porous
with
aim
enhancing
regeneration
at
defect
site,
thereby
fixation
implant
in
vivo.
Results
showed
that
unit
has
superior
mechanical
properties
actively
promotes
cell
adhesion
growth
surface
interface.
The
based
on
structure
immediate
bonding
strength
bending
resistance
comparable
clinical
products
provides
an
optimal
spatial
for
newly
regenerated
ingrowth
integration.
Alkali-thermal
activation
constructed
bioactive
sodium
titanate
coating
surface,
which
promoted
proliferation,
adhesion,
osteogenic
differentiation
BMSCs.
This
further
enhances
performance
interface,
highlighting
advantages
optimization.
beagle
vertebrae,
surrounding
inward
bone,
strengthening
osseointegration
interface
inside,
thus
synergistically
fixation.
study
pioneers
introduction
into
through
structural
optimization,
innovative
strategy
development
improves
potential
value
advancing
utilization
3D-printed
orthopedic
implants.
