Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: July 18, 2023
The
current
printing
mechanism
of
the
bottom-up
vat
photopolymerization
3D
technique
places
a
high
demand
on
fluidity
UV-curable
resin.
Viscous
high-performance
acrylate
oligomers
are
compounded
with
reactive
diluents
accordingly
to
prepare
printable
resins
(up
5000
cps
viscosity),
yet
original
mechanical
properties
sacrificed.
In
this
work,
an
elaborated
designed
linear
scan-based
system
is
developed,
allowing
adoption
viscosity
(>
600,000
cps).
Briefly,
realized
by
employment
four
rollers
create
isolated
area
resin
tank,
which
enables
simultaneous
curing
and
detachment
cured
part
from
tank.
To
verify
applicability
strategy,
oligomer
dominated
great
properties,
but
prepared
applied
developed
system.
It
inspiring
find
that
stress
strain
elastomers
toughened
materials
could
be
facilely
obtained.
This
expected
unblock
bottleneck
printed
material
build
better
platform
for
researchers
various
diversiform
printing.
Polymers,
Journal Year:
2021,
Volume and Issue:
13(18), P. 3101 - 3101
Published: Sept. 15, 2021
Additive
manufacturing
(AM)
or
3D
printing
is
a
digital
process
and
offers
virtually
limitless
opportunities
to
develop
structures/objects
by
tailoring
material
composition,
processing
conditions,
geometry
technically
at
every
point
in
an
object.
In
this
review,
we
present
three
different
early
adopted,
however,
widely
used,
polymer-based
processes;
fused
deposition
modelling
(FDM),
selective
laser
sintering
(SLS),
stereolithography
(SLA)
create
polymeric
parts.
The
main
aim
of
review
offer
comparative
overview
correlating
polymer
material-process-properties
for
techniques.
Moreover,
the
advanced
material-process
requirements
towards
4D
via
these
print
methods
taking
example
magneto-active
polymers
covered.
Overall,
highlights
aspects
serves
as
guide
select
suitable
technique
targeted
material-based
applications
also
discusses
implementation
practices
systems
with
current
state-of-the-art
approach.
Progress in Additive Manufacturing,
Journal Year:
2022,
Volume and Issue:
8(2), P. 331 - 351
Published: Aug. 25, 2022
Abstract
Additive
manufacturing
is
a
layer-by-layer
strategy
enabling
the
advanced
design
and
fabrication
of
complex
3D
objects
structures,
overcoming
geometry
limitations
reducing
waste
production
compared
to
conventional
technologies.
Among
various
additive
technologies,
digital
light
processing
(DLP),
an
technology
used
print
photopolymer
parts,
using
projected
source
cure
entire
layer
at
once.
Initially
developed
for
pure
resins,
recent
advances
have
demonstrated
potential
DLP
in
polymerization
ceramic
metal-loaded
suspensions,
metal
components
after
proper
debinding
sintering.
Such
flexibility
increases
different
applications,
ranging
from
dental
implants
bone
scaffolds
smart
biomaterials
soft
robotics,
wearables,
microfluidic
devices.
The
review
provides
overview
its
advances;
specifically,
covers
properties,
metallic
feedstock
preparation,
light-matter
interaction
mechanism
underpinning
printing
post-processing
steps.
Finally,
description
current
application
provided
complemented
with
future
perspectives.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(39)
Published: March 22, 2023
Abstract
The
rapid
development
of
additive
manufacturing
has
fueled
a
revolution
in
various
research
fields
and
industrial
applications.
Among
the
myriad
advanced
3D
printing
techniques,
two‐photon
polymerization
lithography
(TPL)
uniquely
offers
significant
advantage
nanoscale
print
resolution,
been
widely
employed
diverse
fields,
for
example,
life
sciences,
materials
mechanics,
microfluidics.
More
recently,
by
virtue
optical
transparency
most
resins
used,
TPL
is
finding
new
applications
optics
photonics,
with
nanometer
to
millimeter
feature
dimensions.
It
enables
minimization
elements
systems,
exploration
light‐matter
interactions
degrees
freedom,
never
possible
before.
To
review
recent
progress
related
research,
it
starts
fundamentals
material
formulation,
then
discusses
novel
fabrication
methods,
wide
range
These
notably
include
diffractive,
topological,
quantum,
color
optics.
With
panoramic
view
development,
concluded
insights
perspectives
future
potential
Polymers,
Journal Year:
2022,
Volume and Issue:
14(12), P. 2449 - 2449
Published: June 16, 2022
Additive
manufacturing
or
3D
printing
of
materials
is
a
prominent
process
technology
which
involves
the
fabrication
layer-by-layer
point-by-point
in
subsequent
manner.
With
recent
advancements
additive
manufacturing,
has
excited
great
potential
for
extension
simple
designs
to
complex
multi-material
geometries.
Vat
photopolymerization
subdivision
possesses
many
attractive
features,
including
excellent
resolution,
high
dimensional
accuracy,
low-cost
and
ability
spatially
control
material
properties.
However,
currently
limited
by
design
strategies,
chemistries,
equipment
limitations.
This
review
aims
provide
readers
with
comprehensive
comparison
different
technologies
along
detailed
knowledge
on
advances
vat
technologies.
Furthermore,
we
describe
popular
chemistries
both
from
past
more
recently,
future
prospects
address
material-related
limitations
photopolymerization.
Examples
impressive
capabilities
inspired
nature
are
applicable
today
multiple
areas
life
briefly
presented
applications
section.
Finally,
our
point
view
printed
structures
as
well
way
forward
towards
promising
further
iScience,
Journal Year:
2023,
Volume and Issue:
26(2), P. 106039 - 106039
Published: Jan. 25, 2023
Three-dimensional
(3D)
bioprinting
has
emerged
as
a
class
of
promising
techniques
in
biomedical
research
for
wide
range
related
applications.
Specifically,
stereolithography
apparatus
(SLA)
and
digital
light
processing
(DLP)-based
vat-polymerization
are
highly
effective
methods
bioprinting,
which
can
be
used
to
produce
high-resolution
architecturally
sophisticated
structures.
Our
review
aims
provide
an
overview
SLA-
DLP-based
3D
strategies,
starting
from
factors
that
affect
these
processes.
In
addition,
we
summarize
the
advances
bioinks
SLA
DLP,
including
naturally
derived
synthetic
bioinks.
Finally,
applications
both
discussed,
primarily
centered
on
regenerative
medicine
tissue
modeling
engineering.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
35(23)
Published: Dec. 3, 2022
Liquid
crystal
elastomers
(LCEs)
are
renowned
for
their
large,
reversible,
and
anisotropic
shape
change
in
response
to
various
external
stimuli
due
lightly
cross-linked
polymer
networks
with
an
oriented
mesogen
direction,
thus
showing
great
potential
applications
robotics,
bio-medics,
electronics,
optics,
energy.
To
fully
take
advantage
of
the
stimuli-responsive
behaviors
LCEs,
it
is
preferable
achieve
a
locally
controlled
alignment
into
monodomain
orientations.
In
recent
years,
application
4D
printing
LCEs
opens
new
doors
simultaneously
programming
3D
geometry,
offering
more
opportunities
higher
feasibility
fabrication
4D-printed
LCE
objects
desirable
properties.
Here,
state-of-the-art
advances
reviewed,
emphasis
on
both
mechanisms
applications.
First,
fundamental
properties
working
principles
representative
techniques
briefly
introduced.
Then,
by
advantages
over
conventional
manufacturing
methods
demonstrated.
Finally,
perspectives
current
challenges
development
trends
toward
discussed,
which
may
shed
light
future
research
directions
this
field.
European Polymer Journal,
Journal Year:
2024,
Volume and Issue:
205, P. 112718 - 112718
Published: Jan. 2, 2024
In
the
contemporary
era,
novel
manufacturing
technologies
like
additive
(AM)
have
revolutionized
different
engineering
sectors
including
biomedical,
aerospace,
electronics,
etc.
Four-dimensional
(4D)
printing
aka
AM
of
smart
materials
is
gaining
popularity
among
scientific
community,
which
has
excellent
ability
to
make
soft
structures
such
as
robots,
actuators,
and
grippers.
These
are
developed
by
applying
various
stimuli
pH,
temperature,
magnetic
field,
many
combinations
onto
materials.
Stimuli
in
3D
permit
shape-morphing
behaviors
bending,
twisting,
folding,
swelling,
rolling,
shrinking,
origami,
or
locomotion.
A
wide
variety
can
be
fabricated
through
incorporation
hard
particles
into
resulting
magneto-active
(MASMs).
With
this
integration,
magneto-thermal
coupling
actuation
allows
diverse
magneto-deformations,
facilitating
development
personalized
devices
that
capable
enhanced
deformation.
review,
guidelines
provided
on
for
MASMs
polymers
(MAPs),
composites,
hydrogels
(MAHs)
booming
flexible
wearable
biomimetic
devices.
Moreover,
3D-printed
robotics
an
outstanding
capacity
adapt
complicated
situations
advanced
actuating
applications.
Finally,
some
current
challenges
emerging
areas
exciting
technology
been
proposed.
Lastly,
it
anticipated
technological
advancements
developing
intelligent
will
a
significant
impact
design
real-world
