Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 31, 2024
Abstract
Actuators
play
important
roles
in
various
fields
due
to
their
high
intelligence.
However,
the
present
actuators
are
hard
achieve
load
capacity
and
easy
fast
deformation
simultaneously.
Here,
a
novel
heterostructure
magnetic
composite
material
is
proposed,
which
can
work
as
matrix
create
by
easily
tailored
magnetized.
Initially,
UV‐responsive
stiffness‐tunable
polymer
(URST‐polymer)
developed
using
situ
encapsulation
of
reactive
double
bonds,
achieving
modulus
increase
up
15
600
times
after
stiffening.
By
introducing
NdFeB@PDA
particles
into
URST‐polymer,
created
through
one‐step
curing
process,
features
dual‐functional
layers:
layer
with
ensures
excellent
actuation
properties,
while
pure
guarantees
effective
UV‐induced
Consequently,
light‐responsive
actuator
(LRST‐MA)
made
demonstrates
rapid
actuation,
bistable
states,
stiffness.
The
URST
also
imparts
shape
memory
properties
special
network.
Combining
those
advantages
structural
magnetization
design,
be
used
applications
such
multi‐morphic
actuators,
variable
stiffness
grippers,
deployable
antennas,
emergency
robots,
provide
simple
strategy
for
designing
actuators.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(16), С. 9922 - 9931
Опубликована: Авг. 2, 2024
Introducing
renewable
compounds
and
dynamic
covalent
bonds
into
polymeric
networks
to
achieve
sustainability,
self-healing,
reprocessability
is
of
great
significance
in
reducing
the
carbon
footprint
materials.
This
study
developed
sustainable
biomass
adaptable
(BCANs)
using
magnolol
phenylborate.
First,
a
prepolymer
was
obtained
by
phenolic
hydroxyl
group
on
diglycidyl
ether
for
epoxy
ring
opening
addition
polymerization.
Then,
allyl
used
perform
thiol–ene
photochemical
reaction
with
dithiol
containing
boronic
ester;
ultimately,
magnolol-based
BCANs
were
prepared.
The
dynamically
reversible
boron
ester
enable
both
recyclability
self-healing
properties,
enhancing
their
application
scope
different
scenarios.
Additionally,
confirms
that
after
undergoing
four
man-made
damages,
BCANs'
capability
remained
almost
unchanged,
even
Young's
modulus
showed
improvement.
These
demonstrate
significant
potential
sustainability
featuring
monomer
renewability,
recyclability,
characteristics
are
critically
valuable
replacing
petroleum-based
thermosets.
Abstract
Cephalopods
can
change
their
skin
color
by
using
high‐speed
electron
transduction
among
receptors,
neural
networks,
and
pigmentary
effectors.
However,
it
remains
challenging
to
realize
a
neuroelectrical
transmission
system
like
that
found
in
cephalopods,
where
electrons/ions
transmit
on
nanoscale,
which
is
crucial
for
fast
adaptive
electrochromic
tuning.
Inspired
that,
hereby
an
ideal,
rapidly
responsive,
multicolor
biomimetic
introduced.
Specifically,
the
comprises
W
18
O
49
nanowires
(NWs)
are
either
colorless
or
blue,
Au
nanoparticles@polyaniline
(Au
NPs@PANI)
ranging
from
green
pink,
flexible
conductive
substrate.
As
applied
voltage
changes
0.4
V
‐0.7
back
0
V,
of
transforms
blue
ultimately
pink.
This
attributed
electrically
induced
redox
reaction
NPs@PANI
NWs,
triggered
transfer
electrons
ions.
Furthermore,
high
versatility
adaptability
electrical
stimulus
enable
creation
highly
interactive
through
integration
sensitive
acoustic
sensors,
providing
perfect
environment‐responsive
platform.
work
provides
depends
electron/ion
expands
potential
uses
camouflage
skin.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 31, 2024
Abstract
Actuators
play
important
roles
in
various
fields
due
to
their
high
intelligence.
However,
the
present
actuators
are
hard
achieve
load
capacity
and
easy
fast
deformation
simultaneously.
Here,
a
novel
heterostructure
magnetic
composite
material
is
proposed,
which
can
work
as
matrix
create
by
easily
tailored
magnetized.
Initially,
UV‐responsive
stiffness‐tunable
polymer
(URST‐polymer)
developed
using
situ
encapsulation
of
reactive
double
bonds,
achieving
modulus
increase
up
15
600
times
after
stiffening.
By
introducing
NdFeB@PDA
particles
into
URST‐polymer,
created
through
one‐step
curing
process,
features
dual‐functional
layers:
layer
with
ensures
excellent
actuation
properties,
while
pure
guarantees
effective
UV‐induced
Consequently,
light‐responsive
actuator
(LRST‐MA)
made
demonstrates
rapid
actuation,
bistable
states,
stiffness.
The
URST
also
imparts
shape
memory
properties
special
network.
Combining
those
advantages
structural
magnetization
design,
be
used
applications
such
multi‐morphic
actuators,
variable
stiffness
grippers,
deployable
antennas,
emergency
robots,
provide
simple
strategy
for
designing
actuators.
