Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Abstract
Silicon
carbide
(SiC)/shape‐memory
polyurethane
(SMPU)
soft
robots
possess
programmable
shapes
and
dual‐drive
capabilities
based
on
electrical
thermal
methods.
Enhancing
the
conductivity
(TC)
of
these
composite
materials
effectively
enhances
driving
performance
robots.
In
this
study,
we
tune
interfacial
thickness
between
SiC
particles
SMPU
polymer
matrix
to
regulate
TC
composites.
The
optimized
exhibits
a
244%
increase
in
in‐plane
153%
out‐of‐plane
TC.
Furthermore,
optimization
significantly
speed
efficiency
This
study
reveals
that
is
key
factor
regulating
heat
transfer,
potentially
introducing
new
approach
for
reducing
resistance
materials.
contributes
deeper
understanding
heat‐
transfer
mechanisms
establishes
theoretical
framework
designing
fabricating
advanced
Highlights
Interfacial
mechanism
was
revealed.
primarily
controls
transfer.
conductivities
prepared
composites
were
enhanced
by
153%,
respectively,
modifying
thickness.
multifunctional
improved
due
microscale
mechanisms.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
ABSTRACT
To
regulate
the
mechanical
and
thermal
properties
of
epoxy
resin
(Ep)
achieve
controllability
its
shape
memory
response,
this
work
involves
physical
modification
Ep
using
polyethylene
glycol
(PEG),
leading
to
development
Ep/PEG
(EpP)
films.
As
PEG
content
increases,
EpP
gradually
transitions
from
rigid
flexible.
Notably,
breaking
strain
EpP‐30
with
30%
increased
by
27.19%
compared
EpP‐0
without
PEG.
The
are
also
modulated
content,
glass
transition
temperature
(T
g
)
decreasing
as
increases.
Specifically,
T
is
reduced
33.44°C
EpP‐0.
developed
exhibits
excellent
performance,
response
can
be
adjusted
through
content.
Furthermore,
demonstrates
dual
triple‐shape
functions.
In
summary,
achieves
regulation
PEG,
successfully
developing
a
controllable
temperatures
capabilities
for
triple
responses.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(14)
Published: April 16, 2024
Abstract
Intelligent
materials
derived
from
green
and
renewable
bio‐based
garner
widespread
attention
recently.
Herein,
shape
memory
polyurethane
composite
(PUTA/Fe)
with
fast
response
to
near‐infrared
(NIR)
light
is
successfully
prepared
by
introducing
Fe
3+
into
the
tannic
acid‐based
(PUTA)
matrix
through
coordination
between
acid.
The
results
show
that
excellent
NIR
ability
due
even
distribution
of
filler
good
photo‐thermal
conversion
ability.
With
increase
content,
recovery
rate
PUTA/Fe
films
significantly
improved,
time
reduced
over
60
s
40
s.
In
addition,
mechanical
properties
film
are
also
improved.
Importantly,
owing
dynamic
phenol–carbamate
network
within
polymer
matrix,
can
reshape
its
permanent
topological
rearrangement
performance.
Therefore,
composites
high
content
material
(TA
15.1–19.4%)
demonstrate
characteristics
light;
so,
it
will
have
great
potential
in
application
new
intelligent
including
efficient
environmentally
friendly
smart
photothermal
responder.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Abstract
Silicon
carbide
(SiC)/shape‐memory
polyurethane
(SMPU)
soft
robots
possess
programmable
shapes
and
dual‐drive
capabilities
based
on
electrical
thermal
methods.
Enhancing
the
conductivity
(TC)
of
these
composite
materials
effectively
enhances
driving
performance
robots.
In
this
study,
we
tune
interfacial
thickness
between
SiC
particles
SMPU
polymer
matrix
to
regulate
TC
composites.
The
optimized
exhibits
a
244%
increase
in
in‐plane
153%
out‐of‐plane
TC.
Furthermore,
optimization
significantly
speed
efficiency
This
study
reveals
that
is
key
factor
regulating
heat
transfer,
potentially
introducing
new
approach
for
reducing
resistance
materials.
contributes
deeper
understanding
heat‐
transfer
mechanisms
establishes
theoretical
framework
designing
fabricating
advanced
Highlights
Interfacial
mechanism
was
revealed.
primarily
controls
transfer.
conductivities
prepared
composites
were
enhanced
by
153%,
respectively,
modifying
thickness.
multifunctional
improved
due
microscale
mechanisms.
