Shape memory polymer and composites for space applications: A review
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 27, 2025
Abstract
During
the
last
few
years,
shape
memory
polymers
(SMP)
have
become
popular
among
researchers
and
industrialists
belonging
to
various
areas
of
application
owing
their
exceptional
qualities
such
as
high
recoverable
strain,
about
four
times
its
initial
length
compared
conventional
alloys
(~8%),
good
tailorability,
lighter
weight,
cheaper
material,
processing
cost.
Enormous
work
has
been
done
develop
SMP
multifunctional
composites
(SMPC).
Incorporating
functional
materials
in
gives
SMPC
enhanced
properties
over
SMP,
higher
recovery
load
at
a
rate,
improved
mechanical
properties,
controlled
remote
actuation.
Due
these
remarkable
are
broadly
employed
space‐deployable
structures
components.
being
stimuli‐responsive
polymers,
after
substantial
deformation,
may
return
previous
under
applied
stimuli
like
direct
heating,
electrically
induced
magnetically
light,
chemical.
Among
different
thermo‐responsive
electro‐responsive
widely
used
for
structural
space
applications.
This
reports
thorough
review
mechanisms,
programming,
stimulus,
modeling,
applications
space.
Highlights
exhibits
programmability
stimulus
responsiveness.
enhance
thermo‐mechanical
pristine
SMP.
Epoxy,
PU,
styrene,
cyanate‐based
explored
Space
environments
vacuum
UV
radiations
affect
characteristics.
can
be
antennas
hinges.
Язык: Английский
Shape Memory Polymers, Blends, and Composites: Processing, Properties, and Applications
Polymer-Plastics Technology and Materials,
Год журнала:
2025,
Номер
unknown, С. 1 - 29
Опубликована: Фев. 24, 2025
Язык: Английский
Dynamic reactive synthesis of bio-based compatibilizer via diepoxide monomers grafting polylactic acid and reactive compatibilization of incompatible polylactic acid/bamboo powder composites
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 141928 - 141928
Опубликована: Март 1, 2025
Язык: Английский
Tailored Polylactic Acid/Polycaprolactone Blends with Excellent Strength–Stiffness and Shape Memory Capacities
Processes,
Год журнала:
2025,
Номер
13(5), С. 1328 - 1328
Опубликована: Апрель 26, 2025
The
present
work
deals
with
the
mixing
of
two
green
polymers
at
several
definite
ratios
that
led
to
receiving
biodegradable
polylactic
acid
(PLA)/polycaprolactone
(PCL)
blends
possessing
well-expressed
macromechanical
and
shape
memory
properties.
Four
non-compatibilized
polymer
compositions
were
prepared
by
using
a
twin-screw
melt
extrusion
technique,
allowing
for
homogeneous
dispersion
PCL
droplets
in
PLA
matrix
higher
interfacial
adhesion
between
phases.
mechanical
behavior
specimens
was
estimated
tensile
experiments
conducted
three
particular
crosshead
velocities.
It
established
addition
as
soft
segment
redounded
an
increment
toughness
elongation
ultimate
strength
composite
expense
maximum
stress
Young’s
modulus.
These
latter
parameters
found
be
more
sensitive,
terms
reaching
high
values,
content
hard
blend.
Performing
thermoresponsive
tests
disclosed
overwhelming
reversibility
temporary
permanent
states
materials,
including
significant
fixation
(Rf)
recovery
(Rr)
rates.
SEM
analysis
PLA/PCL
revealed
distinct
phase-separated
microstructure,
confirming
immiscibility
Язык: Английский
Fundamentals and Recent Applications of 3D, 4D, and 5D Printing of Polymer and Its Nanocomposites: Challenges and Its Future Prospects
Engineering materials,
Год журнала:
2025,
Номер
unknown, С. 345 - 392
Опубликована: Янв. 1, 2025
Язык: Английский
Graphene Oxide‐Modulated CMC/PVA Films with on‐Demand Shape Recovery and Self‐Healing Performance
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 20, 2025
Abstract
With
the
advancement
of
artificial
intelligence
technologies,
shape‐memory
polymers
(SMPs)
have
attracted
significant
research
interest
due
to
their
remarkable
environmental
responsiveness.
However,
conventional
SMPs
are
limited
single‐stimulus
responsiveness
and
constrained
performance,
failing
meet
practical
application
demands.
This
study
develops
a
novel
carboxymethyl
cellulose
(CMC)
polyvinyl
alcohol
(PVA)
composite
film
modulated
by
graphene
oxide
(GO)
with
multi‐stimuli
responsive
capabilities
water‐assisted
self‐healing
properties.
The
introduction
GO
significantly
enhances
mechanical
properties,
provides
efficient
swelling‐resistant
ability
thermal
conversion
efficiency
film,
endowing
it
on‐demand
performance
under
water
stimulation.
It
can
achieve
shape
fixation
rate
94.45%
recovery
97.22%.
Meanwhile,
behaviors
be
precisely
tailored
modulating
content
PVA
as
well
interfacial
interactions.
Furthermore,
films
water‐triggered
90.6%
efficiency,
which
is
attributed
inherent
hydrophilic
nature
dynamic
physical
crosslinking
architecture.
demonstrates
strategy
for
creating
stimuli‐adaptive
materials,
providing
pivotal
platform
in
flexible
actuation
devices
intelligent
medical
systems.
Язык: Английский