ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(1), P. 2293 - 2303
Published: Dec. 20, 2024
The
application
of
organic
solid–liquid
phase
change
materials
(PCMs)
is
limited
for
the
leakage
problem
after
and
high
rigidity.
In
this
work,
a
novel
flexible
solid–solid
PCM
(DXPCM)
was
synthesized
using
block
copolymerization
process
with
polyethylene
glycol
(PEG)
as
energy
storage
segment.
transition
temperature
(from
36.2
to
49.4
°C)
enthalpy
83.27
123.35
J/g)
DXPCM
could
be
changed
through
adjusting
molecular
weight
PEG.
introduction
hard
chain
segments
endowed
excellent
flexibility,
foldability,
mechanical
properties
at
room
temperature.
large
number
internal
hydrogen
bonds
π–π
stacking
provided
interesting
thermally
induced
switchable
adhesion
recyclability.
release
elastic
potential
ensured
that
recover
its
original
shape
being
deformed
by
external
forces.
It
worth
mentioning
exhibits
infrared
stealth
capability
it
can
absorb
latent
heat
long
period
time.
conclusion,
work
developed
film
strength,
adhesion,
recovery
capability,
which
has
great
in
stealth.
