Phase
change
fibers
(PCFs)
are
increasingly
popular
in
thermal
storage
and
release
applications,
such
as
temperature
management.
However,
a
simple
but
effective
integration
of
conductive
materials
into
PCFs
to
deliver
ultrafast
conduction
remains
big
challenge.
Herein,
facile
one-pot
coaxial
wet
spinning
strategy
based
on
sheath-confinement-induced
orientation
arrangement
hydroxylated
boron
nitride
nanosheets
(BNNs-OH)
is
proposed
fabricate
the
high-performance
PCFs.
For
core-sheath
PCFs,
cellulose
nanofiber
(CNF)-reinforced
paraffin
(CNF/PW)
emulsions
serve
phase
core,
while
dissolved
well-dispersed
BNNs-OH
act
sheath
precursor.
By
increasing
extrusion
speed
liquid
contraction
fiber
gradually
finalized
induce
alignment
confinement
effect.
Consequently,
highly
oriented
(f
=
0.8)
endow
with
high
transition
enthalpy
(125.1
J
g-1),
excellent
conductivity
(10.15
W
m-1K-1),
rapid
heat
transfer
rate
(1.6
cm
s-1);
moreover,
as-prepared
show
good
tensile
strength
(11.21
MPa)
leakage-proof
(0.13%).
The
combined
thermochromic
dyes
for
functional
fabrics
or
applied
management
phone,
demonstrating
dissipation.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(4), С. 1473 - 1473
Опубликована: Фев. 10, 2025
The
annual
economic
loss
caused
by
corrosion
accounts
for
about
2%~4%
of
GDP,
which
exceeds
the
sum
losses
fires,
floods,
droughts,
typhoons,
and
other
disasters.
Coating
is
one
most
effective
methods
to
delay
metal
corrosion.
With
development
technology
intersection
disciplines,
functional
microcapsules
have
been
applied
anticorrosive
coatings,
but
are
still
being
updated.
To
understand
application
progress
in
future
trend
analyzed.
preparation
methods,
physical
chemical
properties,
characteristics,
trends
organic,
inorganic,
organic-inorganic
hybrid
described,
respectively,
from
perspective
material
molecular
characteristics.
Simultaneously,
influence
different
materials
on
properties
organic
coatings
proved
examples.
In
addition,
research
status
microcapsule
composite
coating
introduced
detail.
Finally,
great
advantages
modified
based
natural
inorganic
improving
utilization
efficiency
loaded
active
substances
prolonging
life
foreseen.
Phase
change
fibers
(PCFs)
are
increasingly
popular
in
thermal
storage
and
release
applications,
such
as
temperature
management.
However,
a
simple
but
effective
integration
of
conductive
materials
into
PCFs
to
deliver
ultrafast
conduction
remains
big
challenge.
Herein,
facile
one-pot
coaxial
wet
spinning
strategy
based
on
sheath-confinement-induced
orientation
arrangement
hydroxylated
boron
nitride
nanosheets
(BNNs-OH)
is
proposed
fabricate
the
high-performance
PCFs.
For
core-sheath
PCFs,
cellulose
nanofiber
(CNF)-reinforced
paraffin
(CNF/PW)
emulsions
serve
phase
core,
while
dissolved
well-dispersed
BNNs-OH
act
sheath
precursor.
By
increasing
extrusion
speed
liquid
contraction
fiber
gradually
finalized
induce
alignment
confinement
effect.
Consequently,
highly
oriented
(f
=
0.8)
endow
with
high
transition
enthalpy
(125.1
J
g-1),
excellent
conductivity
(10.15
W
m-1K-1),
rapid
heat
transfer
rate
(1.6
cm
s-1);
moreover,
as-prepared
show
good
tensile
strength
(11.21
MPa)
leakage-proof
(0.13%).
The
combined
thermochromic
dyes
for
functional
fabrics
or
applied
management
phone,
demonstrating
dissipation.
