Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
19(6)
Published: Aug. 13, 2024
Abstract
In
various
industrial
applications,
especially
within
the
internal
pipes
of
heat
exchanger
devices,
there
is
a
crucial
need
for
surface
coatings
that
offer
both
superhydrophobic
properties
and
high
thermal
conductivity.
Achieving
balance
between
these
two
characteristics
essential
optimizing
transfer
performance
along
metal
pipe
walls
mitigating
formation
water
droplets
on
surface.
This
research
focuses
development
polymer
composite
to
address
dual
requirements,
providing
protection
against
humid
environments,
resistance
dew
formation,
simultaneous
enhancement
The
key
challenge
lies
in
selecting
coating
type
provides
low
energy
polarity,
thereby
achieving
desired
hydrophobic
while
also
maintaining
adequate
study
formulates
utilizing
laser‐modified
epoxy
resin
strategically
integrates
graphite
oxide
particles.
These
particles
undergo
modification
through
oxidation
enhance
compatibility
with
epoxy.
conjunction
modification,
resulting
exhibit
super‐hydrophobic
an
enhanced
contact
angle
162°
hysteresis
(<5°).
Furthermore,
epoxy/graphite
demonstrate
improved
conductivity,
marking
significant
261%
increase
compared
pure
epoxy,
elevating
it
from
.234
.846
W/mK.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Dec. 26, 2024
Abstract
As
modern
communication
and
detection
technologies
advance
at
a
swift
pace,
multifunctional
electromagnetic
interference
(EMI)
shielding
materials
with
active/positive
infrared
stealth,
hydrophobicity,
electric-thermal
conversion
ability
have
received
extensive
attention.
Meeting
the
aforesaid
requirements
simultaneously
remains
huge
challenge.
In
this
research,
melamine
foam
(MF)/polypyrrole
(PPy)
nanowire
arrays
(MF@PPy)
were
fabricated
via
one-step
electrochemical
polymerization.
The
hierarchical
MF@PPy
was
composed
of
three-dimensional
PPy
micro-skeleton
ordered
arrays.
Due
to
upwardly
grown
arrays,
possessed
good
hydrophobicity
water
contact
angle
142.00°
outstanding
stability
under
various
harsh
environments.
Meanwhile,
showed
excellent
thermal
insulation
property
on
account
low
conductivity
elongated
ligament
characteristic
Furthermore,
taking
advantage
high
(128.2
S
m
−1
),
exhibited
rapid
Joule
heating
3
V,
resulting
in
dynamic
stealth
camouflage
effects.
More
importantly,
remarkable
EMI
effectiveness
values
55.77
dB
19,928.57
cm
2
g
.
Strong
put
down
hierarchically
porous
structure,
which
offered
impedance
matching,
conduction
loss,
multiple
attenuations.
This
innovative
approach
provides
significant
insights
development
advanced
foams
by
constructing
showing
great
applications
both
military
civilian
fields.
Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
19(6)
Published: Aug. 13, 2024
Abstract
In
various
industrial
applications,
especially
within
the
internal
pipes
of
heat
exchanger
devices,
there
is
a
crucial
need
for
surface
coatings
that
offer
both
superhydrophobic
properties
and
high
thermal
conductivity.
Achieving
balance
between
these
two
characteristics
essential
optimizing
transfer
performance
along
metal
pipe
walls
mitigating
formation
water
droplets
on
surface.
This
research
focuses
development
polymer
composite
to
address
dual
requirements,
providing
protection
against
humid
environments,
resistance
dew
formation,
simultaneous
enhancement
The
key
challenge
lies
in
selecting
coating
type
provides
low
energy
polarity,
thereby
achieving
desired
hydrophobic
while
also
maintaining
adequate
study
formulates
utilizing
laser‐modified
epoxy
resin
strategically
integrates
graphite
oxide
particles.
These
particles
undergo
modification
through
oxidation
enhance
compatibility
with
epoxy.
conjunction
modification,
resulting
exhibit
super‐hydrophobic
an
enhanced
contact
angle
162°
hysteresis
(<5°).
Furthermore,
epoxy/graphite
demonstrate
improved
conductivity,
marking
significant
261%
increase
compared
pure
epoxy,
elevating
it
from
.234
.846
W/mK.
