Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 23, 2025
ABSTRACT
Designing
multifunctional
composites
with
high
flame
retardancy
and
excellent
electromagnetic
shielding
performance
is
of
significant
importance.
In
order
to
address
the
poor
retardant
performances
thermoplastic
polyurethane
(TPU)
composites,
in
this
work,
γ‐propyl‐trimethoxysilane
(KH550)
functionalized
silicon
microencapsulated
ammonium
polyphosphate
(SiAPP‐NH
2
)
was
synthesized
using
interface
modulation
technology.
Then,
SiAPP‐NH
combined
a
copper
metal–organic
framework
(MOF‐Cu)
through
microencapsulation
electrostatic
self‐assembly
techniques
prepare
retardants
@MOF‐Cu).
Subsequently,
TPU
were
prepared
melt
blending
@MOF‐Cu
material.
The
results
showed
that
interaction
between
matrix
significantly
enhanced.
Compared
pure
TPU,
TPU/5SAN@1MC
composite
exhibited
decreases
78.7%,
51.3%,
59.3%,
58.7%
peak
heat
release
rate,
total
release,
smoke
carbon
dioxide
respectively.
addition,
TPU/1SAN@1MC/rGO
achieved
an
average
effectiveness
13.82
dB
X‐band,
enabling
its
broad
commercial
application.
This
study
offers
promising
strategy
for
fabrication
good
properties.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 2, 2025
Abstract
Flexible
polyurethane
foams
are
widely
used
in
building
and
vehicle
interiors
due
to
their
lightweight
high
resilience.
However,
most
non‐biodegradable
or
fireproof,
leading
serious
white
foam
pollution
safety
problems.
Here,
FPUF
made
of
a
porous
MOF
material
loaded
with
flame
retardant
elements
as
coating
is
reported,
which
realizes
fire
protection,
isolation
heat
noise,
recovery
foam.
The
results
show
that
FPUF‐3
exhibited
excellent
smoke
suppression
effects,
PHRR,
CO
production,
2
production
reduced
by
28.5%,
54.5%,
21.4%,
respectively.
shows
longer
preservation
effect
can
reduce
the
common
noise
decibel
>35%.
In
addition,
exhibits
stability
under
extreme
acid–base
conditions
has
durability
effectiveness
alkaline
conditions.
Furthermore,
separation
be
realized
ethanol
solvent,
rate
reach
>80%,
still
original
elasticity
characteristics.
It
provides
sustainable
practical
solution
for
effectively
improving
reduction,
prevention,
insulation
capabilities
FPUF.
Functional
polymer
composites
offer
versatility
and
high
performance
through
material
fusion,
but
flammability
is
an
obstacle
to
application.
Metal–organic
frameworks
(MOFs)
have
attracted
attention
in
the
field
of
flame
retardant
due
their
structural
diversity
specific
surface
area,
they
suffer
from
low
efficiency
agglomeration
issues
when
used
alone.
Combining
with
two‐dimensional
(2D)
nanomaterials
can
improve
above
situation.
Herein,
strategies
are
explored
for
integrating
MOFs
2D
materials
physical
mixing
situ
growth
enhance
dispersion
flame‐retardant
effects
polymers.
Additionally,
integration
sensing
achieve
intelligent
monitoring
control,
as
well
real‐time
risk
assessment
system
optimization.
In
summary,
this
review
deeply
analyzes
dispersion,
interfacial
interaction,
adjustment
mechanism
composite
discusses
detail
application
potential
hybrids
formed
by
sensing.
Finally,
opportunities
challenges
faced
functional
future
summarized
prospected.
it
also
expected
facilitate
researchers
quickly
understand
latest
developments
guide
effective
design.
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 23, 2025
ABSTRACT
Designing
multifunctional
composites
with
high
flame
retardancy
and
excellent
electromagnetic
shielding
performance
is
of
significant
importance.
In
order
to
address
the
poor
retardant
performances
thermoplastic
polyurethane
(TPU)
composites,
in
this
work,
γ‐propyl‐trimethoxysilane
(KH550)
functionalized
silicon
microencapsulated
ammonium
polyphosphate
(SiAPP‐NH
2
)
was
synthesized
using
interface
modulation
technology.
Then,
SiAPP‐NH
combined
a
copper
metal–organic
framework
(MOF‐Cu)
through
microencapsulation
electrostatic
self‐assembly
techniques
prepare
retardants
@MOF‐Cu).
Subsequently,
TPU
were
prepared
melt
blending
@MOF‐Cu
material.
The
results
showed
that
interaction
between
matrix
significantly
enhanced.
Compared
pure
TPU,
TPU/5SAN@1MC
composite
exhibited
decreases
78.7%,
51.3%,
59.3%,
58.7%
peak
heat
release
rate,
total
release,
smoke
carbon
dioxide
respectively.
addition,
TPU/1SAN@1MC/rGO
achieved
an
average
effectiveness
13.82
dB
X‐band,
enabling
its
broad
commercial
application.
This
study
offers
promising
strategy
for
fabrication
good
properties.
