Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
ABSTRACT
The
poly(butylene
adipate‐co‐terephthalate)
(PBAT)
nanofiber
film
prepared
by
electrospinning
method
exhibits
limited
application
in
many
fields
due
to
its
poor
flame
retardancy
and
machinal
property,
despite
being
a
biodegradable
material
with
exceptional
toughness
ductility
properties.
In
this
work,
we
employed
microfluidic
technology
continuously
produce
blue
fluorescent
carbon
dots
(CDs)
on
an
aluminum‐based
chip
using
citrate
ethanolamine
as
precursors.
Subsequently,
utilizing
technology,
the
CDs/PBAT
composite
films
fluorescence
were
situ
reaction.
Interestingly,
compared
pure
PBAT
membranes,
membranes
exhibit
tensile
strength
of
4.31
MPa,
representing
remarkable
increase
3.24
times,
elongation
at
break
491%,
indicating
improvement
1.62
times.
More
importantly,
it
had
demonstrated
that
incorporation
CDs
into
can
achieve
flame‐retardant
effects.
We
firmly
believe
strategy
could
open
up
new
idea
for
synthesis
point
out
direction
meaningful
fabrication
high
property.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 26, 2025
Abstract
Inherent
transparency
makes
epoxy
resins
ideal
for
aircraft
windows,
yet
their
brittleness
and
flammability
remain
challenges.
Existing
strategies
these
issues
often
compromise
transparency,
with
limited
research
on
the
mechanisms
involved.
Herein,
a
novel
strategy
is
proposed
fabricating
transparent
resin
by
tuning
electrostatic
potential
distribution
via
hyperbranched
polyborophosphate.
Electron‐deficient
boron
relatively
electron‐rich
phosphorus
atoms
work
synergistically
to
increase
highest
occupied
molecular
orbital‐lowest
unoccupied
orbital
(HOMO‐LUMO)
energy
gap,
preventing
visible
light
absorption.
Meanwhile,
structure
facilitates
polymer
network
interpenetration
reduce
porosity
decreased
scattering.
This
synergy
results
in
nearly
colorless
material
over
80%
transmittance
at
550
nm
even
4
mm
thickness,
along
full‐band
UV
shielding.
Notably,
demonstrates
114.7%
impact
toughness
(45.2
kJ
m
−2
)
due
dual
dynamic
B─O
P─O
linkages.
Besides,
it
yields
limiting
oxygen
index
of
33%
V0
rating
underwriter
laboratories
vertical
burning
test,
significant
reductions
heat,
smoke,
toxic
gas
release.
The
outstanding
performance
stand
out
compared
reported
advanced
resins,
highlighting
significance
this
work.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(17), P. 2442 - 2442
Published: Aug. 28, 2024
Silicone
rubber
(SR),
as
one
kind
of
highly
valuable
material,
has
been
widely
used
in
many
fields,
e.g.,
construction,
transportation,
the
electronics
industry,
automobiles,
aviation,
and
biology,
owing
to
its
attractive
properties,
including
high-
low-temperature
resistance,
weathering
chemical
stability,
electrical
isolation,
well
transparency.
Unfortunately,
inherent
flammability
SR
largely
restricts
practical
application
fields
that
have
high
standard
requirements
for
flame
retardancy.
Throughout
last
decade,
a
series
flame-retardant
strategies
adopted
which
enhance
retardancy
even
other
key
such
mechanical
properties
thermal
stability.
This
comprehensive
review
systematically
reviewed
recent
research
advances
flame-retarded
materials
summarized
introduced
up-to-date
design
different
types
retardants
their
effects
on
performances
SR.
In
addition,
related
mechanisms
as-prepared
are
analyzed
presented.
Moreover,
challenges
associated
with
these
various
FRs
discussed,
future
development
directions
also
proposed.
In
order
to
create
green
nanocoatings
with
high
fire
resistance,
titanium
dioxide
(TiO2),
montmorillonite
(MMT),
and
poly(acrylic
acid)
(PAA)
are
used
as
the
flame-retardant
(FR)
system
that
is
prepared
by
layer-by-layer
self-assembly
technique.
The
thermal
behaviors
FR
performance
of
coated
fabrics
polyurethane
foam
(PUF)
determined
gravimetric
analysis,
vertical/horizontal
flame
tests,
a
cone
calorimeter.
effect
layering
polymers
between
metallic
nanoparticles
(NPs)
clay
sheets
on
growth
behavior
retardancy
investigated.
assembly
TiO2/PAA/MMT
trilayer
(TL)
system,
incorporating
polyelectrolyte
layer
inorganic
layers,
results
in
significantly
thicker
heavier
coating.
This
could
be
attributed
infiltration
PAA
chains
into
interstitial
spaces
TiO2
NPs,
which
also
introduce
additional
interactive
sites.
addition
multilayered
composites
greatly
improves
properties.
Cone
calorimeter
analysis
demonstrates
10
TL
nanocomposite,
approximately
160
nm
thickness,
applied
PUF,
completely
suppresses
second
peak
heat
release
rate
enhances
other
fire-retardant
properties
relative
TiO2/MMT
system.
markedly
enhanced
observed
increased
char
yield
facilitated
incorporation
PAA.
polymer
layers
promotes
deposition
greater
quantity
NPs
while
maintaining
tightly
packed
nanobrick
wall
structure.
Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
ABSTRACT
The
poly(butylene
adipate‐co‐terephthalate)
(PBAT)
nanofiber
film
prepared
by
electrospinning
method
exhibits
limited
application
in
many
fields
due
to
its
poor
flame
retardancy
and
machinal
property,
despite
being
a
biodegradable
material
with
exceptional
toughness
ductility
properties.
In
this
work,
we
employed
microfluidic
technology
continuously
produce
blue
fluorescent
carbon
dots
(CDs)
on
an
aluminum‐based
chip
using
citrate
ethanolamine
as
precursors.
Subsequently,
utilizing
technology,
the
CDs/PBAT
composite
films
fluorescence
were
situ
reaction.
Interestingly,
compared
pure
PBAT
membranes,
membranes
exhibit
tensile
strength
of
4.31
MPa,
representing
remarkable
increase
3.24
times,
elongation
at
break
491%,
indicating
improvement
1.62
times.
More
importantly,
it
had
demonstrated
that
incorporation
CDs
into
can
achieve
flame‐retardant
effects.
We
firmly
believe
strategy
could
open
up
new
idea
for
synthesis
point
out
direction
meaningful
fabrication
high
property.
