ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(24), P. 9101 - 9112
Published: June 3, 2024
In
this
work,
an
environmentally
friendly
multicomponent
flame
retardant
denoted
as
a
sandwich-like
2D/2D
montmorillonite/Zn2+-MEL-PA
(MMT/ZnMPA)
plate
was
successfully
synthesized
through
"bottom-up"
supramolecular
self-assembly
method,
in
which
the
ultrathin
ZnMPA
nanosheets
were
lying
parallell
on
both
sides
of
MMT
plates.
Then,
MMT/ZnMPA
served
excellent
performance
nanofiller
wood
flour/polypropylene
(WF/PP)
composites.
Microstructure
characterization
indicated
that
had
uniform
dispersion
WF/PP
composites
with
interfacial
compatibility,
thereby
simultaneously
improving
mechanical
properties
and
retardancy
With
incorporation
20
wt
%
plates,
peak
heat
release
rate
total
remarkably
decreased
by
28.1%
17.8%
contrast
to
Moreover,
tensile
strength
flexural
increased
20.6%
15.2%
compared
composites,
respectively.
This
work
has
presented
facile
tactic
for
integrating
phosphorus
nitrogen-containing
plates
develop
high
flame-retardant
properties.
Exploration,
Journal Year:
2023,
Volume and Issue:
3(4)
Published: July 6, 2023
Flame
retardants
are
currently
used
in
a
wide
range
of
industry
sectors
for
saving
lives
and
property
by
mitigating
fire
hazards.
The
growing
safety
requirements
materials
boost
an
escalating
demand
consumption
retardants.
This
has
significantly
driven
both
the
scientific
community
to
pursue
sustainable
retardants,
but
what
makes
flame
retardant?
Here
overview
recent
advances
is
offered,
their
renewable
raw
materials,
green
synthesis
life
cycle
assessments
highlighted.
A
discussion
on
key
challenges
that
hinder
innovation
design
principles
creating
truly
yet
cost-effective
also
presented.
short
work
expected
help
drive
development
sustainable,
expedite
creation
more
safer
society.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(12), P. 15227 - 15241
Published: March 18, 2024
Biobased-functionalized
metal–organic
frameworks
(Bio-FUN-MOFs)
stand
out
from
the
crowd
of
candidates
in
flame-retardant
field
due
to
their
multipathway
mechanisms
and
green
synthesis
processes.
However,
exploring
designing
Bio-FUN-MOFs
tend
counteract
problem
compromising
advantages
MOFs
themselves,
which
inevitably
results
a
waste
resources.
Herein,
strategy
are
ecologically
regulated
through
acid–base
balance
is
presented
for
controllable
preparation
by
two
birds
with
one
stone,
i.e.,
higher
element
loading
retention
more
MOF
structures.
Specifically,
buffer
layer
created
on
periphery
ZIF-67
weak
etching
biobased
alkali
arginine
resist
excessive
phytic
acid
when
phosphorus
source
preserve
integrity
internal
crystals
as
much
possible.
As
proof
concept,
was
almost
completely
etched
absence
arginine.
The
acid-functionalized
yolk@shell
structure
(ZIF@Arg–Co–PA)
obtained
this
strategy,
flame
retardant,
reduces
fire
hazards
polyurea
composites.
At
only
5
wt
%
loading,
ZIF@Arg–Co–PA
imparted
composites
limiting
oxygen
index
23.2%,
peaks
heat
release
rate,
total
release,
smoke
production
were
reduced
43.8,
32.3,
34.3%,
respectively,
compared
neat
polyurea.
Additionally,
prepared
have
acceptable
mechanical
properties.
This
work
will
shed
light
advanced
structural
design
polymer
excellent
safety,
especially
environmentally
friendly
efficient
retardants.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(3), P. 1878 - 1890
Published: Jan. 26, 2024
Polyurethane
foam
(PUF)
is
the
most
widely
used
polymeric
foam,
owing
to
its
low
cost,
minimal
density,
and
superior
thermal
insulation
characteristics.
Nonetheless,
applications
are
constrained
by
suboptimal
acoustics
fire
performance
coupled
with
safety
concerns.
This
study
introduces
phosphorus-containing
graphene
oxide
(D-GO)─a
derivative
of
(GO)─that
designed
modified
enhance
PUF
considerably.
The
D-GO
composited
(D-GO/PUF)
was
synthesized
employing
vacuum
impregnation
technology.
Experimental
results
demonstrated
that,
compared
pure
PUF,
peak
heat
release
rate
(pHRR)
a
maximum
specific
optical
density
smoke
(Ds
max)
in
trials
pilot
flames
D-GO/PUF-3
were
reduced
up
55.34
45.18%,
respectively.
Furthermore,
limiting
oxygen
index
(LOI)
57.1%
higher
than
that
PUF.
Additionally,
average
sound
absorption
coefficient
D-GO/PUF-2
245.45%
greater
Moreover,
D-GO/PUF
composite
retained
exceptional
properties.
provides
strategic
approach
for
enhancing
flame-retardant
efficacy
GO-based
fillers,
along
remarkable
advancements
suppression,
absorption,
noise
reduction
foams.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
The
ambition
of
human
beings
to
create
a
comfortable
environment
for
work
and
life
in
sustainable
way
has
triggered
great
need
advanced
thermal
insulation
materials
past
decades.
Aerogels
foams
present
prospects
as
insulators
owing
their
low
density,
good
insulation,
mechanical
robustness,
even
high
fire
resistance.
These
merits
make
them
suitable
many
real-world
applications,
such
energy-saving
building
materials,
thermally
protective
aircrafts
battery,
warming
fabrics.
Despite
advances,
date
there
remains
lack
comprehensive
yet
critical
review
on
the
materials.
Herein,
recent
progresses
fire-safe
thermal-insulating
aerogels
are
summarized,
pros/cons
three
major
categories
aerogels/foams
(inorganic,
organic
hybrids)
discussed.
Finally,
key
challenges
associated
with
existing
discussed
some
future
opportunities
proposed.
This
is
expected
expedite
development
insulating
help
sustainable,
safe,
energy-efficient
society.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
Abstract
Polymeric
materials
featuring
excellent
flame
retardancy
are
essential
for
applications
requiring
high
levels
of
fire
safety,
while
those
based
on
biopolymers
highly
favored
due
to
their
eco‐friendly
nature,
sustainable
characteristics,
and
abundant
availability.
This
review
first
outlines
the
pyrolysis
behaviors
biopolymers,
with
particular
emphasis
naturally
occurring
ones
derived
from
non‐food
sources
such
as
cellulose,
chitin/chitosan,
alginate,
lignin.
Then,
strategies
chemical
modifications
flame‐retardant
purposes
through
covalent,
ionic,
coordination
bonds
presented
compared.
The
is
placed
advanced
methods
introducing
biopolymer‐based
retardants
into
polymeric
matrices
fabricating
materials.
Finally,
challenges
sustaining
current
momentum
in
utilization
further
discussed.
