New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
paper
provides
an
effective
method
for
lignin
utilization
to
prepare
bio-based
phenolic
foams
with
improved
flame
retardancy
and
mechanical
properties.
Polyamide
6
(PA6)
is
an
eminent
engineering
plastic
renowned
for
its
exceptional
mechanical
attributes,
yet
flammability
restricts
application
scope.
Aluminum
diethylphosphinate
(ADP)
has
exhibited
ability
to
significantly
reduce
the
of
PA6,
it
incapable
enhancing
char-forming
capacity
PA6.
More
importantly,
ADP
causes
serious
damage
properties
Here,
a
boron-containing
polymer
(PDBD)
was
prepared
and
added
PA6
together
with
prepare
flame-retardant
composites.
Compared
PA6/13ADP,
PA6/10ADP/3PDBD
sample
3
wt
%
PDBD
replacing
not
only
can
pass
UL-94
V-0
rating,
but
also,
peak
heat
release
rate
(PHRR)
total
(THR)
were
reduced
by
35.6%
16.5%,
respectively.
Simultaneously,
incorporation
enhanced
potential
signifying
robust
synergism
between
in
catalyzing
facilitating
procedure
Significantly,
compared
those
elongation
at
break
notch
impact
strengths
composites
are
notably
increased
174.3%
45.8%
due
hydrogen
bond
These
results
illustrate
that
effectively
augment
charring
propensity
PA6/ADP
mitigate
detrimental
effects
on
Therefore,
this
work
provides
simple
feasible
method
preparing
high-performance