Effect of Phosphorus‐Containing Silane Coupling Agents Modified Ammonium Polyphosphate on the Flame Retardancy and Mechanical Properties of Epoxy Resin
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 30, 2025
ABSTRACT
Two
phosphorus‐containing
silane
coupling
agents
(PSCAs),
KH550‐P
and
KH560‐P,
are
successfully
prepared
by
reacting
10‐hydroxy‐9,10‐dihydro‐9‐oxa‐10‐phosphorus‐10‐oxide
(DOPOOH)
with
(3‐aminopropyl)
triethoxysilane
(KH550)
3‐glycidyloxypropyltrimethoxysilane
(KH560),
respectively.
These
two
PSCAs
used
as
the
surface
modification
of
ammonium
polyphosphate
(APP).
The
flame
retardancy
mechanical
properties
epoxy
resin
(EP)
PSCA‐modified
APP
investigated.
When
weight
ratio
to
is
18:2
addition
amount
APPs,
APP‐KH550‐P
APP‐KH560‐P
,
in
EP
reaches
8%,
resulting
flame‐retardant
composite
materials,
EP/APP‐KH550‐P
EP/APP‐KH560‐P
exhibit
good
a
V‐0
rating
vertical
combustion
test
(UL‐94).
limiting
oxygen
index
values
both
higher
than
30%.
peak
heat
release
rates
decrease
13.8%
28.5%,
respectively,
compared
containing
8%
(EP/APP).
Both
KH560‐P
demonstrate
similar
performance
enhancing
APP.
added
EP,
found
be
those
EP/APP.
Conversely,
tensile
strength
impact
increase
23.8%
74.3%,
shows
significantly
better
EP.
Язык: Английский
Construction of flame retardant functionalized carbon dot with insulation, flame retardancy and thermal conductivity in epoxy resin
Construction and Building Materials,
Год журнала:
2024,
Номер
451, С. 138853 - 138853
Опубликована: Окт. 28, 2024
Язык: Английский
Organic-inorganic Hybrid Epoxy Vitrimers with Excellent Thermal-Mechanical Stability Based on Carboxylic-acid Type Carbon Dots as Curing Agent: Flame Retardancy and Reprocessing
Composites Part B Engineering,
Год журнала:
2025,
Номер
unknown, С. 112316 - 112316
Опубликована: Фев. 1, 2025
Язык: Английский
Synergistic effects of sodium polyacrylate-loaded ammonium polyphosphate in combination with ScYSZ to enhance the flame retardancy and thermal insulation properties of epoxy-polyamide coatings
Progress in Organic Coatings,
Год журнала:
2025,
Номер
203, С. 109175 - 109175
Опубликована: Фев. 28, 2025
Язык: Английский
Synergistic flame retardancy of MIL‐88B‐Fe metal–organic framework with aluminum diethyl hypophosphite in epoxy resin
Journal of Vinyl and Additive Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Abstract
Four
metal–organic
frameworks
(MOFs),
namely
MIL‐88B‐Fe,
MIL‐53‐Fe,
Co‐MOF,
and
Ni‐MOF,
were
successfully
prepared
using
polyethylene
terephthalate
(PET)
waste
as
the
raw
material.
The
structure
morphology
of
MOFs
characterized
scanning
electron
microscopy
(SEM)
X‐ray
diffraction
(XRD).
Subsequently,
synergistic
flame
retardancy
these
with
aluminum
diethylphosphinate
(ADP)
in
epoxy
resin
(EP)
was
compared.
MOFs,
particular
exhibited
significant
when
used
combination
ADP.
When
addition
amount
MIL‐88B‐Fe
ADP
EP
4%
to
weight
ratio
at
1:19,
flame‐retardant
EP,
EP/Fe88B‐ADP‐2:38,
achieved
a
high
limiting
oxygen
index
(LOI)
value
34.2%.
Thermogravimetric
analysis
(TGA)
results
indicated
that
residual
carbon
EP/Fe88B‐ADP‐2:38
increased
by
approximately
6.6%
compared
pure
EP.
Additionally,
peak
heat
release
rate
(PHRR)
decreased
30.2%
also
demonstrated
excellent
smoke
suppression,
16.5%
decrease
total
production
(TSP)
These
studies
have
provided
new
insights
into
efficient
utilization
PET
waste.
retardant,
composed
waste‐derived
ADP,
can
enhance
while
preserving
EP's
mechanical
properties.
Highlights
showed
1:19
reached
UL‐94
V‐0
rating.
MIL‐88B‐Fe/ADP
retardant
hardly
Язык: Английский