Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 18, 2024
Abstract
Developing
epoxy
structural
adhesives
with
excellent
high‐temperature
adhesion
remains
a
great
challenge.
The
incorporation
of
fillers
can
enhance
the
performance
adhesives,
albeit
at
expense
reduced
properties.
Polyhedral
oligomeric
silsesquioxanes
(POSS)
is
considered
promising
filler
for
enhancing
properties
due
to
its
compatibility
and
nano
cage‐structured.
Herein,
rigid
cage‐structured
was
covalently
introduced
improve
introduction
1
wt%
POSS
significantly
increased
(120°C)
strength
by
197%
toughness
283%.
POSS‐reinforced
adhesive
also
featured
wide
temperature
adaptability,
indicating
that
it
maintained
high
various
temperatures.
Furthermore,
drastically
enhanced
transparency
three
times.
It
highly
anticipated
this
work
will
open
new
avenue
designing
transparency.
Journal of Macromolecular Science Part B,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 15
Published: June 28, 2024
Our
research
described
in
this
manuscript
investigated
the
dielectric
properties
and
structural
characteristics
of
Bisphenol-A
epoxy
resin
composites
infused
with
various
concentrations
(5
wt.%,
10
15
wt.%)
hybrid
nanofillers,
namely
alumina
(Al2O3)
zinc
oxide
(ZnO).
Ultrasonic
dispersion
was
utilized
to
integrate
nanofillers
into
matrix.
Structural
were
assessed
using
X-ray
diffraction
(XRD),
which
confirmed
presence
Al2O3
ZnO
nanoparticles
within
Dielectric
measured
over
a
frequency
range
104
Hz
2
MHz.
The
results
provide
new
insights
polarization
mechanisms
these
composites,
highlighting
their
potential
for
enhanced
performance
high-frequency
applications.
To
further
understand
predict
properties,
CatBoost
LightGBM
regression
models
employed
constant
(ε'),
loss
tangent
(tan
δ),
AC
conductivity
(σac)
composites.
demonstrated
strong
predictive
accuracy,
metrics,
including
Mean
Absolute
Error
(MAE),
Root
Square
(RMSE),
R-squared
(R2),
indicating
robustness
accuracy
predicting
study's
findings
underscore
significant
