Hybrid epoxy composites based on tire waste-derived carbon black and eggshells with enhanced properties and aging life in different environmental conditions
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 160701 - 160701
Опубликована: Фев. 1, 2025
Язык: Английский
Thermo‐Responsive Shape Memory Behavior of Epoxy With Different Combinations of Curing Agents and Filler Materials
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
ABSTRACT
In
this
research,
bisphenol
F‐based
epoxy
composites
were
prepared
with
two
different
curing
agents
(methyl‐5‐norbornene‐2,3‐dicarboxylic
anhydride
(MNA)
and
cycloaliphatic
polyamine)
polyethylene
glycol
(PEG)
as
a
plasticizer.
Different
amounts
of
sepiolite
colemanite
(1,
3,
5
10
wt.%)
used
sustainable
fillers.
The
mechanical
thermal
properties,
well
shape
memory
behavior
the
investigated
by
tensile
tests,
differential
scanning
calorimetry
(DSC)
analysis,
bending
respectively.
results
showed
that
strength
increased
increasing
filler
content.
glass
transition
temperature
(
T
g
)
decreased
in
presence
PEG
exhibited
good
performance.
recovery
time
all
temperature.
optimum
was
found
to
be
at
110°C
case
cycle
tests.
values
R
r
cured
MNA
polyamine
99%
98%,
Ten
consecutive
cycles
have
been
successfully
conducted
for
including
sepiolite.
Язык: Английский
Vegetable Oils for Material Applications – Available Biobased Compounds Seeking Their Utilities
ACS Polymers Au,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Materials
derived
from
natural
sources
are
demanded
for
future
applications
due
to
the
combination
of
factors
such
as
sustainability
increase
and
legislature
requirements.
The
availability
efficient
analysis
vegetable
oils
(triacylglycerides)
open
an
enormous
potential
incorporating
these
compounds
into
various
products
ensure
ecological
footprint
decreases
provide
advantageous
properties
eventual
products,
flexibility,
toughness,
or
exceptional
hydrophobic
character.
double
bonds
located
in
many
centers
chemical
functionalization,
epoxidization,
hydroxylation,
nucleophile
substitutions
using
acids
anhydrides.
Naturally
occurring
castor
oil
comprises
a
reactive
vacant
hydroxyl
group,
which
can
be
modified
via
numerous
approaches.
This
comprehensive
Review
provides
overall
insight
toward
multiple
materials
utilities
functionalized
glycerides
additive
manufacturing
(3D
printing),
polyurethane
(including
their
recycling),
coatings,
adhesives.
work
complex
list
investigated
studied
throughout
available
literature
describes
principles
each
selected
application.
Язык: Английский
New biobased chitosan-modified peach kernel shell composites and examining their behavior in different environmental conditions
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
280, С. 135832 - 135832
Опубликована: Сен. 21, 2024
Язык: Английский
Functionalized montmorillonite/epoxy resin nanocomposites with enhanced thermal and mechanical properties
L. Su,
Changfa Fang,
Huanzhong Luo
и другие.
RSC Advances,
Год журнала:
2024,
Номер
14(42), С. 31251 - 31258
Опубликована: Янв. 1, 2024
The
poor
interaction
between
the
hydrophilic
montmorillonite
and
hydrophobic
epoxy
resins
leads
to
agglomeration
of
within
resins,
which
finally
results
in
macro
properties
resin
nanocomposites.
Язык: Английский
Elastic and acoustic properties determination of epoxy/polystyrene/nanoclay/red mud waste hybrid composites by ultrasonic method
Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
Abstract
Ultrasonic
methods
are
more
sensitive
to
defects
such
as
voids,
pores,
and
discontinuities
that
can
diminish
the
true
elastic
acoustic
properties
of
materials
compared
destructive
testing.
Therefore,
some
epoxy
phenol
novolac
modified
with
polystyrene
(EPN‐PS)
matrix‐based
nano‐
hybrid
composites
were
determined
for
first
time
using
ultrasonic
method.
Montmorillonite‐type
nanoclay
(NC)
industrial
red
mud
waste
(RMW)
at
a
rate
1–4
15–35
wt%
respectively,
used
fillers
in
composite
preparation.
According
results,
highest
coefficient
values
(
L
=
8.14
GPa,
G
1.76
K
5.79
GPa
E
4.80
GPa)
obtained
EPN‐PS/NC1
(with
1
NC)
nanocomposite
sample
pure
EPN
EPN‐PS,
while
8.97
2.19
6.06
5.86
among
(HC)
HC35
containing
2
wt.
%
NC
35
RMW.
Due
both
its
high
good
properties,
wall
panels
floors
produced
be
sound
insulation
noisy
environments.
Highlights
First
evaluation
characteristics
polystyrene‐nanoclay/red
(EPN‐PS‐NC/RMW)
composites.
NC4
4
showed
lowest
properties.
Nanoclay
ratio
above
reduces
The
increasing
RMW
increases
High
make
ideal
insulation.
Язык: Английский