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.
Materials,
Journal Year:
2025,
Volume and Issue:
18(5), P. 999 - 999
Published: Feb. 24, 2025
Fiber-reinforced
composites
are
widely
utilized
across
various
industries,
including
aerospace,
automotive,
and
marine,
due
to
their
outstanding
mechanical
properties
lightweight
characteristics.
Natural
fibers,
as
promising
reinforcements,
have
the
potential
replace
synthetic
fibers
in
certain
areas
meet
growing
demand
for
environmental
protection
sustainability.
These
biocomposites
offer
numerous
benefits,
reduced
carbon
footprints,
diminished
reliance
on
non-renewable
resources,
increased
natural
biodegradability.
In
addition,
utilizing
such
eco-friendly
materials
is
a
critical
strategy
balancing
industry
progress
protection.
Kenaf
fiber,
superior
bast
fiber
known
its
excellent
high
cellulose
content,
presents
considerable
advantages
enhancing
performance
of
biocomposites.
This
review
explores
kenaf
fiber-reinforced
marine
applications,
focusing
fabrication
testing
methods
evaluate
physicochemical
properties.
paper
examines
chemical
composition
investigates
fiber-based
by
hybridization
manufacturing,
provides
an
overview
status
challenges
applying
environments.
Based
this
review,
it
evident
that
significant
superiority
applications
with
advancement
manufacturing
techniques.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(6), P. 707 - 707
Published: March 7, 2025
This
study
focuses
on
AG-80
epoxy
resin,
using
5228A
and
BA9916-II
as
representative
examples.
Saturated
moisture
absorption
tests
dynamic
mechanical
analyses
(DMA)
were
conducted
to
investigate
its
physical
properties.
The
saturated
rates
diffusion
coefficients
for
measured.
Their
distinct
molecular
structures
found
lead
different
moisture–absorption
behaviors.
A
hygro-thermal–mechanical
constitutive
model
resin
(represented
by
5228A)
was
developed,
taking
into
account
the
effects
of
temperature
content
validated
DMA
5228A/CCF300
composites.
research
findings
this
enhance
understanding
provide
a
theoretical
basis
application
in
high-temperature-resistant
industrial
environments.
Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
Abstract
The
final
properties
of
the
epoxy
(EP)
based
composites
are
influenced
by
hardener
used
and
curing
conditions.
This
study
explores
a
novel
mechanism
in
which
nano‐silicon
nitride
(SiN)
integration
within
matrix
facilitates
residual
under
cyclic
abrasion
tribological
tests
revealed
that
including
0.5
wt%
SiN
into
EP
improves
wear
resistance
192%
quickly
enables
nanocomposite
to
achieve
steady
COF.
Friction
energy
models
modified
Archard
equation
were
employed
assess
stability
specimens
when
subjected
sliding.
Raman
spectroscopy
prior‐
post‐worn
surfaces
confirmed
nanofiller
induces
minimizes
exposure
new
surface
layers
during
test.
Further
analysis
using
FESEM
with
EDS
DSC
supports
these
findings.
neat
exhibited
tribochemical
mechanism,
resulting
significant
oxide
formation.
In
contrast,
EP/SiN
composite
showed
superior
oxidation
resistance,
attributed
an
increased
crosslinking
density
attained
near‐to‐complete
is
credited
for
improved
resistance.
proposed
introduces
promising
avenue
research
aimed
at
extending
product
lifespan
sliding‐induced
service.
Highlights
activates
friction
induced
hotball
mechanism.
Fleishcher's
model
suggests
enhanced
thermal
stability.
indicated
due
nano
thermograms
prior
post
prove
process
EDAX
absence
layer
formation
nanocomposites.
Materials,
Journal Year:
2024,
Volume and Issue:
17(6), P. 1343 - 1343
Published: March 14, 2024
Thiols
can
react
with
readily
available
organic
substrates
under
benign
conditions,
making
them
suitable
for
use
in
chemical,
biological,
physical,
and
materials
engineering
research
areas.
In
particular,
the
highly
efficient
thiol-based
click
reaction
includes
of
radicals
electron-rich
enes,
Michael
addition
electron-poor
carbonyl
isocyanate
SN2
ring
opening
epoxies,
nucleophilic
substitution
halogens.
This
mini
review
provides
insights
into
emerging
venues
their
industrial
applications,
especially
applications
thiol-ene,
thiol–isocyanate,
thiol–epoxy
reactions,
highlighting
a
brief
chemistry
thiols
as
well
various
approaches
to
polythiol
synthesis.
Hybrid Advances,
Journal Year:
2024,
Volume and Issue:
6, P. 100238 - 100238
Published: June 26, 2024
Herein,
firstly,
sodium
montmorillonite
(Na+-MMT)
was
modified
with
date
seed
(DS)
powder,
and
then
the
anti-corrosion
properties
of
new
nanoparticles
(DS-MMT)
were
evaluated
on
mild
steel
(MS)
in
saline
solution
phase.
Next,
DS-MMT
added
to
epoxy
(EP),
their
nanocomposite
prepared.
Electrochemical
impedance
spectroscopy
(EIS),
polarization,
salt
spray
tests
showed
that
improved
corrosion
resistance.
According
results
EIS,
coating
resistance
(Rc)
EP/3
%
after
24
days
immersion
2473
MΩ
cm2,
while
this
value
7.9
cm2
for
EP.
Also,
visual
observation
test
h,
entire
surface
blank
sample
filled
rust
products,
but
no
evidence
products
observed
sample.
Moreover,
antimicrobial
is
inhibitory
killing
against
Bacillus
subtilis
Staphylococcus
aureus.
