AIP Advances,
Journal Year:
2024,
Volume and Issue:
14(8)
Published: Aug. 1, 2024
This
study
primarily
investigates
the
antibacterial
properties,
tensile
strength,
flexural
impact
hardness,
and
microstructural
characteristics
of
a
composite,
utilizing
Scanning
Electron
Microscopy
(SEM)
for
detailed
analysis.
The
crafted
through
hand
layup
technique,
optimally
blends
ramie
hemp
fibers
within
an
epoxy
matrix.
Its
efficacy
was
rigorously
tested
against
common
bacterial
strains,
demonstrating
significant
potential
medical
hygienic
applications.
evaluation
strength
revealed
composite’s
enhanced
capability
to
withstand
longitudinal
stresses,
with
peak
37.81
MPa,
achieved
by
increasing
fiber
content.
In
addition,
39.72
MPa
underscored
material’s
robust
resistance
bending
forces,
crucial
structural
uses.
accessed
via
Izod
test,
registered
at
0.021
J/m2,
indicating
its
ability
absorb
dissipate
energy
upon
sudden
impacts,
making
it
ideal
automotive
protective
gear
Rockwell
hardness
test
further
quantified
surface
indentation,
vital
wear-resistant
surfaces.
SEM
analysis
offered
comprehensive
view
dynamics
between
matrix,
especially
under
stress,
highlighting
intricacies
fiber–matrix
adhesion,
crack
propagation,
overall
composite
integrity.
Notably,
properties
were
confirmed
18
mm
inhibition
zone,
which
showcases
inhibit
growth
effectively.
Polymer Engineering and Science,
Journal Year:
2024,
Volume and Issue:
64(6), P. 2345 - 2373
Published: March 19, 2024
Abstract
High
performance
and
durability
are
essential
for
goods
to
satisfy
the
needs
of
expanding
worldwide
market.
Wood
plastic
composites
(WPCs)
materials
made
from
a
combination
wood,
polymers,
additives.
WPCs
can
be
extruded,
injected,
compressed,
or
thermoformed.
Presently,
manufactured
using
sophisticated
processes
including
as
laser
sintering,
fused
layer
modeling,
additive
manufacturing.
Properly
managing
melt
temperature
pressure
is
crucial
in
manufacturing
process
ensure
effective
polymer
incorporation.
Natural
fibers
have
distinct
benefits
composites,
but
they
also
some
serious
drawbacks,
like
lower
strength
properties—especially
impact
than
synthetic
fibers—poor
compatibility
with
hydrophobic
poorer
dimensional
stability
moisture
absorption
due
hydroxly
groups,
maximum
processing
that
limited,
thermal
degradation
above
200–220°C,
biological
durability.
The
modification
surface
improves
mentioned
disadvantages
natural
fibers.
High‐quality
require
application
chemical
physical
treatment
wood
This
extensive
review
focused
on
techniques
applied
processes,
properties
applications
WPCs.
Highlights
Modification
methods
used
was
explained.
Properties
recent
were
given.
Optimum
requirements
matrices
Fabrication
fiber
extensively
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(21)
Published: June 3, 2024
Abstract
Over
the
past
decade,
significant
progress
has
been
made
in
creating
environmentally
friendly
products
using
natural
resources.
Plant
fibers,
also
known
as
lignocellulosic
are
hydrophilic
due
to
interaction
and
attraction
between
water
molecules
hydroxyl
groups
present
their
components.
The
inherent
hydrophilicity
of
plant
fibers
often
prevents
them
from
interacting
effectively
with
hydrophobic
polymer
matrices.
In
order
improve
adhesion
matrix,
it
is
necessary
modify
surface
fibers.
Commonly
used
chemical
processes
include
mercerization,
silane
treatment,
acetylation,
permanganate
acrylation,
benzoylation,
peroxide
stearic
acid
isocyanate
treatment
sodium
chlorite
intervention.
desirability
chemically
modifying
declined
several
limitations.
can
be
modified
an
way
by
various
methods,
such
plasma
therapy
treatments
fungi,
enzymes
bacteria.
This
part
provides
analysis
impact
different
modification
techniques
on
properties
reinforced
polymers.
BioResources,
Journal Year:
2024,
Volume and Issue:
19(2), P. 3271 - 3289
Published: April 11, 2024
Natural
fibers
along
with
glass
were
used
as
the
reinforcement
of
an
epoxy
matrix
for
betterment
mechanical
and
wear
applications.
The
combination
overall
wt%
up
to
20
resulted
in
23.8
MPa
tensile
strength
compared
15.5
untreated
fibers.
areca
fiber
(AF)
(20
wt%)/glass
(GF)
wt%)
5%
alkali
treatment
yielded
a
maximum
62.6%
comparison
at
lowest
percentage
10
wt%.
increase
flexural
was
observed
from
50
hybrid
incorporation.
treated
fibers,
combinations
achieved
33.8%
26.8%
improvement
impact
properties.
A
decrease
loss
shown
incorporation
40
interfacial
adhesion
created
pressure
absorbing
zone
that
positively
influenced
applying
higher
loads.
frictional
rate
highly
increasing
also
loads
applied.
SEM
results
AF+20
GF
better
due
improved
phase.
Journal of Adhesion Science and Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 22
Published: Jan. 9, 2025
This
study
examines
the
influence
of
sodium
hydroxide
treatment
on
tensile
and
flexural
properties
carbon/ramie/epoxy
hybrid
composites,
validated
through
artificial
neural
network
modeling.
Among
untreated,
1
wt.%,
5
wt.%
hydroxide-treated
samples,
3
showed
highest
improvements,
achieving
a
strength
524
MPa
697
MPa,
with
respective
increases
27.48%
43.75%.
degraded
ramie
fibers,
causing
weight
losses
4.6%,
8.5%,
18.5%,
respectively.
Fourier
transform
infrared
spectroscopy
confirmed
removal
surface
impurities
such
as
wax,
hemicellulose,
lignin,
enhancing
bonding
between
fibers
matrix,
while
field
emission
scanning
electron
microscopy
revealed
improved
structural
integrity.
The
superior
composite
were
attributed
to
stronger
interface
matrix.
Additionally,
model
accurately
predicted
strengths
using
time,
load,
extension
inputs,
regression
coefficients
0.99998
0.99982
minimal
error
3.29%.
These
results
highlight
optimal
performance
composites
sustainable
materials
for
applications
in
automotive,
aerospace,
construction
sectors.
