Abstract
The
inherent
polarity
and
hydrophilic
nature
of
lignocellulosic
fibers
the
nonpolar
characteristics
polyolefins
create
challenges
in
achieving
good
adhesion
between
two
materials.
This
study
aimed
to
evaluate
effect
surface
activation
jute
on
fiber-matrix
interface
a
fiber-polyester
composite.
were
pretreated
with
hot
water
exposed
corona
discharge
for
5
or
10
min.
evaluated
by
thermogravimetric
analysis,
infrared
spectroscopy,
scanning
electron
microscopy.
Pullout
tests
conducted
behavior
polyester
matrix
when
embedded
at
5,
10,
20,
30
mm
depths.
pretreatments
did
not
affect
thermal
properties
fibers;
however,
they
promoted
oxidation
increased
roughness.
Hot
pretreatment
resulted
partial
removal
waxes
enhanced
bonding.
revealed
that
subjected
immersion,
followed
min
discharge,
exhibited
approximately
34%
increase
strength
compared
untreated
fibers.
It
was
concluded
improves
activating
increasing
roughness
Results in Engineering,
Год журнала:
2023,
Номер
20, С. 101511 - 101511
Опубликована: Окт. 18, 2023
Eco-friendly
bio-active
materials
designed
from
available
natural
resources
have
been
signified
a
big
challenge
in
the
past
few
decades.
Nevertheless,
deficiency
of
most
essential
knowledge
regarding
effective
processing
starting
which
has
used
to
fabricate
targeted
bio-polymeric
composites
framework
is
considered
foremost
encounter.
However,
cellulosic
fibers
(generally
extracted
different
parts
plants
like
bast/bark,
leaf,
steam)
received
more
attention
researchers,
due
their
outstanding
physiochemical,
thermomechanical,
morphological
properties
and
eco-friendly
nature/sustainability.
Basically,
features
hinge
on
proper
preparation
modification
process.
Conversely,
main
problem
fiber
its
hydrophilic
nature
while
polymeric
matrix
are
hydrophobic
thus
it
urgent
reduce
by
conducting
various
significant
chemical
techniques
so
as
improve
overall
quality
reinforcement
sustainable
biocomposite.
Therefore,
will
be
proposed
with
detailed
overview
focusing
notable
process
modifications
characterization
methods
this
review.
We
also
summarize
important
findings
earlier
literature
effects
treatments
being
emphasized.
Eng—Advances in Engineering,
Год журнала:
2024,
Номер
5(1), С. 133 - 179
Опубликована: Янв. 12, 2024
The
Amazon
rainforest,
spanning
multiple
countries
in
South
America,
is
the
world’s
largest
equatorial
expanse,
housing
a
vast
array
of
relatively
unknown
plant
and
animal
species.
Encompassing
planet’s
greatest
flora,
offers
tremendous
variety
plants
from
which
natural
lignocellulosic
fibers
(NLFs)
can
be
extracted.
In
this
century,
NLFs,
have
long
been
utilized
by
indigenous
populations
Amazon,
garnered
interest
as
potential
reinforcements
for
composites,
whether
polymer-
or
cement-based,
various
technical
applications
such
packaging,
construction,
automotive
products,
ballistic
armor.
A
comparison
with
synthetic
materials
like
glass,
carbon,
aramid
fibers,
well
other
established
highlights
cost
specific
property
advantages
(ANFs).
Notably,
sustainable
cultivation
extraction
ANFs,
alternatives
to
deforestation
livestock
pasture,
contribute
preservation
rainforest.
This
review
article
provides
comprehensive
examination
recent
studies
directly
related
ANF-reinforced
polymer
matrix
composites.
advantages,
proposed
applications,
reported
challenges
are
highlighted,
shedding
light
on
these
unique
fibers.
Materials and Manufacturing Processes,
Год журнала:
2024,
Номер
39(9), С. 1203 - 1212
Опубликована: Фев. 12, 2024
Naturally
derived
fibers/fillers-based
polymers
have
gained
much
attention
in
many
industrial
applications
due
to
the
requirement
for
renewable
and
biodegradable
components.
Machining
is
sometimes
needed
simplify
assembly
of
pieces
a
finished
product.
Here,
this
article
reports
how
drill
machining
affects
polymer
composites
made
with
5
wt.%
jute
filler
that
has
undergone
alkaline
treatment.
The
experimental
tests
been
conducted
explore
impact
tool
bit
diameter,
cutting
speed
feed
on
various
generated
responses
(thrust
force,
surface
roughness,
delamination
peel-up
push-out).
results
reveal
appropriate
are
achieved
when
at
its
maximum
while
diameter
their
minimal
amounts.
response
methodology
(RSM)
support
vector
machine
(SVM)
algorithms
devised
anticipate
drilling
performance
produced
composites,
both
strategies
shown
high
agreement
experimentally
acquired
findings.
However,
ML
algorithm
proven
more
reliable
than
RSM
models
because
superior
correlation
determination
coefficients.
Polymers,
Год журнала:
2024,
Номер
16(5), С. 657 - 657
Опубликована: Фев. 28, 2024
Natural
fibers
extracted
from
plants
are
preferred
as
an
alternative
to
synthetic
products.
The
main
reasons
for
this
preference
their
affordable
cost,
light
weight
and
good
mechanical
properties.
However,
finding
new
natural
raw
materials
is
challenging
due
growth
limitations
in
different
geographical
areas.
Platanus
orientalis
L.
(Eastern
plane
tree)
a
tree
with
abundant
fruits
that
can
grow
many
regions
of
the
world.
aim
study
was
determine
(tensile
strength,
tensile
modulus,
elongation),
physical
(density,
fiber
diameter)
chemical
(cellulose,
hemicellulose
lignin)
properties
fruit’s
stem
by
extraction
stems
tree.
It
determined
had
cellulose
content
42.03%.
As
result
thermogravimetric
analysis,
it
thermal
resistance
up
299
°C.
strength
value
157.76
MPa,
modulus
1.39
GPa
elongation
22.01%.
suitable
use
reinforcement
thermoplastic-based
composites
at
temperatures
below
According
results
obtained
mechanical,
analysis
(PoLfs),
could
be
recommended
reinforcing
thermoplastic
thermoset
composites.
Polymers,
Год журнала:
2024,
Номер
16(3), С. 360 - 360
Опубликована: Янв. 29, 2024
Significant
progress
has
been
made
in
recent
years
the
use
of
atmospheric
pressure
plasma
techniques
for
surface
modification.
This
research
focused
on
beneficial
effects
these
processes
natural
by-products,
specifically
those
involving
fiber-based
materials.
The
study
explored
deposition
hydrophobic
organosilicon-like
thin
films
onto
flax
fibres
through
plasma-enhanced
chemical
vapour
(PECVD),
using
tetramethylcyclotetrasiloxane
(TMCTS)
as
precursor.
After
successful
fibres,
polylactic
acid
(PLA)
composite
materials
were
fabricated.
fabrication
process
sets
stage
an
in-depth
analysis
modified
Subsequently,
fabrics
subjected
to
meticulous
characterization
scanning
electron
microscopy
(SEM),
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
photoelectron
(XPS),
and
contact
angle
measurements.
results
demonstrated
TMCTS
which
led
a
complete
hydrophobization
fibers.
Mechanical
tests
PLA/flax
fibre
composites
revealed
significant
improvement
load
transfer
interfacial
compatibility
following
modification
fibres.
was
attributed
enhanced
adhesion
between
PLA
matrix.
findings
highlight
potential
TMCTS-based
PECVD
practical
technique,
effectively
enhancing
mechanical
properties
composites.
These
developments
open
exciting
possibilities
sustainable
high-performance
various
industries.
