Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 12, 2023
Abstract
In
this
paper,
a
safe,
non-toxic,
and
low-cost
method
was
adopted
to
modify
ultra-high
molecular
weight
polyethylene
(UHMWPE)
fibers.
gallic
acid
(GA)
polyethyleneimine
(PEI)
were
co-deposited
on
the
surface
of
UHMWPE
fibers
by
Michael
addition
Schiff
base
reaction
in
an
alkaline
solution
with
pH
8.5.
The
structure
properties
analyzed
characterized
Fourier
Transform
Infrared
Spectroscopy
(FTIR),
X-ray
Photoelectron
(XPS),
Thermogravimetric
Analyzer
(TG),
etc.
morphology
degree
firmness
coatings
observed
Scanning
Electron
Microscope
(SEM),
effects
different
mass
ratios
GA-PEI
investigated.
results
showed
that
active
functional
groups
modified
increased,
bending
interfacial
shear
strength
composites
epoxy
resin
significantly
improved,
increased
33.1
%
45.9
%,
respectively.
Applications in Engineering Science,
Год журнала:
2024,
Номер
18, С. 100184 - 100184
Опубликована: Май 31, 2024
This
paper
emphasizes
the
significant
usage
of
natural
fiber
as
a
reinforced
composite
in
potential
engineering
field.
Mechanical,
civil,
textile,
agricultural,
and
other
sectors
have
already
initiated
utilization
their
multiple
fields.
After
going
through
some
processes
like
treating
chemically
synthesizing
them
accordingly,
composites
are
prepared
for
respective
implementation.
Unlike
types
materials,
unique
properties
recyclability,
adaptability,
environmental
safety,
easy
persuasion.
On
hand,
different
naturally
oriented
jute,
cotton,
silk,
linen,
hemp,
etc.
almost
same
kind
mechanical,
thermal,
chemical
features
traditional
materials.
Additionally;
automobile,
marine,
aerospace,
medical,
recreation
industries
claim
realm
this
type
material
kingdom.
Though
moisture
problems,
swelling,
safe
reusability
threatening
fiber-reinforced
composites,
more
research
will
certainly
reduce
these
problems.
Researchers
play
role
permanent
solution
applications
every
sector.
Polymers,
Год журнала:
2025,
Номер
17(4), С. 476 - 476
Опубликована: Фев. 11, 2025
This
study
addresses
the
high
cost
of
traditional
dental
impression
materials
by
introducing
a
novel
composite
material
reinforced
with
wheat
bran
powder,
aiming
to
reduce
expenses
while
maintaining
suitable
mechanical
performance.
Tensile
and
compression
test
specimens
were
prepared
according
ASTM
D412
D575
standards,
respectively,
evaluate
properties
pure
elastomer
wheat-bran-reinforced
composite.
Comparative
t-tests
conducted
analyze
tensile
strengths
both
materials,
focusing
on
their
cost-effectiveness
suitability
for
applications.
The
results
demonstrate
that
exhibits
strength
(105
MPa)
comparable
offering
controlled
deformation
enhanced
stiffness
under
compression.
Although
shows
reduced
(7
MPa
vs.
11
MPa),
its
performance
remains
adequate
applications
requiring
moderate
properties.
Notably,
new
reduces
costs
approximately
50%,
making
it
an
economical
sustainable
alternative
materials.
innovation
aligns
practices
incorporating
natural
fibers
offers
dentists
cost-effective
solution
without
compromising
Polymers,
Год журнала:
2025,
Номер
17(6), С. 732 - 732
Опубликована: Март 11, 2025
Biocomposites,
made
from
biobased
polymers
with
natural
fibre
reinforcement,
offer
a
feasible
path
towards
environment
friendly
and
sustainable
materials.
However,
biocomposites
have
struggled
to
attract
ta
market
that
is
mostly
dominated
by
conventional
fossil-based
polymers.
To
increase
the
cost
efficiency
extend
lifespan
of
biocomposites,
effects
mechanical
recycling
on
their
properties
should
be
thoroughly
explored.
While
there
has
been
some
research
fibre-reinforced
limited
attention
paid
reinforced
softwood
fibre.
This
study
investigates
impact
poly-lactic
acid
(PLA)
bleached
unbleached
kraft
pulp
fibres
at
15
wt%
30
wt%.
The
results
show
single-stage
improves
Young’s
modulus
11–13%
while
maintaining
strength.
Tensile
strength
remains
stable
for
but
decreases
6–8%
biocomposites.
Recycling
dispersion
reducing
agglomeration
leads
PLA
degradation,
which
could
potentially
mitigated
adding
virgin
polymer
or
chain
extenders.
These
findings
highlight
potential
reusing
PLA-softwood
emphasizing
need
further
into
multiple
cycles.
