Effect of Coffee Grounds Content on Properties of PHBV Biocomposites Compared to Similar Composites with Other Fillers
Polymers,
Год журнала:
2025,
Номер
17(6), С. 764 - 764
Опубликована: Март 14, 2025
Spent
coffee
grounds
(SCG)
have
potential
as
a
sustainable
bio-filler
in
poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
(PHBV)
composites,
offering
an
environmentally
friendly
approach
to
waste
utilization.
This
study
investigated
the
effect
of
SCG
content
on
mechanical,
thermal,
and
morphological
properties
PHBV
biocomposites
compared
them
with
those
composites
containing
wood
flour
hemp
fibers.
The
were
fabricated
via
extrusion
injection
molding,
followed
by
characterization
their
mechanical
performance,
thermal
behavior,
microstructure.
results
indicated
that
increased
stiffness
but
did
not
enhance
its
tensile
strength
due
weak
interfacial
adhesion
between
filler
matrix.
Unlike
other
lignocellulosic
fillers,
requires
lower
processing
temperatures,
which
is
advantageous
for
thermally
sensitive
applications.
SEM
analysis
revealed
well-dispersed
particles
at
low
concentrations,
visible
aggregation
voids
higher
loadings.
While
serves
effective
cost-efficient
improving
PHBV,
it
does
reinforce
material
conventional
sense.
Язык: Английский
Enhancing biopolymer materials with coffee waste‐derived reinforcements
Polymer Engineering and Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Abstract
The
rising
consumption
of
coffee
produces
significant
waste,
posing
environmental
challenges.
However,
waste
serves
as
a
low‐cost,
abundant
source
biocompounds
to
enhance
polymer
composites.
review
examines
the
use
filler
in
matrices
create
eco‐friendly
composites
with
improved
mechanical,
antioxidant,
and
antibacterial
properties.
Chemical
modifications
further
these
properties,
making
it
viable
material
for
sustainable
applications.
study
highlights
recent
advancements
biopolymer
using
industry
byproducts,
emphasizing
their
composition,
characteristics,
sustainability
benefits.
This
approach
supports
circular
economy
initiatives
by
converting
into
valuable
materials,
addressing
both
management
sustainability.
Future
research
will
focus
on
optimizing
processing
techniques
exploring
new
applications
cost‐effective,
production
from
waste.
Highlights
Coffee
offers
biopolymers.
byproducts
polymer's
traits.
Waste
utilization
aligns
sustainability,
reducing
impact.
treatments
waste's
contribution
production.
Язык: Английский