Sustainable hemp fiber reinforced polylactic acid/poly(butylene succinate) biocomposites: Assessing the effectiveness of MAH‐g‐PLA as a compatibilizer
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Abstract
The
unsustainability
of
petroleum
resources
and
the
growing
issue
plastic
pollution
necessitate
development
sustainable
biocomposites
as
alternatives
to
synthetic
materials.
On
this
basis,
a
blend
biosourced
poly(lactic
acid)
(PLA)/poly(butylene
succinate)
was
reinforced
with
hemp
fibers
(HF)
in
various
amounts
(5–10–20‐30
wt%).
In
order
facilitate
interaction
between
PLA/PBS
HFs,
maleic
anhydride
grafted
PLA
(MAH‐g‐PLA)
added
biocomposite
containing
20
wt%
HF
at
ratios
produce
compatibilized
biocomposites.
All
samples
were
processed
by
melt
blending
injection
molding
characterized.
Fourier
transform
infrared
spectroscopy
used
determine
whether
MAH
group
interacts
OH
groups
through
reactive
processes.
However,
compatibility
is
deemed
insufficient
due
low
inadequacy
PBS
end
groups,
which
failed
enhance
tensile
strength
property
composites.
Differential
scanning
calorimetry
demonstrated
that
crystallinity
matrix,
decreased
addition
HF,
increased
markedly
incorporation
compatibilizer.
poor
interfacial
adhesion
observed
electron
microscope
images
resulted
reduction
while
modulus
increased.
compatibilizer
did
not
lead
considerable
enhancement
strength,
but
considerably.
MAH‐g‐PLA
slowed
thermal
degradation
matrix
improved
its
thermomechanical
properties.
it
can
be
concluded
sufficiently
effective
for
biocomposite.
Язык: Английский
Effect of Silybum marianum-derived nanocellulose as a sustainable functional filler on supramolecular structure of thermoplastic zein
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 143904 - 143904
Опубликована: Май 1, 2025
Thermoplastic
zein
(TPZ)-based
bioplastics
offer
a
promising
alternative
to
conventional
ones.
However,
they
exhibit
certain
limitations,
notably
in
terms
of
mechanical
strength
and
barrier
properties.
These
properties
can
potentially
be
enhanced
by
using
fillers,
such
as
nanocellulose,
produce
nanocomposites.
In
this
study,
bio-based
nanocomposite
films
were
produced
compression
molding
melt
mixing
approach,
employing
TPZ
combination
with
two
different
types
Silybum
marianum
(SM)-derived
cellulose
nanocrystals
(SM_CNC)
or
nanofibers
(SM_CNF),
at
concentrations
(3
wt%-10
wt%).
The
effect
nanocelluloses
on
the
structure
was
studied
means
X-ray
diffraction
correlated
mechanical,
thermal
physical
(water
permeability
UV
resistance)
obtained
TGA,
DMA,
spectrophotometric
tests.
Incorporation
both
nanocellulose
yielded
changes
film
properties,
according
filler
concentration.
results
demonstrated
that
SM_CNC
SM_CNF
increased
only
5
wt%,
raising
modulus
25
%
27
%,
respectively.
Barrier
property
studies
revealed
also
improved
water
resistance
bio-nanocomposites
but
lower
concentration
wt%)
which
relevant
protein
structural
occurred.
Therefore,
developed
possess
versatile
make
them
candidate
for
packaging
materials
foods.
Язык: Английский
Modeling and optimization of mechanical, water vapor permeability and haze properties of PLA and PBAT films reinforced with montmorillonite, halloysite nanotubes and palygorskite using artificial neural networks and genetic algorithms
Food Packaging and Shelf Life,
Год журнала:
2025,
Номер
49, С. 101533 - 101533
Опубликована: Май 26, 2025
Язык: Английский