Biodegradable Carbohydrate-Based Films for Packaging Agricultural Products—A Review
Polymers,
Journal Year:
2025,
Volume and Issue:
17(10), P. 1325 - 1325
Published: May 13, 2025
Carbohydrate-based
biodegradable
films
offer
an
eco-friendly
alternative
to
conventional
petroleum-derived
packaging
for
agricultural
commodities.
Derived
from
renewable
polysaccharides
such
as
starch,
cellulose,
chitosan,
pectin,
alginate,
pullulan,
and
xanthan
gum,
these
exhibit
favorable
biodegradability,
film-forming
ability,
compatibility
with
food
systems.
This
review
presents
a
comprehensive
analysis
of
recent
developments
in
the
preparation,
functionalization,
application
polysaccharide-based
packaging.
Emphasis
is
placed
on
emerging
fabrication
techniques,
including
electrospinning,
extrusion,
layer-by-layer
assembly,
which
have
significantly
enhanced
mechanical,
barrier,
antimicrobial
properties
materials.
Furthermore,
incorporation
active
compounds
antioxidants
antimicrobials
has
improved
performance
shelf-life
packaged
goods.
Despite
notable
advancements,
key
limitations
moisture
sensitivity,
poor
mechanical
durability,
high
production
costs
persist.
Strategies
polymer
blending,
nanofiller
incorporation,
surface
modification
are
explored
potential
solutions.
The
applicability
fruits,
vegetables,
dairy,
grains,
meat
products
also
discussed.
By
assessing
current
progress
future
prospects,
this
underscores
importance
carbohydrate-based
promoting
sustainable
systems,
reducing
environmental
impact
through
advancement
circular
bioeconomy
principles
development.
Language: Английский
Investigation of Wettability, Thermal Stability, and Solar Behavior of Composite Films Based on Thermoplastic Polyurethane and Barium Titanate Nanoparticles
Polymers,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3259 - 3259
Published: Nov. 23, 2024
Herein,
composite
films
were
produced
by
incorporating
different
amounts
(1,
3,
5,
and
7%)
of
barium
titanate
nanoparticles
into
the
thermoplastic
polyurethane
matrix
using
a
solution
casting
method.
This
study
examined
impact
presence
concentration
additive
on
morphologic
properties,
mechanical
performance,
thermal
stability,
solar
behavior,
wettability
film
samples.
The
characterized
Fourier
transform
infrared
spectroscopy,
differential
scanning
calorimetry,
gravimetric
analysis,
electron
microscope,
ultraviolet-visible
near-infrared
spectrophotometer,
water
contact
angle,
tensile
strength
measurements.
In
present
study,
mass
loss
samples
containing
7%
was
24%
lower
than
that
pure
reference.
increase
rate
added
to
enhanced
reflectance
property
films,
including
region.
As
prominent
result,
transmittance
value
decreased
significantly
compared
reference
in
ultraviolet
region,
it
dropped
3%
for
highest
concentration.
angle
values
increased
11–40%
depending
addition
ratio.
nano
also
positively
affected
performance
slightly
increasing
values.
Language: Английский