Polymer Testing,
Journal Year:
2023,
Volume and Issue:
124, P. 108059 - 108059
Published: May 18, 2023
This
work
reports
the
effect
of
a
reactive
extrusion
(REX)
process
on
polylactide
(PLA)
based
formulations
plasticized
with
dibutyl
itaconate
(DBI).
As
DBI
contains
carbon-carbon
double
bond,
it
is
suitable
for
extrusion.
REX
was
carried
out
in
co-rotating
twin
extruder
addition
two
different
organic
peroxides.
The
main
aim
using
during
blending
plasticizer
PLA
to
improve
interaction
between
them
so
obtained
final
properties
could
be
improved.
Plasticization
allowed
ductile
PLA,
by
REX,
an
improvement
tensile
strength
no
remarkable
change
ductility.
thermal
characterization
also
revealed
that
glass
transition
temperature
Tg
reduced
all
including
DBI.
provided
slight
increase
and
this
evident
thermomechanical
properties.
Regarding
degradation
behaviour,
onset
maximum
rate,
while
stability
observed
Finally,
migration
water
conventional
extruded
PLA/DBI
formulations,
improved
behaviour
against
migration.
Foods,
Journal Year:
2023,
Volume and Issue:
12(5), P. 1057 - 1057
Published: March 2, 2023
Food
loss
and
waste
occur
for
many
reasons,
from
crop
processing
to
household
leftovers.
Even
though
some
generation
is
unavoidable,
a
considerable
amount
due
supply
chain
inefficiencies
damage
during
transport
handling.
Packaging
design
materials
innovations
represent
real
opportunities
reduce
food
within
the
chain.
Besides,
changes
in
people's
lifestyles
have
increased
demand
high-quality,
fresh,
minimally
processed,
ready-to-eat
products
with
extended
shelf-life,
that
need
meet
strict
constantly
renewed
safety
regulations.
In
this
regard,
accurate
monitoring
of
quality
spoilage
necessary
diminish
both
health
hazards
waste.
Thus,
work
provides
an
overview
most
recent
advances
investigation
development
packaging
aim
improve
sustainability.
Enhanced
barrier
surface
properties
as
well
active
conservation
are
reviewed.
Likewise,
function,
importance,
current
availability,
future
trends
intelligent
smart
systems
presented,
especially
considering
biobased
sensor
by
3D
printing
technology.
addition,
driving
factors
affecting
fully
production
discussed,
byproducts
minimization
revalorization,
recyclability,
biodegradability,
other
possible
ends-of-life
their
impact
on
product/package
system
Alexandria Engineering Journal,
Journal Year:
2024,
Volume and Issue:
91, P. 70 - 83
Published: Feb. 7, 2024
This
review
provides
a
comprehensive
overview
of
recent
advances
in
biodegradable
materials
for
sustainable
food
packaging
applications.
Biodegradable
polymers
offer
an
alternative
to
conventional
plastics
by
undergoing
decomposition
into
water,
carbon
dioxide,
and
biomass.
Synthetic
biopolymers
like
PLA,
PHAs,
bio-based
polyesters
as
well
natural
such
polysaccharides
proteins
have
shown
promise
substitutes
non-biodegradable
packaging.
These
provide
sustainability,
waste
reduction,
neutrality
benefits.
However,
inferior
barrier
properties,
low
heat
resistance,
poor
mechanical
strength,
high
costs
are
limitations.
Strategies
plasticization,
blending,
nanomaterial
reinforcement,
multilayer
composite
structures
expanded
biopolymer
applicability
various
foods.
Biodegradation
life
cycle
assessment
studies
demonstrated
their
environmental
advantages
over
plastics.
Addressing
remaining
challenges
collection
logistics,
composting
infrastructure,
costs,
functional
performance
will
be
crucial
widespread
commercial
adoption.
Recent
make
poised
major
contributions
development
the
industry.
Polymers from Renewable Resources,
Journal Year:
2024,
Volume and Issue:
15(2), P. 193 - 209
Published: Jan. 8, 2024
This
comprehensive
review
addresses
the
vital
environmental
concerns
posed
by
conventional
petroleum-based
plastics,
particularly
in
context
of
packaging
industry’s
extensive
reliance
on
these
materials.
As
nearly
99%
plastics
originate
from
non-renewable
petrochemical
sources
and
their
non-biodegradable
nature
leads
to
widespread
waste
accumulation
harmful
emissions
upon
disposal,
need
for
sustainable
alternatives
has
become
paramount.
paper
explores
escalating
health
repercussions
linked
traditional
underscored
global
initiatives,
including
restrictions
single-use
aimed
at
mitigating
challenges.
In
response,
highlights
growing
interest
friendly
biopolymers,
which
can
be
sourced
renewable
biological
materials
or
synthesized
biopolymers
such
as
starch,
casein
etc.
The
classification
into
three
primary
categories;
natural
microbial
fermentation-derived
polymerized
monomers
biomass
is
comprehensively
examined.
Furthermore,
emphasizes
pivotal
role
biopolymer
properties,
barrier
characteristics,
mechanical
strength,
heat
resistance,
biodegradability,
flexibility,
food
contact
safety,
cost-effectiveness,
determining
suitability
applications.
It
also
stresses
importance
conducting
life
cycle
assessment
(LCA)
holistically
evaluate
sustainability
biopolymers.
potential
integrating
a
promising
avenue
reduce
adverse
impact
plastic
production.
These
biodegradable
materials,
with
diverse
properties
renewability,
offer
approach
lowering
greenhouse
gas
emissions.
However,
further
research,
development,
collaborative
efforts
are
essential
optimize
performance,
production
costs,
facilitate
broader
adoption.
Embracing
polymers
represents
commitment
resource
efficiency,
reduction,
preservation,
fostering
more
eco-friendly
future.
