Sustainability,
Год журнала:
2023,
Номер
15(16), С. 12470 - 12470
Опубликована: Авг. 16, 2023
The
rising
concerns
about
environmental
harm
and
pollution
create
a
setting
for
the
search
better
materials
to
produce
more
sustainable
products.
Plastic
plays
crucial
role
in
modern
life
most
of
commonly
used
are
fossil
origin.
Polylactic
Acid
(PLA)
has
been
appointed
as
alternative,
due
its
origins
biodegradable
raw
materials.
This
paper
aims
review
scientific
research,
where
Life
Cycle
Assessment
(LCA)
is
performed
on
this
material,
order
further
understand
impacts
assess
whether
it
viable
option
when
compared
plastics.
A
systematic
literature
81
LCA
studies
focused
PLA
products
was
conducted.
An
assessment
key
aspects,
including
system
boundaries,
origin,
quantitative
analysis
five
impact
categories
performed.
In
comparative
analysis,
addition
presenting
results
products,
they
also
with
other
fossil-based
leads
conclusion
that
higher
Marine
Eutrophication,
Freshwater
Human
Toxicity,
which
mainly
related
agricultural
phase
growing
production.
For
Climate
Change,
Polystyrene
(PS)
presents
Greenhouse
Gas
(GHG)
emissions,
Ozone
Layer
Depletion
category,
Polyethylene
terephthalate
(PET)
impact.
solution
replace
However,
use
alternative
biomass
sources
without
competition
feed
food
sector
could
be
biobased
production,
lower
socioeconomic
impacts.
will
pathway
reduce
such
climate
change,
marine
eutrophication,
freshwater
eutrophication.
Polymer Testing,
Год журнала:
2024,
Номер
132, С. 108364 - 108364
Опубликована: Фев. 13, 2024
This
study
delves
into
how
additive
manufacturing
has
revolutionized
the
production
of
polymers
over
last
three
decades.
Traditional
polymer
finds
it
difficult
to
fulfill
demanding
needs
a
wide
range
applications,
even
as
faces
issues
with
environmental
sustainability
and
decreased
plastic
waste.
On
other
hand,
AM
provides
unmatched
design
freedom,
expedited
time-to-market,
reduced
material
waste
while
enabling
quick
fabrication
complex
structures.
The
uses
(AM)
in
consumer
products,
automotive,
aerospace,
medical
implant
sectors
are
examined
this
paper.
Polymeric
materials
created
by
provide
several
benefits,
including
improved
flexibility,
less
waste,
lighter
weight,
ability
include
functionality.
paper
addresses
need
for
emphasizing
composition
structural
modification
capabilities
that
brings
synthesis.
use
methods
evaluating
quality
performance
AM,
such
scanning
electron
microscopy
(SEM),
dynamic
mechanical
analysis
(DMA),
thermogravimetric
(TGA),
differential
calorimetry
(DSC),
is
covered.
review
also
highlights
challenges
facing
now
well
its
bright
future,
which
might
lead
massive
growth
upheaval
sectors.
gives
thorough
overview
changing
field
providing
insights
particular
findings
clearly
stating
goals,
objectives,
differences
from
earlier
studies.
Giant,
Год журнала:
2024,
Номер
18, С. 100261 - 100261
Опубликована: Апрель 4, 2024
Polylactic
Acid
(PLA)
is
a
biodegradable
polymer
gaining
popularity
as
replacement
for
conventional
plastics
in
different
industrial
sectors.
However,
PLA
has
inherent
limitations
and
requires
modifications
to
enhance
its
performance.
This
review
article
covers
the
important
aspects
related
such
synthesis
route
of
PLA,
biodegradation
mechanism
properties
applications
The
main
focus
this
identify
innovative
copolymers,
blends
composites
biomedical
applications.
Most
characteristics
degradation
behavior,
biocompatibility
mechanical
these
PLA-based
polymers
were
briefly
discussed.
indicates
that
optimization
processing
techniques
suitable
selection
additives
play
an
role
achieve
desired
PLA.
also
discusses
issues
associated
materials
Nanomaterials,
Год журнала:
2025,
Номер
15(5), С. 356 - 356
Опубликована: Фев. 25, 2025
Cellulose
nanofibers
(CNFs),
cellulose
nanomaterials
(CNMs),
and
cellulose-based
composites
represent
a
convergence
of
material
science,
sustainability,
advanced
engineering,
paving
the
way
for
innovative
eco-friendly
materials.
This
paper
presents
comprehensive
review
these
materials,
encompassing
their
extraction,
preparation
methods,
properties,
applications,
future
directions.
The
manufacturing
CNFs
CNMs
leverages
diverse
techniques-chemical,
mechanical,
enzymatic-with
each
offering
distinct
advantages
in
tailoring
characteristics
to
meet
specific
needs.
Strategies
functionalization
surface
modification
are
detailed,
highlighting
role
enhancing
properties
while
addressing
challenges
scaling
production
industrial
levels.
structural,
thermal,
optical,
electrical,
biocompatibility
CNFs,
CNMs,
explored,
underscoring
versatility
applications
across
various
industries.
Cellulose-based
composites,
particular,
demonstrate
exceptional
tunable
uses,
although
achieving
uniform
dispersion
remains
key
technical
hurdle.
These
materials
have
packaging,
automotive,
aerospace,
biomedical
devices,
energy
storage,
environmental
remediation.
Emerging
research
trends
emphasize
integration
with
technologies,
promoting
sustainable
practices
life
cycle
considerations
advancing
commercialization
potential.
rapidly
evolving
field
holds
immense
promise
global
by
creating
high-performance,
is
crucial
understanding
nanofibers,
nanomaterials,
providing
valuable
insights
that
will
drive
development
sustainable,
high-performance
wide
range
ultimately
challenges.
Polymer-Plastics Technology and Materials,
Год журнала:
2024,
Номер
63(12), С. 1645 - 1681
Опубликована: Май 27, 2024
The
past
few
years
have
witnessed
a
significant
surge
in
research
focused
on
sustainable
food
packaging,
driven
by
consumer
ecological
awareness.
Food
packaging
can
be
categorized
as
functional,
which
requires
resistance
to
oxygen,
water,
and
bacteria,
high-performance,
demands
strong
mechanical
properties.
A
notable
trend
has
resulted
the
emergence
of
green
composites,
due
their
intrinsic
bio-based
biodegradable
nature.
Among
these
there
been
growing
interest
utilizing
poly
(lactic
acid)
(PLA)-based
composites
for
high-performance
particularly
through
incorporation
natural
fibers
reinforcement.
In
parallel,
use
zinc
oxide
(ZnO)
nanofillers
PLA-based
gained
attention
field
functional
packaging.
However,
noteworthy
gap
persists
literature
concerning
materials
demanding
both
properties,
with
combinations
ZnO-functionalizing
fillers
within
PLA
matrix.
This
review
intends
explore
effects
ZnO
films,
well
effectiveness
reinforcements
matrices.
also
emphasizes
need
future
integrating
matrix
active
rigid
