ChemBioEng Reviews,
Journal Year:
2023,
Volume and Issue:
10(4), P. 441 - 461
Published: July 20, 2023
Abstract
The
widespread
use
of
plastic
items
and
their
improper
disposal
harms
not
only
physical
environments
but
also
human
health
globally.
Therefore,
a
bioplastic
or
polymer
that
can
completely
vanish
from
the
environment
is
foremost
priority.
Bioplastic
be
manufactured
using
raw
materials
plants,
animals,
microbes.
Polyhydroxyalkaonates
(PHAs)
type
which
naturally
produced
by
microbes
importantly
biodegradable
as
well
biocompostable.
PHA
production
utilizing
commercial
sugars
an
economically
cost‐effective
process.
Due
to
urbanization
industrialization
huge
amount
waste
generated
around
world
its
management
major
environmental
issue.
Urban
wastes
wastewater
treatment
plant,
agro/food‐processing
industries,
dairy
even
household
uses
sustainable
feedstock
for
synthesis
PHAs.
current
status
globe
summarized,
urban
potential
advances
in
technology
reviewed.
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.
Membranes,
Journal Year:
2022,
Volume and Issue:
12(5), P. 500 - 500
Published: May 6, 2022
In
today’s
world,
the
problem
of
“white
pollution”
is
becoming
more
and
serious,
many
countries
have
paid
special
attention
to
this
problem,
it
has
become
one
most
important
tasks
reduce
polymer
waste
protect
environment.
Due
degradability,
safety,
economy
practicality
biodegradable
packaging
film
materials,
materials
a
major
trend
in
industry
replace
traditional
provided
that
performance
requirements
are
met.
This
paper
reviews
degradation
mechanisms
characteristics
such
as
photodegradation,
hydrodegradation,
thermo-oxidative
biodegradation,
focuses
on
research
progress
modification
summarizes
some
challenges
bottlenecks
current
materials.
Polymer Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 15, 2024
Conventional
plastics
pose
significant
environmental
and
health
risks
across
their
life
cycle,
driving
intense
interest
in
sustainable
alternatives.
Among
these,
polyhydroxyalkanoates
(PHAs)
stand
out
for
biocompatibility,
degradation
characteristics,
diverse
applications.
Yet,
challenges
like
production
cost,
scalability,
limited
chemical
variety
hinder
widespread
adoption,
impacting
material
selection
design.
This
review
examines
PHA
research
through
the
lens
of
classical
materials
tetrahedron,
exploring
property-structure-processing-performance
(PSPP)
relationships.
By
analyzing
recent
literature
addressing
current
limitations,
we
gain
valuable
insights
into
development.
Despite
challenges,
remain
optimistic
about
role
PHAs
transitioning
towards
a
circular
plastic
economy,
emphasizing
need
further
to
unlock
full
potential.
