Heliyon,
Год журнала:
2023,
Номер
9(5), С. e15792 - e15792
Опубликована: Апрель 26, 2023
There
is
a
great
demand
to
replace
non-renewable
materials
with
eco-friendly
renewable
for
many
applications
in
recent
times.
In
the
present
study,
such
an
attempt
was
made
substitute
synthetic
polymer-based
films
used
food
packaging
prepared
out
of
derived
from
waste.
The
pectin/polyvinyl
alcohol
(PP)
and
pectin-MgO/polyvinyl
(PMP)
were
characterized
ascertain
their
suitability
applications.
To
improve
mechanical
strength
thermal
stability
films,
MgO
nanoparticles
incorporated
situ
into
polymer
matrix.
pectin
study
extracted
citrus
fruit
peel.
nanocomposite
evaluated
physico-mechanical
properties,
water
contact
angle,
stability,
crystallinity,
morphology,
compositional
purity
biodegradability.
elongation
at
break
PP
film
42.24%
PMP
it
39.18%.
Also,
ultimate
modulus
terms
MPa
6.8
7.9.
So,
found
that
have
better
ductility
than
due
presence
nanoparticles.
spectral
studies
confirmed
films.
biodegradation
revealed
both
could
be
degraded
ambient
conditions
appreciable
time
span,
suggesting
them
choice
as
environmentally
friendly
material.
Food Bioengineering,
Год журнала:
2024,
Номер
3(2), С. 189 - 209
Опубликована: Июнь 1, 2024
Abstract
As
society
advances,
the
demand
for
innovative
and
sustainable
food
processing
techniques
materials
has
grown
significantly.
The
industry,
especially
packaging
sector,
faces
challenge
of
developing
cost‐effective
to
meet
consumers'
increasing
demands.
One
promising
solution
this
is
use
biodegradable
polymers
such
as
polyvinyl
alcohol
(PVA),
but
standalone
PVA
cannot
required
properties
materials.
nanocellulose
(NC)
fillers
been
intensively
studied
recently.
This
review
article
provides
a
comprehensive
overview
existing
studies
focusing
on
preparation
PVA/NC
composite
films
applications.
effects
NC
loading
physico‐mechanical
these
films,
including
tensile
strength,
elongation,
water
absorption/swelling
behavior,
barrier
properties,
optical
have
thoroughly
examined.
Overall,
general
findings
suggest
that
reinforcement
in
polymer
matrix
leads
improvements
films'
properties.
Specifically,
addition
enhances
reduces
O
2
,
CO
vapor
transmission
rates,
decreases
propensity
absorb
moisture
or
swell
under
wet
conditions.
However,
it
important
note
presence
compromises
by
reducing
transparency,
content
beyond
threshold
level
feasibility
film.
By
synthesizing
findings,
underscores
potential
Moving
forward,
further
research
efforts
are
warranted
optimize
formulation
strike
balance
between
mechanical
strength
clarity,
thus
advancing
their
practical
utility
industry.
