Journal of Polymers and the Environment,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
Abstract
ACETEM
(E472a)
and
CITREM
(E472c)
are
fatty
acid
esters
used
as
additives
in
the
food
industry
to
improve
quality,
stability
sensory
properties
of
products
due
their
emulsifying,
stabilizing
properties,
antioxidant
antimicrobial
activities.
Herein,
we
have
explored
use
active
plasticizers
one
most
biobased
polymers,
polylactic
(PLA).
Initially,
different
CITREMs
(LR10,
SP70,
RO
VEG)
(SOFT-NSAFE),
with
a
variety
compositions
physical
states
at
room
temperature,
were
characterized.
The
studied
demonstrate
good
thermal
moderate
properties.
Subsequently,
PLA
films
containing
10%
tested
prepared
by
melt
extrusion
posterior
compression
molding.
obtained
analyzed
characterization
techniques
evaluate
role
plasticizers.
Raman
confocal
microscopy
showed
that
SOFT-NSAFE
is
homogeneously
distributed
films,
whereas
form
microdomains
immiscibility
PLA.
incorporation
these
decreases
tensile
strength,
Young’s
modulus
glass
transition
temperature.
However,
only
CITREM-LR10
able
significantly
enhance
elongation
break
up
42%,
orientation
along
cracks
formed
during
test.
Additionally,
provides
being
LR10,
SP70
impart
higher
activity.
In
terms
activity,
effectiveness
against
S.
aureus
,
while
was
L.
innocua
bacteria.
These
results
open
possibility
such
for
applications
packaging.
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(1)
Опубликована: Янв. 1, 2024
Abstract
In
this
study,
a
microcrystalline
cellulosic
biopolymer
(MCB)
made
from
Pisum
Sativum
(green
pea)
pod
waste
via
modified
thermo‐chemical
process,
and
Crotalaria
juncea
(sunn
hemp)
fibre
was
used
to
create
environment‐friendly
polyester
composites.
The
main
objective
synthesise
the
MCB
domestic
characterize
how
addition
of
hemp
alters
strength
polymeric
composite.
synthesized
using
green
pea
pods.
sunn
fibres
were
in
mat
form
study.
composites
hand
layup
method
post‐cured
at
110°C
for
2
h.
results
showed
that
increased
mechanical
properties.
Similarly,
highest
observed
fatigue
life
count
composite
designated
PSC3
(2.0
vol.%
MCB)
30862
30%
ultimate
tensile
stress.
had
maximum
penetration
resistance
with
an
absorbed
energy
14.2
J.
Moreover,
silane‐treated
cellulose
provided
improved
storage
modulus
6.8
GPa
composite,
confirming
fibre‐matrix
interaction
toughness.
scanning
electron
microscope
images
revealed
correlation.
These
eco‐friendly
better
load‐bearing
capabilities
could
be
preferred
automated
door
panels,
defence
toolboxes,
home
interior
decoration
applications.
