Journal of Molecular Structure,
Journal Year:
2024,
Volume and Issue:
1309, P. 138243 - 138243
Published: April 3, 2024
This
comprehensive
review
is
an
in-depth
analysis
of
polylactic
acid
(PLA),
increasingly
important
biopolymer
due
to
its
wide-ranging
applications
and
sustainability
features.
PLA's
physical,
thermal,
mechanical
properties
are
closely
linked
molecular
distribution,
mass,
stereochemistry,
allowing
it
exist
in
amorphous
or
semicrystalline
states.
The
controlled
polymerization
different
optical
monomers
enables
the
creation
PLA
variants
with
distinct
properties.
To
address
inherent
hardness
limitation,
researchers
exploring
blends
stereo
complexes
like
PLLA/PDLA,
leading
enhanced
thermal
characteristics.
moldability
supports
versatility
various
forms,
from
nanoparticles
resorbable
sutures.
Focusing
on
composite
materials,
delves
into
reinforcement
synthetic
natural
fibers,
micro-
nanoparticles.
incorporation
such
as
wood,
cotton,
carbon-based
synthetics,
significantly
influences
composite's
Additionally,
rise
nanoscale
fillers,
including
clays
nanoparticles,
has
offered
cost-effective
solutions
for
material
performance.
Synthesis
methods
encompass
direct
polycondensation
ring
opening,
latter
preferred
better
control
polymerization.
Furthermore,
highlights
degradation
behavior
polymer
which,
together
biocompatible
eco-friendly
production
methods,
makes
a
potential
biological
applications.
innovative
features,
obtained
by
bibliometric
map
generated
VosViewer
software
Scopus
database,
role
biomedical
field,
particular
tissue
engineering
improving
healing
rates
and,
well
implants
prosthetics.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(28)
Published: April 21, 2023
Abstract
The
conversion
of
waste
plastic
into
high‐value‐added
chemicals
is
regarded
as
a
promising
approach
for
relieving
global
pollution
and
contributing
to
the
circular
economy.
Herein,
partial
calcination
strategy
developed
fabricate
zinc
oxide/UiO66‐NH
2
(ZnO/UiO66‐NH
)
heterojunction,
in
which
ZnO
encapsulated
porous
UiO66‐NH
photocatalytic
valorization
plastic.
This
preserves
framework
structure
,
thus
enabling
formation
with
ultra‐small
size
distributed
inside
skeleton.
synergistic
effect
obtained
ZnO/UiO66‐NH
heterojunction
facilitates
providing
an
efficient
channel
carrier/mass
transfer
guarantees
structural
stability.
As
result,
exhibits
high
activity
converting
polylactic
acid
(PLA)
polyvinyl
chloride
(PVC)
acetic
acid,
coupled
H
production.
work
provides
feasible
rationally
designing
photocatalysts,
well
insight
understanding
process
Giant,
Journal Year:
2024,
Volume and Issue:
18, P. 100261 - 100261
Published: April 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
Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
31, P. 787 - 798
Published: June 13, 2024
This
work
has
developed
advanced
technical
applications
in
clean
production
based
on
a
biocomposite
high-density
polyethylene
(HDPE)
reinforced
cellulosic
Yucca
treculeana
L.
fibers
(YTFs)
from
agriculture
waste
leaves.
Once
the
extraction
was
complete,
were
chemically
treated
with
low
concentration
(3%
for
4
h)
of
sodium
bicarbonate
(NaHCO₃)
to
remove
impurities
their
surface
and
increase
adhesion
capacity.
Furthermore,
this
aimed
understand
how
adding
YTFs
(10%,
20%,
30%)
influences
dynamic
properties
polymer-based
biocomposites.
The
impact
additions
damping
behavior
terms
loss
modulus
(E″),
storage
(E′),
glass
transition
temperature
(Tg),
factor
(tanδ)
YTFs/HDPE
biocomposites
evaluated
at
frequency
1
Hz
using
mechanical
analysis.
In
particular.
According
results,
E′
is
significantly
improved
by
YTFs.
reach
Tg
about
80
°C,
YF30/HDPE
offers
tanδ
0.164,
an
2491
MPa,
E″
223
MPa.
Scanning
electron
microscope
images
reveal
fiber-polymer
interface
that
adheres
firmly
HDPE
matrix.
study
highlights
promising
potential
YF/HDPE
as
sustainable
cost-effective
replacements
conventional
materials
diverse
applications.
Indeed,
given
its
load-bearing
capacity
recyclability,
type
would
be
wise
choice
manufacturing
automotive
interior
trim,
sporting
goods,
eco-friendly
building
materials.
Further
research
development
could
optimize
these
extend
use
various
cleaner
industries.
