Reviewing the manufacturing challenges and scientific debates: Insights into the antibacterial capabilities and potential applications of PLA/ZnO nanocomposites
Journal of Thermoplastic Composite Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 1, 2024
The
growing
demand
for
antibacterial
materials,
particularly
biomedical
and
packaging
applications,
has
prompted
significant
interest
in
biodegradable
alternatives
to
traditional
plastics.
Among
these,
poly(lactic
acid)
(PLA)
is
a
biocompatible
polymer
that
increasingly
being
recognized
as
promising
matrix
material
the
development
of
functional
nanocomposites.
Notably,
incorporation
zinc
oxide
(ZnO)
nanoparticles
into
PLA
matrices
enhances
their
functionality,
providing
effective
solutions
against
both
Gram-positive
Gram-negative
bacteria.
However,
challenges
persist
manufacturing
PLA/ZnO
nanocomposites,
including
achieving
uniform
nanoparticle
dispersion,
ensuring
interfacial
compatibility,
addressing
scalability
issues
industrial
applications.
Moreover,
ongoing
scientific
debates
regarding
exact
mechanisms
ZnO,
such
reactive
oxygen
species
(ROS)
generation,
physical
disruption
bacterial
membranes,
ion
release,
complicate
efforts
optimize
these
materials.
This
review
summarizes
current
state
research
on
exploring
discussions
mechanisms.
Consequently,
by
identifying
unresolved
questions
consolidating
existing
knowledge,
this
provides
valuable
insights
researchers
engineers
seeking
advance
ultimately
contributing
global
health
environmental
challenges.
Language: Английский
Bioinspired polylactic acid/polyethylene glycol @ silicon dioxide microfibrous tarpaulin with dual-layer heterogeneous structure for enhanced daytime radiative cooling
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
282, P. 136420 - 136420
Published: Oct. 9, 2024
Language: Английский
The Selective Localization of Organic Montmorillonite at the Interface and Its Effects on the Micro-Morphology and Properties of Bio-Based Polylactic Acid/Eucommia Ulmoides Gum (PLA/EUG) Blends
Polymers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 911 - 911
Published: March 28, 2025
Highly
toughened
bio-based
polylactic
acid
(PLA)/Eucommia
ulmoides
gum
(EUG)
blends
were
prepared
using
organic
montmorillonite
(OMMT)
as
a
compatibilizer
through
melt-blending.
Both
the
theoretically
predicted
values
and
experimental
results
confirm
that
majority
of
OMMT's
nanolayers
are
selectively
localized
at
PLA/EUG
interface.
This
localization
leads
to
improved
interfacial
properties
more
refined
morphology
dispersed
EUG
phase.
By
increasing
OMMT
content
from
0
phr
2
phr,
notched
Izod
impact
strength
PLA/EUG/OMMT
(85/15/2)
blend
increases
maximum
value
44.6
kJ/m2.
is
significantly
higher
than
observed
for
neat
PLA
3.8
kJ/m2
(85/15)
4.7
Moreover,
compared
blend,
which
exhibit
poor
tensile
ductility,
indicated
by
their
low
elongation
break,
demonstrates
substantial
improvement
in
its
ductility
when
an
appropriate
amount
added.
It
believed
enhanced
toughness
can
primarily
be
attributed
refinement
uniform
dispersion
domains,
caused
incorporation
OMMT.
In
addition,
crystalline
properties,
thermal
degradation
behavior,
extrudate
swell
behavior
with
without
also
evaluated
detail.
Finally,
prove
containing
exhibits
highest
accompanied
stability
extrusion
stability.
Language: Английский
Advancements in Antimicrobial Textiles: Fabrication, Mechanisms of Action, and Applications
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
Within
the
past
decade,
much
attention
has
been
drawn
to
antimicrobial
textiles
due
their
vast
potential
for
reducing
spread
of
infectious
diseases
and
improving
hygiene
standards
in
various
environments.
This
review
paper
discusses
recent
studies
on
preparation
methods,
modes
action,
effectiveness
against
different
microorganisms,
applications
diverse
industries.
It
examines
further
challenges,
including
durability,
environmental
impact,
regulatory
considerations,
looks
at
prospects
developing
integrating
these
novel
materials.
intends
provide
a
broad-based
understanding
state-of-the-art
technologies
emerging
trends
by
existing
knowledge
highlighting
advances
this
field
that
contribute
improved
public
health
safety.
Language: Английский
Ultraviolet Protection and Antibacterial Properties of Polylactic Acid Nonwoven Fabrics Coated with Water-Borne Polyurethane/Zinc Oxide Composite Coatings
Sakarya University Journal of Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
This
study
aimed
to
create
thermally
curable,
water-borne
polyurethane/zinc
oxide
(WPU/ZnO)
composite
coating
pastes
with
varying
ZnO
concentrations.
nanoparticles
were
synthesized
using
a
wet
chemical
process,
and
the
resulting
WPU/ZnO
applied
PLA
nonwoven
fabrics
(NWFs).
In
characterization
studies,
differential
scanning
calorimetry
(DSC),
electron
microscopy
(SEM),
Fourier
transform-infrared
(FTIR)
spectroscopy,
X-ray
diffraction
(XRD)
analyses
conducted.
Ultraviolet
(UV)
protection
antibacterial
activity
of
investigated.
With
coatings,
UV
properties
coated
enhanced
compared
uncoated
fabric.
The
highest
UPF
value
53.57
was
obtained
fabric
formulation
containing
concentration
10%.
also
demonstrated
more
effective
against
both
S.
aureus
E.
coli
bacteria.
Inhibition
zone
diameters
bacteria
measured
as
15.5
±
0.70
mm
18.25
0.35
mm,
respectively.
results
this
illustrate
that
functional
coatings
for
bio-based
NWF
structures
hold
great
promise
producing
protective
materials,
potentially
setting
stage
future
applications.
Language: Английский