Polymers,
Journal Year:
2024,
Volume and Issue:
16(15), P. 2169 - 2169
Published: July 30, 2024
This
study
showed
that
a
polylactide
(PLA)-based
composite
filled
with
nanostructured
hydroxyapatite
(HAp)
and
natural
extract
from
the
rhizome
of
Curcuma
longa
L.
could
provide
an
alternative
to
commonly
used
fossil-based
plasticsfor
food
packaging.
The
incorporation
HAp
into
PLA
matrix
had
positive
effect
on
improving
selected
properties
composites;
beneficial
be
enhanced
by
introducing
green
modifier
in
form
extract.
Prior
fabrication
composite,
filler
was
characterized
terms
morphology
composition,
then
fully
scanning
electron
microscopy
(SEM),
atomic
force
(AFM),
Raman
Fourier
transform
infrared
spectroscopy
(FT-IR),
mechanical,
thermal,
thermomechanical,
optical
were
investigated.
proposed
material
exhibits
antioxidant
against
DPPH
radicals
antibacterial
performance
Escherichia
coli
(E.
coli).
results
nanocomposite
has
highest
for
10
wt%
average
diameter
rod-shaped
structures
below
100
nm.
In
addition,
introduction
turmeric
tensile
strength
nanocomposites
containing
1
5%
HAp.
As
resulting
adsorbs
light
specific
wavelength
range,
it
can
medical
sector,
food-packaging,
or
coatings.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
ABSTRACT
Thermoplastic
polyurethanes
(TPUs)
serve
as
versatile
materials
bridging
rubbers
and
plastics,
increasingly
replacing
conventional
polymeric
in
lightweight,
cost‐effective,
high‐performance
applications.
Plasticizers
are
very
useful
for
tailoring
TPU
properties
to
meet
application‐specific
requirements.
This
study
investigates
the
plasticization
of
a
polyether‐based
using
plasticizers
with
different
chemical
structures,
including
benzoate‐
phosphate‐based
types,
alongside
bio‐based
alternative
move
toward
greener
more
sustainable
scenarios.
Thermal
mechanical
assessments
revealed
that
low
molecular
weight
benzoate
provided
optimal
performance
volatility,
offering
viable
substitute
industry‐standard
plasticizer.
Conversely,
high
benzoates
flame‐retardant
exhibited
reduced
efficacy.
The
plasticizer
demonstrated
promising
potential
at
concentrations
below
30%,
although
saturation
effects
limited
its
higher
dosages.
These
findings
highlight
critical
role
selection
optimization
achieving
targeted
properties,
implications
material
development
industrial
Microplastics,
Journal Year:
2025,
Volume and Issue:
4(2), P. 16 - 16
Published: April 7, 2025
Nanoplastics
and
microplastics
in
agricultural
systems
have
raised
significant
concerns
due
to
their
effects
on
plant
health
potential
risks
human
consumption.
This
review
examined
these
pollutants’
origins,
behavior,
impacts
environments,
emphasizing
primary
contamination
pathways,
such
as
irrigation,
plastic
mulching,
sewage
sludge
application.
It
explored
the
transport,
accumulation,
interactions
of
particles
soil,
including
ability
adsorb
other
contaminants
like
pesticides
heavy
metals.
The
physiology
toxicity
were
highlighted,
along
with
implications
for
food
quality
safety.
Chronic
exposure
pollutants
through
chain
posed
notable
humans,
urgency
addressing
this
issue.
Research
gaps,
toxicokinetics
nanoplastics
plants
identified,
underscoring
need
further
investigation.
also
presented
mitigation
strategies,
improved
waste
management
development
sustainable
practices.
Materials,
Journal Year:
2024,
Volume and Issue:
17(3), P. 599 - 599
Published: Jan. 26, 2024
Ceramic
fiber
thread
is
one
of
the
key
components
in
flexible
external
thermal
insulation
blankets,
and
it
has
been
applied
various
fields
as
a
ceramic
fibrous
material
with
excellent
deformability
high-temperature
resistance.
However,
threads
are
often
subjected
to
reciprocating
friction
motion
at
specific
bending
angles,
making
them
highly
susceptible
abrade
fracture.
Enhancing
abrasion
resistance
performance
under
conditions
future
trend
remains
significant
challenge.
Hence,
we
design
construct
novel
polyurethane-modified
coating
on
improve
their
performance.
The
effects
types
concentrations
modifiers
microstructure,
property,
tensile
property
systematically
investigated.
threads,
after
modification
hexamethylene
diisocyanate
waterborne
polyurethane
(HDI-WPU)
concentration
3%,
exhibit
properties.
number
cycles
fracture
modified
more
than
three
times,
strength
half
that
original
thread,
demonstrating
great
potential
HDI-WPU
modifier
for
enhancing
threads.
Journal of Hazardous Materials,
Journal Year:
2024,
Volume and Issue:
476, P. 135042 - 135042
Published: June 28, 2024
Tires
are
a
major
source
of
synthetic
and
natural
rubber
particles,
metals
organic
compounds,
in
which
several
compounds
linked
to
negative
environmental
impact.
Recent
advances
material
technology,
coupled
with
focus
on
sustainability,
have
introduced
new
range
tires,
sold
as
"green,
sustainable,
eco-friendly".
Although
these
"green"
tires
may
lower
impact
the
environment
global
scale,
there
is
no
current
knowledge
about
chemical
composition
whether
they
more
eco-friendly
when
considering
release
tire
wear
particles
or
tire-associated
chemicals.
Here
we
investigated
nine
vehicle
one
bike
seven
"conventional"
tires.
No
significant
difference
was
found
between
tested
this
study.
For
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine
(6PPD),
average
concentration
were
higher
(16
±
7.8
µg/mg)
compared
(8.7
4.5
µg/mg).
The
relationship
metals,
selected
rubbers
demonstrated
large
variation
across
brands,
variability
grouped
according
their
seasonal
use.
This
study
indicates
that
work
needed
understand
how
shift
towards
sustainable
might
change
Water,
Journal Year:
2024,
Volume and Issue:
16(18), P. 2637 - 2637
Published: Sept. 17, 2024
Microplastics
(MPs)
persist
for
long
periods
in
the
environment,
causing
adverse
effects
on
aquatic
and
terrestrial
ecosystems.
The
accumulation
of
MPs
various
trophic
levels
mostly
depends
weathering
phenomena,
their
reduced
dimensions
improved
bioavailability;
this
ultimately
causes
ingestion
by
organisms
living
different
niches.
modern
concern
about
toxicity
collides
with
current
unavailability
standardized
reliable
methodologies
to
assess
risks
associated
exposure
from
habitats.
Hence,
identification
selection
appropriate
biomonitors
pollution
risk
assessment
should
focus
easy-to-implement
assays,
rapidly
interpretable
results
(e.g.,
based
bioaccumulation
capabilities
tissues)
standardizable
methodologies.
present
review
analyzed
some
emerging
exploited
evaluation,
selected
examined
according
potential
use
as
specific
biological
indicators
diverse
environments.
research
was
focused
plants,
models
airborne
microfibers
evaluation;
mussels,
key
establishment
marine
environments;
land
snails,
representing
studies
MPs’
impact
soil.
Furthermore,
recent
findings
evidenced
influence
microplastics
composition
environmental
microbiota,
enhancing
pathogenic
biofilms
formation,
leading
increased
water,
soil,
food,
crops
waste
contamination.
Disposing
harmonized
validated
methods
study
integrated
promising
machine
learning
tools,
might
sensibly
support
management
strategies
protecting
human
animal
health.
ACS Polymers Au,
Journal Year:
2024,
Volume and Issue:
4(6), P. 527 - 539
Published: Oct. 28, 2024
Coating
materials
involving
nature-inspired
compounds
or
renewable
sources
have
recently
attracted
vast
attention.
This
article
presents
the
synthesis
of
modified
rapeseed
oil
(MRO)
as
a
precursor
possessing
high
biobased
carbon
content
suitable
for
cured
thermosets
formation.
Two
reactive
diluents
based
on
sources,
methacrylated
methyl
3-hydroxybutyrate
(M3HBMMA)
and
ethyl
(E3HBMMA),
were
successfully
synthesized.
Lastly,
isosorbide
monomethacrylate
(MISD)
was
suggested
produced
polarity
modifier
miscible
with
curable
systems
capable
increasing
thermoset
surface
energy.
All
synthesized
structurally
analyzed
via
NMR,
ESI-MS,
FTIR.
The
characterized
substances
coated
paper,
stainless
steel,
beech
wood
to
investigate
their
suitability
forming
thin
layers.
paper
dip
coating
verified
diluting
properties
M3HBMMA,
resulting
in
average
formed
deviation
decrease
(87.5%
undiluted
MRO
28.0%
50
wt
%
M3HBMMA
containing
MRO).
Also,
additional
weight
decreased
from
350
69
same
systems.
standardized
bend
test
applied
steel
specimens
revealed
thermoset's
flexibility
adhesion
increase
12
±
2°
bending
angle
100%
pure
121
measured
40
E3HBMMA
MRO-based
thermoset.
samples
underwent
cross-hatch
investigating
substrate's
quality.
reached
level
1
rating
(second
worst),
while
system
MISD
obtained
5
(the
best).
Polymers,
Journal Year:
2024,
Volume and Issue:
16(5), P. 615 - 615
Published: Feb. 23, 2024
Using
the
linear
elastic
finite
element
method,
we
investigated
how
defects
significantly
influence
integrity
of
3D-printed
parts
made
from
biodegradable
material
by
experimental
techniques
and
numerical
simulations.
A
defective
flaw
was
incorporated
into
tensile
test
dog-bone
sample
using
Computer-Aided
Design
processed
slicing
software.
Three
distinct
raster
angles
examine
two
sets
samples,
one
featuring
intact
specimens
other
with
introduced
defects.
An
open-source
3D
printer
used
to
fabricate
both
utilizing
PLA
material.
In
analysis,
employed
a
highly
detailed
model
that
precisely
accounted
for
geometry
dimensions
extruded
filament,
accurately
replicating
actual
configuration
samples
an
extent.
Our
study
involved
thorough
comparative
analysis
between
results
FEA
findings
uncovered
consistent
trend
under
load.
Specifically,
in
case,
zero-degree
orientation
presented
highest
resistance
failure
displayed
minimal
elongation.
Remarkably,
these
conclusions
paralleled
our
observations
as
well.
Finite
revealed
stresses,
including
Principal,
Max
shear,
Von
Mises,
were
remarkably
higher
at
samples’
outer
surface
than
inner
layers,
reflecting
starts
since
they
exceeded
theoretical
values,
indicating
significant
discrepancy
simulated
anticipated
values.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(7), P. 1498 - 1498
Published: March 27, 2024
Polymer
research
is
currently
focused
on
sustainable
and
degradable
polymers
which
are
cheap,
easy
to
synthesize,
environmentally
friendly.
Silicon-based
thermally
stable
can
be
utilized
in
various
applications,
such
as
columns
coatings.
Poly(silyl
ether)s
(PSEs)
an
interesting
class
of
silicon-based
that
easily
hydrolyzed
either
acidic
or
basic
conditions
due
the
presence
silyl
ether
Si-O-C
bond.
Synthetically,
these
formed
several
different
ways,
most
effective
friendly
synthesis
dehydrogenative
cross
coupling,
where
byproduct
H
