Polymers,
Journal Year:
2025,
Volume and Issue:
17(3), P. 398 - 398
Published: Feb. 2, 2025
Microwave-assisted
synthesis
presents
a
promising
method
for
enhancing
the
formation
of
nanocomposites
due
to
its
rapid
heating
and
uniform
energy
distribution.
In
this
study,
we
successfully
fabricated
polyethersulfone–zinc-oxide
(PES-ZnO)
nanocomposite
membranes
by
exposing
PES/ZnCl2/DMF
dope
solutions
microwave
radiation.
Before
synthesizing
membranes,
zinc-oxide
nanoparticles
(ZnO-NPs)
were
optimized
in
an
organic
phase
using
radiation
ensure
effective
nanoparticle
formation.
The
ZnO-NPs
DMF
solvent
was
validated
through
UV–Vis
spectroscopy,
X-ray
diffraction
(XRD),
Dynamic
Light
Scattering
(DLS).
We
examined
surface
morphology
roughness
PES-ZnO
Atomic
Force
Microscopy
(AFM)
Scanning
Electron
(SEM).
Moreover,
assessed
membranes’
hydrophilicity,
permeability,
physicochemical
properties
contact-angle
measurements,
pure
water
flux
tests,
uptake
assessments,
porosity
tests.
Energy-dispersive
spectroscopy
(EDS)
(XRD)
verified
successful
integration
ZnO
into
membrane
matrix.
results
indicate
that
including
significantly
improves
membrane’s
permeability
hydrophilicity.
exhibited
high
dye
rejection
efficiency,
with
facilitating
photocatalytic
self-cleaning
properties.
Antibacterial
tests
also
demonstrated
substantial
inhibition
common
bacteria,
suggesting
enhanced
resistance
biofouling.
This
research
highlights
potential
microwave-assisted
as
sustainable
wastewater
treatment,
offering
scalable
applications
along
added
benefits
antifouling,
self-cleaning,
antibacterial
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(19)
Published: Feb. 17, 2022
Reversible-deactivation
radical
polymerizations
(RDRPs)
have
revolutionized
synthetic
polymer
chemistry.
Nowadays,
RDRPs
facilitate
design
and
preparation
of
materials
with
controlled
architecture,
composition,
functionality.
Atom
transfer
polymerization
(ATRP)
has
evolved
beyond
traditional
field,
enabling
synthesis
organic-inorganic
hybrids,
bioconjugates,
advanced
polymers
for
electronics,
energy,
environmentally
relevant
polymeric
broad
applications
in
various
fields.
This
review
focuses
on
the
relation
between
ATRP
technology
12
principles
green
chemistry,
which
are
paramount
guidelines
sustainable
research
implementation.
The
features
presented,
discussing
environmental
and/or
health
issues
challenges
that
remain
to
be
overcome.
Key
discoveries
recent
developments
highlighted,
while
providing
a
perspective
future
opportunities
this
area.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(6), P. 8093 - 8104
Published: Feb. 2, 2023
In
order
to
efficiently
exploit
solar-thermal
energy,
it
is
essential
develop
form-stable
phase-change
material
(PCM)
composites
simultaneously
with
superior
storage
efficiency,
excellent
flame
retardancy,
and
improved
thermal
conductivity.
Herein,
phytic
acid
(PA)-modified,
zinc
oxide-deposited,
surface-carbonized
delignified
woods
(PZCDWs)
were
constructed
by
alkaline
boiling,
PA
modification,
ZnO
deposition,
surface
carbonization.
Then,
novel
PCMs
(PZPCMs)
conductivity
fabricated
impregnating
n-docosane
into
PZCDWs
under
vacuum.
The
PZCDW
aerogels
can
well
support
the
overcome
liquid
leakage
owing
their
tension
strong
capillary
force.
Differential
scanning
calorimetry
results
showed
that
PZPCMs
possessed
encapsulation
yield
high
enthalpy
(185.2-213.1
J/g).
Decorating
wood
carbonization
deposition
significantly
conversion
efficiency
(up
86.2%)
(193.3%
increased)
of
PCM
composites.
Furthermore,
introduction
PZPCMs,
peak
heat
release
rate
total
decreased
considerably,
indicating
enhanced
retardancy
PZPCMs.
conclusion,
renewable
wood-based
demonstrate
promising
potential
in
solar
energy
harnessing
modulation
technologies.
European Polymer Journal,
Journal Year:
2024,
Volume and Issue:
211, P. 113001 - 113001
Published: March 30, 2024
Atom
transfer
radical
polymerization
(ATRP)
is
one
of
the
most
often
used
controlled
techniques.
It
employs
very
small
amounts
(ppm)
Cu
complexes
in
presence
various
chemical
reducing
agents
but
also
external
stimuli
such
as
light,
electrical
current
or
mechanical
forces.
can
be
carried
out
bulk,
solution,
and
dispersed
media.
ATRP
has
been
successfully
to
prepare
polymers
with
architecture
well-defined
topology,
composition,
functionality,
well
bioconjugates
organic–inorganic
hybrids.
This
article
summarizes
status
an
outlook
for
ATRP.
Journal of Natural Fibers,
Journal Year:
2024,
Volume and Issue:
21(1)
Published: June 1, 2024
Natural
fiber-reinforced
composites
have
gained
significant
popularity
owing
to
their
lightweight
nature,
low
environmental
impact,
favorable
specific
properties,
and
cost-effectiveness.
However,
these
often
lack
sufficient
mechanical
strength,
thermal
resistance,
water
repellence,
antibacterial
performance,
limiting
applicability
in
a
variety
of
fields.
To
address
limitations,
researchers
recently
investigated
the
incorporation
ZnO
nanofillers
into
polymeric
matrix
natural-fiber-reinforced
composites.
Nevertheless,
there
is
gap
current
literature
regarding
review
on
utilization
nanoparticles
as
fillers
materials
improve
performance
Therefore,
this
discusses
recent
advancements
incorporating
natural
fiber
composites,
with
an
emphasis
how
affect
mechanical,
water,
thermal,
properties
This
explores
methods
for
matrix,
including
solution
melt
mixing,
influence
surface
modification
mitigating
agglomeration
issues.
The
potential
applications
future
perspectives
nanofiller-reinforced
automotive,
construction,
packaging
industries
are
also
discussed.
Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(10), P. 105171 - 105171
Published: July 20, 2023
Polymer-based
energy
storage
has
recently
attracted
the
attention
of
researchers.
Herein,
sol-gel
prepared
zinc
oxide
nanoparticles
(ZnO
NPs),
as
nanofiller
up
to
5
wt.%
filling
levels
and
a
host
polymeric
blend
matrix
polyvinyl
chloride
(PVC)
poly
(N-vinyl
carbazole)
(PVK)
were
taken
synthesize
nanocomposite
films
via
solution
casting.
The
ratio
PVC:
PVK
was
90:10
wt.%.
X-ray
diffraction
(XRD)
results
indicated
that
films'
crystallinity
decreased
ZnO
NPs
content
increased;
it
from
54.23
22.14
%.
scanning
electron
microscope
(SEM)
micrographs
revealed
good
miscibility
PVC/PVK
homogeneous
distribution
within
matrix.
thermal
stability
nanocomposites
studied
through
TGA
technique,
activation
calculated
using
Coats-Redfern
method.
In
optical
results,
absorption
spectra
gap
for
allowed
direct
transition
reduced
under
adding
NPs;
3.61
eV
pure
2.96
film
with
AC
conductivity
experiments
electrical/dielectric
properties
get
enhanced
by
increasing
content.
Following
incorporation
NPs,
electrical
(σac),
dc
(σdc),
dielectric
constant
(ε′),
loss
(ε′′)
values
PVC/PVK/ZnO
improved;
σdc
increased
6.46×10-16
S/cm
3.63×10-13
Additionally,
both
ε′
ε′′
while
These
findings
could
suggest
be
promise
applications
polymer-based
capacitors.
Neuromorphic Computing and Engineering,
Journal Year:
2024,
Volume and Issue:
4(1), P. 014007 - 014007
Published: Feb. 20, 2024
Abstract
We
are
studying
the
remarkable
electrical
properties
of
Proteinoids-ZnO
microspheres
with
aim
exploring
their
potential
for
a
new
form
computing.
Our
research
has
revealed
that
these
exhibit
behavior
similar
to
neurons,
generating
spikes
resemble
action
potentials.
Through
our
investigations,
we
have
studied
underlying
mechanism
behind
this
activity
and
proposed
arise
from
oscillations
between
degradation
reorganization
proteinoid
molecules
on
surface
ZnO.
These
findings
offer
valuable
insights
into
use
colloids
in
unconventional
computing
development
novel
neuromorphic
liquid
circuits.