ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Homeostatic
microfiber
leathers
with
temperature
self-regulation
promise
broad
applications,
ranging
from
the
apparel
and
automotive
interior
industries
to
home
furnishing
healthcare
industries.
Temperature
is
achieved
by
phase-change
materials
containing
microcapsules
introduced
within
leathers.
The
introduction
of
phase
change
(PCMs)
into
leather
faces
two
formidable
challenges:
(1)
shell
must
remain
chemically
stable
against
alkalis
organic
solvents;
(2)
PCMs
possess
ability
reduce
supercooling
during
which
latent
heat
released,
allowing
for
precise
controllable
release
heat.
Here
we
present
a
high-performance
homeostatic
microfiber-composed
synthetic
that
can
address
these
challenges,
not
only
demonstrate
exceptional
chemical
robustness
under
alkaline
conditions
but
also
offer
efficient
control
over
fluctuation
reducing
supercooling.
Titanium
carbide
(TiC)
known
its
high
thermal
conductivity
alkali
resistance
has
been
selected
as
material
microcapsules,
effectively
resolve
stability
issues.
Meanwhile,
TiC
be
leveraged
enhance
heterogeneous
nucleation,
thus
narrowing
range
release.
resultant
shows
outstanding
capabilities
adjustable
energy
storage.
Our
studies
an
effective
approach
create
undercooling
self-regulation,
would
useful
in
fields
textile,
biomedical,
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(3), С. 4013 - 4023
Опубликована: Янв. 8, 2024
Electrical
anisotropy,
which
is
characterized
by
the
efficient
transmission
of
electrical
signals
in
specific
directions,
prevalent
both
natural
and
engineered
systems.
However,
traditional
anisotropically
conductive
materials
are
often
rigid
dry,
thus
limiting
their
utility
applications
aiming
for
seamless
integration
various
technologies
with
biological
tissues.
In
present
study,
we
introduce
a
method
precisely
controlling
microstructures
insulating
polymers
to
create
highly
composite
hydrogels.
Our
methodology
involves
combining
aligned
poly(vinyl
alcohol)
microfibrils,
infused
poly(3,4-ethylenedioxythiophene)
polystyrenesulfonate,
sodium
citrate
precipitation
form
dense,
paths.
This
significantly
enhances
conductivity
anisotropy
(σ∥/σ⊥
≈
60.8)
within
these
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(7), С. 7883 - 7895
Опубликована: Март 20, 2024
The
development
of
a
green
and
environmentally
friendly
photocatalytic
multifunctional
coating
in
the
field
architectural
coatings
is
crucial.
To
this
end,
simple
hydrothermal
method
was
constructed
for
growth
MoS2
situ
on
modified
MoO3,
with
full-spectrum
elimination
bacterial
formaldehyde,
using
waste
bioresource
eggshells
as
substrate
MoO3@MoS2
photocatalyst.
prepared
has
an
excellent
antibacterial
effect
Gram-positive
bacteria
represented
by
S.
aureus
Gram-negative
E.
coli
also
significant
effectiveness
formaldehyde.
generates
electron–hole
pairs,
formation
S-heterojunctions
demonstrated
XPS
under
xenon
lamp
(0.28
W/cm2)
irradiation
increases
photogenerated
pair
separation
improves
performance
coating.
Combining
photothermal
increased
specific
surface
area
discarded
to
enhance
adsorption
properties,
showed
almost
99.9%
antimicrobial
resistance
against
within
10
min.
At
same
time,
rate
high
concentrations
formaldehyde
about
92.5%
30
This
offers
promising
strategy
secondary
use
bioresources
coatings.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(9), С. 10168 - 10181
Опубликована: Апрель 24, 2024
Developing
nanomaterial-based
leather
chemicals
with
multifunctional
smart
properties
and
biocompatibility
for
crafting
high-quality
products
poses
a
significant
challenge.
The
double
layer
formation
of
silica
an
amine
vinyl
sulfone
terminal
created
metal-free
robust
oil
deliverable
nanocapsules
(Si–O
Si-OVS).
hydroamination
yielded
distinctive
flower-like
structure
within
core–shell
model.
This
model
encompasses
silica–oil
core
surrounded
by
shell
incorporating
sulfone.
intricate
synthesis
results
in
the
encapsulation
larger
quantity
oil,
making
it
suitable
to
serve
as
softening
agent
applications.
Two
capsule
types
were
developed:
one
low
content
terminals
collagen
stabilization
another
high
lubrication.
efficacy
Si–O
Si-OVS
has
been
demonstrated
through
their
application
processing,
revealing
noteworthy
improvements
over
conventional
organic
(conventional
tanning)
metal-based
tanning
agents.
treated
exhibits
enhanced
tensile
strength,
tear
resistance,
softness.
enhancement
is
attributed
chemical
bonds
between
carboxyl
groups
present
fibers
instead
electrostatic
interactions.
Additionally,
cytotoxicity
evaluated,
no
toxicity
toward
fibroblast
cell
line
confirming
biocompatible
nature
prepared
nanocapsules.
oil-deliverable
address
challenges
process,
enabling
delivery
into
three-dimensional
matrix,
thereby
contributing
production
leather.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 14, 2025
Formaldehyde
(HCHO)
has
become
a
significant
indoor
air
pollutant,
arising
from
the
widespread
use
of
decorative
and
construction
materials.
Adsorption
is
most
convenient
method
for
HCHO
removal.
However,
current
adsorption
limited
by
low
capacity
desorption.
Herein,
activated
alumina
(γ-Al2O3)
loaded
with
permanganate
was
proposed
efficient
oxidative
removal
HCHO.
The
results
demonstrate
that
permanganate-containing
alumina-based
pellets
(PAP)
75%
(PAP-75)
displayed
highest
10,800
μg
g–1.
This
high
mainly
attributed
to
presence
numerous
pore
structures
within
pellets,
good
dispersion
on
surface
inside
spheres,
abundant
surface-active
sites,
porosity.
kinetics
explains
chemisorption,
intraparticle
diffusion,
film
diffusion
are
primary
rate-controlling
steps.
study
provides
an
effective
strategy
further
improving
materials
