ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 10805 - 10817
Published: April 24, 2024
It
remains
a
huge
challenge
to
clean
leaks
of
oil
and
various
organic
solvents
quickly
efficiently,
especially
for
special
conditions
such
as
high-viscosity
oils,
corrosion
from
acid/alkali
solutions,
high-temperature
damage,
fire
risk.
The
adsorbents
with
three-dimensional
porous
structure
excellent
resilience
have
been
recognized
prospective
candidates
dealing
oil–water
separation
problems.
In
this
study,
solar
responsive
multifunctional
polyurethane
foams
were
successfully
fabricated
by
compounding
photothermal
hydrophobic
components
both
internal
external
means.
Due
the
interface
adhesion,
polydopamine/MXene
nanosheet/polyaniline/polydimethylsiloxane
(PMPP–PU)
prepared
introducing
PDA/MXene
nanoparticles
phytic
acid
(PA)/PANI
micronano
coatings
exhibited
high
adsorption
capacity
up
61.4
g/g
different
kinds
low-viscosity
solvents.
Driven
1
kW/m2
illumination
intensity,
PMPP–PU
increased
29.4
g/g,
realizing
203%
rise
compared
pure
PU.
Also,
modified
achieved
rapid
extrusion
cyclic
adsorbed
solvents,
showed
an
efficiency
close
90%
after
20
cycles.
Besides,
adsorbent
remained
persistent
maintained
stable
hydrophobicity
under
extreme
environmental
not
significantly
damaged
even
attack.
This
work
presents
competitive
strategy
recovery
oils.
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(11), P. 17389 - 17397
Published: March 5, 2025
Cyclodextrins
(CDs),
a
low-polysaccharide
class,
possess
hydrophilic
outer
surface
due
to
their
hydroxyl
groups,
which
can
be
functionalized
for
various
applications.
In
this
study,
the
groups
on
β-cyclodextrin
were
with
acrylates
(CD-A)
and
subsequently
used
as
cross-linker
in
copolymerization
acrylamide
form
polyacrylamide-cyclodextrin
hydrogel
(PAC).
Compared
polyacrylamide
(PAM),
PAC
exhibited
enhanced
water
absorption
abilities
mechanical
strength.
Inspired
by
fish
scales'
structural
properties,
microporous
stainless
steel
meshes
coated
PAC,
we
could
demonstrate
an
excellent
oil-water
separation
superhydrophilicity
underwater
superoleophobicity.
The
mesh
effectively
separated
mixtures
using
gravity
filtration,
achieving
efficiencies
of
over
99%.
Repeated
use
different
oil
types
confirmed
durability
effectiveness
hydrogel-coated
practical
applications
separation.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 10805 - 10817
Published: April 24, 2024
It
remains
a
huge
challenge
to
clean
leaks
of
oil
and
various
organic
solvents
quickly
efficiently,
especially
for
special
conditions
such
as
high-viscosity
oils,
corrosion
from
acid/alkali
solutions,
high-temperature
damage,
fire
risk.
The
adsorbents
with
three-dimensional
porous
structure
excellent
resilience
have
been
recognized
prospective
candidates
dealing
oil–water
separation
problems.
In
this
study,
solar
responsive
multifunctional
polyurethane
foams
were
successfully
fabricated
by
compounding
photothermal
hydrophobic
components
both
internal
external
means.
Due
the
interface
adhesion,
polydopamine/MXene
nanosheet/polyaniline/polydimethylsiloxane
(PMPP–PU)
prepared
introducing
PDA/MXene
nanoparticles
phytic
acid
(PA)/PANI
micronano
coatings
exhibited
high
adsorption
capacity
up
61.4
g/g
different
kinds
low-viscosity
solvents.
Driven
1
kW/m2
illumination
intensity,
PMPP–PU
increased
29.4
g/g,
realizing
203%
rise
compared
pure
PU.
Also,
modified
achieved
rapid
extrusion
cyclic
adsorbed
solvents,
showed
an
efficiency
close
90%
after
20
cycles.
Besides,
adsorbent
remained
persistent
maintained
stable
hydrophobicity
under
extreme
environmental
not
significantly
damaged
even
attack.
This
work
presents
competitive
strategy
recovery
oils.
