Polymers,
Journal Year:
2024,
Volume and Issue:
17(1), P. 29 - 29
Published: Dec. 26, 2024
Polymers
exhibiting
ion-conduction
capabilities
are
essential
components
of
water-purifying
devices.
These
polymers
not
only
transport
selective
ions
but
also
mechanically
robust;
thus,
they
can
be
processed
as
membranes.
In
this
review,
we
highlight
major
acidic
and
their
engineered
morphologies
optimized
properties,
including
metal
selectivity
water
permeation
or
retention.
Crucial
phenomena,
such
self-assembly
in
acid-group-functionalized
for
driving
transportation,
discussed.
It
was
observed
that
the
phosphonic
acid
groups
containing
rather
suitable
adsorption
toxic
metals,
superior
to
sulfonated
counterparts.
Additionally,
due
amphoteric
nature,
phosphonated
displayed
several
modes
complexations,
which
makes
them
appropriate
eliminating
a
wide
range
metals.
Further
observation
indicates
aromatic-acid-functionalized
more
durable.
Temperature-
pH-responsive
were
found
promising
candidates
controlled
water-treatment
process.
Nevertheless,
considering
morphology,
retention,
adsorption,
acid-functionalized
polymers,
especially
ones,
have
potential
remain
materials
choice
after
additional
advancements.
perspectives
regarding
improvements
fabricated
membranes
treatment
presented.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 14, 2024
Abstract
Considering
the
potential
threats
posed
by
oily
wastewater
to
ecosystem,
it
is
urgently
in
demand
develop
efficient,
eco‐friendly,
and
intelligent
oil/water
separation
materials
enhance
safety
of
water
environment.
Herein,
an
hydrogel‐coated
wood
(PPT/PPy@DW)
membrane
with
self‐healing,
self‐cleaning,
oil
pollution
detection
performances
fabricated
for
controllable
oil‐in‐water
(O/W)
emulsions
water‐in‐oil
(W/O)
emulsions.
The
PPT/PPy@DW
prepared
loading
polypyrrole
(PPy)
particles
on
delignified
(DW)
membranes,
further
modifying
hydrogel
layer
as
oil‐repellent
barrier.
layered
porous
structure
selective
wettability
endow
great
performance
various
O/W
(≥98.69%
efficiency
≈1000
L
m
−2
h
−1
bar
permeance).
Notably,
degree
can
be
monitored
real‐time
based
changed
voltage
generated
during
emulsion
separation,
oil‐polluted
self‐cleaned
soaking
recover
its
performance.
high
affinity
makes
effective
trapping
from
mixed
surfactant‐stabilized
W/O
eco‐friendly
low‐cost
multifunctional
shows
promising
on‐demand
provides
new
ideas
functional
improvement
biomass
materials.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(2), P. 271 - 271
Published: Jan. 18, 2024
Conventional
polymers,
endowed
with
specific
functionalities,
are
extensively
utilized
for
filtering
and
extracting
a
diverse
set
of
chemicals,
notably
metals,
from
solutions.
The
main
structure
polymer
is
an
integral
part
designing
efficient
separating
system.
However,
its
chemical
functionality
further
contributes
to
the
selectivity,
fabrication
process,
resulting
product
morphology.
One
example
would
be
membrane
that
can
employed
selectively
remove
targeted
metal
ion
or
solution,
leaving
behind
useful
components
solution.
Such
membranes
products
highly
sought
after
purifying
polluted
water
contaminated
toxic
heavy
metals.
An
water-purifying
must
fulfill
several
requirements,
including
morphology
attained
by
material
facile
integration
into
module
Therefore,
selection
appropriate
functionalization
become
crucial
determining
steps.
This
review
highlights
attempts
made
in
functionalizing
various
polymers
(including
natural
ones)
copolymers
groups
decisive
act
as
purifiers.
Among
these
recently
developed
systems,
some
materials
incorporating
other
macromolecules,
e.g.,
MOFs,
COFs,
graphene,
have
displayed
their
competence
treatment.
Furthermore,
it
also
summarizes
self-assembly
critical
driving
purification
mechanism.
comprehensive
overview
aims
provide
readers
concise
conclusive
understanding
purification,
well
elucidating
perspectives
challenges.
Compared
to
conventional
fibers,
electrospun
porous
nanofibers
with
hierarchical
structures
often
involve
additional
active
sites,
interfaces,
and
internal
spaces
which
boost
the
performances
of
functional
materials.
Here
in
this
study,
coaxial
composite
cellulose
acetate@silk
fibroin
(CA@SF)
fibrous
membranes
are
constructed
through
an
electrostatic
spinning
technique
combining
solvent-induced
phase
separation.
Hierarchical
core–shell
on
fibers
achieved,
significantly
increases
surface
area
benefits
mechanical
property,
flux,
as
well
electroless
deposition
Ag
nanoparticles.
The
total
electromagnetic
shielding
efficiency
sandwiched
CA@SF@Ag
membrane
a
thickness
only
100
μm
reaches
up
dB,
surpassing
around
82%
beyond
nonhierarchical
ones.
To
be
noticed,
when
post-treated
by
ethanol,
enables
enhanced
tensile
strength
10
MPa
50
μm.
Our
findings
pave
way
application
fiber
field
ultrathin
films.
