Molecules,
Journal Year:
2024,
Volume and Issue:
29(23), P. 5730 - 5730
Published: Dec. 4, 2024
Platanus
officinalis
fibers
(PFs)
taking
advantage
of
high-availability,
eco-friendly
and
low-cost
characteristics
have
attracted
significant
focus
in
the
field
biomaterial
application.
Polyethyleneimine
grafted
with
polydopamine
on
magnetic
(PEI-PDA@M-PFs)
were
prepared
through
a
two-step
process
mussel
inspiration
Michael
addition
reaction,
which
can
work
as
an
effective
multifunctional
biomass
adsorbent
for
anionic
dye
outstanding
separation
capacity
efficiency.
The
as-prepared
PEI-PDA@M-PFs
possess
desirable
hydrophilicity,
magnetism
positive
charge,
along
abundant
amino
functional
groups
surface,
facilitating
efficient
adsorption
removal
Eriochrome
Black
T
(EBT)
dyes
from
water.
In
to
formation
mechanism,
properties,
including
isotherms,
kinetics,
reusability
absorbent,
studied
intensively.
achieved
theoretical
maximum
166.11
mg/g
under
optimal
conditions
(pH
7.0),
10
mg
introduced
into
EBT
solution.
pseudo-second-order
kinetic
Langmuir
models
well
matched
experimental
data.
Moreover,
thermodynamic
data
ΔH
>
0
revealed
homogeneous
chemical
heat-absorption
reaction.
remained
at
high
stability
recyclability
even
after
five
cycles
processes.
These
above
findings
provide
new
insights
processes
development
biologic
material
sustainable
applications.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(10), P. 6150 - 6161
Published: May 8, 2024
The
dopamine
modification
strategy
has
received
extensive
attention
in
water
treatment
due
to
its
simple
and
gentle
preparation
process,
excellent
adhesion,
good
secondary
reactivity.
Further
research
found
that
compounds
containing
the
catechol
groups
can
react
with
amino-containing
silane
coupling
agents
under
mild
conditions
form
dopamine-like
hydrophilic
coatings
on
surface
of
hydrophobic
membranes
or
fibers.
This
paper
used
cheap
polypropylene
melt-blown
nonwovens
as
substrate
prepare
a
large-capacity
dye
adsorbent
PP-(CK-Fe).
Specifically,
(CA)
(3-aminopropyl)
triethoxysilane
(KH550)
were
codeposited
coating
substrate.
Then,
we
reactivity
grow
iron-based
oxides
situ.
had
adsorption
performance
anionic
dyes
at
initial
pH
solution,
including
Orange
II
(380
mg/g),
methyl
orange
(268
Congo
red
(294
carmine
(263
mg/g).
However,
it
almost
no
effect
cationic
pH,
methylene
blue
Rhodamine
B.
We
chose
explore
possible
mechanism.
results
confirmed
3–11.
process
tended
be
monolayer
chemical
adsorption.
maximum
capacity
(Qmax)
was
515.46
mg/g
optimal
conditions.
study
also
codeposition
constructed
polyphenol
similar
coating.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(23), P. 5730 - 5730
Published: Dec. 4, 2024
Platanus
officinalis
fibers
(PFs)
taking
advantage
of
high-availability,
eco-friendly
and
low-cost
characteristics
have
attracted
significant
focus
in
the
field
biomaterial
application.
Polyethyleneimine
grafted
with
polydopamine
on
magnetic
(PEI-PDA@M-PFs)
were
prepared
through
a
two-step
process
mussel
inspiration
Michael
addition
reaction,
which
can
work
as
an
effective
multifunctional
biomass
adsorbent
for
anionic
dye
outstanding
separation
capacity
efficiency.
The
as-prepared
PEI-PDA@M-PFs
possess
desirable
hydrophilicity,
magnetism
positive
charge,
along
abundant
amino
functional
groups
surface,
facilitating
efficient
adsorption
removal
Eriochrome
Black
T
(EBT)
dyes
from
water.
In
to
formation
mechanism,
properties,
including
isotherms,
kinetics,
reusability
absorbent,
studied
intensively.
achieved
theoretical
maximum
166.11
mg/g
under
optimal
conditions
(pH
7.0),
10
mg
introduced
into
EBT
solution.
pseudo-second-order
kinetic
Langmuir
models
well
matched
experimental
data.
Moreover,
thermodynamic
data
ΔH
>
0
revealed
homogeneous
chemical
heat-absorption
reaction.
remained
at
high
stability
recyclability
even
after
five
cycles
processes.
These
above
findings
provide
new
insights
processes
development
biologic
material
sustainable
applications.
