Abstract
Corrosion
threatens
materials
in
diverse
industries,
necessitating
sustainable
corrosion
inhibitors.
Polysaccharides,
abundant
natural
polymers,
emerge
as
eco‐friendly
This
review
explores
polysaccharides'
efficacy,
mechanisms,
and
applications.
It
introduces
the
significance
of
vital
role
inhibitors,
positioning
polysaccharides
promising
green
solutions.
The
exploration
covers
polysaccharide
diversity,
sources,
attributes.
mechanisms
are
detailed,
setting
stage
for
understanding
inhibition
strategies.
with
unique
adsorption
film‐forming
properties,
effective
elucidated
through
electrochemical
studies.
Influential
factors
like
pH,
temperature,
concentration
effects,
along
practical
applicability
considerations,
examined.
Real‐world
implementations
across
industries
underscore
versatility,
often
surpassing
traditional
Despite
challenges,
this
outlines
their
role,
addressing
concerns
proposing
future
directions.
Polysaccharides
alternatives,
illuminating
inhibitive
applications,
guiding
continued
research
prevention.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(48)
Опубликована: Авг. 20, 2024
Abstract
Carbon
dots
(CDs)
have
garnered
extensive
attention
owing
to
their
excellent
biocompatibility,
elevated
specific
surface
area,
and
facile
functionalization,
as
well
diverse
methods
of
preparation.
In
recent
times,
CDs
been
applied
for
anti‐corrosion
obtained
some
significant
results.
this
work,
the
preparation
are
first
briefly
introduced,
relative
merits
different
approaches
highlighted.
Subsequently,
application
in
realm
corrosion
inhibitors
is
discussed,
inhibition
effects
mechanism
nitrogen‐doped
CDs,
nitrogen
sulfur‐co‐doped
functionalized
with
other
elements
nitrogen‐co‐doped
summarized.
Finally,
CD‐modified
coatings
protective
analyzed
detail.
This
review
summarizes
progress
research
related
heteroatom‐doped
applications
anticipates
prospects
protection.
With
unique
properties
versatile
applications,
expected
assume
a
progressively
pivotal
role
advancement
cutting‐edge
protection
technologies.
Arabian Journal of Chemistry,
Год журнала:
2024,
Номер
17(9), С. 105895 - 105895
Опубликована: Июль 5, 2024
Active
phytochemicals
with
unique
electron
structures
can
adsorb
on
metal
surfaces
and
effectively
mitigate
corrosion.
Recently,
plant
extracts
have
garnered
significant
attention
as
green
renewable
corrosion
inhibitors.
In
this
study,
the
abundant
agricultural
byproducts,
namely
Zea
mays
bracts,
were
used
extract
raw
materials,
bracts
(ZMBE)
was
served
an
eco-friendly
inhibitor
for
mild
steel
(MS)
in
1
M
HCl
pickling
solution.
The
organic
substances
ZMBE
analyzed
via
ultra-high
performance
liquid
chromatography-
quadrupole
time-of-flight
mass
spectrometry
(UPLC-QTFMS).
interaction
between
active
functional
groups
MS
investigated
using
Fourier
transform
infrared
(FT-IR)
ultraviolet–visible
(UV–visible)
spectroscopy
X-ray
photoelectron
(XPS).
inhibition
behavior
scrutinized
through
potentiodynamic
polarization
(PDP)
curves
electrochemical
impedance
(EIS).
results
show
that
such
aromatic
rings,
double
bonds,
hydroxyls
successfully
surface
to
form
protective
films.
exhibits
a
mixed-type
"geometric
coverage"
effect.
efficiency
(η)
increases
concentration
solution
temperature,
optimum
η
5.0
g·L−1
at
318
K
is
96.2
%.
adsorption
of
ingredients
follows
Langmuir
El-Awady
isotherms.
Density
theory
(DFT)
molecular
dynamics
(MD)
simulations
prove
synergistic
effect
complex
components
mechanism.
promising
acid
broad
application
prospects.
Arabian Journal of Chemistry,
Год журнала:
2023,
Номер
17(1), С. 105410 - 105410
Опубликована: Ноя. 1, 2023
Recent
years
have
seen
a
surge
in
interest
efficient,
green,
and
eco-friendly
corrosion
inhibitors,
leading
to
extensive
research
on
plant
extracts.
This
study
investigates
the
active
phytochemicals
abundant
Ipomoea
batatas
L.
leaves,
which
were
extracted
with
ultrasonics
using
an
ethanol–water
solution
applied
mitigate
of
mild
steel
(MS)
1
M
HCl
pickling
solution.
The
chemical
compositions
inhibition
properties
leaf
extract
(IBLE)
explored
through
multiple
experiments,
adsorption
thermodynamic
kinetic
parameters
analysed.
Electrochemical
results
indicated
that
mechanism
IBLE
is
geometric
coverage
effect;
acts
as
mixed-corrosion
inhibitor;
efficiency
increases
concentration
temperature,
reaching
up
96.4
%
at
318
K.
X-ray
photoelectron
spectroscopy
(XPS)
showed
C=C,
C–N,
C–N+,
C=N,
C=N+,
C=O,
C=O+,
C–O,
C–O+,
Fe-N
other
carbonaceous
groups
surface.
Surface
observation
confirmed
can
effectively
retard
corrosion.
analysis
revealed
protective
film
monolayer
follows
Langmuir
isotherm,
oriented
ingredients
enhances
order
MS
Density
functional
theory
(DFT)
molecular
dynamics
(MD)
simulations
conducted
examine
relationship
between
IBLE.
theoretical
calculations
compounds
adsorb
Fe
(1
0)
surface
physical
patterns
by
sharing
charges
iron
form
coordinate
bonds.
abilities
different
vary,
but
all
exhibit
synergistic
effects.
be
considered
efficient
renewable
inhibitor
for
media.
Arabian Journal of Chemistry,
Год журнала:
2023,
Номер
17(2), С. 105593 - 105593
Опубликована: Дек. 27, 2023
The
corrosion
of
metals
is
a
major
problem
in
many
industrial
sectors.
To
develop
sustainable
and
naturally
friendly
alternatives
to
classical
inhibitors,
the
use
plant
extracts
has
attracted
increasing
interest.
Plant
contain
variety
bioactive
substances,
such
as
polyphenols,
which
have
corrosion-inhibitory
properties.
are
biodegradable
pose
minimal
risk
human
health
ecosystems.
Consistent
with
prevailing
research
trends
this
field,
study,
ability
Hedera
helix
leaf
extract
(HHLE)
protect
XC18
steel
from
1
M
HCl
was
evaluated.
polyphenols
present
HHLE
were
identified
using
HPLC-DAD
analysis.
weight
loss,
potentiodynamic
polarization
(PDP),
electrochemical
impedance
spectroscopy
(EIS)
measurements
examined.
Six
phenolic
compounds
detected
HHLE.
results
showed
that
inhibitory
efficiency
increased
concentration.
At
298
K,
loss
tests
demonstrated
greatest
protection
92.67%
for
achieved
at
concentration
1000
mg/L
This
attributed
reduction
cathodic
currents
obstruction
active
corroding
sites.
Thermodynamic
analysis
indicated
an
endothermic
process
governed
by
physisorption,
Langmuir
adsorption
isotherm
model
highlighted
influence
both
physical
chemical
mechanisms
on
process.
Scanning
electron
microscopy
(SEM)
used
confirm
presence
Density
functional
theory
(DFT)
employed
carry
out
quantum
chemistry
studies
two
primary
components
extract:
kaempferol
(KMP)
trans-chalcone
(CHL).
parameters
obtained
calculations
explore
sites
interactions
between
donor
acceptor
molecules,
well
interfacial
mechanism
behavior
molecules
metal
surface.
