ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(5), P. 3524 - 3533
Published: April 11, 2023
The
coexistence
of
superior
antifouling
ability
and
strong
substrate
adhesion
is
a
typical
trade-off
for
silicone
coating
but
highly
desirable
in
numerous
applications.
Herein,
we
present
surface-enriched
consisting
bis-silane-terminated
polyurea
(SPU),
an
oligosiloxane
nanocluster,
bi-silanol-terminated
poly(dimethylsiloxane)
with
fluorocarbon
poly(ethylene
glycol)
side
chains
as
reactive
amphiphilic
polymer
(RAP).
nanoclusters
can
cross-link
the
flexible
SPU
into
tough
network
interlink
to
substrate,
whereas
low-surface-energy
RAP
self-enrich
on
surface
during
formation.
Such
polysiloxane
exhibits
high
transparency
(>85%
transmittance),
tensile
strength
(∼12
MPa),
fouling
resistance
against
proteins
bacteria,
various
substrates
including
glass,
ceramic,
steel,
Ti,
epoxy
(3–15
MPa).
This
research
provides
universal
tunable
approach
future
design
coatings
electronics,
medical
devices,
marine
industries.
Materials & Design,
Journal Year:
2021,
Volume and Issue:
213, P. 110307 - 110307
Published: Dec. 6, 2021
With
the
rapid
development
of
marine
industry,
biofouling
and
surface
corrosion
underwater
equipment
have
become
a
major
issue.
Traditional
antifouling
or
anticorrosion
coatings
with
single
function
cannot
meet
current
requirements.
Recent
developments
in
materials
science
synthesis
techniques
brought
new
opportunities
challenges
field
integrated
(IAACs).
In
this
review,
mechanisms
are
introduced
to
help
readers
understand
how
their
negative
impact
can
be
mitigated.
Most
IAACs
designed
by
combining
units
into
one
coating,
while
several
disobey
mentioned
design
principle
since
they
inherent
functions.
This
review
highlights
recently
developed
IAACs,
including
polyaniline-based
coatings,
copper/amorphous
carbon
polydopamine/polymer
brushes,
amphiphilic
polymers,
endospore-loaded
sol–gel
hydrophobic/corrosion
inhibitor
nanocomposites,
bioinspired
coatings.
These
emerging
been
last
decade
may
not
yet
mature
practical
applications
commercialization;
therefore,
advantages
disadvantages
discussed.
Finally,
future
is
We
expect
that
will
only
but
also
contribute
development.
Langmuir,
Journal Year:
2023,
Volume and Issue:
39(6), P. 2333 - 2346
Published: Jan. 31, 2023
Antifouling
(AF)
nanocoatings
made
of
polydimethylsiloxane
(PDMS)
are
more
cost-efficient
and
eco-friendly
substitutes
for
the
already
outlawed
tributyltin-based
coatings.
Here,
a
catalytic
hydrosilation
approach
was
used
to
construct
design
inspired
by
composite
mosquito
eyes
from
non-toxic
PDMS
nanocomposites
filled
with
graphene
oxide
(GO)
nanosheets
decorated
magnetite
nanospheres
(GO-Fe3O4
nanospheres).
Various
GO-Fe3O4
hybrid
nanofillers
were
dispersed
into
resin
through
solution
casting
method
evaluate
structure-property
relationship.
A
simple
coprecipitation
procedure
fabricate
an
average
diameter
30-50
nm,
single
crystal
structure,
predominant
(311)
lattice
plane.
The
uniform
bioinspired
superhydrophobic
PDMS/GO-Fe3O4
nanocomposite
surface
produced
had
micro-/nano-roughness,
low
surface-free
energy
(SFE),
high
fouling
release
(FR)
efficiency.
It
exhibited
several
advantages
including
simplicity,
ease
large-area
fabrication,
simultaneous
offering
dual
micro-/nano-scale
structures
simply
via
one-step
process
wide
variety
materials.
superhydrophobicity,
SFE,
rough
topology
have
been
studied
as
properties
unfilled
silicone
nanocomposites.
coatings'
physical,
mechanical,
anticorrosive
features
also
taken
account.
Several
microorganisms
employed
examine
resistance
coated
specimens
1
month.
Good
dispersion
fillers
in
coating
until
wt
%
achieved
highest
water
contact
angle
(158°
±
2°),
lowest
SFE
(12.06
mN/m),
improved
bulk
mechanical
anticorrosion
properties.
well-distributed
(1
nanofillers)
nanocoating
showed
least
biodegradability
against
all
tested
[Kocuria
rhizophila
(2.047%),
Pseudomonas
aeruginosa
(1.961%),
Candida
albicans
(1.924%)].
We
successfully
developed
non-toxic,
low-cost,
economical
nanostructured
FR
coatings
long-term
ship
hull
This
study
may
expand
applications
bio-inspired
functional
materials
because
multiple
AF,
durability
hydrophobicity
both
important
industrial
applications.
Marine
biofouling
negatively
impacts
marine
industries
and
ship
navigation.
However,
current
coatings
are
based
on
a
single
antifouling
mechanism,
which
is
insufficient
to
cope
with
the
complex
ever-changing
environment.
Herein,
multifunctional
were
developed
using
material
system
containing
perfluoropolyether
caprolactone
chains.
First,
an
acrylic
resin
side
chains
was
synthesized
as
liquid-repellent
component
then
degradable
cross-linked
network
constructed
by
bridging
polycaprolactone
Surprisingly,
not
only
effectively
improved
tensile
strength
but
also
provided
flexibility
resin.
Thus,
coating
exhibited
satisfactory
mechanical
stability
low
roughness
(4.06
nm)
during
dynamic
polishing.
It
worth
noting
that
surface
energy
(SE)
(22.0
mJ·m
Marine
biofouling
and
corrosion
have
become
the
main
problems
affecting
development
of
marine
industry.
Silicone-based
coatings
been
widely
used
for
antifouling
anticorrosion
due
to
their
low
surface
energy.
However,
poor
adhesion
mechanical
stability
these
materials
limit
application
in
complex
environments.
In
this
work,
we
presented
a
coating
named
POSS-DMA@PDMS-TCM
through
photoinitiated
thiol-ene
click
reaction
combined
with
(mercaptopropyl)
methylsiloxane
dimethylsiloxane
(PDMS-SH),
dopamine
methacrylamide
(DMA),
sulfhydryl-functionalized
organosiloxanes
(POSS-(SH)8),
N-(2,4,6-trichlorophenyl)
maleimide
(TCM).
The
exhibited
strong
bonding
ability
both
air
(2.17
MPa)
underwater
(2.11
when
DMA
content
was
3
wt
%.
high
antibacterial
(98.1%
Staphylococcus
aureus
99.5%
Escherichia
coli)
antidiatom
(94.5%)
properties
also
confirmed.
Moreover,
show
excellent
abilities
120-day
field
tests,
reducing
fouling
by
65.5%
comparison
blank
group.
displayed
superior
performance
Ecorr
values
-0.055
V,
Icorr
7.67
×
10-6
,
Rp
3.10
105
Ω
Cu,
which
benefited
from
chelating
effect
liquid
repellency.
This
study
provides
novel
strategy
high-quality
coatings.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(37)
Published: June 29, 2021
Abstract
Biofouling
on
surfaces
immersed
in
aquatic
environment
induces
catastrophic
corrosion
of
metallic
materials
petrochemical
infrastructures,
maritime
facilities,
and
power
plants.
To
combat
the
synergistic
effect
biofouling
deterioration
materials,
smart
coatings
possessing
a
dual
function
antibiofouling
anticorrosion
properties
are
needed.
Herein,
redox‐responsive
copolymer
conjugates
synthesized
employed
as
with
mitigation.
The
copolymers
is
attributed
to
fluorinated
units
inhibitor
2‐mercaptobenzothiazole
(MBT)
conjugated
via
disulfide
linkages.
Indeed,
linkages
can
be
cleaved
reducing
environment,
yielding
controlled
release
MBT
during
process.
action
against
protein
adsorption
algal
attachment
enabled
by
cooperation
repellent
characteristic
moieties
biocidal
MBT.
