Demonstration of Pattern Size Effects on Hydrophobic Nanocellulose Coatings with Regular Micron-Sized Island-like Geometrical Domains Created by Femtosecond Laser Micromachining
Micromachines,
Год журнала:
2025,
Номер
16(3), С. 289 - 289
Опубликована: Фев. 28, 2025
As
inspired
by
nature,
wettability
of
bio-based
material
surfaces
can
be
controlled
combining
appropriate
surface
chemistries
and
topographies
mimicking
the
structure
plant
leaves
or
animals.
The
need
for
nanocellulose
coatings
with
enhanced
hydrophobic
properties
becomes
technically
relevant
extending
their
applications
in
technological
domain
better
protection
lifetime
coatings.
In
this
work,
water
repellence
spray-coated
hydrophobically
modified
cellulose
microfiber
(mCMF
coatings),
nanofiber
(mCNF
coatings)
was
after
femtosecond
laser
patterning.
particular,
influences
different
island-like
pattern
geometries
sizes
were
systematically
studied.
patterns
experimentally
created
single
posts
that
have
variable
valleys
(B
=
30
to
15
µm)
top
area
(T
120
µm),
resulting
good
resolution
down
size
beam
diameter
(15
µm).
Depending
on
intrinsic
homogeneity
porosity
sprayed
mCMF
mCNF
coatings,
quality
is
thinner
more
homogeneous
nanofibrils.
increase
apparent
contact
angle
patterned
estimated
from
theoretical
Cassie–Baxter
state
wetting
shows
maximum
values
up
θs
128°
140°
smallest
parallel
minimum
hysteresis
Δθ
14°
<
9°
coatings).
study
demonstrated
patterning
technology
provides
high
flexibility
adaptivity
create
dimensions
hydrophobicity
Язык: Английский
Shape memory polymer coatings for smart and sustainable systems
Materials Today Chemistry,
Год журнала:
2025,
Номер
45, С. 102607 - 102607
Опубликована: Март 4, 2025
Язык: Английский
Enhanced efficiency of superhydrophobic coatings: A comparative analysis between dip and spray techniques using octadecyltrichlorosilane
Journal of the Taiwan Institute of Chemical Engineers,
Год журнала:
2025,
Номер
172, С. 106150 - 106150
Опубликована: Апрель 17, 2025
Язык: Английский
Superhydrophobic and photocatalytic self-cleaning surfaces by atmospheric pressure plasma jet deposited hydroxyapatite, titanium-dioxide silicone-like multilayers
Surface and Coatings Technology,
Год журнала:
2025,
Номер
unknown, С. 132265 - 132265
Опубликована: Май 1, 2025
Язык: Английский
Fabrication of a superhydrophobic porous electrode with voltage-induced anti-fogging properties
RSC Advances,
Год журнала:
2025,
Номер
15(22), С. 17435 - 17441
Опубликована: Янв. 1, 2025
A
superhydrophobic
and
porous
ODT/MWCNTs/MeS
electrode
has
been
proposed,
it
ability
to
respond
stably
with
a
voltage
of
10
V.
The
long
alkyl
chains
1-octadecanethiol
(ODT)
are
triggered
by
the
applied
induce
chain
stretching.
Язык: Английский
Theoretical Analysis of Contact Angle and Contact Angle Hysteresis of Wenzel Drops on Superhydrophobic Surfaces
Nanomaterials,
Год журнала:
2024,
Номер
14(23), С. 1978 - 1978
Опубликована: Дек. 9, 2024
Although
understanding
the
wetting
behavior
of
solid
surfaces
is
crucial
for
numerous
engineering
applications,
mechanisms
driving
motion
Wenzel
drops
on
rough
remain
incompletely
clarified.
In
this
study,
contact
angle
and
hysteresis
superhydrophobic
are
investigated
from
a
thermodynamic
perspective.
The
free
energy
system
theoretically
analyzed,
thereby
determining
equilibrium
angle.
Based
sessile
drop
method,
relationship
between
barrier
volume
calculated
quantitatively,
enabling
determination
advancing
receding
angles
under
zero
conditions.
theoretical
calculations
agree
well
with
experimental
data.
These
findings
enhance
interfacial
interactions
surfaces.
Язык: Английский