Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(31)
Published: June 10, 2022
Designing
scalable
coatings
with
a
wide
spectrum
of
functions
such
as
liquid
repellency,
anticorrosion,
and
antiflaming
high
level
mechano-chemical-thermal
robustness
is
crucial
in
real-life
applications.
However,
these
individual
functionalities
are
coupled
together
or
even
have
conflicting
requirements
on
the
interfacial
bulky
properties
materials,
thus,
simultaneously
integrating
all
features
into
one
coating
has
proved
challenging.
Herein,
an
integral
skin-inspired
triple-layered
(STC)
that
resolves
demands
imposed
by
structural,
chemical,
mechanical,
thermal
materials
proposed.
Specifically,
rational
design
multiple
gradients
roughness,
wetting,
strength,
flame
retardancy
formation
continuous
interfaces
along
its
triple
layers
endow
sustained
under
harsh
environments,
well
strong
antiabrasion
surfaces
adhesion
substrate.
Such
all-in-one
enhances
durability
lifetime
reduces
maintenance
repair,
thereby
contributing
to
cost
energy
saving.
Together
facile
spraying
fabrication
process,
this
STC
provides
feasible
sustainable
strategy
for
constructing
resource-saving
materials.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
34(46)
Published: Nov. 27, 2021
Abstract
Most
organic
polymeric
materials
have
high
flammability,
for
which
the
large
amounts
of
smoke,
toxic
gases,
heat,
and
melt
drips
produced
during
their
burning
cause
immeasurable
damages
to
human
life
property
every
year.
Despite
some
desirable
results
having
been
achieved
by
conventional
flame‐retardant
methods,
application
is
encountering
more
difficulties
with
ever‐increasing
requirements
such
as
efficiency,
great
persistence,
low
release
importantly
not
deteriorating
or
even
enhancing
overall
properties
polymers.
Under
condition,
advanced
methods
developed
in
past
years
based
on
“all‐in‐one”
intumescence,
nanotechnology,
situ
reinforcement,
intrinsic
char
formation,
plasma
treatment,
biomimetic
coatings,
etc.,
provided
potential
solutions
dilemma
methods.
This
review
briefly
outlines
development,
application,
problems
including
bulk‐additive,
bulk‐copolymerization,
surface
focuses
raise,
The
future
development
further
discussed.
Ultrafast Science,
Journal Year:
2021,
Volume and Issue:
2021
Published: Jan. 1, 2021
As
a
noncontact
strategy
with
flexible
tools
and
high
efficiency,
laser
precision
engineering
is
significant
advanced
processing
way
for
high-quality
micro-/nanostructure
fabrication,
especially
to
achieve
novel
functional
photoelectric
structures
devices.
For
the
microscale
creation,
several
femtosecond
fabrication
methods,
including
multiphoton
absorption,
laser-induced
plasma-assisted
ablation,
incubation
effect
have
been
developed.
Meanwhile,
can
be
combined
microlens
arrays
interference
lithography
techniques
in
submicron
scales.
Down
nanoscale
feature
sizes,
strategies,
such
as
near-field
scanning
optical
microscope,
atomic
force
microsphere,
are
applied
minimum
nanostructure
creation
has
pushed
down
~25
nm
due
effect.
The
most
fascinating
possibility
of
large-area,
high-throughput,
far-field
nanofabrication.
In
combination
special
dual
beam
irradiation,
~15
nanostructuring
achieved
directly
on
silicon
surfaces
far
field
ambient
air.
challenges
perspectives
also
discussed.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: April 6, 2022
Smart
fire
alarm
sensor
(FAS)
materials
with
mechanically
robust,
excellent
flame
retardancy
as
well
ultra-sensitive
temperature-responsive
capability
are
highly
attractive
platforms
for
safety
application.
However,
most
reported
FAS
can
hardly
provide
sensitive,
continuous
and
reliable
signal
output
due
to
their
undesirable
temperature-responsive,
flame-resistant
mechanical
performances.
To
overcome
these
hurdles,
herein,
we
utilize
the
multi-amino
molecule,
named
HCPA,
that
serve
triple-roles
including
cross-linker,
retardant
reducing
agent
decorating
graphene
oxide
(GO)
sheets
obtaining
GO/HCPA
hybrid
networks.
Benefiting
from
formation
of
multi-interactions
in
network,
optimized
network
exhibits
significant
increment
strength,
e.g.,
tensile
strength
toughness
increase
~
2.3
5.7
times,
respectively,
compared
control
one.
More
importantly,
based
on
P
N
doping
promoting
thermal
reduction
effect
GO
(withstanding
1200
°C
attack),
ultra-fast
response
time
(~
0.6
s)
ultra-long
alarming
period
(>
600
obtained,
representing
best
comprehensive
performance
GO-based
counterparts.
Furthermore,
fireproof
coating
is
constructed
applied
polymer
foam
exhibited
exceptional
shielding
performance.
This
work
provides
a
new
idea
designing
fabricating
desirable
coatings.
Science Advances,
Journal Year:
2022,
Volume and Issue:
8(50)
Published: Dec. 14, 2022
Recyclable/reversible
adhesives
have
attracted
growing
attention
for
sustainability
and
intelligence
but
suffer
from
low
adhesion
strength
poor
durability
in
complex
conditions.
Here,
we
demonstrate
an
aromatic
siloxane
adhesive
that
exploits
stimuli-responsive
reversible
assembly
driven
by
π-π
stacking,
allowing
elimination
activation
of
interfacial
interactions
via
infiltration-volatilization
ethanol.
The
robust
cohesive
energy
water-insensitive
enables
durable
strong
(3.5
MPa
shear
on
glasses)
diverse
surfaces.
Long-term
performances
are
realized
underwater,
salt,
acid/alkali
solutions
(pH
1-14)
at
low/high
temperatures
(-10-90°C).
With
assembly/disassembly,
the
is
closed-loop
recycled
(~100%)
reused
over
100
times
without
loss.
Furthermore,
has
unique
combinations
high
transparency
(~98%
visible
light
region
400-800
nm)
flame
retardancy.
experiments
theoretical
calculations
reveal
corresponding
mechanism
molecular
level.
This
stacking-driven
strategy
opens
up
avenue
high-performance
with
circular
life
multifunctional
integration.
