ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(28), P. 34108 - 34119
Published: July 10, 2023
Inspired
by
the
transpiration
in
tree
stem
having
a
vertical
and
porous
channel
structure,
high
efficiency
of
formaldehyde
removal
is
realized
multi-scale
micro-nano
structure
hybrid
P(AAm/DA)-Ag/MgO
hydrogel
coating
cross-linked
on
microfiber-based
polyurethane.
The
present
formed
joint
effect
directional
freezing
redox
polymerization
as
well
nanoparticles-induced
porosity.
Due
to
large
number
vertically
aligned
channels
micrometer
size
an
embedded
nanometer
size,
specific
surface
area
significantly
increased.
Therefore,
from
solution
can
be
rapidly
adsorbed
amine
group
hydrogels
efficiently
degraded
Ag/MgO
nanoparticles.
By
only
immersing
(0.2
mg
mL-1)
for
12
h,
83.8%
removed
with
which
60.8%
faster
than
that
observed
without
any
structure.
After
cross-linking
polyurethane
exposing
vapor
atmosphere,
79.2%
again
11.2%
higher
Unlike
traditional
approaches
remove
light
catalyst,
no
external
conditions
are
required
our
coating,
very
suitable
indoor
use.
In
addition,
due
formation
free
radicals
nanoparticles,
synthetic
leather
also
shows
good
anti-bacterial
capability.
99.99%
Staphylococcus
aureus
killed
surface.
Based
ability
kill
bacteria,
obtained
containing
used
broad
field
applications,
such
furniture
car
interior
parts,
simultaneously
solve
air
pollution
hygiene
problems.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(2), P. 3522 - 3533
Published: Jan. 5, 2023
Superhydrophobic
photothermal
coatings
are
promising
for
multifunctional
applications
due
to
the
efficient
use
of
solar
energy,
but
current
challenge
is
seek
one
easy-to-prepare
material
with
high
performance.
Herein,
inspired
by
mussel
adhesion
and
lotus
leaf
surfaces,
we
developed
superhydrophobic
hierarchical
structure
depositing
melanin-like
polydopamine
(PDA)
dip-coating
polydimethylsiloxane
(PDMS)/hydrophobic
fumed
silica
(SiO2)
sequentially.
Benefitting
from
conversion
performance
PDA,
coated
fabric
can
rapidly
warm
up
100
°C
under
mW/cm2
sun
irradiation.
Meanwhile,
show
excellent
properties
(WCA
163°),
which
not
only
prevent
contaminant
maintaining
a
long-term
also
help
own
outstanding
passive
anti-icing
active
deicing
performances.
Furthermore,
be
maintained
after
sandpaper
abrasion,
repeat
tape-peeling,
ultrasonication.
In
addition,
superior
UV
protection
meet
service
conditions
outdoor
sunlight.
The
PDA-based
believed
inspire
new
strategies
solar-driven
such
as
personal
thermal
management,
anti-icing/deicing
variously
shaped
components,
antibacterial,
so
on.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(17)
Published: Jan. 27, 2023
Abstract
Liquid
crystalline
polymers
(LCPs),
especially
liquid
elastomers
(LCEs)
can
generate
ultrahigh
shape
change
amplitude
but
has
lower
mechanical
strength.
Although
some
attempts
have
been
tried
to
improve
the
performance
of
LCE,
there
are
still
limitations
including
complicated
fabrication
and
high
actuation
temperature.
Here,
a
versatile
method
is
reported
fabricate
light‐driven
actuator
by
covalently
cross‐linking
polyurethane
(PU)
into
LCP
networks
(PULCN).
This
new
scheme
distinct
from
previous
interpenetrating
network
strategy,
hydrogen
bonds
covalent
used
in
this
study
miscibility
non‐liquid‐crystalline
PU
materials
enhance
stability
composite
system.
material
not
only
possesses
memory
properties
shows
shape‐changing
behavior
LCPs.
With
shrinkage
ratio
20%
at
phase
transition
temperature,
prepared
reached
maximum
strength
20
MPa,
higher
than
conventional
LCP.
Meanwhile,
resulting
film
diverse
programmable
initial
shapes
constructing
crosslinking
density
gradient
across
thickness
film.
By
integration
PULCN
with
near‐infrared
light‐responsive
polydopamine,
local
sequential
light
control
achieved.
may
provide
route
for
mechanically
robust
soft
actuator.
Progress in Materials Science,
Journal Year:
2024,
Volume and Issue:
146, P. 101336 - 101336
Published: July 9, 2024
This
review
paper
comprehensively
examines
the
dynamic
landscape
of
3D
printing
and
Machine
Learning
utilizing
biodegradable
polymers
their
composites,
presenting
a
panoramic
synthesis
research
developments,
technological
achievements,
emerging
applications.
By
investigating
multitude
polymer
types,
delineates
suitability
compatibility
with
diverse
methodologies
demonstrates
merit
machine
learning
techniques,
in
future
manufacturing
processes.
Moreover,
this
focuses
on
intricacies
material
preparation,
design
adaptation
as
well
post-processing
techniques
tailored
for
polymers,
elucidating
pivotal
role
achieving
structural
integrity
functional
excellence.
From
biomedical
implants
sustainable
packaging
solutions
to
artistic
creations,
unveils
expansive
spectrum
practical
implementations,
thus
portraying
multifaceted
impact
technology.
Whilst
outlining
prevalent
challenges
such
mechanical
properties
recycling,
concurrently
surveys
ongoing
endeavors
aimed
at
addressing
these
limitations.
In
essence,
encapsulates
transformative
potential
providing
roadmap
advancements
underscoring
its
fostering
manufacturing/consumption
future.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(6), P. 1267 - 1267
Published: March 13, 2024
Shape
memory
and
self-healing
polymer
nanocomposites
have
attracted
considerable
attention
due
to
their
modifiable
properties
promising
applications.
The
incorporation
of
nanomaterials
(polypyrrole,
carboxyl
methyl
cellulose,
carbon
nanotubes,
titania
graphene,
graphene
oxide,
mesoporous
silica)
into
these
polymers
has
significantly
enhanced
performance,
opening
up
new
avenues
for
diverse
capability
in
depends
on
several
factors,
including
heat,
quadruple
hydrogen
bonding,
π–π
stacking,
Diels–Alder
reactions,
metal–ligand
coordination,
which
collectively
govern
the
interactions
within
composite
materials.
Among
possible
interactions,
only
bonding
between
constituents
been
shown
be
effective
facilitating
at
approximately
room
temperature.
Conversely,
thermo-responsive
shape
require
elevated
temperatures
initiate
healing
recovery
processes.
Thermo-responsive
(TRSMPs),
light-actuated,
magnetically
actuated,
Electrically
actuated
Memory
Polymer
Nanocomposite
are
discussed.
This
paper
provides
a
comprehensive
overview
different
types
involved
SMP
SHP
examines
behavior
both
temperature
conditions,
along
with
biomedical
many
applications
SMPs,
special
given
(drug
delivery,
orthodontics,
tissue
engineering,
orthopedics,
endovascular
surgery),
aerospace
(hinges,
space
deployable
structures,
morphing
aircrafts),
textile
(breathable
fabrics,
reinforced
electromagnetic
interference
shielding
fabrics),
sensor,
electrical
(triboelectric
nanogenerators,
information
energy
storage
devices),
electronic,
paint
coating,
construction
material
(polymer
cement
composites)
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(14), P. 18300 - 18310
Published: March 29, 2023
Polyurethane
(PU)
is
a
widely
used
polymer
material
that
will
age
under
prolonged
exposure
to
ultraviolet
(UV)
light,
shortening
the
service
life.
Several
methods
have
been
prepare
anti-UV
PU,
including
adding
nonreactive
additives,
functional
fillers,
and
biological
antioxidant
molecules.
However,
additives
may
migrate
during
long-term
use,
fillers
damage
mechanical
properties
seriously
reduce
light
transmittance
of
sample,
molecules
inevitably
color
sample.
To
solve
these
problems,
in
this
work,
benzotriazole
UV
absorber
(Chiguard
R-455)
was
introduced
into
PU
molecular
chains
by
situ
polymerization
nonmigrating
intrinsic
sample
with
high
performance
colorless
transparency.
The
samples
exhibit
over
88%
visible
range
superior
tensile
strength
higher
than
65
MPa
elongation
at
break
900%.
After
24
h
irradiation
(200
W,
365
nm),
pure
are
significantly
reduced
only
8.9
15.8%
original
one,
respectively.
On
contrary,
addition
Chiguard
R-455
endow
excellent
performance.
irradiation,
(67.2
±
1.6
MPa)
(917.4
30.0%)
PU-0.5%
(the
content
0.5
wt
%)
changed
little
compared
without
(67.4
3.5
919.4
26.5%).
Additionally,
mechanism
systematically
studied.
This
work
provides
feasible
method
for
preparing
colorless,
transparent,
high-performance,
UV-shielding
samples,
which
can
be
as
light-shielding
various
fields
aesthetic
requirements,
such
protection
wearable
products.
ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(4), P. 2575 - 2582
Published: March 6, 2023
Recently,
polymer
materials
with
light-responsive
shape
memory
and
self-healing
ability
have
been
extensively
studied.
Various
strategies
reported
to
prepare
remotely
controllable
by
employing
carbon-based
nanophotothermal
agents
(e.g.,
carbon
nanotubes
(CNTs))
in
a
network.
However,
enhancing
the
dispersion
state
capacity
of
CNTs
remains
challenge
for
improving
response
capability
rate
materials.
In
this
work,
poly(vinyl
alcohol)
(PVA)
modified
pyrene
groups
was
introduced
as
network,
were
agent
material
fast
photothermal
responsiveness.
Because
stacking
interaction
between
CNTs,
large
fraction
are
dispersed
an
orderly
way
matrix.
Moreover,
hydrogen
bond
interactions
build
up
stable
cross-links
endow
ability.
Therefore,
work
provides
innovative
strategy
preparing
ultrafast
photoresponse
performance.
