Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(5), P. 367 - 367
Published: Feb. 27, 2025
Flexible
devices
are
soft,
lightweight,
and
portable,
making
them
suitable
for
large-area
applications.
These
features
significantly
expand
the
scope
of
electronic
demonstrate
their
unique
value
in
various
fields,
including
smart
wearable
devices,
medical
health
monitoring,
human-computer
interaction,
brain-computer
interfaces.
Protein
materials,
due
to
molecular
structure,
biological
properties,
sustainability,
self-assembly
ability,
good
biocompatibility,
can
be
applied
enhance
sensitivity,
stability,
mechanical
strength,
energy
density,
conductivity
devices.
Protein-based
flexible
have
become
an
important
research
direction
fields
bioelectronics
wearables,
providing
new
material
support
development
more
environmentally
friendly
reliable
electronics.
Currently,
many
proteins,
such
as
silk
fibroin,
collagen,
ferritin,
so
on,
been
used
biosensors,
memristors,
storage
power
generation
Therefore,
this
paper,
we
provide
overview
related
field
protein-based
concept
characteristics
fabrication
processes,
characterization,
evaluation,
point
out
future
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 16, 2024
Abstract
Mechanically
robust
and
tough
polymeric
materials
are
in
high
demand
for
applications
ranging
from
flexible
electronics
to
aerospace.
However,
achieving
both
toughness
strength
polymers
remains
a
significant
challenge
due
their
inherently
contradictory
nature.
Here,
universal
strategy
enhancing
the
of
polymer
blends
using
ligand‐modulated
metal–organic
framework
(MOF)
nanoparticles
is
presented,
which
engineered
have
adjustable
hydrophilicity
lipophilicity
by
varying
types
ratios
ligands.
Molecular
dynamics
(MD)
simulations
demonstrate
that
these
can
effectively
regulate
interfaces
between
chemically
distinct
based
on
amphiphilicity.
Remarkably,
mere
0.1
wt.%
MOF
with
optimized
amphiphilicity
(ML‐MOF
(5:5)
)
delivered
≈1.1‐
≈34.1‐fold
increase
poly
(lactic
acid)
(PLA)/poly
(butylene
succinate)
(PBS)
blend,
respectively.
Moreover,
amphiphilicity‐tailorable
universally
enhance
mechanical
properties
various
blends,
such
as
polypropylene
(PP)/polyethylene
(PE),
PP/polystyrene
(PS),
PLA/poly
adipate‐co‐terephthalate)
(PBAT),
PLA/polycaprolactone
(PCL)/PBS.
This
simple
method
offers
potential
strengthening
toughening
blends.
Macromolecules,
Journal Year:
2024,
Volume and Issue:
57(6), P. 2746 - 2755
Published: Feb. 22, 2024
Breakthrough
to
the
extreme
properties
of
polymer
networks
relies
on
new
insights
into
their
molecular
dynamics.
Time-salt
concentration
superposition
has
been
discovered
in
polyelectrolyte
coacervate
systems,
proving
instrumental
tuning
mechanical
performance
hydrogels.
However,
time-salt
type
never
mentioned
existing
literature.
Herein,
we
reported
that
poly(methacrylamide)
(PMAm)
hydrogel
can
be
systematically
regulated
a
vast
range
by
treating
with
different
salts,
for
example,
Young's
modulus
tuned
from
10–2
103
MPa.
The
unusual
behavior
salt-stiffening
arises
salt-enhanced
phase
separation
network
and
subsequent
glassy
transition
polymer-rich
phase.
Rheological
results
demonstrate
dynamic
hydrogels
superposed
onto
"time-salt
type"
master
curves
salt
types
aligning
along
Hofmeister
series.
shift
factor
exhibits
correlation
mobility
water
molecules
as
revealed
low-field
nuclear
magnetic
resonance
spectroscopy.
A
polymer–water–salt
ternary
interaction
mechanism
was
proposed
elucidate
equivalent
behavior.
Guided
principle,
processing
strategy
brought
up
expand
property
limits
PMAm
hydrogel.
With
simply
switching
employed,
could
either
stiff
wear-resistant
material
akin
plastics
or
soft
flowable
gel
utilizable
recycling.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 21, 2024
Abstract
Interconnecting
macromolecules
via
multiple
hydrogen
bonds
(H‐bonds)
can
simultaneously
strengthen
and
toughen
polymers,
but
material
synthesis
becomes
extremely
difficult
with
increasing
number
of
H‐bonding
donors
acceptors;
therefore,
most
reports
are
limited
to
triple
quadruple
H‐bonds.
Herein,
this
bottleneck
is
overcome
by
adopting
a
quartet‐wise
approach
constructing
H‐bonds
instead
the
traditional
pairwise
method.
Thus,
large
be
easily
established,
supramolecular
interactions
further
reinforced.
Especially,
when
such
H‐bond
motifs
embedded
in
four
macromolecular
chains—rather
than
two
as
usual—are
tied,
distributing
applied
stress
over
larger
volume
more
significantly
improving
overall
mechanical
properties.
Proof‐of‐concept
studies
indicate
that
proposed
intermolecular
(up
duodecuple)
readily
introduced
polyurethane.
A
record‐high
tensile
strength
(105.2
MPa)
achieved
alongside
outstanding
toughness
(352.1
MJ
m
−3
),
fracture
energy
(480.7
kJ
−2
fatigue
threshold
(2978.4
J
).
Meantime,
polyurethane
has
acquired
excellent
self‐healability
recyclability.
This
strategy
also
applicable
nonpolar
polydimethylsiloxane,
whose
(15.3
(50.3
)
among
highest
reported
date
for
silicones.
new
technique
good
expandability
used
develop
even
stronger
polymers.
Smart Molecules,
Journal Year:
2023,
Volume and Issue:
1(2)
Published: Sept. 1, 2023
Abstract
Dynamic
chemistry
refers
to
a
type
of
fundamental
science
that
involves
precise
construction
or
regulation
reactional,
motional,
constitutional
dynamics
chemical
systems.
Under
the
meticulous
design
chemists,
nanoscopic
dynamics,
either
molecular
supramolecular,
are
managed
scale
up
macroscopic
dynamic
properties.
For
example,
stimuli‐induced
conformational
configurational
changes
polymer
skeletons
result
in
unexpected
functions
polymers,
such
as
self‐healing
and
shape‐shifting
behaviors.
This
review
focuses
on
how
microscopic
these
components
initiate
reversible
deformation
corresponding
materials
upon
external
stimuli.
The
discussed
terms
subtle
design,
mechanisms,
critical
roles
building
materials.
Furthermore,
this
puts
forward
challenges
opportunities
for
field
polymers
both
aspects
material
fabrication.
We
hope
can
provide
new
inspiration
development
particular
research
field.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(25)
Published: April 16, 2024
Abstract
Polyester
plastics,
constituting
over
10%
of
the
total
plastic
production,
are
widely
used
in
packaging,
fiber,
single‐use
beverage
bottles,
etc.
However,
their
current
depolymerization
processes
face
challenges
such
as
non‐broad
spectrum
recyclability,
lack
diversified
high‐value‐added
products,
and
crucially
high
energy
consumption.
Herein,
an
efficient
strategy
is
developed
for
dismantling
compact
structure
polyester
plastics
to
achieve
diverse
monomer
recovery.
undergo
swelling
decrystallization
with
a
low
barrier
via
synergistic
effects
polyfluorine/hydrogen
bonding,
which
further
demonstrated
density
functional
theory
calculations.
The
process
elucidated
through
scanning
electron
microscopy
analysis.
Obvious
destruction
crystalline
region
X‐ray
crystal
diffractometry
curves.
PET
undergoes
different
aminolysis
efficiently,
yielding
nine
corresponding
monomers
low‐energy
upcycling.
Furthermore,
four
types
five
blended
closed‐loop
recycled,
affording
exceeding
90%
yields.
Kilogram‐scale
real
polyethylene
terephthalate
(PET)
waste
successfully
achieved
96%
yield.
Gels,
Journal Year:
2024,
Volume and Issue:
10(7), P. 442 - 442
Published: July 4, 2024
Polymeric
hydrogels
are
soft
materials
with
a
three-dimensional
(3D)
hydrophilic
network
capable
of
retaining
and
absorbing
large
amounts
water
or
biological
fluids.
Due
to
their
customizable
properties,
these
extensively
studied
for
developing
matrices
3D
cell
culture
scaffolds,
drug
delivery
systems,
tissue
engineering.
However,
conventional
still
exhibit
many
drawbacks;
thus,
significant
efforts
have
been
directed
towards
dynamic
that
draw
inspiration
from
organisms’
natural
self-repair
abilities
after
injury.
The
self-healing
properties
closely
associated
ability
form,
break,
heal
bonds
in
response
various
stimuli.
primary
objective
this
review
is
provide
comprehensive
overview
by
examining
the
types
chemical
them
biopolymers
utilized,
elucidate
nature
enable
modulation
hydrogels’
properties.
While
ensure
behavior
hydrogels,
they
do
not
inherently
confer
adhesive
Therefore,
we
also
highlight
emerging
approaches
acquire
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 11, 2024
Abstract
Reversible
and
recyclable
thermosets
have
garnered
increasing
attention
for
their
smart
functionality
sustainability.
However,
they
still
face
challenges
in
balancing
comprehensive
performance
dynamic
features.
Herein,
silicon
(Si)─oxygen
(O)
imidazole
units
covalent
bonds
are
coupled
to
generate
a
new
class
of
bio‐polyimines
(Bio‐Si‐PABZs),
endow
them
with
high
excellent
reprocessing
capability
acid‐degradability.
By
tailoring
the
molar
content
diamines,
this
Bio‐Si‐PABZs
displayed
both
markedly
glass
transition
temperature
(162
°C)
char
yield
at
800
°C
an
oxygen
atmosphere
(73.1%).
These
favorable
properties
outperformed
various
previously
reported
polyimines
competed
effectively
commercial
fossil‐based
polycarbonate.
Moreover,
scratch
(≈10
µ
m)
on
surface
samples
can
be
self‐healing
within
only
2
min,
effective
“
Bird
Nest
”‐to‐“
Torch
”
recycling
also
achieved
through
free
amines
solution.
Most
importantly,
bio‐based
siloxane
adhesive
derived
from
intermediate
Bio‐Si‐PABZ‐1
by
acidic
degradation
demonstrated
broad
robust
adhesion
substrates,
values
reaching
up
≈3.5
MPa.
For
first
time,
study
lays
scientific
groundwork
designing
polyimine
Si─O
units,
as
well
converting
plastic
wastes
into
thermal‐reversibility
renewable
adhesives.
