Materials Horizons,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Endowing
soft
and
long-range
stretchable
elastomers
with
exceptional
strength,
resilience,
ion-conductivity
is
crucial
for
high-performance
flexible
sensors.
However,
achieving
this
entails
significant
challenges
due
to
intrinsic
yet
mutually
exclusive
structural
factors.
In
work,
a
series
of
self-reinforcing
ion-conductive
(SRICEs)
thus
designed
meet
the
advanced
but
challenging
requirements.
The
SRICEs
behave
like
soft/hard
dual-phase
separated
micro-structure,
which
optimized
through
straightforward
preferential
assembly
strategy
(PAS)
ensure
that
subsequently
introduced
ions
are
locked
in
phase.
Meanwhile,
interaction
between
segments
meticulously
tailored
achieve
self-reinforcement
strain-induced
crystallization.
Consequently,
an
outstanding
ultimate
strength
approximately
∼51.0
MPa
instant
resilient
efficiency
∼92.9%
attained.
To
best
knowledge
authors,
these
record-high
values
achieved
simultaneously
one
elastomer.
Furthermore,
resultant
toughness
∼202.4
MJ
m
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Owing
to
their
extensive
application
scope,
elastomers
that
combine
high
strength
and
excellent
self-healing
efficiency
have
always
attracted
significant
attention
are
still
a
contradiction.
In
this
study,
novel
PU
elastomer
was
prepared
by
combining
rigid
poly(amic
acid)
(PAA)
chain
segments
3,3-dithiodipropionic
dihydrazide
(DPH)
containing
sextuple
hydrogen-bonding
units
disulfide
bonds.
The
exhibited
tensile
of
50.1
MPa
toughness
144.2
MJ/m3.
PAA
serve
as
framework,
significantly
enhancing
the
mechanical
elastomer.
Meanwhile,
DPH
with
bonds
enabled
exhibit
an
96.1%
after
12
h
at
80
°C.
Additionally,
strong
reversible
cross-linking
arrays
in
endows
it
strength,
ability,
recyclability,
allowing
be
recycled
hot
pressing
dissolution.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
With
the
advent
of
smart
era,
demand
for
clean
energy
is
rising,
and
flexible
triboelectric
nanogenerators
(F-TENGs)
based
on
elastomers
have
garnered
significant
attention.
Based
principles
electrostatic
induction
coupling,
F-TENGs
can
convert
mechanical
motion
into
electrical
are
widely
utilized
in
wearable
devices
blue
energy.
offer
a
simple
design,
ease
manufacturing,
usage
scenarios.
However,
several
weaknesses
still
limit
their
development.
For
example,
F-TENG
materials
cannot
recover
from
fatigue
damage
prone
to
output
performance
degradation
under
frequent
friction
or
complex
external
conditions,
leading
failure.
To
address
these
issues,
researchers
explored
use
self-healable
polymer-based
layers
electrodes.
This
review
will
provide
detailed
summary
key
scientific
technological
challenges
faced
by
harsh
environments,
including
ambient,
high
low
temperatures,
humidity,
strong
acids
bases.
Furthermore,
research
progress
addressing
issues
future
development
also
be
presented
explored.
paper
aims
valuable
insights
guidance
in-depth
broad
applications
TENGs.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(16), P. 10019 - 10028
Published: Aug. 12, 2024
Degradable
and
recyclable
thermosets
can
be
prepared
by
introducing
dynamic
bonds,
but
the
introduction
of
bonds
often
reduces
mechanical
properties
as
well
thermal
stability
materials,
a
balance
between
degradability,
properties,
cannot
achieved.
For
this
reason,
in
paper,
thermosetting
polyurethane
(BPU1.5)
with
multiple
excellent
was
simple
rapid
method
using
1,4-phenylenebisboronic
acid
to
introduce
quadruple
boron–oxygen
into
polyurethanes.
1,4-Phenylenebisboronic
acid,
cross-linking
agent,
on
one
hand,
provided
an
structure
for
BPU1.5,
which
resulted
stable
BPU1.5
(high
tensile
strength
up
34.0
MPa)
(5%
weight
loss
temperature
337.0
°C);
other
due
not
only
possesses
recycling
also
has
ability
degraded
rapidly
(complete
degradation
106
min
at
0.1
M
HCl/tetrahydrofuran).
In
addition,
strain
sensor
based
conductive
filler
detecting
finger
bending,
recycled
swelling
property
is
important
protection
environment
resource
conservation.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 2, 2025
Stretchable
electronic
skins
with
multifunctional
sensing
capabilities
are
of
great
importance
in
smart
healthcare,
wearable
display
electronics,
intelligent
robots,
and
human-machine
interfaces.
Thermoplastic
elastomers
play
a
pivotal
role
as
soft
substrate
the
field
stretchable
electronics.
However,
dynamic
interactions
common
thermoplastic
often
result
high
hysteresis
fatigue
damage,
limiting
their
performance
durability.
In
this
study,
highly
resilient
fatigue-resistant
elastomer
is
developed
by
employing
La3+-complexes
crosslinkers.
The
woven
structure
formed
between
prepolymer
ligands
lanthanum
(III)
metal
ions
establishes
stable
coordination
introduces
additional
entanglements
around
Furthermore,
self-assembles
into
hierarchical
nanoarchitectures,
which
serve
physical
crosslinks,
significantly
enhancing
mechanical
strength.
As
result,
new
exhibit
exceptional
strength
(Young's
modulus
≈3.47
MPa;
maximum
stress
≈16.52
MPa),
resilience
(residual
strain
during
cyclic
stretching
at
100%
≈8%),
resistance
(strength
retention
rate
≈90%
after
2000
cycles
stretching),
thermomechanical
properties
(creep
≈14.43%
residual
≈0.22%
80
°C
0.1
MPa).
Leveraging
high-performance
polyurethane
elastomer,
ultra-thin
flexible
electrodes
fabricated,
can
achieve
long-term
monitoring
physiological
signals
human
body.
