Enhanced Multifunction in Polyurethane Elastomers via Regulation of Triple‐Crosslinked Network With Dynamic Covalent and Noncovalent Bonds
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
ABSTRACT
Self‐healing
polyurethane
elastomers
with
dynamic
crosslinking
networks
are
promising
candidates
for
intelligent
next‐generation
coatings.
However,
their
constitutive
relation
shows
conflicts
between
high
mechanical
performance
and
room‐temperature
self‐healing,
as
well
recyclability.
Here,
a
regulation
strategy
of
triple‐crosslinked
network
in
the
hard
domain
was
proposed
to
achieve
multifunction
enhancement
via
covalent
borate
ester
bonds
coupling
noncovalent.
The
distribution
ratio
bonds,
boron‐nitrogen
coordination
multiple
hydrogen
were
meticulously
designed
balance
fracture
reconstruction
molecular
network.
introduced
enabled
basic
self‐healing
through
molecule‐level
topological
evolution.
abundant
provided
external
noncovalent
reversible
networks,
thus
improving
tensile
strength
toughness
physical
points.
obtained
exhibited
impressive
light
transmittance
93%,
41.07
MPa,
elongation
at
break
1673.20%,
166.74
MJ
m
−3
,
almost
entirely
48
h.
These
even
maintained
90%
original
properties
after
suffering
three
recycles.
This
may
promote
practical
application
coatings
automobile
flexible
electronic
industry.
Язык: Английский
Synthesis of anti-ultraviolet and fluorescent waterborne polyurethanes with highly active plant oil-based internal emulsifiers
Resources Chemicals and Materials,
Год журнала:
2025,
Номер
unknown, С. 100114 - 100114
Опубликована: Апрель 1, 2025
Язык: Английский
Cellulosic Triboelectric Elastomers for Energy Harvesting and Emerging Applications
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
Abstract
Triboelectric
elastomers,
renowned
for
their
exceptional
mechanical
resilience,
biocompatibility,
and
self‐powering
capabilities,
emerge
as
compelling
candidates
flexible
electronic
materials.
Cellulose,
with
its
distinctive
multiscale
architecture,
exhibits
significant
performance
advantages
is
widely
recognized
enhancing
the
comprehensive
properties
of
triboelectric
elastomers.
Nevertheless,
intrinsic
correlation
between
cellulose's
structural
elastomers
remains
elusive,
posing
challenges
to
rational
design
cellulose‐based
This
review
article
focuses
on
elucidating
molecular
architectural
features
cellulose
mechanisms
in
amplifying
systematically
reviewing
latest
strategies
Furthermore,
it
delves
into
representative
applications
wearable
domains
such
energy
harvesting,
motion
detection,
human–machine
interaction.
Finally,
provides
a
perspective
opportunities
associated
terms
scalable
fabrication,
functional
diversification,
long‐term
stability.
endeavors
offer
valuable
insights
researchers,
facilitating
progression
materials
toward
more
sustainable
future.
Язык: Английский