ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(23), С. 14568 - 14579
Опубликована: Ноя. 18, 2024
This
article
reports
the
development
of
a
self-healing
and
self-adhesive
homopolymer
vinyl
neodecanoate
(VNDc)
using
bulk
polymerization
process.
The
obtained
PVNDc
is
found
to
have
subzero
glass
transition
temperature
(Tg)
−3
°C
an
optical
transparency
comparable
that
inorganic
glass.
Moreover,
series
copolymers
VNDc
with
methyl
methacrylate
(MMA)
are
prepared
solution
process
understand
effect
second
comonomer
on
mechanism,
adhesion,
various
other
properties.
Since
PMMA
rigid
transparent
polymer,
modified
this
improve
toughness
soft,
stretchable
backbone.
With
introduction
MMA
VNDc,
stretchability,
self-healing,
adhesion
properties
were
disappear
due
substitution
longer
pendant
group
by
smaller
one,
disrupting
interlocking
tertiary
carbons
present
at
long-chain
end
monomer
residue
in
backbone
reduction
van
der
Waal
interaction
when
introduced
place
respectively.
sticky
adhesive
material
that,
further
blending
different
wt
%
conductive
fillers
MWCNT,
shows
electrical
conductivity
9.6
×
10–4
S/cm
(semiconducting)
fabricate
semiconductive
tape.
A
superstretchable,
heals
itself
without
external
stimuli
like
pressure,
temperature,
cross-linking
agents.
matrix
property
might
find
its
potential
application
flexible
devices,
such
as
adhesives
electronic
circuits
semiconducting
tapes.
Polymers,
Год журнала:
2024,
Номер
16(19), С. 2755 - 2755
Опубликована: Сен. 29, 2024
Polyvinyl
alcohol
(PVA)-based
hydrogels
have
attracted
significant
attention
due
to
their
excellent
biocompatibility,
tunable
mechanical
properties,
and
ability
form
stable
three-dimensional
networks.
This
comprehensive
review
explores
the
recent
advancements
in
PVA-based
hydrogels,
focusing
on
unique
fabrication
strategies,
multifunctional
applications.
Firstly,
it
discusses
various
facile
synthesis
techniques,
including
freeze/thaw
cycles,
chemical
cross-linking,
enhancement
which
led
enhanced
strength,
elasticity,
responsiveness
external
stimuli.
These
improvements
expanded
applicability
of
critical
areas
such
as
biomedical,
environmental
treatment,
flexible
electronics,
civil
engineering,
well
other
emerging
Additionally,
integration
smart
functionalities,
self-healing
capabilities
multi-responsiveness,
is
also
examined.
Despite
progress,
challenges
remain,
optimizing
stability
under
varying
conditions
addressing
potential
toxicity
cross-linkers.
The
concludes
by
outlining
future
perspectives,
emphasizing
fields
like
regenerative
medicine,
sustainability,
advanced
manufacturing.
It
underscores
importance
interdisciplinary
collaboration
realizing
full
these
versatile
materials
address
pressing
societal
challenges.
Abstract
Aqueous
zinc
metal
batteries
(AZMBs)
have
attracted
increasing
attention
due
to
their
low
cost
and
high
energy
density.
However,
practical
applications
are
constrained
by
Zn
dendritic
growth,
self‐corrosion,
poor
low‐temperature
adaptability.
Herein,
a
multi‐component
hydrogel
electrolyte
is
proposed
address
these
challenges.
Specifically,
dimethyl
sulfoxide
added
substitute
H
2
O
in
the
2+
solvation
sheath
disrupt
intrinsic
H─bond
network,
suppressing
interfacial
parasitic
reactions
induced
active
water
achieving
ultra‐low
freezing
point
(−60
°C);
while
acylamino
groups
on
polyacrylamide
chains
utilized
coordinate
with
SO
4
2−
,
leading
homogeneous
flux
reduced
by‐products
accumulation.
Benefitting
from
synergistic
effects,
stable
plating/stripping
average
Coulombic
efficiency
of
99.5%
for
1200
h
at
0.5
mA
cm
−2
achieved.
To
manifest
superiority
electrolyte,
free‐standing
α‐MnO
/single‐walled
carbon
nanotube
film
designed
as
cathode.
The
resulting
AZMB
exhibits
large
specific
capacity,
prominent
rate
capability
(157.5
mAh
g
−1
10
C),
cyclic
stability,
good
performance
(68.8%
capacity
retention
−20
°C),
which
also
demonstrates
excellent
safety
under
extreme
conditions
hammering,
cutting,
burning,
punching,
soaking.
This
work
provides
an
inspired
strategy
build
robust,
multi‐functional,
inexpensive
aqueous
batteries.
