Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
ABSTRACT
Vehicles
and
electronics
rely
on
detachable
reusable
hot‐melt
adhesives,
but
they
are
hard
to
reach
structural
bonding
strength
date.
In
this
work,
a
strategy
reconciling
cohesive
energy
adhesion
force
was
developed
overcome
the
trade‐off
relation
between
bulk
strength.
Specifically,
prepolymer
of
polytetrahydrofuran
ether
glycol
(PTMEG)
capped
by
isophorone
diisocyanate
(IPDI)
deliberately
extended
different
content
4‐aminophenyl
disulfide
(AD)
3,4‐dihydroxybenzaldehyde
(DBD),
aiming
at
manipulating
chain
length
thereafter
aggregation
state.
It
found
that
adhesive
PU‐PAD1.4
has
reached
an
ideal
balance
cohesion
adhesion.
This
not
only
boasts
high
possesses
re‐adhesion
capabilities
also
demonstrates
exceptional
performance
variety
metal
substrates,
especially
aluminum,
where
its
reaches
up
12.13
MPa.
Moreover,
self‐healing
feature
is
particularly
remarkable,
as
it
can
recover
98.28%
original
mechanical
properties
after
being
heated
80°C
for
just
30
min,
which
mainly
due
rapid
reorganization
hydrogen
bonds.
With
outstanding
toughness
strength,
PU‐PADx
offers
innovative
solutions
environmentally
friendly
high‐precision
processing
industries.
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
balance
between
cohesion
and
adhesion
is
controlled
by
a
binary
system
in
which
tetrafluorophthalic
acid
the
functional
core
of
to
fluoroplastics
via
fluorine–fluorine
interactions
OH⋯F/OH⋯O
hydrogen
bonds.
Luminescence,
Journal Year:
2025,
Volume and Issue:
40(3)
Published: March 1, 2025
ABSTRACT
In
recent
years,
with
the
rapid
development
of
flexible
electronics,
implantable
electronic
devices
have
received
increasing
attention,
and
they
provide
new
solutions
for
medical
diagnosis
treatment.
To
ensure
long‐term
stable
operation
in
internal
environment,
materials
conductivity,
flexibility,
biocompatibility,
other
properties
are
high
demand.
Hydrogels
polymers
three‐dimensional
network
structures
that
not
only
physical
chemical
similar
to
those
biological
tissues
but
can
be
also
modulated
by
introducing
functional
groups
regulate
adhesion,
self‐healing,
functions.
Therefore,
hydrogel‐based
bioelectronic
considered
a
candidate
direction
future
biomedical
field.
Here,
this
paper
reviews
research
progress
molecular
design
performance
modulation
functionalized
hydrogels
based
on
four
key
hydrogels:
toughness.
The
latest
use
device
applications
is
summarized
below.
Finally,
discussions
given
challenges
opportunities
devices.
Advanced Healthcare Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Abstract
Corneal
transplantation
regeneration
requires
bioadhesives
to
perform
long‐term
and
stable
adhesion
functions
in
a
wet
environment.
However,
many
current
studies
focus
on
the
instantaneous
or
short‐term
persistence
of
bioadhesives,
ignore
evaluation
their
behaviors
which
is
urgent
for
keratoplasty
repair
process.
In
view
this
situation,
dual
covalent
cross‐linking
hydrogel
(ASO)
bioadhesive
developed.
The
ASO
comprised
acrylated
gelatin(G‐AA),
thiolated
gelatin(G‐SH),
oxidized
dextran
(OD).
Introduction
thiol
chemistry
made
emergence
controllable
by
UV
light
irradiation.
analysis
feature
revealed
an
intriguing
phenomenon.
demonstrated
spatially
specific
control
over
behavior
first
penetrating
tissue
then
initiating
cross‐linking,
thereby
significantly
enhancing
its
ability.
can
maintain
more
than
50%
after
being
immersed
environment
one
month.
Subsequently,
adhesive
stability
once
again
corneal
lamellar
model
through
maintaining
strong
anchorage
donor
recipient
bed
promoting
integration.
unprecedented
mechanism
presented
study
provided
innovated
theoretical
basis
designing
with
superior
adhesion.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
ABSTRACT
Vehicles
and
electronics
rely
on
detachable
reusable
hot‐melt
adhesives,
but
they
are
hard
to
reach
structural
bonding
strength
date.
In
this
work,
a
strategy
reconciling
cohesive
energy
adhesion
force
was
developed
overcome
the
trade‐off
relation
between
bulk
strength.
Specifically,
prepolymer
of
polytetrahydrofuran
ether
glycol
(PTMEG)
capped
by
isophorone
diisocyanate
(IPDI)
deliberately
extended
different
content
4‐aminophenyl
disulfide
(AD)
3,4‐dihydroxybenzaldehyde
(DBD),
aiming
at
manipulating
chain
length
thereafter
aggregation
state.
It
found
that
adhesive
PU‐PAD1.4
has
reached
an
ideal
balance
cohesion
adhesion.
This
not
only
boasts
high
possesses
re‐adhesion
capabilities
also
demonstrates
exceptional
performance
variety
metal
substrates,
especially
aluminum,
where
its
reaches
up
12.13
MPa.
Moreover,
self‐healing
feature
is
particularly
remarkable,
as
it
can
recover
98.28%
original
mechanical
properties
after
being
heated
80°C
for
just
30
min,
which
mainly
due
rapid
reorganization
hydrogen
bonds.
With
outstanding
toughness
strength,
PU‐PADx
offers
innovative
solutions
environmentally
friendly
high‐precision
processing
industries.
