Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 20, 2024
Abstract
Polymer
gels
are
fascinating
soft
materials
and
have
become
excellent
candidates
for
wearable
electronics,
biomedicine,
sensors,
etc.
Synthetic
usually
suffer
from
poor
mechanical
properties,
integrating
good
adhesiveness,
stability,
self‐healing
performances
in
one
gel
is
more
difficult.
Herein,
polymerization‐induced
self‐assembly
(PISA)
providing
PEG‐gels
with
an
overall
improvement
their
comprehensive
reported.
PISA
synthesis
carried
out
PEG
(solvent)
to
efficiently
produce
various
nanoparticles,
which
used
as
the
nanofillers
subsequent
of
dynamic
micelle‐crosslinked
hierarchical
structures.
Compared
hydrogels,
show
long‐term
stability
due
nonvolatile
feature
solvent.
The
(with
nanofillers)
exhibit
better
adhesive
properties
than
homogeneous‐gels
(without
nanofillers).
energy
dissipation
mechanism
analyzed
via
stress
relaxation
cyclic
tests.
High‐density
hydrogen
bonds
between
micelles
PAA
matrix
can
be
broken
reformed,
endowing
gels.
This
work
provides
a
simple
strategy
producing
structural
enhanced
offers
fundamentals
inspirations
designing
advanced
functional
materials.
Biomimetic
synthesis
represents
a
cutting-edge
topic
in
chemical
and
materials
sciences.
Herein,
we
present
an
approach
to
bioinspired
polymerization
autocatalysis
using
single
amino
acid
monomer
water.
Similar
biomolecular
condensates,
this
undergoes
entropically
driven
liquid–liquid
phase
separation
(LLPS)-mode
self-assembly
involving
densely
charged
molecular
clusters
formation,
LLPS
of
leading
submicron-scale
droplets,
crystallization
within
droplet
crowding
environments
resulting
dynamic
nanocrystals@droplets
finally
less
aged-lamellae.
Supramolecular
chirality
inversion
nanocrystal
disassembly
into
occur
upon
doping
minor
RAFT
agent.
Autocatalysis
with
solvent-tuned
H+-feedback
covalent-driven
is
achieved
extremely
nanocrystals@droplets.
Decelerated
kinetics
deionization/ion-pairing
underscore
the
vital
importance
for
"higher
charge
repulsion
leads
more
rapid
polymerization",
yielding
polymer
nanoparticles
protein-like
structural
complexity
up
>98%
conversion
2-min-propagation
period.
This
provides
new
insights
efficient
nanoparticles.
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 20, 2024
Abstract
Polymer
gels
are
fascinating
soft
materials
and
have
become
excellent
candidates
for
wearable
electronics,
biomedicine,
sensors,
etc.
Synthetic
usually
suffer
from
poor
mechanical
properties,
integrating
good
adhesiveness,
stability,
self‐healing
performances
in
one
gel
is
more
difficult.
Herein,
polymerization‐induced
self‐assembly
(PISA)
providing
PEG‐gels
with
an
overall
improvement
their
comprehensive
reported.
PISA
synthesis
carried
out
PEG
(solvent)
to
efficiently
produce
various
nanoparticles,
which
used
as
the
nanofillers
subsequent
of
dynamic
micelle‐crosslinked
hierarchical
structures.
Compared
hydrogels,
show
long‐term
stability
due
nonvolatile
feature
solvent.
The
(with
nanofillers)
exhibit
better
adhesive
properties
than
homogeneous‐gels
(without
nanofillers).
energy
dissipation
mechanism
analyzed
via
stress
relaxation
cyclic
tests.
High‐density
hydrogen
bonds
between
micelles
PAA
matrix
can
be
broken
reformed,
endowing
gels.
This
work
provides
a
simple
strategy
producing
structural
enhanced
offers
fundamentals
inspirations
designing
advanced
functional
materials.
