Langmuir,
Journal Year:
2023,
Volume and Issue:
39(31), P. 10881 - 10891
Published: June 30, 2023
In
this
study,
we
explored
the
influence
of
molecular
interactions
and
solvent
evaporation
kinetics
on
formation
porous
structures
in
electrospun
nanofibers,
utilizing
polyacrylonitrile
(PAN)
polystyrene
(PS)
as
model
polymers.
The
coaxial
electrospinning
technique
was
employed
to
control
injection
water
ethylene
glycol
(EG)
nonsolvents
into
polymer
jets,
demonstrating
its
potential
a
powerful
tool
for
manipulating
phase
separation
processes
fabricating
nanofibers
with
tailored
properties.
Our
findings
highlighted
critical
role
intermolecular
between
polymers
governing
structure
formation.
Additionally,
observed
that
size
polarity
nonsolvent
molecules
affected
process.
Furthermore,
were
found
significantly
impact
separation,
evidenced
by
less
distinct
when
using
rapidly
evaporating
like
tetrahydrofuran
(THF)
instead
dimethylformamide
(DMF).
This
work
offers
valuable
insights
intricate
relationship
during
electrospinning,
providing
guidance
researchers
developing
specific
characteristics
various
applications,
including
filtration,
drug
delivery,
tissue
engineering.
Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(7), P. 1243 - 1243
Published: March 31, 2023
Electrospinning
is
considered
to
be
an
efficient
method
prepare
piezoelectric
thin
films
because
of
its
ability
transform
the
phase
polymers.
A
core-sheath
structure
can
endow
fibers
with
more
functions
and
properties.
In
this
study,
a
were
prepared
using
polyvinylidene
fluoride
(PVDF)
included
nanoparticles
(NPs)
as
shell
layer
polycaprolactone
(PCL)
core
layer.
Their
mechanical
properties
studied
in
detail.
During
course
electrospinning
process,
PVDF
was
demonstrated
increase
amount
polar
phase,
help
acting
nucleating
agent
facilitate
change.
PCL
chosen
material
good
compatibility
PVDF.
Transmission
electron
microscope
(TEM)
assessments
revealed
that
have
structure,
layers
loaded
nanoparticles.
Mechanical
testing
showed
significantly
improve
The
XRD
patterns
indicated
β
domain
main
component.
Piezoelectric
doped
able
enhance
performances.
increases
provide
feasible
application
for
wearable
electronics,
which
require
flexibility
Macromolecular Bioscience,
Journal Year:
2023,
Volume and Issue:
24(2)
Published: Aug. 31, 2023
Abstract
Wearable
devices
attract
great
attention
in
intelligent
medicine,
electronic
skin,
artificial
intelligence
robots,
and
so
on.
However,
boundedness
of
traditional
sensors
based
on
rigid
materials
unconstrained
self‐multilayer
structure
assembly
dense
substrate
stretchability
permeability
limits
their
applications.
The
network
the
elastomeric
nanofibers
gives
them
excellent
air
stretchability.
By
introducing
metal
nanofillers,
intrinsic
conductive
polymers,
carbon
materials,
other
methods
to
construct
paths,
stretchable
conductors
can
be
effectively
prepared
by
nanofibers,
showing
potential
field
flexible
sensors.
This
perspective
briefly
introduces
representative
preparations
thermoplastic
polyurethane,
nylon,
hydrogel
electrospinning
application
integrated
biological
signal
detection.
main
challenge
is
unify
conductivity
fiber
structure.
Langmuir,
Journal Year:
2023,
Volume and Issue:
39(31), P. 10881 - 10891
Published: June 30, 2023
In
this
study,
we
explored
the
influence
of
molecular
interactions
and
solvent
evaporation
kinetics
on
formation
porous
structures
in
electrospun
nanofibers,
utilizing
polyacrylonitrile
(PAN)
polystyrene
(PS)
as
model
polymers.
The
coaxial
electrospinning
technique
was
employed
to
control
injection
water
ethylene
glycol
(EG)
nonsolvents
into
polymer
jets,
demonstrating
its
potential
a
powerful
tool
for
manipulating
phase
separation
processes
fabricating
nanofibers
with
tailored
properties.
Our
findings
highlighted
critical
role
intermolecular
between
polymers
governing
structure
formation.
Additionally,
observed
that
size
polarity
nonsolvent
molecules
affected
process.
Furthermore,
were
found
significantly
impact
separation,
evidenced
by
less
distinct
when
using
rapidly
evaporating
like
tetrahydrofuran
(THF)
instead
dimethylformamide
(DMF).
This
work
offers
valuable
insights
intricate
relationship
during
electrospinning,
providing
guidance
researchers
developing
specific
characteristics
various
applications,
including
filtration,
drug
delivery,
tissue
engineering.
