Despite
great
success
in
design
and
preparation
of
phase
change
microcapsules,
the
balance
anti-leakage,
high
thermal
conductivity,
multi-source
energy
exploitation
are
still
difficult
to
be
achieved
simultaneously,
which
remains
long-standing
bottleneck
for
efficient
safe
harvesting.
In
this
work,
a
multifunctional
double-shell
PANI
microcapsule
(MC)
encapsulating
material
(PCM)
was
designed
fabricated
via
an
emulsion
photopolymerization
strategy.
Thanks
outstanding
anti-permeability,
photo-thermal
property
PANI,
as-prepared
achieves
three
synergetic
effects
simultaneously:
low
leakage
rate,
solar
exploitation.
The
encapsulated
PCM
has
almost
unchanged
Tm
Tc,
negligible
(≤0.2
wt%)
normalized
melting
solidified
enthalpies
after
100
heating/cooling
cycles.
presence
polyaniline
shell
improves
conductivity
efficiency
providing
promising
strategy
extend
single
source
energy.
addition
heat
storage,
microcapsules
also
possess
anticorrosion
property,
is
particularly
attractive
coating
applications.
Accordingly,
resulted
could
act
as
candidate
with
all-in-one
features
temperature
regulated
properties,
durability
anti-corrosion
would
stimulate
wide
application
energy-saving
anticorrosive
smart
coatings.
ACS Omega,
Год журнала:
2024,
Номер
9(26), С. 28385 - 28396
Опубликована: Июнь 20, 2024
Commercial
perfume
microcapsules
are
becoming
popular
across
the
globe
to
fulfill
consumers'
demands.
However,
most
of
rely
on
synthetic
polymers
and/or
animal-sourced
ingredients
form
shells.
Therefore,
replacement
shell
materials
is
imperative
minimize
environmental
microplastic
pollution,
as
well
meeting
peoples'
needs,
religious
beliefs,
and
lifestyles.
Herein,
we
report
a
methodology
fabricate
environmentally
benign
dual-shell
(fungal
chitosan-SiO
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 20, 2025
This
study
introduces
an
eco-friendly
approach
to
fabricating
superstrong,
core-shell,
composite
microcapsules,
offering
a
sustainable
alternative
traditional
insoluble
microplastic-based
materials
like
melamine-formaldehyde.
These
microcapsules
were
engineered
with
thick
CaCO3
shell
formed
via
crystal
ripening
in
the
presence
of
water-soluble
poly(acrylic
acid),
encasing
hexylsalicylate
oil
core
armored
by
hydrophilic
SiO2
nanoparticles.
An
additional
polydopamine
layer
was
deposited
oxidative
autopolymerization
at
pH
8.5
for
improved
structural
and
surface
properties
resulting
microcapsules.
(D
3,2
=
8.8
±
0.3
μm)
spherical,
relatively
smooth
surface,
exhibited
unique
mechanical
properties,
which
are
essential
broaden
their
applications
industry.
Remarkably,
compression
tests
showed
mean
rupture
stress
73.5
5.0
MPa,
dramatically
surpasses
any
other
inorganic/synthetic
microcarrier
reported
literature.
In
addition,
only
10-20%
active
released
within
2
h
into
mixed
water-propanol
medium
used
as
accelerated
release
test,
where
solubility
is
high,
full
over
3
days.
Herein,
we
also
propose
novel
pathway-specific
binding
constant
(PSBC)
that
describes
strong
interaction
between
Ca2+
ions
connection
stoichiometric
ratio.
Overall,
these
hold
promise
multiple
fast-moving
consumer
goods,
maximizing
strength
encapsulation
valuable
functional
actives
paramount;
this
includes
but
not
limited
energy
storage,
household,
agrochemical,
personal
care,
healthcare
applications.
Double
emulsions
with
core-shell
structures
are
versatile
materials
used
in
applications
such
as
cell
culture,
drug
delivery,
and
synthesis.
A
droplet
library
precisely
controlled
dimensions
properties
would
streamline
screening
optimization
for
specific
applications.
While
microfluidic
generation
offers
high
precision,
it
is
typically
labor-intensive
sensitive
to
disturbances,
requiring
continuous
operator
intervention.
To
address
these
limitations,
we
present
an
artificial
intelligence
(AI)-empowered
automated
double
emulsion
generator.
This
system
integrates
a
convolutional
neural
network
(CNN)-based
object
detection
model,
decision-making,
feedback
control
algorithms
automate
collection.
The
monitors
every
171
ms-faster
than
Formula
1
driver's
reaction
time-ensuring
rapid
response
disturbances
consistent
production
of
single-core
emulsions.
It
autonomously
generates
libraries
25
distinct
monodisperse
droplets
user-defined
properties.
automation
reduces
labor
waste,
enhances
supports
reliable
generation.
We
anticipate
that
this
platform
will
accelerate
discovery
biomedical,
biological,
research.
Journal of Dispersion Science and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 8
Опубликована: Июль 1, 2024
Using
actual
experimental
data
of
single
emulsion
diameters
generated
from
glass
capillary
microfluidic
devices,
we
report
predictions
for
droplet
in
both
dripping
and
jetting
regimes
using
an
artificial
intelligence
neural
network.
This
is
the
first
time
that
has
been
employed
to
train
a
network
predict
these
particular
devices.
The
inputs
are
fluid
properties
co-flow
geometries
Specifically,
orifice
width,
spacing,
flow
rate
ratio,
inner
outer
number,
regime,
or
jetting.
set
consists
800
points;
80%
training
model
20%
testing.
Droplet
sizes
with
devices
varied
161
microns
1085
diameter,
most
regime.
Three
algorithms
–
Neural
Network,
Linear
Regression,
Support
Vector
Regression
were
compared
diameter
prediction.
A
performed
best
regime
accuracy
91.1%.
regression
three
models
92.6%
accuracy.
support
vector
regression,
10-fold
cross
validation
average
score
0.278,
was
outperformed
by
linear
scores
0.623
0.604,
respectively.
Finally,
have
also
successfully
graphic
user
interface
predicts
Gels,
Год журнала:
2023,
Номер
9(11), С. 849 - 849
Опубликована: Окт. 26, 2023
Monodispersed
polyethylene
glycol
diacrylate
(PEGDA)/acrylic
acid
(AA)
microgels
with
a
tuneable
negative
charge
and
macroporous
internal
structure
have
been
produced
using
Lego-inspired
droplet
microfluidic
device.
The
surface
of
was
controlled
by
changing
the
content
AA
in
monomer
mixture
from
zero
(for
noncharged
PEGDA
beads)
to
4
wt%.
macroporosity
polymer
matrix
introduced
adding
20
wt%
600-MW
(PEG)
as
porogen
material
into
mixture.
successfully
leached
out
acetone
after
UV-crosslinking,
which
resulted
micron-sized
cylindrical
pores
crater-like
morphology,
uniformly
arranged
on
microgel
surface.
Negatively
charged
PEGDA/AA
beads
showed
improved
adsorption
capacity
towards
positively
organic
dyes
(methylene
blue
rhodamine
B)
compared
neutral
high
repulsion
negatively
dye
molecules
(methyl
orange
congo
red).
Macroporous
better
properties
than
nonporous
beads,
maximum
methylene
45
mg/g
for
at
pH
8.6,
23
same
pH.
More
98%
Cu(II)
ions
were
removed
50
ppm
solution
6.7
2.7
mg/mL
microgel.
cationic
species
significantly
when
increased
3
9
due
higher
degree
ionization
monomeric
units
network.
synthesized
copolymer
can
be
used
drug
delivery
achieve
loading
therapeutic
agents
tissue
engineering,
where
scaffolds
coupled
porous
help
permeability
high-molecular-weight
metabolites
nutrients,
anti-fouling
activity
against
species.
Despite
great
success
in
design
and
preparation
of
phase
change
microcapsules,
the
balance
anti-leakage,
high
thermal
conductivity,
multi-source
energy
exploitation
are
still
difficult
to
be
achieved
simultaneously,
which
remains
long-standing
bottleneck
for
efficient
safe
harvesting.
In
this
work,
a
multifunctional
double-shell
PANI
microcapsule
(MC)
encapsulating
material
(PCM)
was
designed
fabricated
via
an
emulsion
photopolymerization
strategy.
Thanks
outstanding
anti-permeability,
photo-thermal
property
PANI,
as-prepared
achieves
three
synergetic
effects
simultaneously:
low
leakage
rate,
solar
exploitation.
The
encapsulated
PCM
has
almost
unchanged
Tm
Tc,
negligible
(≤0.2
wt%)
normalized
melting
solidified
enthalpies
after
100
heating/cooling
cycles.
presence
polyaniline
shell
improves
conductivity
efficiency
providing
promising
strategy
extend
single
source
energy.
addition
heat
storage,
microcapsules
also
possess
anticorrosion
property,
is
particularly
attractive
coating
applications.
Accordingly,
resulted
could
act
as
candidate
with
all-in-one
features
temperature
regulated
properties,
durability
anti-corrosion
would
stimulate
wide
application
energy-saving
anticorrosive
smart
coatings.
