Macromolecules,
Год журнала:
2020,
Номер
53(2), С. 631 - 639
Опубликована: Янв. 16, 2020
The
combination
of
high-throughput
(HTP)
processes
and
flow-mediated
synthesis
allows
large
data
sets
to
be
generated
quickly
while
also
permitting
quantities
materials
prepared
in
a
continuous
fashion.
In
this
work,
the
benefits
well-plate-based
HTP
polymerization
chemistry
are
used
streamline
screening
upscaling
value-added
biomedical
through
robust
photopolymerization
strategy,
namely,
photoinduced
electron/energy
transfer-reversible
addition–fragmentation
chain
transfer
(PET-RAFT)
polymerization.
A
library
potential
antimicrobial
polymers
was
from
an
initial
pool
monomers
tested
for
their
activity
against
Pseudomonas
aeruginosa
(PA).
most
promising
candidates
then
elucidated
structure–property
analyses
performed
via
both
plate
flow
processes;
interestingly,
terpolymerization
mixtures
acrylate
acrylamide
produced
terpolymers
with
gradient
architectures
due
reactivity
ratios,
which
ultimately
dictated
resulting
activity.
Finally,
found
have
highest
were
upscaled
reactor.
This
workflow
provides
general
highly
accessible
methodology
discovery
synthetic
scaling
optimized
polymer
structures
applications
such
as
new
agents.
ACS Macro Letters,
Год журнала:
2019,
Номер
8(8), С. 1029 - 1054
Опубликована: Авг. 7, 2019
In
this
Perspective,
we
summarize
recent
progress
in
polymerization-induced
self-assembly
(PISA)
for
the
rational
synthesis
of
block
copolymer
nanoparticles
with
various
morphologies.
Much
PISA
literature
has
been
based
on
thermally
initiated
reversible
addition-fragmentation
chain
transfer
(RAFT)
polymerization.
Herein,
pay
particular
attention
to
alternative
protocols,
which
allow
preparation
improved
control
over
morphology
and
functionality.
For
example,
initiation
visible
light,
redox
chemistry,
or
enzymes
enables
incorporation
sensitive
monomers
fragile
biomolecules
into
nanoparticles.
Furthermore,
syntheses
postfunctionalization
resulting
(e.g.,
cross-linking)
can
be
conducted
sequentially
without
intermediate
purification
by
using
external
stimuli.
Finally,
formulations
have
optimized
via
high-throughput
polymerization
recently
evaluated
within
flow
reactors
facile
scale-up
syntheses.
Chemical Reviews,
Год журнала:
2020,
Номер
120(5), С. 2950 - 3048
Опубликована: Фев. 21, 2020
The
past
decades
have
witnessed
an
increasing
interest
in
developing
advanced
polymerization
techniques
subjected
to
external
fields.
Various
physical
modulations,
such
as
temperature,
light,
electricity,
magnetic
field,
ultrasound,
and
microwave
irradiation,
are
noninvasive
means,
having
superb
but
distinct
abilities
regulate
polymerizations
terms
of
process
intensification
spatial
temporal
controls.
Gas
emerging
regulator
plays
a
distinctive
role
controlling
resembles
some
cases.
This
review
provides
systematic
overview
seven
types
external-field-regulated
polymerizations,
ranging
from
chain-growth
step-growth
polymerization.
A
detailed
account
the
relevant
mechanism
kinetics
is
provided
better
understand
each
field
In
addition,
given
crucial
modeling
simulation
mechanisms
investigation,
model
construction
typical
numerical
methods
used
this
well
highlights
interaction
between
experiment
toward
existing
systems
given.
At
end,
limitations
future
perspectives
for
critically
discussed.
state-of-the-art
research
progress
not
only
fundamental
principles
underlying
also
stimulates
new
development
methods.
Advanced Materials,
Год журнала:
2019,
Номер
32(18)
Опубликована: Дек. 1, 2019
Abstract
Recent
achievements
and
future
opportunities
for
the
design
of
2D,
3D,
4D
materials
using
photochemical
reactions
are
summarized.
Light
is
an
attractive
stimulus
material
due
to
its
outstanding
spatiotemporal
control,
ability
mediate
rapid
polymerization
under
moderate
reaction
temperatures.
These
features
have
been
significantly
enhanced
by
major
advances
in
light
generation/manipulation
with
light‐emitting
diodes
optical
fiber
technologies
which
now
allows
a
broad
range
cost‐effective
fabrication
protocols.
This
combination
driving
preparation
sophisticated
at
nano‐,
micro‐,
macrosize
scales.
Looking
ahead,
challenges
that
will
impact
field
help
shape
as
versatile
tunable
tool
highlighted.
Macromolecular Rapid Communications,
Год журнала:
2019,
Номер
41(1)
Опубликована: Авг. 30, 2019
Abstract
The
development
of
metal‐organic
frameworks
(MOFs)
has
had
a
significant
impact
on
various
fields
chemistry
and
materials
science.
Naturally,
polymer
science
also
exploited
this
novel
type
material
for
purposes,
which
is
due
to
the
defined
porosity,
high
surface
area,
catalytic
activity
MOFs.
present
review
covers
topics
MOF/polymer
research
beginning
with
MOF‐based
polymerization
catalysis.
Furthermore,
inside
MOF
pores
as
well
ligands
described,
have
effect
structures.
Finally,
hybrid
composite
are
highlighted,
encompassing
range
classes,
like
bulk
materials,
membranes,
dispersed
materials.
In
course
review,
applications
combinations
discussed
(e.g.,
adsorption,
gas
separation,
drug
delivery,
catalysis,
organic
electronics,
stimuli‐responsive
materials).
past
concluded
an
outlook
toward
future
provided.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(9), С. 3035 - 3097
Опубликована: Янв. 1, 2023
In
this
review,
we
provide
a
brief
history,
progress,
and
applications,
discuss
the
remaining
challenges
of
photocontrolled
reversible
addition-fragmentation
chain
transfer
(RAFT)
polymerization
(i.e.,
photoinduced
electron/energy
transfer-RAFT
(PET-RAFT),
photoiniferter,
photomediated
cationic
RAFT
polymerization).
Among
these,
visible-light-driven
has
attracted
particular
attention
in
recent
years
due
to
its
benefits,
including
low
energy
consumption
safe
reaction
procedure.
Moreover,
incorporation
visible-light
photocatalysis
conferred
attractive
features,
such
as
spatiotemporal
control
oxygen
tolerance;
however,
clear
understanding
mechanism
not
been
completely
provided.
We
also
present
research
efforts
elucidate
mechanisms
with
aid
quantum
chemical
calculations
combined
experimental
evidence.
This
review
offers
an
insight
into
better
design
systems
for
desired
applications
helps
realize
full
potential
both
academic-
industrial-scale
applications.
Angewandte Chemie International Edition,
Год журнала:
2021,
Номер
60(16), С. 8839 - 8850
Опубликована: Янв. 15, 2021
Abstract
RAFT
facilitated
digital
light
projection
3D
printing
of
polymeric
materials
provides
a
convenient
and
facile
route
for
inducing
post‐fabrication
transformations
via
reactivation
dormant
chain
transfer
agents.
In
this
work,
we
report
the
use
Norrish
type
I
photoinitiator
in
conjunction
with
agent
to
produce
variety
open‐air
printable
resins
that
rapidly
cure
under
visible
irradiation.
The
photoinitiator‐RAFT
system
polymerizes
extremely
quickly
high
build
rates
up
9.1
cm
h
−1
,
representing
7‐fold
increase
compared
previous
mediated
systems.
printed
containing
thiocarbonylthio
groups
can
be
also
produced
using
low
concentrations
divinyl
comonomers
initial
resins,
which
has
not
been
successfully
achieved
other
photocontrolled
polymerization
techniques.
Interestingly,
inclusion
agents
significantly
improves
resolution
formulations
without
agent,
allowing
fabrication
intricate
complex
objects.
Spatiotemporally
controlled
surface
modifications
objects
from
on
material
surfaces
were
performed
one
two‐pass
configurations,
multiple
successive
post‐printing
same
object.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Янв. 18, 2021
Abstract
Organocatalytic
atom
transfer
radical
polymerization
(O-ATRP)
is
recently
emerging
as
an
appealing
method
for
the
synthesis
of
metal-free
polymer
materials
with
well-defined
microstructures
and
architectures.
However,
development
highly
effective
catalysts
that
can
be
employed
at
a
practical
low
loading
are
still
challenging
task.
Herein,
we
introduce
catalyst
design
logic
based
on
heteroatom-doping
polycyclic
arenes,
which
leads
to
discovery
oxygen-doped
anthanthrene
(ODA)
organic
photoredox
O-ATRP.
In
comparison
known
organocatalysts,
ODAs
feature
strong
visible-light
absorption
together
high
molar
extinction
coefficient
(ε
455nm
up
23,950
M
–1
cm
),
allow
establishment
controlled
under
sunlight
ppm
levels
loading.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(23)
Опубликована: Фев. 7, 2022
The
application
of
photochemistry
in
polymer
synthesis
is
interest
due
to
the
unique
possibilities
offered
compared
thermochemistry,
including
topological
and
temporal
control,
rapid
polymerization,
sustainable
low-energy
processes,
environmentally
benign
features
leading
established
emerging
applications
adhesives,
coatings,
adaptive
manufacturing,
etc.
In
particular,
utilization
controlled/living
polymerizations
often
offers
capability
for
precise
control
over
macromolecular
structure
chain
length
addition
associated
advantages
photochemistry.
Herein,
latest
developments
photocontrolled
living
radical
cationic
their
combinations
syntheses
are
discussed.
This
Review
summarizes
highlights
recent
studies
area
photoinduced
polymerizations.
A
discussion
mechanistic
details
differences
as
well
parallels
between
different
systems
polymerization
methods
monomer
applicability.
