Macromolecules,
Год журнала:
2020,
Номер
53(12), С. 4678 - 4684
Опубликована: Июнь 3, 2020
Near-infrared
(NIR)
photoinduced
chemical
processes
are
highly
attractive
for
specific
applications
owing
to
the
deep
penetration
of
NIR
into
nontransparent
materials
including
biological
and
synthetic
materials.
Robust
atom
transfer
radical
polymerization
(photoATRP)
was
achieved
using
upconversion
nanoparticles
(UCNPs)
as
an
internal
light
converter
turn
a
980
nm
wavelength
UV/vislight.
This
photoATRP
capable
polymerizing
both
hydrophobic
hydrophilic
monomers
at
low
loading
ppm
concentrations
CuBr2/tris(2-pyridylmethyl)amine
catalyst
under
irradiation
(4
W/cm2)
UCNPs
with
reusable
performance,
providing
well-defined
polymers
predetermined
molecular
weight,
dispersity,
excellent
chain-end
fidelity.
The
switching
"on/off"
showed
temporal
control
polymerization.
exhibited
penetrations
through
several
visible
light-proof
barriers
light,
it
may
provide
future
directions
photopolymerization
in
systems,
especially
systems
containing
photosensitive
moieties.
Macromolecular Rapid Communications,
Год журнала:
2018,
Номер
40(1)
Опубликована: Окт. 30, 2018
Approaching
25
years
since
its
invention,
atom
transfer
radical
polymerization
(ATRP)
is
established
as
a
powerful
technique
to
prepare
precisely
defined
polymeric
materials.
This
perspective
focuses
on
the
relation
between
structure
and
activity
of
ATRP
catalysts,
consequent
choice
initiating
system,
which
are
paramount
aspects
well-controlled
polymerizations.
The
mechanism
discussed,
including
effect
kinetic
thermodynamic
parameters
side
reactions
affecting
catalyst.
coordination
chemistry
copper
complexes
used
in
reviewed
chronological
order,
while
emphasizing
structure-activity
correlation.
ATRP-initiating
systems
described,
from
normal
low
ppm
Cu
systems.
Most
recent
advancements
regarding
dispersed
media
oxygen-tolerant
techniques
presented,
well
future
opportunities
that
arise
progressively
more
active
catalysts
deeper
mechanistic
understanding.
Chemical Reviews,
Год журнала:
2021,
Номер
122(2), С. 1830 - 1874
Опубликована: Ноя. 29, 2021
The
development
of
photoinduced
organocatalyzed
atom
transfer
radical
polymerization
(O-ATRP)
has
received
considerable
attention
since
its
introduction
in
2014.
Expanding
on
many
the
advantages
traditional
ATRP,
O-ATRP
allows
well-defined
polymers
to
be
produced
under
mild
reaction
conditions
using
organic
photoredox
catalysts.
As
a
result,
opened
access
range
sensitive
applications
where
use
metal
catalyst
could
concern,
such
as
electronics,
certain
biological
applications,
and
coordinating
monomers.
However,
key
limitations
this
method
remain
necessitate
further
investigation
continue
field.
such,
review
details
achievements
made
to-date
well
future
research
directions
that
will
expand
capabilities
application
landscape
O-ATRP.
ACS Catalysis,
Год журнала:
2019,
Номер
9(12), С. 11153 - 11188
Опубликована: Ноя. 8, 2019
Polymers
have
become
one
of
the
largest
and
most
important
materials
we
use
in
daily
life.
Their
popularity
has
stemmed
from
their
wide
range
material
properties
combined
with
low
cost
production.
Both
these
attractive
traits
part
been
enabled
by
development
catalytic
polymerizations,
which
provide
both
high
levels
control
while
also
delivering
productivity.
In
this
Perspective,
highlight
recent
trends
achievements
made
growing
field
polymerizations.
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.
Journal of the American Chemical Society,
Год журнала:
2022,
Номер
144(34), С. 15413 - 15430
Опубликована: Июль 26, 2022
Since
its
inception,
atom
transfer
radical
polymerization
(ATRP)
has
seen
continuous
evolution
in
terms
of
the
design
catalyst
and
reaction
conditions;
today,
it
is
one
most
useful
techniques
to
prepare
well-defined
polymers
as
well
notable
examples
catalysis
polymer
chemistry.
This
Perspective
highlights
fundamental
advances
ATRP
reactions
catalysts,
focusing
on
crucial
role
that
mechanistic
studies
play
understanding,
rationalizing,
predicting
outcomes.
A
critical
summary
traditional
systems
provided
first;
we
then
focus
recent
developments
improve
selectivity,
control
polymerizations
via
external
stimuli,
employ
new
photochemical
or
dual
catalytic
with
an
outlook
future
research
directions
open
challenges.
Macromolecular Rapid Communications,
Год журнала:
2020,
Номер
41(8)
Опубликована: Март 5, 2020
Abstract
This
review
focuses
on
the
attachment
of
polymer
brushes
to
polymeric
biomaterial
substrates
by
chemical
surface
modification
methods
for
biomedical
applications.
In
first
part
this
paper,
a
general
introduction
synthesis
is
given.
Thereafter,
comprehensive
overview
recent
work
biomaterials,
with
focus
“grafting‐to,”
“grafting‐from,”
and
“grafting‐through”
strategies,
provided.
Finally,
some
representative
cutting‐edge
applications
modified
mainly
including
antifouling
materials
biocompatible
materials,
are
highlighted.
On
basis
literature
study,
perspective
future
trends
in
field
Reversible-deactivation
radical
polymerizations
(RDRPs)
have
revolutionized
synthetic
polymer
chemistry.
Nowadays,
RDRPs
facilitate
design
and
preparation
of
materials
with
controlled
architecture,
composition,
functionality.
Atom
transfer
polymerization
(ATRP)
has
evolved
beyond
traditional
field,
enabling
synthesis
organic-inorganic
hybrids,
bioconjugates,
advanced
polymers
for
electronics,
energy,
environmentally
relevant
polymeric
broad
applications
in
various
fields.
This
review
focuses
on
the
relation
between
ATRP
technology
12
principles
green
chemistry,
which
are
paramount
guidelines
sustainable
research
implementation.
The
features
presented,
discussing
environmental
and/or
health
issues
challenges
that
remain
to
be
overcome.
Key
discoveries
recent
developments
highlighted,
while
providing
a
perspective
future
opportunities
this
area.