Behind the scenes of green chemistry: Glories and shadows of atom transfer radical polymerization environmental impact (E-factor)
Polymer,
Journal Year:
2024,
Volume and Issue:
313, P. 127737 - 127737
Published: Oct. 22, 2024
Language: Английский
Better Together: Photoredox/Copper Dual Catalysis in Atom Transfer Radical Polymerization
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 29, 2024
Abstract
Photomediated
Atom
Transfer
Radical
Polymerization
(photoATRP)
is
an
activator
regeneration
method,
which
allows
for
the
controlled
synthesis
of
well‐defined
polymers
via
light
irradiation.
Traditional
photoATRP
often
limited
by
need
high‐energy
ultraviolet
or
violet
light.
These
could
negatively
affect
control
and
selectivity
polymerization,
promote
side
reactions,
may
not
be
applicable
to
biologically
relevant
systems.
This
drawback
can
circumvented
introduction
catalytic
amount
photocatalysts,
absorb
visible
and/or
NIR
and,
therefore,
controlled,
regenerative
ATRP
performed
with
dual‐catalytic
cycle.
Herein,
a
critical
summary
recent
developments
in
field
dual‐catalysis
concerning
Cu‐catalyzed
provided.
Contributions
involved
species
are
examined
mechanistically,
followed
challenges
future
directions
towards
next
generation
advanced
functional
macromolecular
materials.
Language: Английский
Advancements in Polymer Science: Synthesis, Characterization, and Biomedical Applications of Homopolymers and Copolymers
Open Journal of Polymer Chemistry,
Journal Year:
2024,
Volume and Issue:
14(03), P. 167 - 198
Published: Jan. 1, 2024
Language: Английский
Interfacial and ion-pairing catalysis for oxygen-tolerant large-scale ATRP in ab initio emulsion
Francesco De Bon,
No information about this author
Ana B. Barbosa,
No information about this author
Teresa J. Lourenço Bernardino
No information about this author
et al.
European Polymer Journal,
Journal Year:
2024,
Volume and Issue:
214, P. 113142 - 113142
Published: May 16, 2024
A
cooperative
interfacial
and
ion-pairing
catalysis,
coupled
with
a
molecular
oxygen
reduction
reaction
(ORR),
to
scale
up
an
Atom
Transfer
Radical
Polymerization
of
n-butyl
acrylate
(BA)
from
20
mL
10
L
(scale-up
factor
=
500)
in
ab
initio
emulsion
conditions
is
introduced.
The
polymerization
driven
by
the
regeneration
[CuIL]+
through
CuII/Cu0
comproportionation.
simultaneously
converts
O2
H2O2
(which
then
degraded
sodium
pyruvate)
drives
butyl
acrylate.
anionic
surfactant
dodecyl
sulfate
(SDS)
facilitates
catalyst
transport
inside
outside
micelles
catalysis.
n-Butyl
polymerizations
are
investigated
on
small
Cu0
wire
larger
powder.
On
scale,
yielded
controlled
PBA-Br
(Mn
32.3
×
103;
Ð
1.39,
∼1.64
kg)
after
9
h.
Chain
extension
macroinitiators
proved
their
livingness.
An
on-line
electrochemical
monitoring
was
also
introduced
determine
instantaneous
CuI
CuII
concentrations
at
surface
during
polymerization.
Language: Английский
Formation path and kinetics of caking components from modified lignite in subcritical H 2 O–CO system
Qingsong Wang,
No information about this author
Tianru Zhang,
No information about this author
W. X. Zhang
No information about this author
et al.
International Journal of Coal Preparation and Utilization,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 20
Published: Sept. 25, 2024
Language: Английский
Better Together: Photoredox/Copper Dual Catalysis in Atom Transfer Radical Polymerization
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 29, 2024
Abstract
Photomediated
Atom
Transfer
Radical
Polymerization
(photoATRP)
is
an
activator
regeneration
method,
which
allows
for
the
controlled
synthesis
of
well‐defined
polymers
via
light
irradiation.
Traditional
photoATRP
often
limited
by
need
high‐energy
ultraviolet
or
violet
light.
These
could
negatively
affect
control
and
selectivity
polymerization,
promote
side
reactions,
may
not
be
applicable
to
biologically
relevant
systems.
This
drawback
can
circumvented
introduction
catalytic
amount
photocatalysts,
absorb
visible
and/or
NIR
and,
therefore,
controlled,
regenerative
ATRP
performed
with
dual‐catalytic
cycle.
Herein,
a
critical
summary
recent
developments
in
field
dual‐catalysis
concerning
Cu‐catalyzed
provided.
Contributions
involved
species
are
examined
mechanistically,
followed
challenges
future
directions
towards
next
generation
advanced
functional
macromolecular
materials.
Language: Английский