Construction of pyridine-based porous ionic polymers with rich multifunctional sites for efficient CO2 cycloaddition
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
13(1), С. 115366 - 115366
Опубликована: Янв. 7, 2025
Язык: Английский
Hematin supported on Colour Catcher®: a biodegradable heterogeneous catalyst for halogen-free CO2 cycloadditions
Catalysis Science & Technology,
Год журнала:
2024,
Номер
14(14), С. 3996 - 4006
Опубликована: Янв. 1, 2024
A
Colour
Catcher®
sheet
was
employed
as
a
solid
support
for
immobilizing
biologically
derived
porphyrin
species.
The
resulted
cheap,
user-friendly
and
recyclable
material
efficient
in
catalyzing
the
CO
2
cycloaddition
to
three-membered
rings.
Язык: Английский
Triazine and urea constructed polyurea microsphere as a promising catalyst for CO2 conversion to cyclic carbonates
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116312 - 116312
Опубликована: Март 1, 2025
Язык: Английский
One-pot synthesis of copper phthalocyanine polymer: an efficient CO2 fixation catalyst
Materials Today Communications,
Год журнала:
2024,
Номер
41, С. 110875 - 110875
Опубликована: Ноя. 2, 2024
Язык: Английский
A2B2-Type Zinc(II) Porphyrin-Modified Organic Polymers with Flexible Linkers for Efficient Fixation of CO2 to Cyclic Carbonate
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(31), С. 13469 - 13479
Опубликована: Июль 24, 2024
Two
A2B2-type
zinc(II)
porphyrin-modified
organic
polymers
Poly(ZnEtPpI2/BDDA)
and
Poly(ZnMePpI2/BDDA)
were
synthesized
by
the
free-radical
copolymerization
of
flexible
1,4-butanediol
diacrylate
(BDDA)
with
novel
porphyrins
ZnEtPpI2
ZnMePpI2,
respectively.
The
characterizations
both
carried
out
successfully.
two
had
abundant
dual-function
sites
(Zn2+
I–)
excellent
adsorption
capacity
for
solvent,
showing
high
catalytic
activity
CO2
fixation
to
cyclic
carbonate
under
conditions
120
°C
1.0
MPa
CO2.
Specifically,
displayed
highest
a
TOF
1480
h–1
cycloaddition
epichlorohydrin
(ECH)
wide
applicability
different
epoxides.
Moreover,
showed
stability
could
be
recycled
at
least
7
times.
Finally,
kinetic
experiments
confirmed
that
was
promising
catalyst
relatively
low
activation
energy
(35.3
kJ/mol)
carbonate.
Язык: Английский
Metalloporphyrin- and Phosphonium-Bifunctionalized Porous Organic Polymers for Efficient Synergistic Catalysis of CO2 Conversion under Mild Conditions
Tingyan Peng,
Ning Zhou,
Cheng Zhang
и другие.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Functional
porous
organic
polymers
(POPs)
have
been
widely
developed
as
heterogeneous
catalysts
for
carbon
dioxide
(CO
Язык: Английский
Construction of the Co3O4/Nb2O5 Composite Catalyst with a Prickly Spherelike Architecture for CO2 Cycloaddition with Styrene Oxide
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
A
high-performance
Nb
Язык: Английский
A2B2‐zinc(II)porphyrin/divinylbenzene Copolymer as Efficiently Bifunctional Catalyst for Cycloaddition of CO2 with Epoxides
European Journal of Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Abstract
In
this
work,
the
A
2
B
‐type
Zn‐porphyrin
(ZnPorI
)
featuring
vinyl
and
imidazolium
groups
was
utilized
to
prepare
porous
organic
polymers
(POPs).
The
group
served
as
linking
unit
for
copolymerization
with
rigid
divinylbenzene
(DVB).
introduced
iodide
ions
(I
−
into
ZnPorI
/nDVB
(n=30,
50)
Lewis
base.
By
fine‐tuning
DVB
ratio,
it
is
possible
optimize
porosity,
morphology,
content
of
Zn‐porphyrin.
Owing
synergistic
effect
Zn
2+
I
,
as‐prepared
/30DVB
exhibited
excellent
catalytic
activities
in
cycloaddition
carbon
dioxide
epoxides.
Язык: Английский
Construction of a Binary Organocatalytic System Based on Urea-Based Hydrogen Bond Donors and Polyether Ionic Liquids and its Application to CO<sub>2</sub> Cycloaddition Reactions
Materials science forum,
Год журнала:
2024,
Номер
1138, С. 49 - 54
Опубликована: Дек. 17, 2024
To
alleviate
the
environmental
problems
caused
by
excessive
emission
of
CO
2
,
this
study
designed
and
synthesized
a
binary
organocatalytic
system
based
on
urea-based
hydrogen
bond
donors
polyether
ionic
liquids
cycloaddition
reaction
that
converts
small-molecule
epoxides
into
cyclic
carbonates
with
high
industrial
application
value.
The
is
liquid,
introducing
an
organic
base
(to
trap
activate
),
donor
epoxide),
nucleophilic
reagent
unit
help
open
ring
epoxides),
variety
active
sites.
In
paper,
effects
as
well
structure
activity
were
investigated,
optimal
HBD/Lewis
catalytic
was
established,
cycle
life
tested.
Язык: Английский