Synergetic “amine scissors” break down cured epoxy resins with nearly 100% degradation efficiency
Furong Xie,
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Rong Chen,
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Chao Deng
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et al.
Chemical Engineering Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 161175 - 161175
Published: March 1, 2025
Language: Английский
Reversible Switching and Recycling of Thermoresponsive 1,2,4-Triazolium-Based Poly(ionic liquid) Catalysts for Porous Organic Cage Synthesis in Organic Media
Jiefeng Zhu,
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Feng Chen,
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Mingjie Zhang
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et al.
ACS Macro Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 458 - 463
Published: March 23, 2025
Homogeneous
catalysts
of
high
activity
and
selectivity
often
face
challenges
in
the
separation
from
feedstocks
products
after
reactions.
In
contrast,
heterogeneous
are
easier
to
separate,
usually
at
cost
compromised
catalytic
performance.
By
designing
capable
switching
between
homogeneous
states
for
catalysis
separation,
merits
both
could
be
synergistically
combined.
this
study,
a
thermoresponsive
1,2,4-triazolium-based
poly(ionic
liquid)
(PIL)
was
applied
as
temperature-switchable
organocatalyst
controlled
synthesis
porous
organic
cages
methanol.
Variation
reaction
temperature
induced
phase
transition
PIL,
causing
polymer
chains
dissolve
or
collapse
methanol,
thereby
exposing
shielding
catalytically
active
sites
proceed
retard
reaction,
respectively.
To
note,
sufficiently
low
temperature,
PIL
catalyst
precipitated
out
its
methanol
solution
separated
by
centrifugation
filtration
reuse,
similar
common
catalysts.
Such
switchable
recyclable
properties
polymeric
will
inspire
design
efficient
adaptable
hybrid
nanoreactors
liquid
media.
Language: Английский
Semi-continuous hydrothermal waste valorization: facile protocol for monomer recovery from poly(bisphenol A carbonate)
János Béri,
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Mihály Hegyi,
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Blanka Tóth
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et al.
The Journal of Supercritical Fluids,
Journal Year:
2025,
Volume and Issue:
unknown, P. 106610 - 106610
Published: March 1, 2025
Language: Английский
Catalytic transformation of epoxy resin into dicyclohexane
G. B. Deng,
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Liang Li,
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Chenguang Wang
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et al.
Reaction Chemistry & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Selective
conversion
of
epoxy
resin
into
dicyclohexanes
(83.6%
yield)
can
be
achieved
via
cooperative
catalysis
between
heterogeneous
Pd/C
and
HZSM-5
catalysts.
Language: Английский