Dynamic Covalent Bonds Enabled Carbon Fiber Reinforced Polymers Recyclability and Material Circularity
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 20, 2024
Due
to
their
remarkable
features
of
lightweight,
high
strength,
stiffness,
high-temperature
resistance,
and
corrosion
carbon
fiber
reinforced
polymers
(CFRPs)
are
extensively
used
in
sports
equipment,
vehicles,
aircraft,
windmill
blades,
other
sectors.
The
urging
need
develop
a
resource-saving
environmentally
responsible
society
requires
the
recycling
CFRPs.
Traditional
CFRPs,
on
hand,
difficult
recycle
due
permanent
covalent
crosslinking
polymer
matrices.
combination
adaptable
networks
(CANs)
with
fibers
(CFs)
marks
new
development
path
for
closed-loop
recyclable
CFRPs
resins.
In
this
review,
we
summarize
most
recent
developments
from
unique
paradigm
dynamic
polymers,
CANs.
These
sophisticated
materials
diverse
functions,
oriented
towards
CFs
resin
sustainability,
further
categorized
into
several
active
domains
bonds,
including
ester
imine
disulfide
boronic
acetal
linkages,
etc.
Finally,
possible
strategies
future
design
CFPRs
by
combining
chemistry
innovation
interface
science
proposed.
Язык: Английский
Fatigue-resistant, Self-Healable and Thermally Conductive Polyurethane Composites Based on the Intrinsic π-π stacking Interactions between Boron Nitrides and Hard Segments
Materials Today Communications,
Год журнала:
2025,
Номер
unknown, С. 112228 - 112228
Опубликована: Март 1, 2025
Язык: Английский
Trapped entanglements in polymer networks: formation and characterization
Trends in Chemistry,
Год журнала:
2024,
Номер
6(8), С. 447 - 458
Опубликована: Авг. 1, 2024
Язык: Английский
Dynamic Covalent Bonds Enabled Carbon Fiber Reinforced Polymers Recyclability and Material Circularity
Angewandte Chemie,
Год журнала:
2024,
Номер
136(40)
Опубликована: Июль 20, 2024
Abstract
Due
to
their
remarkable
features
of
lightweight,
high
strength,
stiffness,
high‐temperature
resistance,
and
corrosion
carbon
fiber
reinforced
polymers
(CFRPs)
are
extensively
used
in
sports
equipment,
vehicles,
aircraft,
windmill
blades,
other
sectors.
The
urging
need
develop
a
resource‐saving
environmentally
responsible
society
requires
the
recycling
CFRPs.
Traditional
CFRPs,
on
hand,
difficult
recycle
due
permanent
covalent
crosslinking
polymer
matrices.
combination
adaptable
networks
(CANs)
with
fibers
(CFs)
marks
new
development
path
for
closed‐loop
recyclable
CFRPs
resins.
In
this
review,
we
summarize
most
recent
developments
from
unique
paradigm
dynamic
polymers,
CANs.
These
sophisticated
materials
diverse
functions,
oriented
towards
CFs
resin
sustainability,
further
categorized
into
several
active
domains
bonds,
including
ester
imine
disulfide
boronic
acetal
linkages,
etc.
Finally,
possible
strategies
future
design
CFPRs
by
combining
chemistry
innovation
interface
science
proposed.
Язык: Английский
Solving the dilemma between reprocessability and mechanical properties faced by recyclable bio-based polyurethane foam through confining imine bonds in the hard domains
Pei Huan Wu,
Yun Qi Li,
Yang You
и другие.
Industrial Crops and Products,
Год журнала:
2024,
Номер
215, С. 118658 - 118658
Опубликована: Май 9, 2024
Язык: Английский
Ultra-Strong, Humidity-Tolerant Thermoset Based on Dynamic Covalent Bond Integration Strategy via Boron−Nitrogen Bidentate Coordination
Macromolecules,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 27, 2025
Язык: Английский
Aliphatic C–H Insertion Strategies Enhancing Interactions among Waste Rubbers for Recycling
Hao-Jia Guo,
Xiaodong Qiao,
Benxiang Hu
и другие.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(15), С. 9306 - 9311
Опубликована: Июль 31, 2024
The
recycling
of
waste
rubber
(WR)
is
beneficial
to
the
sustainable
development
industries.
However,
interactions
among
WR
are
weak,
limiting
WR.
In
this
work,
our
group
designed
bis-diazo
compounds
promote
for
through
aliphatic
C–H
insertion
strategies.
Specifically,
upon
hot
pressing,
produce
bis-carbenes
which
react
with
on
surface
by
insertions,
and
then
we
obtain
recycled
materials.
As
a
result,
stress–strain
curves
show
that
strength
increases
steadily
increase
compound
loading,
has
reached
level
butadiene
styrene
rubbers.
Moreover,
introduced
disulfide
bonds
endow
reprocessability.
Stress–relaxation
experiments
at
different
temperatures
have
unique
vitrimer
viscoelastic
properties.
feasibility
enhance
insertions
opens
opportunities
recycle
reinvent
industrial
Язык: Английский
Heat-Resistant Shape Memory Fully Biobased Epoxy Resins with High Storage Modulus and Recycle Performance
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
Combining
high
heat
resistance
and
green
sustainability
is
a
great
challenge
in
developing
shape
memory
epoxy
resins.
Herein,
starting
from
synthesizing
fully
biobased
trifunctional
compound
(ER),
kind
of
resin
system
(EFTx,
where
x
the
molar
ratio
carboxyl
to
groups)
developed.
The
effects
on
structure
properties
EFTx
resins
were
systematically
investigated.
Results
show
that
cured
have
excellent
resistance,
mechanical
properties,
performance,
recycle
ability.
As
increases,
glass
transition
temperature
(Tg)
initial
thermal
decomposition
(Tdi)
decrease
while
both
self-healing
efficiency
remolding
increase.
Tg
storage
modulus
each
are
much
higher
than
those
reported
Among
resins,
EFT1.0
shows
best-integrated
performance;
specifically,
its
Tg,
Tdi,
tensile
strength,
as
156
°C,
293
40.99
MPa,
90.5%,
respectively,
meanwhile
it
also
has
outstanding
property
reflected
by
fixation
(Rf
=
100%)
recovery
(Rr
97.8%)
under
bend-recovery
experiments
well
Rf
(93.2%)
Rr
(66.1%)
after
four
cycles.
integrated
performance
attributed
their
unique
structures
combine
rigid
stilbene
structure,
furan
ring,
abundant
ester
bonds.
Язык: Английский