Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Abstract
Semi‐rigid
polyurethane
foams
(SPUF)
with
high
deformation
resistance
and
strength
are
indispensable
for
cushioning
applications.
However,
fire
risk
cascaded
pollutant
effects,
overused
multifarious
additives
foam
wastes
exacerbate
global
environmental
concerns.
One
option
to
address
this
issue
is
develop
eco‐friendly
multifunctional
flame
retardants
that
participate
in
the
material
lifecycles
of
preparation,
safe
service,
waste
management,
sustainable
recycling.
Herein,
a
novel
self‐adaptive
catalytic
strategy
reported
exploits
temperature
agent
structure‐responsive
ability
sodium
propionate
(SP),
reconciling
often‐conflicting
properties
fabrication
recycling
while
effectively
mitigating
combustion
risks
additive
pollution.
The
adaptive
function
SP
impressively
involves
all
aspects
life
cycles:
1)
catalyzing
foaming
without
complex/hazardous
catalysts;
2)
providing
superior
flame‐retardant
efficiency
limiting
oxygen
index
25.5%
relying
on
traditional
retardants;
3)
promoting
situ
network
fragmentation
reorganization
into
strong
adhesives
(5.8
MPa);
4)
further
newly
formed
self‐driven
manner.
A
green
presented
addresses
hazards,
plastic
pollution,
unsustainability
recycling,
minimizing
ecological
foam,
which
will
positively
impact
future
design
involving
diverse
additives.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
The
selective
recycling
of
mixed
plastic
wastes
with
similar
structural
units
is
challenging.
While
heterogeneous
catalysis
shows
potential
for
recycling,
challenges
such
as
complex
mass
transfer
at
multiphase
interfaces
and
unclear
catalytic
mechanisms
have
slowed
progress.
In
this
study,
a
breakthrough
in
polyester
introduced
using
photothermal
catalysis.
By
adding
co-solvents,
the
difficulties
associated
interfacial
are
overcome.
Grain
boundary
(GB)-rich
CeO
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
Plastic
products
bring
convenience
to
various
aspects
of
the
daily
lives
due
their
lightweight,
durability
and
versatility,
but
massive
accumulation
post‐consumer
plastic
waste
is
posing
significant
environmental
challenges.
Catalytic
methods
can
effectively
convert
into
value‐added
feedstocks,
with
catalysts
playing
an
important
role
in
regulating
yield
selectivity
products.
This
review
explores
latest
advancements
advanced
applied
thermal
catalysis,
microwave‐assisted
photocatalysis,
electrocatalysis,
enzymatic
catalysis
reaction
systems
for
chemical
recycling
valuable
feedstocks.
Specifically,
pathways
mechanisms
involved
plastics
process
are
analyzed
presented,
strengths
weaknesses
employed
across
different
described.
In
addition,
structure‐function
relationship
these
discussed.
Herein,
it
provided
insights
design
novel
outline
challenges
future
opportunities
terms
developing
tackle
“white
pollution”
crisis.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(3), P. 840 - 840
Published: Jan. 21, 2025
In
recent
years,
wind
energy
has
emerged
as
one
of
the
fastest-growing
green
technologies
globally,
with
projections
indicating
that
decommissioned
turbine
blades
(WTBs)
will
accumulate
to
millions
tons
by
2030s.
Due
their
thermosetting
nature
and
high
glass/carbon
fiber
content,
efficient
recycling
WTBs
remains
a
challenge.
this
study,
we
utilized
solid-state
shear
milling
(S3M)
produce
fine
WTB
powder,
which
then
underwent
surface
modification
silane
coupling
agent
(KH550),
subsequently
fabricated
WTB-reinforced
polypropylene
(PP)
composites
enhanced
mechanical
performance
through
stretching.
The
stretching-process-induced
orientation
PP
molecular
chains
glass
fibers
led
orientation-induced
crystallization
significant
improvements
in
properties
PP/WTB@550
composites.
With
30
wt.
%
composite
achieved
tensile
strength
142.61
MPa
Young’s
modulus
3991.19
at
stretching
temperature
110
°C
ratio
3,
representing
increases
268%
471%,
respectively,
compared
unstretched
sample.
This
work
offers
both
theoretical
insights
experimental
evidence
supporting
high-value
reuse
cost-effective,
environmentally
friendly,
scalable
approach.
PP/WTB
intrinsic
waterproofing
corrosion
resistance
PP,
it
is
hoped
such
would
be
used
road
engineering
building
materials,
geogrids,
wall
panels,
floor
boards,
tiles.
Green Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Emerging
technologies-empowered
thermochemical
plastic
valorization
is
developed
for
value-added
products
in
green
and
practical
manner,
which
are
beneficial
to
achieving
circular
economy
several
UN
sustainable
development
goals.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
Carbon
fiber
reinforced
thermoplastics
(CFRTs)
have
witnessed
a
resurgence
in
recent
times
since
their
first
industrial
use
over
five
decades
ago,
with
revitalized
interest
from
aerospace
companies
and
other
key
sectors
including
energy
automotive
sectors.
CFRTs
are
increasingly
gaining
footholds
high
volume
rapid
manufacturing
nonaerospace
owing
to
inherent
recyclability.
However,
there
has
been
lack
of
contemporary
critical
review
on
this
topic
so
far.
This
work
aims
the
advances
emphasis
performance
thermoplastics.
Both
continuous
discontinuous
forms
tape,
organosheet
short/long
architectures
discussed,
processing
postprocessing
methods
reviewed,
state‐of‐the‐art
welding
techniques.
Typical
applications
industry
examined,
fuselage,
pressure
vessel,
components.
Finally,
insights
provided
into
ongoing
challenges,
future
development,
roadmap
for
expediting
development
high‐performance
CFRTs.
