Polymers,
Journal Year:
2023,
Volume and Issue:
16(1), P. 114 - 114
Published: Dec. 29, 2023
According
to
scientific
research
from
different
countries,
crumb
rubber
obtained
end-of-life
tires
(ELT)
during
processing
can
improve
the
properties
of
asphalt
mixture,
thereby
extending
service
life
road
surface.
This
paper
presents
modification
bitumen
with
industrial
waste.
The
for
roads
is
considered
one
most
suitable
and
popular
approaches.
describes
details
using
types
as
modifiers.
modified
bitumen’s
main
physical
mechanical
characteristics
were
determined
after
conventional
tests:
penetration
ductility,
softening
point,
Fraas
brittleness
point.
In
order
obtain
a
rubber–asphalt
concrete
mixture
improved
performance
characteristics,
viscoelastic
rheological
rubber–bitumen
binders
their
comparison
polymer–bitumen
also
studied.
results
show
that
increasing
temperature,
values
viscosity,
shear
stress
complex
modulus
all
studied
systems
decrease,
phase
shift
angle
increase,
size
particles
has
greater
influence
on
systems.
Advanced Industrial and Engineering Polymer Research,
Journal Year:
2023,
Volume and Issue:
7(4), P. 466 - 481
Published: Aug. 8, 2023
Waste
tires
are
a
low-cost
and
high-calorific
alternative
fuel,
therefore
energy
recovery
is
still
very
popular
method
of
their
utilization.
On
the
other
hand,
waste
composed
from
high
quality
components
can
be
considered
as
valuable
source
raw
materials.
Recent
trends
showed
that
further
development
tire
recycling
technologies
rubber
based
materials
crucial
to
design
cradle-to-cradle
loops
for
elastomer
products.
This
approach
fits
circular
economy
concept,
however
content
in
various
polymer
blends
or
composites
usually
results
deterioration
processing
and/or
performance
properties.
Some
those
technological
issues
resolved
by
choose
suitable
compatibilization
method.
work
summarizes
recent
advances
strategies
dedicated
polymer/waste
systems
prepared
via
simple
melt-blending,
including:
i)
optimization
conditions;
ii)
GTR
particle
size
oxidation;
iii)
devulcanization/reclaiming;
iv)
reactive
blending
v)
methods.
Furthermore,
limitations
challenges
related
thermoplastic
elastomers
on
also
highlighted.
Energies,
Journal Year:
2024,
Volume and Issue:
17(14), P. 3560 - 3560
Published: July 19, 2024
Ecofuels
and
their
feedstock
come
in
three
main
product
classes:
electrofuels
(e-Fuels),
biofuels,
non-biowaste-derived
fuels.
originate
from
non-fossil
sources,
derived
circular
raw
materials
such
as
non-food
organic
waste,
renewable
hydrogen,
captured
CO2
through
a
rapid
process
of
carbon
fixation.
Proposed
regulation
drafts
under
discussion
indicate
that
new
fuels
would
need
to
reach
substantial
degree
climate
neutrality.
The
manufacture
all
ecofuels,
however,
requires
energy
input
accomplish
the
conversion
initial
feedstock;
neutrality
claims
stem
use
electric
and/or
biomasses
production
process,
but
fossil
are
still
primary
sources
global
(and
EU’s)
power,
most
biofuels
consumed
EU
transport
mix
crop-based,
with
potential
conflicts
food
land
use.
Furthermore,
entirely
neglecting
GHG
emissions
generation
is
scientifically
debatable,
impact
related
emissions)
embedded
used
build
facilities
small,
not
nil.
paper
reports
ecofuel
trends
according
above-mentioned
originating
technologies
discusses
issues
development.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 17, 2025
The
sustainable
management
of
polydiene
waste
represents
a
formidable
challenge
in
the
realm
polymer
chemistry,
given
extensive
industrial
utilization
polydienes
due
to
their
superior
elastomeric
properties.
This
comprehensive
Perspective
addresses
multifaceted
obstacles
hindering
efficient
recycling
polydienes,
encompassing
environmental
concerns,
technical
limitations,
and
economic
disincentives.
We
systematically
dissect
influence
polydienes'
chemical
structures
on
recyclability,
tracing
evolution
disposal
practices
while
assessing
current
landscape
strategies.
Our
investigation
reveals
primary
challenges
associated
with
recycling,
notably
energy-intensive
nature
modification
processes
detriments
prevailing
techniques.
Furthermore,
we
critically
evaluate
existing
methodologies─including
mechanical
energy
recovery,
recycling─highlighting
respective
merits,
constraints,
implications.
Pioneering
advancements
technology,
such
as
topochemical
polymerization
computational
prediction
models,
are
spotlighted
for
potential
revolutionize
recycling.
Looking
forward,
delineate
an
optimistic
trajectory
management,
advocating
innovative
methods,
exploration
milder
conditions,
adoption
interdisciplinary
approaches
bolster
efficiency.
culminates
discussion
pivotal
role
policy
frameworks,
life
cycle
assessments,
analyses
shaping
future
Through
this
scholarly
examination,
aim
catalyze
further
research
development
efforts
aimed
at
mitigating
impact
waste,
thereby
contributing
broader
objective
chemistry.
Processes,
Journal Year:
2025,
Volume and Issue:
13(2), P. 394 - 394
Published: Feb. 1, 2025
Currently,
the
disposal
of
waste
tires
is
considered
one
priority
environmental
and
public
health
problems
worldwide.
Every
year,
more
than
1.4
billion
unused
are
placed
in
landfills.
Population
growth,
economic
development,
a
strong
demand
for
vehicle
production
automotive
industry
increase
this
problem.
In
Mexico,
nearly
36
million
deposited
landfills
or
clandestine
deposits,
vast
majority
being
burned
accumulated
open
air.
The
lack
regulations
handling,
disposal,
recycling
creates
worrying
panorama
care
that
entails.
objective
work
to
propose
viable
alternative
final
through
implementation
company
manufacture
products
based
on
recycled
rubber
state
Tamaulipas,
reducing
pollution
by
these
wastes
generating
sources
employment
sustainable
company.
For
purpose,
study
was
carried
out
surveys
determine
number
can
be
obtained
feasibility
business;
subsequently,
prediction
made
using
simulation
software
design
estimate
expected
parking
bumpers
two
scenarios
with
four
workers.
Likewise,
specialized
used
optimize
tire
collection
routes
from
different
stores
company’s
location.
results
show
an
optimal
routes,
up
483
tons
recovered
per
representing
10%
total
Tamaulipas.
Because
it
social
problem,
installing
manufacturing
feasible
has
high
probability
success
region
studied.
According
simulation,
employing
workers
increases
productivity
decreases
costs.
Through
three
were
determined
considering
city
where
located.
Materials,
Journal Year:
2025,
Volume and Issue:
18(4), P. 914 - 914
Published: Feb. 19, 2025
In
this
study,
numerical
simulations
using
the
Abaqus
finite
element
model
were
performed
to
evaluate
effects
of
incorporating
waste
tyres
varying
sizes
into
base
layer
as
part
a
coupled
tyre-pavement
structure.
The
tyre-reinforced
structure
demonstrated
superior
deformation
resilience,
attributed
hyperelastic
properties
tyre
rubber,
underscoring
its
potential
for
applications
where
recovery
is
essential.
For
achieving
uniform
settlement,
entire
stacking
scheme
recommended,
whereas
one-third
configuration
ideal
minimising
displacement.
one-half
provides
balanced
approach,
optimising
resource
utilisation
structures
with
moderate
performance
requirements.
inclusion
increases
equivalent
stress
within
cement-stabilised
gravel
beneath
tyre,
and
effect
less
pronounced
smaller
sizes.
Notably,
projected
portion
tread
enhances
bearing
capacity
structure,
improving
load
distribution
overall
structural
performance.
middle
bottom
surface
layers
identified
most
critical
controlling
distribution,
while
modulus
advised
course
achieve
balance
between
control
uniformity.
integration
high-modulus
reinforcement
offers
an
optimised
solution
both
management
distribution.
This
study
highlights
pavements
innovative
sustainable
construction
practice,
particularly
suited
light
traffic
conditions.
Further
research
recommended
explore
long-term
environmental
economic
benefits,
well
impacts
composition
ageing
on
