Molecules,
Год журнала:
2025,
Номер
30(10), С. 2164 - 2164
Опубликована: Май 14, 2025
Degradation
of
polyethylene
and
polystyrene
was
studied
theoretically
using
reactive
molecular
dynamics
based
on
the
ReaxFF
force
field.
The
degradation
reactions
were
carried
out
nanoparticles
(approximately
2
nm
in
diameter)
composed
ideal
low-density
presence
water.
leading
to
triggered
by
applying
a
shock
wave
through
simulation
box.
This
approach
allowed
energy
be
transferred
sample
controllable
manner
initiated
reactions.
state
after
passage
investigated
detail,
focusing
type
quantities
new
surface
functional
groups
chemical
connections
bulk
samples.
It
found
that
predominantly
reveals
hydroxyl
(some
which
can
protonated)
has
ability
release
linear
polyhydroxy
alcohols.
Other
with
significant
are
ether
groups.
proceeds
addition
primarily
benzene
rings,
causing
their
dearomatization.
number
single
ring
increases
degree
degradation,
some
also
protonated.
Polystyrene
is
susceptible
crosslink
formation,
mainly
between
aromatic
branched
dearomatized
forms
chemically
distinct
from
styrene.
Sustainability,
Год журнала:
2023,
Номер
15(24), С. 16840 - 16840
Опубликована: Дек. 14, 2023
Plastic
waste
management
has
emerged
as
an
urgent
global
challenge,
that
attracted
significant
attention
from
researchers,
policymakers,
and
stakeholders.
Conducting
a
bibliometric
study
on
this
issue
aims
to
provide
holistic
in-depth
mapping
analysis
of
plastic
management,
carefully
traced
through
the
Web
Science.
Expansive
data
comprising
scientific
production
by
country/region
contributions,
affiliations,
author
references,
topical
trends
were
meticulously
scrutinized
using
VOSviewer
software
(version
1.6.15).
The
exploration
studies
in
is
still
limited,
forms
basis
our
commitment
explore
field
more
depth.
findings
showed
progressive
increase
number
published
works
1992
2022,
main
keyword
“plastic
management”
13,103
documents
found
further
analyzed.
This
demonstrates
profound
impact
Chinese
scientists
research,
evidenced
their
prevalence
top
affiliated
authors.
Given
increasing
concern
heightened
government
societal
towards
pollution
water
contamination,
effective
with
particular
focus
waste,
most
influential
keyword.
comprehensive
contributes
existing
literature
highlighting
key
need
for
concerted
efforts
address
challenges
posed
waste.
Marine Drugs,
Год журнала:
2024,
Номер
22(10), С. 441 - 441
Опубликована: Сен. 26, 2024
Since
the
2005
discovery
of
first
enzyme
capable
depolymerizing
polyethylene
terephthalate
(PET),
an
aromatic
polyester
once
thought
to
be
enzymatically
inert,
extensive
research
has
been
undertaken
identify
and
engineer
new
biocatalysts
for
plastic
degradation.
This
effort
was
directed
toward
developing
efficient
enzymatic
recycling
technologies
that
could
overcome
limitations
mechanical
chemical
methods.
These
enzymes
are
versatile
molecules
obtained
from
microorganisms
living
in
various
environments,
including
soil,
compost,
surface
seawater,
extreme
habitats
such
as
hot
springs,
hydrothermal
vents,
deep-sea
regions,
Antarctic
seawater.
Among
plastics,
PET
polylactic
acid
(PLA)
have
primary
focus
depolymerization
research,
greatly
enhancing
our
knowledge
degrade
these
specific
polymers.
They
often
display
unique
catalytic
properties
reflect
their
particular
ecological
niches.
review
explores
recent
advancements
marine-derived
can
depolymerize
synthetic
polymers,
emphasizing
structural
functional
features
influence
efficiency
catalysts
biorecycling
processes.
Current
status
future
perspectives
also
discussed,
with
a
on
underexplored
marine
resources.
