Frontiers in Chemistry,
Год журнала:
2023,
Номер
11
Опубликована: Март 13, 2023
Poly
(vinyl
chloride)
(PVC)
is
commonly
used
to
manufacture
biomedical
devices
and
hospital
components,
but
it
does
not
present
antimicrobial
activity
enough
prevent
biofouling.
With
the
emergence
of
new
microorganisms
viruses,
such
as
Severe
Acute
Respiratory
Syndrome
Coronavirus
2
(SARS-CoV-2)
that
was
responsible
for
global
pandemic
caused
by
Disease
2019
(COVID-19),
evident
importance
development
self-disinfectant
PVC
environments
medical
clinics
where
infected
people
remain
a
long
time.
In
this
contribution,
nanocomposites
with
silver
nanoparticles
(AgNPs)
were
prepared
in
molten
state.
AgNPs
are
well-known
agents
suitable
designing
polymer
nanocomposites.
Adding
0.1
0.5
wt%
significantly
reduced
Young’s
modulus
ultimate
tensile
strength
due
microstructural
defects
PVC/AgNP
nanocomposites,
impact
did
change
significantly.
Furthermore,
have
higher
yellowness
index
(YI)
lower
optical
bandgap
values
than
PVC.
The
virucidal
against
SARS-CoV-2
(B.1.1.28
strain)
within
48
h
when
AgNP
content
at
least
0.3
wt%,
manufacturing
furniture
equipment
capacity
avoid
secondary
routes
COVID-19
contagion.
Polymers,
Год журнала:
2023,
Номер
15(6), С. 1485 - 1485
Опубликована: Март 16, 2023
Confronted
with
serious
environmental
problems
caused
by
the
growing
mountains
of
plastic
packaging
waste,
prevention
and
control
waste
has
become
a
major
concern
for
most
countries.
In
addition
to
recycling
wastes,
design
can
effectively
prevent
from
turning
into
solid
at
source.
The
reasons
are
that
extend
life
cycle
increase
values
waste;
moreover,
technologies
helpful
improving
properties
recycled
plastics
expanding
application
market
materials.
This
review
systematically
discussed
present
theory,
practice,
strategies,
methods
extracted
valuable
advanced
ideas
successful
cases.
Furthermore,
development
status
automatic
sorting
methods,
mechanical
individual
mixed
as
well
chemical
thermoplastic
thermosetting
were
comprehensively
summarized.
combination
front-end
back-end
accelerate
transformation
industry
an
unsustainable
model
economic
then
achieve
unity
economic,
ecological,
social
benefits.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(3), С. 1423 - 1440
Опубликована: Янв. 10, 2024
Plastic
waste
has
emerged
as
a
serious
issue
due
to
its
impact
on
environmental
degradation
and
resource
scarcity.
recycling,
especially
of
halogen-containing
plastics,
presents
challenges
potential
secondary
pollution
lower-value
implementations.
Chemical
recycling
via
pyrolysis
is
the
most
versatile
robust
approach
for
combating
plastic
waste.
In
this
Review,
we
present
recent
advancements
in
halogen-plastic
utilization
pathways
from
"reducing
upcycling"
halogens.
We
emphasize
advanced
management
halogen-plastics
through
copyrolysis
with
solid
wastes
(waste
polymers,
biomass,
coal,
etc.),
which
an
efficient
method
dealing
mixed
obtain
high-value
products
while
reducing
undesirable
substances.
Innovations
catalyst
design
reaction
configurations
catalytic
are
comprehensively
evaluated.
particular,
tandem
catalysis
system
promising
route
halogen
removal
selective
conversion
targeted
products.
Furthermore,
propose
novel
insights
regarding
upcycling
halogens
halogen-plastics.
This
includes
preparation
halogen-based
sorbents
elemental
mercury
removal,
halogenation–vaporization
process
metal
recovery,
development
halogen-doped
functional
materials
new
energy
applications.
The
reutilization
facilitates
halogen-plastics,
but
many
efforts
needed
mutually
beneficial
outcomes.
Overall,
future
investigations
catalyst-driven
technologies
highlighted.
Chemistry - A European Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Chlorinated
polymers
have
made
enormous
contributions
to
materials
science
and
are
commercially
produced
on
a
large
scale.
These
chlorinated
could
be
recycled
as
chlorine
sources
efficiently
produce
valuable
compounds
owing
their
facile
release
of
HCl.
Although
the
thermal
stability
PVDC
is
low
compared
PVC,
this
can
advantageous
in
terms
easy
fast
dehydrochlorination.
Herein,
we
report
an
efficient
electrochemical
chlorination
using
poly(vinylidene
chloride)
(PVDC)
source
that
works
undivided
cell
applies
good
number
examples.
This
method
commodity
such
waste
PVDC‐PVC
pharma
blister
film,
PVDC‐PO
multilayer
food
packaging,
compression
molded
sheets
Ixan
(with
heat
stabilizer)
with
similar
efficiency.
Furthermore,
also
provides
dechlorination
up
98
%,
leading
unsaturated
dechlorinated
material.
Converting
into
more
stable
compounds,
harmful
chlorine‐containing
gases
during
incineration
minimized.
Additionally,
not
only
restricted
batch
processes
but
electroflow
process
for
electrosynthesis
has
been
demonstrated.
Polymers for Advanced Technologies,
Год журнала:
2023,
Номер
35(1)
Опубликована: Ноя. 2, 2023
Abstract
Polyvinyl
chloride
(PVC)
recycling
is
crucial
for
mitigating
the
environmental
impact
of
PVC
wastes,
which
take
decades
to
decompose
in
landfills.
This
review
examines
current
state
processes,
focusing
on
challenges
and
future
research
opportunities.
It
explores
types
sources
including
post‐consumer,
industrial,
construction
wastes.
Conventional
methods
such
as
mechanical,
thermal,
chemical
are
discussed,
highlighting
their
advantages,
limitations,
successful
applications.
Furthermore,
recent
advances
recycling,
biological,
plasma‐assisted,
solvent‐based
explored,
considering
potential
benefits
challenges.
The
emphasizes
European
context
region
has
implemented
regulatory
initiatives
collaborations.
points
out
Circular
Economy
Action
Plan
directives
targeting
waste
management,
have
promoted
established
a
supportive
framework.
Challenges
technologies,
low
yield
high
energy
consumption,
identified.
calls
development
efficient
cost‐effective
along
with
improvements
infrastructure
consumer
awareness.
Assessing
economic
impacts,
significantly
reduces
greenhouse
gas
emissions
conserves
resources
compared
virgin
production.
include
job
creation
reduced
raw
material
costs.
