Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(20)
Published: March 16, 2023
Accumulation
of
end-of-life
plastics
presents
ongoing
environmental
concerns.
One
strategy
to
solve
this
grand
challenge
is
invent
new
techniques
that
modify
post-consumer
waste
and
impart
functionality.
While
promising
approaches
for
the
chemical
upcycling
commodity
polyolefins
polyaromatics
exist,
analogous
repurpose
unsaturated
polymers
(e.g.,
polybutadiene)
are
scarce.
In
work,
we
propose
a
method
upcycle
polybutadiene,
one
most
widely
used
commercial
rubbers,
via
mild,
metal-free
allylic
amination
reaction.
The
resulting
materials
have
tunable
thermal
surface
wetting
properties
as
function
both
sulfonamide
identity
grafting
density.
Importantly,
approach
maintains
parent
alkene
microstructure
without
evidence
olefin
reduction,
transposition,
and/or
chain
scission.
Based
on
these
findings,
anticipate
future
applications
in
remediation
complex
elastomers
vulcanized
rubbers.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(20), P. 5243 - 5265
Published: Jan. 1, 2023
This
review
provides
a
multidisciplinary
overview
of
the
challenges
and
opportunities
for
dynamic
covalent
chemistry-based
macromolecules
towards
design
new,
sustainable,
recyclable
materials
circular
economy.
Applied Energy,
Journal Year:
2023,
Volume and Issue:
345, P. 121307 - 121307
Published: June 1, 2023
Plastic
production
and
its
unplanned
management
disposal,
has
been
shown
to
pollute
terrestrial,
aquatic,
atmospheric
environments.
Petroleum-derived
plastics
do
not
decompose
tend
persist
in
the
surrounding
environment
for
longer
time.
Plastics
can
be
ingested
accumulate
into
tissues
of
both
terrestrial
aquatic
animals,
which
impede
their
growth
development.
Petrochemicals
are
primary
feedstocks
manufacture
plastics.
The
plastic
wastes
retrieved
back
conversion
value
added
petrochemicals
including
aromatic
char,
hydrogen,
synthesis
gas,
bio-crude
oil
using
various
technologies
thermochemical,
catalytic
chemolysis.
This
review
focusses
on
technologies,
opportunities,
challenges
outlooks
retrieving
petrochemicals.
also
explores
technical
approaches
regard
commercial
feasibility,
economic
environmental
sustainability.
Further,
this
work
provides
a
detailed
discussion
opportunities
associated
with
recent
thermochemical
adopted
waste
fuels
chemicals.
recommends
prospects
future
research
improve
processes
cost-efficiency
promising
It
is
envisioned
that
would
overcomes
knowledge
gaps
further
contribute
emerging
sustainable
exploiting
value-added
products.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(12), P. 7067 - 7090
Published: Jan. 1, 2024
This
work
reports
the
analysis
of
59
commercially
available
polymers
from
20
different
polymer
classes
for
thermal
properties,
macrostructure,
molecular
mass
distribution,
and
inorganic
organic
additives,
highlighting
need
to
characterize
research
prior
recycling
studies.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(5), P. 2384 - 2420
Published: Jan. 1, 2024
While
our
society
is
facing
the
challenge
of
accumulating
plastic
waste,
this
review
discusses
recent
advances
towards
polymer
circularity
with
an
emphasis
on
manipulations
monomer–polymer
equilibrium
to
create
chemically
recyclable
polymers.
Macromolecular Rapid Communications,
Journal Year:
2022,
Volume and Issue:
43(24)
Published: July 30, 2022
The
unprecedented
growth
and
socioeconomic
impacts
of
polyolefins
clearly
outline
a
major
success
story
in
the
world
polymer
science.
Polyolefins
revolutionizes
industries
such
as
health
care,
construction,
food
packaging.
Despite
benefits
polyolefins,
there
is
rising
concern
for
environment
due
to
high
production
volume
(i.e.,
fossil
fuel
consumption),
often
short
usage
time,
problems
related
waste
management
accumulation
natural
environment.
Creating
circular
economy
through
effective
recycling
technologies
has
potential
decrease
environmental
impact
these
materials.
This
perspective
discusses
their
impact,
existing
emerging
recycling/upcycling
solutions,
recycle-by-design
alternatives
that
are
challenging
status
quo.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(19), P. 7332 - 7339
Published: Jan. 1, 2022
This
work
details
the
effect
of
common
antioxidants
on
activity
and
functionality
a
hydrocracking
catalyst,
along
with
associated
changes
to
product
distribution
in
deconstruction
high-density
polyethylene.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(16), P. 9609 - 9632
Published: July 25, 2024
Recycling
mixed
polyolefin
plastics
is
a
significant
challenge
due
to
the
limitations
in
sorting
and
degraded
mechanical
properties
of
blends.
Nonreactive
compatibilization
by
adding
small
amount
polymeric
additive
widespread
approach
restoring
performance
value
recycled
plastics.
Over
past
several
decades,
synthetic
advances
have
enabled
access
low-cost
copolymers
precision
architectures
for
deepening
understanding
mechanisms
semicrystalline
polyolefins.
This
review
covers
design
parameters
compatibilizer,
testing
blends,
methods
producing
economically
viable
additives,
surveys
literature
blends
compatibilized
HDPE,
LLDPE,
LDPE,
iPP.
From
this,
readers
should
gain
comprehension
polymer
mechanics,
synthesis,
macromolecular
engineering
processable
along
with
field's
future
directions.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(11), P. 1361 - 1371
Published: Jan. 1, 2024
Ring-closing
metathesis
depolymerization
(RCMD)
is
a
robust
approach
to
recycle
and
upcycle
polyolefin
materials.
In
this
review,
we
highlight
the
recent
advances
in
closed-loop
recycling
of
polymers
enabled
by
RCMD
approach.
ACS Macro Letters,
Journal Year:
2022,
Volume and Issue:
11(7), P. 841 - 846
Published: June 22, 2022
Producing
polymers
from
renewable
resources
via
more
sustainable
approaches
has
become
increasingly
important.
Herein
we
present
the
polymerization
of
monomers
obtained
biobased
resources,
employing
an
environmentally
friendly
photoinduced
iron-catalyzed
atom
transfer
radical
(ATRP)
in
low-toxicity
solvents.
We
demonstrate
that
can
be
successfully
polymerized
into
with
controlled
molecular
weights
and
narrow
molar
mass
distributions
(
