Macromolecules,
Journal Year:
2023,
Volume and Issue:
56(15), P. 5679 - 5697
Published: July 21, 2023
Plastics
offer
several
advantages,
but
their
production
and
disposal
processes
have
severe
environmental
implications.
To
overcome
these
issues,
there
is
a
need
to
switch
from
the
linear
circular
economy
by
recycling
plastic
waste
utilizing
renewable
resources
create
bioplastics.
However,
this
challenging
in
case
of
nonbiodegradable
polyolefins
(POs),
which
form
largest
fraction
produced
polymers
least
recycled
one.
Mechanical
recycling,
chemical
PO
bioplastics
are
three
pillars
economy.
Although
mechanical
an
environmentally
economically
viable
option,
it
often
results
degradation
downgrading
POs.
Nonetheless,
innovations
such
as
use
(nano)fillers
or
compatibilization
with
olefin
block
copolymers,
attempt
mitigate
issues.
Furthermore,
development
covalent
adaptable
networks
improves
properties
thermoplastics
provides
recyclable
elastomers.
If
fails
meet
desired
characteristics
recyclate
PO,
other
chemicals
potential
alternative.
retrieving
monomer
ideal
for
achieving
closed-loop
economy,
traditional
approaches
noncatalytic
POs
energy-intensive
lack
specificity.
This
has
been
tried
be
addressed
advancements
catalytic
approaches.
Finally,
biobased
polyolefins,
especially
those
through
emerging
nonbiochemical
approaches,
attractive
alternatives
that
can
integrated
into
existing
petrochemical
plants.
With
comprehensive
perspective
on
academic
industrial
researchers
field
better
contribute
more
sustainable
future.
Science Advances,
Journal Year:
2022,
Volume and Issue:
8(49)
Published: Dec. 7, 2022
We
introduce
damage
intelligent
soft-bodied
systems
via
a
network
of
self-healing
light
guides
for
dynamic
sensing
(SHeaLDS).
Exploiting
the
intrinsic
resilience
propagation
in
an
optical
waveguide,
combination
with
tough,
transparent,
and
autonomously
polyurethane
urea
elastomer,
SHeaLDS
enables
resilient
robots
by
cuts
as
well
detecting
this
controlling
robot’s
actions
accordingly.
With
optimized
material
structural
design
hyperelastic
deformation
robot
autonomous
capacity,
provides
reliable
at
large
strains
(ε
=
140%)
no
drift
or
hysteresis,
is
resistant
to
punctures,
self-heals
from
room
temperature
external
intervention.
As
demonstration
utility,
soft
quadruped
protected
detects
extreme
(e.g.,
six
on
one
leg)
1
min
monitors
adapts
its
gait
based
condition
through
feedback
control.
Macromolecules,
Journal Year:
2023,
Volume and Issue:
56(15), P. 5679 - 5697
Published: July 21, 2023
Plastics
offer
several
advantages,
but
their
production
and
disposal
processes
have
severe
environmental
implications.
To
overcome
these
issues,
there
is
a
need
to
switch
from
the
linear
circular
economy
by
recycling
plastic
waste
utilizing
renewable
resources
create
bioplastics.
However,
this
challenging
in
case
of
nonbiodegradable
polyolefins
(POs),
which
form
largest
fraction
produced
polymers
least
recycled
one.
Mechanical
recycling,
chemical
PO
bioplastics
are
three
pillars
economy.
Although
mechanical
an
environmentally
economically
viable
option,
it
often
results
degradation
downgrading
POs.
Nonetheless,
innovations
such
as
use
(nano)fillers
or
compatibilization
with
olefin
block
copolymers,
attempt
mitigate
issues.
Furthermore,
development
covalent
adaptable
networks
improves
properties
thermoplastics
provides
recyclable
elastomers.
If
fails
meet
desired
characteristics
recyclate
PO,
other
chemicals
potential
alternative.
retrieving
monomer
ideal
for
achieving
closed-loop
economy,
traditional
approaches
noncatalytic
POs
energy-intensive
lack
specificity.
This
has
been
tried
be
addressed
advancements
catalytic
approaches.
Finally,
biobased
polyolefins,
especially
those
through
emerging
nonbiochemical
approaches,
attractive
alternatives
that
can
integrated
into
existing
petrochemical
plants.
With
comprehensive
perspective
on
academic
industrial
researchers
field
better
contribute
more
sustainable
future.
