Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
ABSTRACT
Pressure‐sensitive
adhesives
(PSAs)
are
widely
used
in
daily
life,
but
their
poor
degradability
poses
significant
challenges
to
sustainable
development.
To
address
this,
we
synthesized
a
polycarbonate,
PPCB,
using
carbon
dioxide
and
propylene
oxide
as
raw
materials,
incorporating
rigid
benzene
rings
ester
functional
groups.
PPCB
exhibited
T
d,−5%
,
d,max
that
were
58.5%
30.7%
higher
than
those
of
polypropylene
carbonate
(PPC),
respectively.
Its
highest
tensile
strength
was
55%
PPC,
while
its
elongation
at
break
decreased
from
421%
165%.
The
180°
peel
reached
5.2
±
0.56
N
/cm,
surpassing
some
commercial
products
such
Duct‐tape.
demonstrated
high
stable
adhesion
(~52
)
on
various
substrates.
skin
tissue
26.6
1.6
kPa,
significantly
commercially
available
fibrin
glue.
Rheological
studies
indicated
maintained
viscosity
throughout
the
testing
process,
with
lap
shear
close
4.56
MPa.
Additionally,
showed
excellent
degradability,
water
absorption
rate
weight
loss.
also
good
biocompatibility,
cell
viability
greater
90%.
has
potential
become
novel
degradable
PSA,
providing
new
solution
for
environmental
sustainability.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(21)
Published: June 24, 2024
Abstract
Transitioning
from
both
the
direct
and
indirect
use
of
fossil
fuels
to
renewable
sustainable
resources
near
future
demands
a
focal
shift
in
catalysis
research
–
investigating
catalytic
reactions
isolation
developing
coupled
for
modern
chemical
value
chains.
In
this
Perspective,
we
discuss
status
emerging
prospects
across
various
scales
provide
key
examples.
Besides
being
essential
alternative
current
fossil‐based
processes,
coupling
offers
novel
scalable
pathways
value‐added
chemicals.
By
emphasizing
specific
requirements
challenges
arising
reactions,
aim
identify
underscore
needs
that
are
critical
expedite
their
development
fully
unlock
potential
fuel
production.
Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
ABSTRACT
Pressure‐sensitive
adhesives
(PSAs)
are
widely
used
in
daily
life,
but
their
poor
degradability
poses
significant
challenges
to
sustainable
development.
To
address
this,
we
synthesized
a
polycarbonate,
PPCB,
using
carbon
dioxide
and
propylene
oxide
as
raw
materials,
incorporating
rigid
benzene
rings
ester
functional
groups.
PPCB
exhibited
T
d,−5%
,
d,max
that
were
58.5%
30.7%
higher
than
those
of
polypropylene
carbonate
(PPC),
respectively.
Its
highest
tensile
strength
was
55%
PPC,
while
its
elongation
at
break
decreased
from
421%
165%.
The
180°
peel
reached
5.2
±
0.56
N
/cm,
surpassing
some
commercial
products
such
Duct‐tape.
demonstrated
high
stable
adhesion
(~52
)
on
various
substrates.
skin
tissue
26.6
1.6
kPa,
significantly
commercially
available
fibrin
glue.
Rheological
studies
indicated
maintained
viscosity
throughout
the
testing
process,
with
lap
shear
close
4.56
MPa.
Additionally,
showed
excellent
degradability,
water
absorption
rate
weight
loss.
also
good
biocompatibility,
cell
viability
greater
90%.
has
potential
become
novel
degradable
PSA,
providing
new
solution
for
environmental
sustainability.
