Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103739 - 103739
Published: July 3, 2024
The
accumulation
of
microplastics
(MPs)
in
the
environment
and
their
role
as
carriers
for
ionic
organic
pollutants
are
increasingly
attracting
attention.
This
study
evaluated
adsorption-desorption
characteristics
cationic
pollutant
on
virgin
UV-aged
non-degradable
polystyrene
(PS)
well
degradable
poly(butylene
succinate)
(PBS)
adipate-co-terephthalate)
(PBAT)
MPs.
results
showed
that
aging
treatment
made
surface
MPs
rougher
more
porous,
causing
adsorption
to
shift
from
monolayer
multilayer
adsorption.
Aging
increased
oxygen-containing
groups
MPs,
significantly
enhancing
H
bond
(HB)
donor
capabilities
aged
PBS
PBAT,
thereby
improving
by
than
10
times.
significant
increase
is
mainly
due
combined
effects
strong
HB
(including
ordinary
(OHB)
charge-assisted
(CAHB)),
electrostatic
interactions,
π-π
interactions.
Notably,
stronger
enabled
PBAT
achieve
efficient
stable
rhodamine
B
over
a
wide
pH
range,
with
desorption
hysteresis
(HI
>
1.80).
indicates
can
act
long-distance
transport.
total
simulated
animal
gastrointestinal
fluids
confirmed
greater
environmental
hazards
work
first
demonstrate
unique
donors,
primarily
adsorb
through
(CAHB
OHB),
which
helps
assess
fate
biodegradable
aquatic
systems.
Polymer Reviews,
Journal Year:
2024,
Volume and Issue:
64(4), P. 1136 - 1175
Published: July 2, 2024
Over
the
past
two
decades,
use
of
microwaves
for
physical
foaming
polymers
has
undergone
significant
advancements.
Typically,
preparation
polymer
foams
during
relies
on
heat
transfer
heating,
which
results
in
temperature
gradients
and
consumes
time
energy.
In
contrast,
microwave-assisted
offers
a
simple,
convenient,
fast,
cost-effective
approach
obtaining
foams.
These
features
render
an
alternative
clean
energy
source
that
can
replace
or
complement
conventional
heating
various
processes.
This
review
provides
overview
recent
research
application
to
five
different
methods
preparing
polymeric
foams,
namely
batch
foaming,
bead
steam
salt
immersion
3D-printing.
The
study
also
highlights
key
challenges
opportunities
development
microwave
processes
identifies
potential
areas
future
research.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103739 - 103739
Published: July 3, 2024
The
accumulation
of
microplastics
(MPs)
in
the
environment
and
their
role
as
carriers
for
ionic
organic
pollutants
are
increasingly
attracting
attention.
This
study
evaluated
adsorption-desorption
characteristics
cationic
pollutant
on
virgin
UV-aged
non-degradable
polystyrene
(PS)
well
degradable
poly(butylene
succinate)
(PBS)
adipate-co-terephthalate)
(PBAT)
MPs.
results
showed
that
aging
treatment
made
surface
MPs
rougher
more
porous,
causing
adsorption
to
shift
from
monolayer
multilayer
adsorption.
Aging
increased
oxygen-containing
groups
MPs,
significantly
enhancing
H
bond
(HB)
donor
capabilities
aged
PBS
PBAT,
thereby
improving
by
than
10
times.
significant
increase
is
mainly
due
combined
effects
strong
HB
(including
ordinary
(OHB)
charge-assisted
(CAHB)),
electrostatic
interactions,
π-π
interactions.
Notably,
stronger
enabled
PBAT
achieve
efficient
stable
rhodamine
B
over
a
wide
pH
range,
with
desorption
hysteresis
(HI
>
1.80).
indicates
can
act
long-distance
transport.
total
simulated
animal
gastrointestinal
fluids
confirmed
greater
environmental
hazards
work
first
demonstrate
unique
donors,
primarily
adsorb
through
(CAHB
OHB),
which
helps
assess
fate
biodegradable
aquatic
systems.
