Journal of Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 25, 2024
ABSTRACT
The
poly(butylene
adipate‐co‐terephthalate)
(PBAT)
nanofiber
film
prepared
by
electrospinning
method
exhibits
limited
application
in
many
fields
due
to
its
poor
flame
retardancy
and
machinal
property,
despite
being
a
biodegradable
material
with
exceptional
toughness
ductility
properties.
In
this
work,
we
employed
microfluidic
technology
continuously
produce
blue
fluorescent
carbon
dots
(CDs)
on
an
aluminum‐based
chip
using
citrate
ethanolamine
as
precursors.
Subsequently,
utilizing
technology,
the
CDs/PBAT
composite
films
fluorescence
were
situ
reaction.
Interestingly,
compared
pure
PBAT
membranes,
membranes
exhibit
tensile
strength
of
4.31
MPa,
representing
remarkable
increase
3.24
times,
elongation
at
break
491%,
indicating
improvement
1.62
times.
More
importantly,
it
had
demonstrated
that
incorporation
CDs
into
can
achieve
flame‐retardant
effects.
We
firmly
believe
strategy
could
open
up
new
idea
for
synthesis
point
out
direction
meaningful
fabrication
high
property.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
Abstract
Soil
microplastics
(MPs)
pollution
has
garnered
considerable
attention
in
recent
years.
The
use
of
biodegradable
plastics
for
mulching
led
to
significant
quantities
plastic
entering
agro-ecosystems.
However,
the
effects
polylactic
acid
(PLA)
on
meadow
soils
remain
underexplored.
This
study
investigates
impacts
PLA
varying
particle
sizes
and
concentrations
soil
physicochemical
properties,
enzyme
activities,
microbial
communities
through
a
60-day
incubation
experiment.
PLA-MPs
increased
pH,
organic
matter
(SOM),
total
nitrogen
(TN)
available
potassium
(AK)
content,
as
well
enhanced
activities
superoxide
dismutase
(S-SOD),
peroxidase
(S-POD),
catalase
(S-CAT),
β-glucosidase(S-β-GC)
urease
(S-UE)
activities.
Conversely,
decrease
alkaline
phosphatase
(S-ALP)
activity
was
observed.
influence
properties
more
pronounced
with
larger
sizes,
whereas
smaller
particles
had
greater
effect
Additionally,
an
increase
abundance
Acidobacteriota,
Chloroflexi,
Gemmatimonadota,
while
Proteobacteria,
Actinobacteriota,
Patescibacteria
declined.
Mental
test
analysis
indicated
that
AK,
S-UE,
S-β-GC
are
primary
factors
influencing
community
composition.
Phylogenetic
Investigation
Communities
by
Reconstruction
Unobserved
States
(PICRUSt2)
demonstrated
modify
bacterial
metabolic
pathways.
Our
results
suggest
size
concentration
differentially
affect
nutrients
structure
function,
observed
at
higher
concentrations.
Journal of Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 25, 2024
ABSTRACT
The
poly(butylene
adipate‐co‐terephthalate)
(PBAT)
nanofiber
film
prepared
by
electrospinning
method
exhibits
limited
application
in
many
fields
due
to
its
poor
flame
retardancy
and
machinal
property,
despite
being
a
biodegradable
material
with
exceptional
toughness
ductility
properties.
In
this
work,
we
employed
microfluidic
technology
continuously
produce
blue
fluorescent
carbon
dots
(CDs)
on
an
aluminum‐based
chip
using
citrate
ethanolamine
as
precursors.
Subsequently,
utilizing
technology,
the
CDs/PBAT
composite
films
fluorescence
were
situ
reaction.
Interestingly,
compared
pure
PBAT
membranes,
membranes
exhibit
tensile
strength
of
4.31
MPa,
representing
remarkable
increase
3.24
times,
elongation
at
break
491%,
indicating
improvement
1.62
times.
More
importantly,
it
had
demonstrated
that
incorporation
CDs
into
can
achieve
flame‐retardant
effects.
We
firmly
believe
strategy
could
open
up
new
idea
for
synthesis
point
out
direction
meaningful
fabrication
high
property.