Progress in Rubber Plastics and Recycling Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 14, 2024
This
study
investigates
the
incorporation
of
thermoplastic
starch
(TPS)
into
polybutylene
adipate
terephthalate
(PBAT)
to
create
biodegradable
plastic
wraps
for
pathological
waste
burial
in
soil.
TPS
is
added
PBAT
enhance
biodegradability,
as
alone
degrades
slowly.
The
research
examines
mechanical
properties,
biodegradation,
morphology,
and
swelling
behaviour
blends.
Key
tests
include
xenon
arc
light
exposure
accelerated
aging,
a
formalin
test
permeability,
soil
degradation
analysis
weight
loss.
Results
show
that
adding
significantly
reduces
tensile
strength
(65.53%)
elongation
at
break
(93.35%),
but
material
still
effectively
serves
its
purpose
wrapping
waste.
Morphological
reveals
phase
separation,
UV
further
decreases
by
27.6%.
highest
composition
(30TPS/70PBAT)
shows
fastest
degradation,
indicating
biodegradation.
Despite
minimal
absorption
(16%
within
1
day),
blends
prevent
leaching,
making
them
suitable
containment.
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 4, 2024
Abstract
In
this
study,
a
novel
biodegradable
coir
fiber
(CF)
reinforced
thermoplastic
starch
(TPS)
and
poly(butylene
adipate‐
co
‐terephthalate)
(PBAT)
composites
(CF/TPS/PBAT)
with
constant
TPS:
PBAT
weight
ratio
of
70:30
5,
10,
15,
20
wt%
additions
CF
were
prepared
by
the
melt
blending
injection
molding.
The
effects
content
surface
modification
on
mechanical
thermal
properties
biocomposites
investigated.
incorporation
fibers
effectively
enhanced
TPS/PBAT
blends.
Due
to
removal
hemicellulose
impurities
after
alkali
treatment,
interfacial
adhesion
was
enhanced,
thus
improving
compatibility
between
matrix.
At
CFs
tensile
strength
exhibited
393%
improvement
flexural
536%
over
Thermal
analysis
showed
that
stability,
storage
modulus,
glass
transition
temperature
increased
increase
content.
This
work
is
significant
for
development
materials.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Zn2+-doped
carbon
quantum
dots
(Zn-CDs)
and
polycarbodiimide
(PCDI)
were
utilized
as
reactive
compatibilizers
to
improve
the
material
properties
of
polylactic
acid/poly(butyleneadipate-co-terephthalate)
(PLA/PBAT)
blends.
Extensive
investigations
conducted
evaluate
mechanical,
thermal,
rheological
composite
materials.
In
addition,
synergistic
interaction
PCDI
Zn-CDs
in
PLA/PBAT
blends
was
also
explored.
Notably,
successful
implementations
these
industrial
grade
fused
deposition
molding
(FDM)
pellet
printers
achieved.
The
results
unequivocally
demonstrated
that
incorporation
effectively
improved
compatibility
blends,
resulting
excellent
mechanical
properties.
However,
due
poor
melt
flow
behavior,
its
suitability
for
melt-printing
applications
is
limited.
This
issue
resolved
by
introducing
into
blend
system.
tests
showed
samples
exhibited
a
tensile
strength
32.8
MPa
under
effect
PCDI/Zn-CDs,
while
achieving
remarkable
elongation
at
break
value
728%
an
increase
rates
109%.
enhanced
mechanism
PCDI/Zn-CDs
further
analyzed
through
microscopic
morphology.
reaction
between
terminal
carboxyl
groups
resulted
copolymer
formation,
enhancing
molecular
chain
entanglement
interphase
interfacial
adhesion.
Moreover,
combination
strengthened
intermolecular
forces
hydrogen
bonding
metal
coordination,
thereby
imparting
superior
thermal
printing
applications.
Progress in Rubber Plastics and Recycling Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 14, 2024
This
study
investigates
the
incorporation
of
thermoplastic
starch
(TPS)
into
polybutylene
adipate
terephthalate
(PBAT)
to
create
biodegradable
plastic
wraps
for
pathological
waste
burial
in
soil.
TPS
is
added
PBAT
enhance
biodegradability,
as
alone
degrades
slowly.
The
research
examines
mechanical
properties,
biodegradation,
morphology,
and
swelling
behaviour
blends.
Key
tests
include
xenon
arc
light
exposure
accelerated
aging,
a
formalin
test
permeability,
soil
degradation
analysis
weight
loss.
Results
show
that
adding
significantly
reduces
tensile
strength
(65.53%)
elongation
at
break
(93.35%),
but
material
still
effectively
serves
its
purpose
wrapping
waste.
Morphological
reveals
phase
separation,
UV
further
decreases
by
27.6%.
highest
composition
(30TPS/70PBAT)
shows
fastest
degradation,
indicating
biodegradation.
Despite
minimal
absorption
(16%
within
1
day),
blends
prevent
leaching,
making
them
suitable
containment.
