ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(21), С. 13378 - 13388
Опубликована: Окт. 17, 2024
The
incorporation
of
biodegradable
poly(butylene
adipate-co-terephthalate)
(PBAT)
into
poly(lactic
acid)
(PLA)
is
a
simple
method
to
improve
the
toughness
PLA;
however,
toughening
efficiency
PBAT
limited,
and
direct
blending
adversely
impacts
stiffness
material.
In
this
paper,
surface
nano-CaCO3
was
modified
with
3-Glycidoxypropyltrimethoxysilane
(KH560)
in
order
prepare
CaCO3-g-KH560.
A
two-step
extrusion
process
using
multifunctional
epoxy
oligomers
(ADR)
as
cross-linking
agents
used
PLA/PBAT/CaCO3
ternary
blends
subinclusion
structure.
first
extrusion,
ADR
CaCO3
nanoparticles
were
mixed
PBAT.
During
second
epoxide
groups
cross-linked
dispersing
phase,
well
co-cross-linked
PLA
continuous
phase
at
PLA/PBAT
interface.
Fourier
Transform
Infrared
Spectroscopy
(FTIR)
confirmed
speculation.
Additionally,
Dynamic
mechanical
analysis
(DMA)
Scanning
electron
microscopy
(SEM)
analyses
showed
that
co-cross-linking
reaction
improved
interfacial
compatibility
PLA/PBAT.
Energy
dispersive
spectrometer
(EDS)
Transmission
(TEM)
uniform
dispersion
phase.
synergistic
allowed
for
notched
impact
strength
tensile
prepared
blend
reach
74.5
kJ/m2
55.7
MPa
(11
times
1.3
higher
than
same
ratio,
respectively).
Compared
elastomer
alone,
structure
improves
rigidity
composite
owing
interactions
distinct
energy
loss
mechanism.
This
paper
provides
methodology
preparation
balanced
stiffness.
The Canadian Journal of Chemical Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 22, 2024
Abstract
This
review
offers
an
in‐depth
exploration
of
current
strategies
for
recycling
plastic
waste,
focusing
on
mechanical,
chemical,
and
energy
recovery
methods.
It
situates
these
within
the
context
modern
practices
by
examining
ongoing
research
methodologies
specific
case
studies
related
to
various
types
waste.
The
global
crisis
along
with
pre‐treatment
methods,
is
thoroughly
discussed.
section
mechanical
details
processes
applicable
different
plastics,
highlighting
key
challenges
such
as
thermo‐mechanical
issues,
use
fillers
enhance
certain
properties,
material
degradation
over
time.
discussion
includes
polymers
polyethylene
terephthalate
(PET),
low‐density
(LDPE),
high‐density
(HDPE),
polypropylene
(PP),
polystyrene
(PS).
Chemical
analyzed
through
advanced
techniques
like
pyrolysis,
catalytic
solvolysis,
gasification,
presenting
state‐of‐the‐art
in
this
field.
Additionally,
touches
upon
associated
it.
Conclusively,
study
delves
into
applications
recycled
plastics
outlines
future
challenges.
Overall,
aims
provide
a
thorough
overview
practical
guidance
offering
essential
insights
further
development
area.
Trends in Food Science & Technology,
Год журнала:
2024,
Номер
152, С. 104660 - 104660
Опубликована: Авг. 8, 2024
This
work
evaluates
the
preparedness
of
packaging
industry
towards
more
circular,
sustainable
solutions
for
fresh
meat
and
fish.
The
term
bioplastic
is
ill-defined,
creating
confusion
between
all
stakeholders
in
value
chain.
implementation
as
food
contact
material
will
only
occur
when
there
are
demonstrated
that
can
equally
or
better
protect
fish
from
spoilage,
compared
to
conventional
plastic.
Price,
supply
chain
availability,
machinability,
safety
also
be
key
shift
fossil
bioplastic.
application
at
its
infancy.
In
this
work,
a
multidisciplinary
approach
was
employed
highlight
need
holistic
eco-design
minimizes
waste,
due
high
environmental
footprint
meat.
Although
bioplastics
positively
perceived
by
end-users,
including
consumers,
widespread
their
market
implementation.
Their
sorting
end-of-life
major
challenges.
chains
underdeveloped,
terms
costs,
scale-up,
sorting,
recycling
even
most
promising
materials.
Most
still
do
not
meet
specified
technological
functionalities
required
substitute
fossil-fuel
counterparts.
For
appropriate
eco-design,
it
important
quantify
using
life
cycle
assessment
considering
material-food
unit
importantly,
ensure
safety,
demonstrating
absence
migration
harmful
substances
packaging,
especially
derived
waste
byproducts.
development
active
intelligent
increase
shelf
products
add
significant
food-packaging
unit.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(21), С. 13378 - 13388
Опубликована: Окт. 17, 2024
The
incorporation
of
biodegradable
poly(butylene
adipate-co-terephthalate)
(PBAT)
into
poly(lactic
acid)
(PLA)
is
a
simple
method
to
improve
the
toughness
PLA;
however,
toughening
efficiency
PBAT
limited,
and
direct
blending
adversely
impacts
stiffness
material.
In
this
paper,
surface
nano-CaCO3
was
modified
with
3-Glycidoxypropyltrimethoxysilane
(KH560)
in
order
prepare
CaCO3-g-KH560.
A
two-step
extrusion
process
using
multifunctional
epoxy
oligomers
(ADR)
as
cross-linking
agents
used
PLA/PBAT/CaCO3
ternary
blends
subinclusion
structure.
first
extrusion,
ADR
CaCO3
nanoparticles
were
mixed
PBAT.
During
second
epoxide
groups
cross-linked
dispersing
phase,
well
co-cross-linked
PLA
continuous
phase
at
PLA/PBAT
interface.
Fourier
Transform
Infrared
Spectroscopy
(FTIR)
confirmed
speculation.
Additionally,
Dynamic
mechanical
analysis
(DMA)
Scanning
electron
microscopy
(SEM)
analyses
showed
that
co-cross-linking
reaction
improved
interfacial
compatibility
PLA/PBAT.
Energy
dispersive
spectrometer
(EDS)
Transmission
(TEM)
uniform
dispersion
phase.
synergistic
allowed
for
notched
impact
strength
tensile
prepared
blend
reach
74.5
kJ/m2
55.7
MPa
(11
times
1.3
higher
than
same
ratio,
respectively).
Compared
elastomer
alone,
structure
improves
rigidity
composite
owing
interactions
distinct
energy
loss
mechanism.
This
paper
provides
methodology
preparation
balanced
stiffness.
