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.
Chemical Reviews,
Год журнала:
2024,
Номер
124(7), С. 4393 - 4478
Опубликована: Март 22, 2024
Polyesters
carrying
polar
main-chain
ester
linkages
exhibit
distinct
material
properties
for
diverse
applications
and
thus
play
an
important
role
in
today's
plastics
economy.
It
is
anticipated
that
they
will
even
greater
tomorrow's
circular
economy
focuses
on
sustainability,
thanks
to
the
abundant
availability
of
their
biosourced
building
blocks
presence
bonds
can
be
chemically
or
biologically
cleaved
demand
by
multiple
methods
bring
about
more
desired
end-of-life
plastic
waste
management
options.
Because
this
potential
promise,
there
have
been
intense
research
activities
directed
at
addressing
recycling,
upcycling
biodegradation
existing
legacy
polyesters,
designing
biorenewable
alternatives,
redesigning
future
polyesters
with
intrinsic
chemical
recyclability
tailored
performance
rival
commodity
are
either
petroleum
based
and/or
hard
recycle.
This
review
captures
these
exciting
recent
developments
outlines
challenges
opportunities.
Case
studies
poly(lactic
acid),
poly(3-hydroxyalkanoate)s,
poly(ethylene
terephthalate),
poly(butylene
succinate),
poly(butylene-adipate
presented,
emerging
recyclable
comprehensively
reviewed.
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
9, С. 100673 - 100673
Опубликована: Фев. 23, 2024
It
is
difficult
to
reuse
wastes
from
polymers
due
the
mismatch
between
amount
of
contaminants
and
secondary
quality
feed.
This
type
operation
much
more
expensive
cost-effective
than
production
polymer
raw
materials
latest
materials.
However,
recyclable
beneficial
if
used
extensively
in
various
concrete
products
wood-polymer
boards.
done
only
cleaning
sorting
are
not
particularly
important
for
products.
Polyethylene
terephthalate
(PET)
a
widely
industries
its
excellent
physical
chemical
properties.
Besides,
increasing
use
PET
has
led
global
crisis
waste
management,
as
improper
disposal
caused
significant
environmental
damage.
major
source
accumulated
landfills,
address
this
issue,
recycling
methods
have
evolved.
In
regard,
present
review
examines
techniques
involved
PET.
Conventional
influence
diverse
depolymerization
reaction
variables
were
discussed,
upsides
downsides
each
technique
considered.
The
summarizes
advances
technologies
plastic
waste,
focusing
on
bio-recycling
PET,
aiming
sustainable,
economical
solutions
circular
economy.
Journal of Cleaner Production,
Год журнала:
2023,
Номер
434, С. 140000 - 140000
Опубликована: Дек. 2, 2023
Decades
of
extensive
and
exponentially
growing
production
use
conventional
plastics
have
led
to
the
accumulation
plastic
waste
in
environment,
contributing
anthropocene
pressure
on
ecosystems.
Bioplastics
(defined
as
bio-based
and/or
biodegradable
plastics)
been
promoted
a
more
sustainable
alternative
substitute
for
plastics.
Nonetheless,
literature
contains
numerous
conflicting
conclusions
regarding
their
suitability
environmental
implications.
One
central
point
contention
concerns
biodegradability
conditions
necessary
proper
degradation.
In
real-world
settings,
like
anaerobic
digestion
plants
or
marine
environments,
may
not
degrade
rapidly
efficiently
suggested
by
laboratory
tests.
A
systematic
review
was
conducted
explore
current
level
knowledge
fate
consequences
plastics,
thereby
substantiating
discussions
future
role
society.
The
covered
degradation
management
environments
(e.g.,
compost,
sludge,
landfill)
open
environment
seawater,
freshwater,
soil).
As
clearly
highlighted
this
review,
comparisons
quantitative
analysis
data
are
challenged
significant
methodological
variations,
encompassing
differences
testing
methods,
test
materials,
quantification
strategies.
Moreover,
revealed
several
research
gaps,
highlighting,
particular,
need
i)
intensify
polyhydroxyalkanoates
(PHAs),
polybutylene
adipate
terephthalate
(PBAT),
succinate
(PBS)
match
polylactic
acid
(PLA)
starch-based
ii)
develop
standard
methods
field
conditions,
iii)
couple
with
ecotoxicological
overview
established
is
essential
thorough
evaluation
performance
Furthermore,
findings
study
contribute
supporting
responsible
various
products,
including
assessing
alternatives
Green Chemistry,
Год журнала:
2024,
Номер
26(7), С. 3698 - 3716
Опубликована: Янв. 1, 2024
To
meet
EU
CO
2
emission
targets,
we
need
to
replace
most
fossil-derived
plastics
with
renewable
alternatives.
stop
endless
pollution
by
accumulating
non
degradable
future
be
closed-loop
recyclable
and/or
biodegradable.
Polymers,
Год журнала:
2024,
Номер
16(16), С. 2262 - 2262
Опубликована: Авг. 9, 2024
Biodegradable
biobased
polymers
derived
from
biomass
(such
as
plant,
animal,
marine,
or
forestry
material)
show
promise
in
replacing
conventional
petrochemical
polymers.
Research
and
development
have
been
conducted
for
decades
on
potential
biodegradable
such
polylactic
acid
(PLA),
polyhydroxyalkanoates
(PHAs),
succinate
These
materials
evaluated
practicality,
cost,
production
capabilities
limiting
factors
commercialization;
however,
challenges,
the
environmental
limitations
biodegradation
rates
polymer,
need
to
be
addressed.
This
review
provides
a
history
overview
of
current
synthesis
process
properties
polymers,
along
with
techno-commercial
analysis
discussion
impacts
Specifically,
focuses
commercial
potential,
financial
assessment,
life-cycle
assessment
these
materials,
well
government
initiatives
facilitate
transition
towards
Lastly,
challenges
methods
improving
recycling
reusability
