Impact of Processing Parameters on the Compatibility and Performance of PLA/Tapioca Starch Biocomposites for Short-term Food Packaging Applications
Materials Today Communications,
Год журнала:
2025,
Номер
unknown, С. 111651 - 111651
Опубликована: Янв. 1, 2025
Язык: Английский
Influence of environmental humidity during filament storage on the structural and mechanical properties of material extrusion 3D-printed poly(lactic acid) parts
Results in Engineering,
Год журнала:
2024,
Номер
unknown, С. 103013 - 103013
Опубликована: Сен. 1, 2024
Язык: Английский
Optimal design of agro-residue filled poly(lactic acid) biocomposites using an integrated CRITIC-CoCoSo multi-criteria decision-making approach
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 4, 2025
Abstract
In
recent
years,
there
has
been
a
rise
in
environmental
awareness,
leading
to
increased
efforts
develop
eco-friendly
materials
as
alternatives
petroleum-based
polymers.
This
study
examined
the
performance
optimization
of
poly(lactic
acid)
(PLA)
biocomposites
filled
with
agricultural
byproducts
at
concentrations
ranging
from
0
20%
by
weight,
highlighting
their
potential
substitutes
for
commodity
plastics.
The
agro-residues
used
fillers
were
flax
seed
meal
and
rapeseed
straw.
A
hybrid
decision-making
algorithm
was
proposed,
utilizing
“criteria
importance
through
inter-criteria
correlation”
(CRITIC)
alongside
“combined
compromise
solution”
(CoCoSo),
aimed
identifying
optimal
alternative
among
evaluated
samples.
considered
several
attributes,
including
mechanical
traits
via
tensile,
flexural,
impact
tests,
hardness,
water
absorption,
biodegradation,
production
cost.
findings
revealed
that
strength
properties,
impact,
most
advantageous
neat
PLA.
contrast,
highest
modulus
values
recorded
biocomposite
20
wt%
exhibit
hardness
agro-waste
content
rose,
observed
meal.
on
biodegradation
indicates
higher
promotes
disintegration,
emerging
effective
additive
this
context.
show
adding
various
varying
amounts
affects
properties
differently.
Hence,
CRITIC-CoCoSo
approach
is
utilized
choose
biocomposite.
straw
demonstrated
physico-mechanical
making
it
promising
future
applications.
Язык: Английский
Effect of hydroxyl‐terminated hyperbranched polyesters with various molecular weight on mechanical properties, thermal stability, and water absorption properties of polylactic acid wood‐plastic composites
Chenghe Liu,
Wenyi Yuan,
Weilian Ma
и другие.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
In
the
field
of
environmentally
friendly
materials,
improving
interfacial
bonding
between
biomass
fillers
and
polylactic
acid
(PLA)
has
been
a
popular
area
study.
This
study
examined
effects
four
distinct
molecular
weight
end‐hydroxy
hyperbranched
polyesters
(HHBP)
on
extrusion
injection
molding
processes
used
to
create
PLA/straw
powder
composites.
According
tests
mechanical
properties,
composites'
tensile
strength,
elongation
at
break,
impact
strength
increased
by
up
15.2%,
12.18%,
41.94%,
respectively.
Thermogravimetric
revealed
that
initial
thermal
decomposition
temperature
was
raised
as
much
5°C.
The
differential
scanning
calorimetry
results
showed
an
increase
in
crystallinity
6.27%.
water
absorption
enhanced
addition
HHBP,
but
molecules'
diffusion
rate
slowed
down.
By
adjusting
this
shows
corresponding
properties
composites
can
be
improved.
Highlights
HHBP
strengthened
PLA‐biomass
filler
bond.
toughness,
characteristics,
crystallinity.
achieved
lower
molecules
Язык: Английский
The Effect of Wood Flour Incorporation on the Properties of Injection Molded Poly(Lactic Acid) Products
Опубликована: Ноя. 5, 2024
Wood
flour-paired
poly(lactic
acid)
(PLA)-based
biocomposites
were
fabricated
with
filler
contents
of
0,
2.5,
5,
10,
and
20
wt.%.
The
samples
processed
through
extrusion
followed
by
injection
molding.
injection-molded
specimens
subjected
to
tensile
tests,
impact
water
absorption
tests.
Based
on
the
results,
increasing
amount
lignocellulose
fibers
effectively
improved
modulus
PLA
from
2.8
3.6
GPa
at
wt.%
wood
flour
loading;
however,
this
came
cost
strength,
which
dropped
55.0
48.8
MPa.
Additionally,
incorporation
increased
hydrophilicity
composites,
resulting
in
a
threefold
increase
10
content.
These
results
provide
insight
into
effects
embedding
PLA.
Язык: Английский
Foam Injection Molding of Poly(Lactic Acid) with Azodicarbonamide-Based Chemical Blowing Agent
Опубликована: Ноя. 6, 2024
In
this
study,
poly(lactic
acid)
(PLA)-based
biopolymer
foams
were
prepared
through
injection
molding
using
the
high-pressure
foam
method,
also
referred
to
as
"breathing
mold"
technique,
with
addition
of
various
amounts
(0,
1,
2,
and
4
wt.%)
azodicarbonamide-based
chemical
blowing
agent
(CBA).
The
samples
analyzed
for
their
macrostructure
computed
tomography
(CT)
while
mechanical
properties
determined
by
flexural
Charpy
impact
tests.
CT
analysis
revealed
a
finer
cell
structure
decreasing
shell
thickness
increasing
CBA
content.
Regarding
properties,
specific
strength
modulus
PLA
improved
result
foaming;
however,
improvement
came
at
cost
slight
deterioration
in
strength.
Язык: Английский