Biopolymers: a comprehensive review of sustainability, environmental impact, and lifecycle analysis
Iranian Polymer Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Язык: Английский
Multiobjective Optimization of the Economic Efficiency of Biodegradable Plastic Products: Carbon Emissions and Analysis of Geographical Advantages for Production Capacity
Sustainability,
Год журнала:
2025,
Номер
17(7), С. 2874 - 2874
Опубликована: Март 24, 2025
The
objective
of
this
study
was
to
address
the
limitations
biodegradable
plastics—low
economic
benefits
and
marketing
difficulties.
To
end,
analyzed
production
processes
two
plastics:
polylactic
acid
(PLA)
polybutylene
adipate
terephthalate
(PBAT).
Based
on
analysis,
economic,
technical,
environmental
improvement
indicators
were
constructed,
an
optimization
model
with
three
objectives
profit,
carbon
emission
cost,
process
risk
established.
In
study,
we
embedded
improved
NSGA-III
algorithm
obtain
Pareto
optimal
solution
set.
We
also
proposed
entropy-weighted
efficiency
index
(EWEI)
for
analysis
transport
advantages
based
distribution
plastics
production,
road
density,
regional
prices.
With
a
line
capacity
10,000
tons
8%
discount
rate,
10-year
return
PBAT
products
7,039,931.23
yuan
higher
than
that
PLA
products.
profit
488.92
per
ton
production.
However,
exhibited
carbon-emission
cost
products,
especially
risk,
by
0.11%.
East
China
region
has
obvious
geographical
advantages,
but
Southwest
is
constrained
in
presence
mountainous
terrain.
Therefore,
it
imperative
optimize
China’s
overall
industrial
layout
plastics,
strengthen
acquisition
support
sustainable
promotion
market,
effectively
minimize
pollution
caused
traditional
plastics.
Язык: Английский
Vertically aligned hollow Ag@Ni tubes for synergistic EMI shielding and enhancing the thermal conductivities of epoxy composites
Applied Materials Today,
Год журнала:
2025,
Номер
44, С. 102741 - 102741
Опубликована: Апрель 22, 2025
Язык: Английский
Natural-Fiber-Reinforced Polymer Composites for Furniture Applications
Polymers,
Год журнала:
2024,
Номер
16(22), С. 3113 - 3113
Опубликована: Ноя. 6, 2024
Increasing
environmental
awareness
has
driven
a
shift
in
furniture
production
from
traditional
materials,
such
as
wood
and
wood-based
panels,
to
sustainable
environmentally
friendly
alternatives,
natural-fiber-reinforced
(NFR)
composites.
Environmental
consciousness
become
key
factor
both
consumer
choices,
with
growing
demand
for
sustainably
sourced
eco-friendly
manufacturing
processes,
durable
that
helps
reduce
the
impact
of
disposable
products
on
environment.
This
paper
analyzes
various
requirements
polymer
composites
used
applications,
including
performance,
structural–functional,
ecological,
economical,
safety
requirements.
It
discusses
factors
influencing
performance
composite
selection
matrix
reinforcing
fibers,
matrix-to-reinforcement
ratio,
choice
technology,
well
compatibility
bonding
between
fibers.
Additionally,
several
standards
commonly
determine
mechanical,
physical,
chemical
properties
these
materials
are
presented.
Язык: Английский
Mechanical performance of bio-based materials in structural applications: A comprehensive review
Structures,
Год журнала:
2025,
Номер
75, С. 108726 - 108726
Опубликована: Март 26, 2025
Язык: Английский
Coffee Silverskin as a Sustainable Alternative Filler for Plywood: Characterization and Performance Analysis
Materials,
Год журнала:
2025,
Номер
18(7), С. 1525 - 1525
Опубликована: Март 28, 2025
Coffee
silverskin,
a
by-product
of
coffee
processing,
was
studied
using
microscopic
(SEM),
spectroscopic
(FTIR),
and
thermogravimetric
(TGA,
DSC)
methods
to
assess
its
use
as
substitute
filler
in
the
manufacturing
plywood.
TGA
showed
that
material
compatible
with
plywood
hot
pressing
temperatures
(140
°C)
it
thermally
stable
up
50
°C,
notable
decomposition
event
at
335
°C.
Functional
groups
like
hydroxyl
carbonyl
were
detected
by
FTIR
analysis,
indicating
possible
hydrogen
bonds
chemical
adaptability.
DSC
analysis
confirmed
structural
alterations
highlighting
endothermic
processes
associated
dehydration
an
exothermic
transition
over
150
silverskin
substituted
rye
flour
adhesive
compositions
different
concentrations
(0%,
1%,
5%,
10%,
20%).
Due
constraints
filler,
larger
(10%
20%)
dramatically
lowered
bonding
strength,
whereas
low
amounts
(1%
5%)
attained
strengths
equivalent
flour,
reaching
5
N
mm-2,
according
internal
bond
strength
tests.
SEM
images
revealed
smaller,
more
fragmented,
porous
particles
than
larger,
compact
particles,
which
affected
mechanical
interlocking
adhesion.
The
findings
point
environmentally
friendly
performance-balancing
for
conventional
fillers,
especially
medium
levels.
Язык: Английский
The role of biodegradable plastics in lignite anaerobic digestion: Changes of organics transformation and metabolic pathway
Bioresource Technology,
Год журнала:
2024,
Номер
unknown, С. 132021 - 132021
Опубликована: Дек. 1, 2024
Язык: Английский
Experimental Investigations of the Influence of Spent Coffee Grounds Content on PLA Based Composite for 3D Printing
Journal of Research Updates in Polymer Science,
Год журнала:
2024,
Номер
13, С. 226 - 233
Опубликована: Ноя. 8, 2024
Nowadays
Fused
Deposition
Modeling,
a
widely
utilized
additive
manufacturing
technology,
is
significantly
transforming
as
modern
production
processes.
Beyond
basic
uses
to
it
role
in
sustainability,
Modeling
offers
processing
potential
for
implanting
circular
economy
by
reducing
virgin
materials
consumption
and
enhance
the
integration
of
waste
food
sustainable
3D
printing.
This
research
paper
investigated
new
composite
based
on
spent
coffee
grounds.
In
addition,
PLA
SCG
at
various
contents
(0,
3,
5,
10,
15
wt%)
were
dried
premixed,
then
processed
into
PLA/SCG
pellets
using
twin-screw
extrusion.
These
successfully
converted
filaments
subsequently
used
The
effect
grounds
composites
was
via
physical
mechanical
analysis
printed
samples.
Regarding
density
measurements,
results
revealed
that
adding
up
5
wt%
increased
while
further
additions
led
decrease
which
due
printing
parameters
such
extrusion
temperature
nozzle
diameter.
Considering
properties,
Young’s
modulus
once
content
reached
3
decreased.
other
hand,
there
no
enhancement
tensile
strength
elongation
break
corroborating
with
measurements.
mainly
contributed
changes
properties
caused
parameters.
study
demonstrates
can
be
filler
environmentally
friendly
printing,
maximum
wt%.
approach
not
only
promotes
reuse
but
also
reduces
cost
traditional
filaments.
Язык: Английский
Assessment of the Effect of Multiple Processing of PHBV–Ground Buckwheat Hull Biocomposite on Its Functional and Mechanical Properties
Materials,
Год журнала:
2024,
Номер
17(24), С. 6136 - 6136
Опубликована: Дек. 15, 2024
The
influence
of
the
addition
ground
buckwheat
hulls
on
properties
biocomposite
basis
3-hydroxybutyrate-co-3-hydroxyvalerate
(PHBV)
is
presented
here.
changes
in
material
after
repeated
reprocessing—up
to
five
recycling
cycles—are
written
paper.
Analysis
shrinkage,
water
adsorption,
selected
mechanical
properties,
tensile
impact
strength,
hardness
and
microstructure
surface
layer
was
performed.
results
show
that
application
into
biopolymer
decreases
shrinkage.
It
improves
dimensional
stability,
as
well
increases
adsorption
wake
hydrophobic
filler.
natural
filler
also
leads
an
increase
composite
stiffness.
decrease
strength
elongation
at
break
noted.
reprocessing
initially
led
a
its
but
stabilized
further
processing
cycles.
This
indicates
improvement
homogeneity.
microscopic
analysis
shows
hull
particles
were
better
embedded
matrix
recycling.
PHBV–ground
characterized
by
stable
resistance,
which
makes
it
promising
terms
sustainable
development.
Язык: Английский