Challenges to Improve Extrusion‐Based Additive Manufacturing Process of Thermoplastics toward Sustainable Development
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
45(17)
Опубликована: Май 31, 2024
Abstract
This
review
aims
to
present
the
different
approaches
lessen
environmental
impact
of
extrusion‐based
additive
manufacturing
(MEX)
process
thermoplastic‐based
resins
and
protect
ecosystem.
The
benefits
drawbacks
each
alternative,
including
use
biomaterials
or
recycled
materials
as
feedstock,
energy
efficiency,
polluting
emissions
reduction,
have
been
examined.
First,
technological
option
using
a
pellet‐fed
printer
was
compared
filament‐fed
printer.
Then,
common
biopolymers
utilized
in
MEX
applications
are
discussed,
along
with
methods
for
improving
mechanical
properties
associated
printed
products.
introduction
natural
fillers
thermoplastic
biocomposite
filaments
proposed
improve
specific
performance
items,
highlighting
numerous
challenges
related
their
extrusion.
Various
polymers
derived
from
recycling
presented
feeding
raw
printers
reduce
waste
accumulation,
showing
inferior
qualities
resulting
goods
when
products
made
virgin
materials.
Finally,
consumption
released
into
atmosphere
during
printing
potential
both
aspects
be
controlled
through
material
selection
operating
conditions.
Язык: Английский
3D bioprinting in bioremediation: a comprehensive review of principles, applications, and future directions
PeerJ,
Год журнала:
2024,
Номер
12, С. e16897 - e16897
Опубликована: Фев. 8, 2024
Bioremediation
is
experiencing
a
paradigm
shift
by
integrating
three-dimensional
(3D)
bioprinting.
This
transformative
approach
augments
the
precision
and
versatility
of
engineering
with
functional
capabilities
material
science
to
create
environmental
restoration
strategies.
comprehensive
review
elucidates
foundational
principles
3D
bioprinting
technology
for
bioremediation,
its
current
applications
in
prospective
avenues
future
research
technological
evolution,
emphasizing
intersection
additive
manufacturing,
functionalized
biosystems,
remediation;
this
delineates
how
can
tailor
bioremediation
apparatus
maximize
pollutant
degradation
removal.
Innovations
biofabrication
have
yielded
bio-based
biodegradable
materials
conducive
microbial
proliferation
sequestration,
thereby
addressing
contamination
adhering
sustainability
precepts.
The
presents
an
in-depth
analysis
application
bioprinted
constructs
enhancing
efforts,
exemplifying
synergy
between
biological
systems
engineered
solutions.
Concurrently,
critically
addresses
inherent
challenges
incorporating
into
diverse
ecological
settings,
including
assessing
their
impact,
durability,
integration
large-scale
projects.
Future
perspectives
discussed
encompass
exploration
novel
biocompatible
materials,
automation
convergence
cutting-edge
fields
such
as
nanotechnology
other
emerging
fields.
article
posits
cornerstone
next-generation
practices,
offering
scalable,
customizable,
potentially
greener
solutions
reclaiming
contaminated
environments.
Through
review,
stakeholders
science,
engineering,
are
provided
critical
appraisal
state
potential
drive
forward
efficacy
management
practices.
Язык: Английский
Application of Poly(lactic Acid) Composites in the Automotive Sector: A Critical Review
Polymers,
Год журнала:
2024,
Номер
16(21), С. 3059 - 3059
Опубликована: Окт. 30, 2024
The
introduction
of
bio-based
matrices
in
automotive
applications
would,
principle,
increase
their
sustainability
and,
case
the
use
secondary
raw
materials
is
also
involved,
even
result
reduced
resource
depletion.
polymer
composite
matrix
that
has
been
mainly
brought
forward
towards
industrial
application
poly(lactic
acid)
(PLA),
which
often
proposed
as
replacement
for
based
on
polyolefins
fields
such
packaging
and
short-term
commodities
since,
general,
it
matches
needs
conventional
thermoplastic
production
processes.
passage
to
sector
not
obvious,
though:
problems
affecting
durability,
relation
with
water
environment,
together
requirement
outstanding
mechanical
impact
performance
appear
very
stringent.
On
other
hand,
PLA
obtained
durable
success
additive
manufacturing
a
competitor
acrylonitrile
butadiene
styrene
(ABS).
Also,
perspective
3D
4D
printing
does
be
confined
bare
prototyping.
These
contrasting
pieces
evidence
indicate
necessity
provide
more
insight
into
possible
development
industry,
considering
pressure
combined
sustainable
reinforcement
types
composites,
natural
fibers.
Язык: Английский
Cellulose-based 3D printing bio-inks for biomedical applications: A review
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
305, С. 141174 - 141174
Опубликована: Фев. 20, 2025
Cellulose
is
the
most
ubiquitous
polymer
found
in
nature.
In
recent
years,
cellulose
derivatives
of
various
kinds,
such
as
esters
and
ethers,
nanocelluloses,
have
become
popular
bioprintable
materials
used
for
making
bio-inks
because
their
affordability,
biocompatibility,
biodegradability,
printability.
Nevertheless,
potential
uses
nanocellulose
derivative-based
not
been
thoroughly
explored.
This
review
emphasizes
advancements
design
cellulose-based
3D
bioprinting
diverse
tissues
well
physicochemical
attributes
that
make
them
a
viable
choice
bioprinting.
Additionally,
bio-inks'
current
benefits
drawbacks
printing
are
examined.
Various
cross-linking
approaches
offered
multicomponent
nanocellulose-based
to
control
fidelity
ink
alter
mechanical
stiffness
printed
hydrogel
construct
bioactive
cue.
By
emphasizing
interactions
involving
cells
matrix,
it
additionally
examines
effect
functional
groups
surface
charge
on
vital
cellular
functions
(including
cell
survival,
adhesion,
proliferation).
Thus,
this
aims
offer
an
integrated
platform
with
biomedical
industry.
Язык: Английский
Sustainable synthesis and characterization of Jackfruit-derived cellulose composite for multifunctional applications
Chemical Engineering Communications,
Год журнала:
2025,
Номер
unknown, С. 1 - 8
Опубликована: Фев. 8, 2025
Environmentalists
emphasize
the
utilization
of
nontoxic,
and
biocompatible
biopolymers
in
preference
to
toxic
synthetic
ones.
To
address
this,
we
developed
a
composite
material
(cellulose-p-chitosan,
Cel/C
composite).
The
process
involves
complexation
partially
deacetylated
chitosan
(p-chitosan)
onto
cellulose
(Cel)
through
hydrogen
bonding
electrostatic
interactions.
Extensive
instrumental
analyses
revealed
significant
enhancements
composite's
porosity,
crystallinity,
thermal
properties.
crystallinity
indices
raw
were
49.21%
55.60%,
respectively,
indicating
an
improvement
crystallinity.
Moreover,
degradation
temperature
for
peaked
at
380
°C
600
°C,
suggesting
increased
stability
Cel/C.
stands
out
with
its
remarkable
advantages,
including
superior
enhanced
compared
existing
biopolymers.
Additionally,
innovative
jackfruit
periwinkle
shells
as
sustainable
precursor
materials
underscores
alignment
global
drive
environmentally
friendly
materials.
practical
applications
wastewater
treatment
various
industries
significantly
contribute
advancing
knowledge
this
field.
Язык: Английский
Synthesis and functionalization methods of polymer nanocomposites for additive manufacturing
Elsevier eBooks,
Год журнала:
2025,
Номер
unknown, С. 201 - 249
Опубликована: Янв. 1, 2025
Язык: Английский
Green algae derived cellulose for PEG composite: A comprehensive study on synthesis, characterization and anticorrosion applications
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Abstract
The
present
study
investigates
the
transformation
of
algae
waste
into
PEG/cellulose
nanocomposites
through
a
series
chemical
treatments,
analyzing
their
structural,
morphological,
and
physicochemical
properties.
FTIR
analysis
revealed
progressive
modifications,
including
emergence
carboxylate
peaks
(1400-1450
cm⁻¹)
after
alkali
treatment
C=O
stretching
(1750-1800
following
bleaching.
XRD
showed
that
crystallinity
index
increased
from
47.0%
(raw
waste)
to
49.5%
(alkali-treated),
but
decreased
35.5%
upon
PEG
incorporation,
indicating
disruption
cellulose’s
ordered
structure.
SEM
images
depicted
morphological
evolution
heterogeneous
matrix
highly
fibrillated
structure
post-acid
hydrolysis,
with
grafting
leading
more
compact
morphology.
Zeta
potential
surface
charge
variations,
values
decreasing
-18.2
mV
(raw)
-22.6
while
reduced
it
-10.4
mV,
suggesting
steric
stabilization.
DLS
results
confirmed
reduction
in
hydrodynamic
diameter
450
nm
215
(acid-hydrolyzed),
highlighting
size
refinement.
Anticorrosion
properties
were
evaluated
using
potentiodynamic
polarization
electrochemical
impedance
spectroscopy
(EIS)
3.5
wt%
NaCl
solution,
revealing
corrosion
inhibition
efficiency
87.6%
at
an
optimal
composite
concentration.
These
findings
highlight
algae-derived
cellulose-based
composites
as
eco-friendly
inhibitors
for
metal
protection
marine
industrial
environments.
Язык: Английский
Facile Fabrication of 3D-Printed Cellulosic Fiber/Polylactic Acid Composites as Low-cost and Sustainable Acoustic Panels
Sustainable Chemistry for the Environment,
Год журнала:
2024,
Номер
8, С. 100168 - 100168
Опубликована: Окт. 5, 2024
Язык: Английский
Poly(lactide)-Based Materials Modified with Biomolecules: A Review
Materials,
Год журнала:
2024,
Номер
17(21), С. 5184 - 5184
Опубликована: Окт. 24, 2024
Poly(lactic
acid)
(PLA)
is
characterized
by
unique
features,
e.g.,
it
environmentally
friendly,
biocompatible,
has
good
thermomechanical
properties,
and
readily
available
biodegradable.
Due
to
the
increasing
pollution
of
environment,
PLA
a
promising
alternative
that
can
potentially
replace
petroleum-derived
polymers.
Different
biodegradable
polymers
have
numerous
biomedical
applications
are
used
as
packaging
materials.
Because
pure
form
delicate,
brittle,
slow
degradation
rate
low
thermal
resistance
crystallization
rate,
these
disadvantages
limit
range
this
polymer.
However,
properties
be
improved
chemical
or
physical
modification,
with
biomolecules.
The
subject
review
modification
three
classes
biomolecules:
polysaccharides,
proteins,
nucleic
acids.
A
quite
extensive
description
most
strategies
leading
improvement
bioactivity
PLA,
through
biomolecules,
presented
in
review.
Thus,
article
deals
mainly
presentation
major
developments
research
results
concerning
PLA-based
materials
modified
different
biomolecules
(described
world
literature
during
last
decades),
focus
on
such
methods
blending,
copolymerization,
composites
fabrication.
biological
materials,
especially
polysaccharides
reviewed,
taking
into
account
growing
interest
great
practical
potential
new
biomaterials.
Язык: Английский
Biodegradable UV-Protective Composite Film from Cellulosic Waste: Utilisation of Cotton Gin Motes as Biocomponent
Polymers,
Год журнала:
2023,
Номер
16(1), С. 88 - 88
Опубликована: Дек. 27, 2023
With
an
increase
in
environmental
pollution
and
microplastic
problems,
it
is
more
urgent
now
to
replace
non-biodegradable
films
with
biodegradable
that
are
low-cost
from
renewable
resources.
Cotton
gin
motes
(GM),
a
type
of
cellulosic
waste
generated
cotton
ginning,
excellent
candidate
for
fabricating
due
its
properties
abundance.
In
this
study,
GM
was
first
mechanically
milled
into
fine
powder,
followed
by
compounding
polycaprolactone
(PCL)
extruded
produce
composite
pellets
which
were
then
compress-moulded
films.
This
environmentally
friendly
process
used
physical
processing
all
the
materials
consumed
without
generating
any
residue.
To
improve
compatibility
mixing
between
PCL,
use
plasticiser
(polyethylene
glycol)
considered.
A
high
content
powder
(up
50%)
successfully
compounded
polymer.
The
SEM
images
showed
smooth
surface
morphology
well-distributed
PCL
matrix.
added
advantage
polymer
matrix
film
developed
UV-shielding
presence
lignin
powder.
property
will
be
critical
UV-resistance
applications.
Furthermore,
even
(50%),
good
mechanical
properties,
9.5
MPa
yield
strength
442%
elongation,
only
50%
decrease
elongation
when
compared
clear
film.
soil
biodegradation
under
controlled
temperature
(20
°C)
humidity
(50%)
1
month
around
41%
weight
loss.
Overall,
study
demonstrates
potential
as
UV-protective
wide
array
applications,
such
packaging
coverings.
Язык: Английский