Characterization and Application of Nanomaterials,
Год журнала:
2023,
Номер
6(2), С. 4870 - 4870
Опубликована: Дек. 26, 2023
This
state-of-the-art
overview
emphasizes
electrospinning
technique
and
resulting
electrospun
nanofibers
nanofibrous
membranes.
Consequently,
the
method
as
well
formation
features
of
nanofiber/membrane
nanomaterials
have
been
described.
Properties
found
to
be
enhanced
several
folds
through
incorporation
carbon
nanoparticles
in
nanofibers.
Important
properties
utilizations
nanocomposite
were
seemed
affected
by
nanoparticle
amount
dispersal.
Importantly,
diameter,
microstructure,
physical
(thermal,
mechanical,
conductive,
etc.)
membranes
can
nanofiller
behavior.
The
high
performance
used
form
efficient
Sequentially,
applied
technical
membrane
applications.
Polymers,
Год журнала:
2024,
Номер
16(24), С. 3602 - 3602
Опубликована: Дек. 23, 2024
Bioresources
have
been
gaining
popularity
due
to
their
abundance,
renewability,
and
recyclability.
Nevertheless,
given
diverse
composition
complex
hierarchical
structures,
these
bio-based
sources
must
be
carefully
processed
effectively
extract
valuable
raw
polymeric
materials
suitable
for
producing
man-made
organic
fibres.
This
review
will
first
highlight
the
most
relevant
sources,
with
a
particular
focus
on
promising
unconventional
biomass
(terrestrial
vegetables,
aquatic
fungi,
insects),
as
well
agroforestry
industrial
biowaste
(food,
paper/wood,
textile).
For
each
source,
typical
applications
biopolymers
usually
extracted
also
outlined.
Furthermore,
acknowledging
challenging
lignocellulosic
structure
of
an
overview
conventional
emerging
pre-treatments
extraction
methods,
namely
physical,
chemical,
physicochemical,
biological
methodologies,
presented.
Additionally,
this
aims
explore
compounds
obtained
in
production
fibres
(MMOFs).
A
brief
description
evolution
distinct
properties
described,
prominent
commercial
MMOFs
currently
available.
Ultimately,
concludes
future
perspectives
concerning
pursuit
greener
sustainable
effective
processes.
The
potential
main
challenges
implementing
alternative
highlighted.
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
Utilizing
the
elementary
building
blocks
of
plant
cell
walls,
cellulose
nanofibrils
(CNFs),
can
give
final
materials
excellent
mechanical
properties.
For
instance,
CNF-based
wet-spun
fibers
exhibit
superior
properties,
surpassing
their
source
materials,
fibers.
Such
high
performance
is
closely
related
to
CNFs'
orientation;
thus,
most
previous
research
has
focused
on
optimizing
spinning
rates
or
introducing
post-stretching
enhance
this
parameter.
In
study,
effects
CNF
surface
properties
orientation
were
investigated,
which
are
often
neglected
in
literature:
1)
during
extrusion,
affect
rheological
behaviors
suspension,
turn
influences
potential;
2)
coagulation,
they
govern
affinity
between
CNFs
and
antisolvents,
thereby
determining
shrinkage
gels;
3)
drying,
directly
impact
capillary
forces
induced
by
evaporation
significantly
determine
end
products.
Overall,
fundamental
study
provides
deeper
insights
into
assembling
behavior
colloidal
nanoparticles
such
as
CNFs,
advance
development
high-performance
man-made
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 12, 2024
Abstract
This
paper
investigates
the
production
of
hydrothermal
responsive
shape
memory
filaments
with
different
draw
ratios
(0.8,
2.0,
and
3.2),
using
microcrystalline
cellulose
(MCC)
as
a
filler
polyurethane
(SMPU)
matrix.
A
mechanical-thermo-aqueous
programming
test
(MTAP)
was
conducted
to
study
shape-memory
properties
microcomposite
filaments.
The
effect
ratio
triggering
temperature
on
mechanical,
physical,
thermal,
morphological,
performances
thoroughly
studied.
Among
filaments,
SMPU-MCC
2.0
exhibited
highest
tenacity
value
0.91
cN/dtex
in
its
original
shape,
an
elongation
percentage
385.2%.
differential
scanning
calorimetry
(DSC)
results
showed
that
glass
transition
(Tg)
increased
from
0.8
3.2,
ranging
38.35°C
41.02°C.
crystallinity
percentages
obtained
for
pure
SMPU,
SMPU-MCC-0.8,
SMPU-MCC-2.0,
SMPU-MCC-3.2
were
27.10%,
30.68%,
38.72%,
36.88%,
respectively.
In
addition,
optimum
led
degradation
rise
372.5ºC
391.3ºC,
which
shows
thermal
stability
significantly
influenced
by
intermolecular
bonding
between
MCC
intensified
2.0.
Moreover,
excellent
mechanical
six
cycles
at
temperature,
indicating
their
future
application
repeated
use
without
experiencing
major
changes
properties.
Characterization and Application of Nanomaterials,
Год журнала:
2024,
Номер
7(1), С. 4870 - 4870
Опубликована: Апрель 11, 2024
This
state-of-the-art
overview
emphasizes
electrospinning
technique
and
resulting
electrospun
nanofibers
nanofibrous
membranes.
Consequently,
the
method
as
well
formation
features
of
nanofiber/membrane
nanomaterials
have
been
described.
Properties
found
to
be
enhanced
several
folds
through
incorporation
carbon
nanoparticles
in
nanofibers.
Important
properties
utilizations
nanocomposite
were
seemed
affected
by
nanoparticle
amount
dispersal.
Importantly,
diameter,
microstructure,
physical
(thermal,
mechanical,
conductive,
etc.)
membranes
can
nanofiller
behavior.
The
high
performance
used
form
efficient
Sequentially,
applied
technical
membrane
applications.
