ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(7), P. 2968 - 2977
Published: Feb. 9, 2023
Starch-based
foams
have
attracted
great
attention
as
alternatives
to
expanded
polystyrene
because
of
their
sustainability,
biodegradability,
and
low
thermal
conductivity.
Herein,
we
report
high-thermal
insulation
starch
blend
with
systematically
controlled
compositions
amylose
amylopectin.
Starch
are
fabricated
using
two
different
types
(i.e.,
waxy
corn
high-amylose
starch)
in
various
blending
ratios
(0:10,
2:8,
4:6,
6:4,
8:2,
10:0).
The
samples
amylopectin
show
differences
crystallinity
rheological
properties
that
responsible
for
the
foaming
behavior.
higher
content
a
lower
degree
breakup
crystalline
regions
during
gelatinization
viscosity,
well-expanded
behavior
is
inhibited
these
samples.
high
provide
irregular
cell
structures,
foam
density,
flexural
strength,
water
absorption,
poor
performance.
Conversely,
relatively
regular
excellent
Notably,
optimized
sample,
M26P74,
which
has
26%
74%
amylopectin,
shows
equivalent
levels
performance
strength
conventional
insulating
materials.
This
result
suggests
potential
applications
starch-based
materials
used
cold
chains
through
an
eco-friendly
sustainable
approach.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(22), P. 8606 - 8636
Published: Jan. 1, 2022
This
review
article
effectively
analyses
the
effect
of
multiple
plasticizers,
compatibilizers,
and
essential
oils
on
plasticized
starch
in
preparation
thermoplastic
starch-based
biodegradable
blends
composites.
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(10), P. 6085 - 6085
Published: May 17, 2022
Protected
cultivation
in
modern
agriculture
relies
extensively
on
plastic-originated
mulch
films,
nets,
packaging,
piping,
silage,
and
various
applications.
Polyolefins
synthesized
from
petrochemical
routes
are
vastly
consumed
plasticulture,
wherein
PP
PE
the
dominant
commodity
plastics.
Imposing
substantial
impacts
our
geosphere
humankind,
plastics
soil
threaten
food
security,
health,
environment.
Mismanaged
not
biodegradable
under
natural
conditions
generate
problematic
emerging
pollutants
such
as
nano-micro
Post-consumed
face
many
challenges
recycling
reusing
due
to
contamination
fulfilling
zero
waste
hierarchy.
Hence,
polymers
renewable
sources
for
agricultural
applications
pragmatic
mitigation.
Starch
is
one
of
most
abundant
biopolymers
sources;
it
also
contains
tunable
thermoplastic
properties
suitable
diverse
agriculture.
Functional
performances
starch
physicomechanical,
barrier,
surface
chemistry
may
be
altered
extended
Furthermore,
can
a
multidimensional
additive
plasticulture
that
function
filler,
metaphase
component
blends/composites,
plasticizer,
an
efficient
carrier
active
delivery
biocides,
etc.
A
fraction
wastes
surpluses
underutilized,
without
harnessing
useful
resources
agriscience.
this
review
proposes
reliable
solutions
toward
timely
implementation
sustainable
practices,
circular
economy,
remediation,
green
agriscience
Materials,
Journal Year:
2023,
Volume and Issue:
16(13), P. 4635 - 4635
Published: June 27, 2023
In
the
pursuit
of
achieving
zero
emissions,
exploring
concept
recycling
metal
waste
from
industries
and
workshops
(i.e.,
waste-free)
is
essential.
This
because
not
only
helps
conserve
natural
resources
but
also
requires
less
energy
as
compared
to
production
new
products
virgin
raw
materials.
The
use
scrap
in
rapid
tooling
(RT)
for
injection
molding
an
interesting
viable
approach.
Recycling
methods
enable
recovery
valuable
powders
various
sources,
such
electronic,
industrial,
automobile
scrap.
Mechanical
alloying
a
potential
opportunity
sustainable
powder
it
has
capability
convert
starting
materials
with
different
initial
sizes
into
particles
through
ball
milling
process.
Nevertheless,
parameter
factors,
type
milling,
ball-to-powder
ratio
(BPR),
rotation
speed,
grinding
period,
size
shape
media,
process
control
agent
(PCA),
can
influence
quality
characteristics
produced.
Despite
drawbacks
environmental
impacts,
this
still
be
method
metals
powders.
Further
research
required
optimize
Furthermore,
been
widely
used
industries,
including
mold
production,
improve
product
properties
environmentally
friendly
way.
review
found
that
best
tool
reducing
particle
recycled
chips
creating
enhance
mechanical
novelty
additive
manufacturing
(MAM)
applications.
Therefore,
necessary
conduct
further
on
parameters
associated
converting
copper
powder.
will
assist
attaining
highest
level
efficiency
effectiveness
reduction
quality.
Lastly,
presents
avenues
future
by
application
RT
technique.
