Membranes,
Journal Year:
2024,
Volume and Issue:
14(7), P. 153 - 153
Published: July 11, 2024
Water
contamination
resulting
from
coal
spills
is
one
of
the
largest
environmental
problems
affecting
communities
in
Appalachia
Region
United
States.
This
slurry
contains
potentially
toxic
substances,
such
as
hydrocarbons,
heavy
metals,
and
cleaning
chemicals,
its
leakage
into
water
bodies
(lakes,
rivers,
aquifers)
can
lead
to
adverse
health
effects
not
only
for
freshwater
plant
life
but
also
humans.
study
focused
on
two
major
experiments.
The
first
experiment
involved
use
biochar
create
a
biochar–polysulfone
(BC-PSf)
flat-sheet
multifunctional
membrane
remove
organic
contaminants,
other
compared
eco-friendly
(gamma-valerolactone—GVL;
Rhodiasolv®
PolarClean—PC)
petroleum-derived
solvents
(i.e.,
N-methyl-pyrrolidone—NMP)
fabrication
membranes.
membranes
were
tested
their
efficiency
removing
both
positively
negatively
charged
contaminants
collected
at
varying
pH
values.
A
comparative
cycle
assessment
(LCA)
with
accompanying
uncertainty
sensitivity
analyses
was
carried
out
understand
global
impacts
incorporating
biochar,
NMP,
GVL,
PC
synthesis
PSf/NMP,
BC-PSf/NMP,
PSf/GVL,
BC-PSf/GVL,
PSf/PC,
BC-PSf/PC
set
surface
area
1000
m2.
results
showed
that
addition
matrix
increased
improved
adsorptive
mechanical
properties.
incorporated
higher
potential
contaminant
removal
than
those
without
biochar.
normalized
BC-PSf/GVL
warming
impacts,
eutrophication,
respiratory
by
over
100%
all
configurations
highly
sensitive
(Spearman’s
coefficient
>
0.8).
BC/PSf
PolarClean
had
lowest
associated
among
Ultimately,
this
highlighted
tradeoffs
between
functional
performance
regarding
choices
fabrication.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(8), P. 2927 - 2961
Published: Feb. 13, 2024
Polyesters
based
on
2,5-furandicarboxylic
acid
(2,5-FDCA)
have
attracted
attention
from
both
academia
and
industry
as
a
new
class
of
biobased
polymers
for
the
growing
era
plastics.
2,5-FDCA-based
polyesters
are
100%
renewable,
they
an
alternative
to
petroleum-based
or
terephthalic
(TPA)-based
polyesters.
Moreover,
scientists
plastics
experts
recognized
bioplastics
eco-friendly
solution
developing
cost-effective
renewable
The
growth
market
depends
sustainable
economy,
population
growth,
rapid
changes
in
different
polymers.
Although
variety
auxiliaries
been
practically
used
recent
years,
production
2,5-FDCA
monomers
by
oxidation
5-hydroxymethylfurfural
(HMF)
is
relatively
innovative
field
research.
This
review
focuses
properties
applications
packaging
coating
industries
producing
postconsumer
products.
manufacturability,
excellent
(thermal,
mechanical,
barrier)
features,
various
fields
available
homo-
copolyesters
discussed.
Biobased
pure
recently
progressed
with
exceptional
their
counterparts
In
particular,
mechanical
performance
homopolyesters
such
poly(ethylene
2,5-furandicarboxylate)
(PEF)
poly(propylene
(PPF)
has
highest
tensile
strength
(σb)
values
84.07
±
4.43
90
6
MPa,
respectively,
compared
other
homopolyesters.
On
hand,
neat
like
2,5-thiophenedicarboxylate)
(PETF)
poly(ethylene-co-1,4-cyclohexanedimethylene
(PECF)
had
maximum
97–98
59–75
copolyesters.
addition,
we
also
observed
Young's
modulus
(E)
PEF
(5248
328
MPa)
PPF
(2460
280
PETF
(3100–3300
PECF
(1740–2300
Furthermore,
elongation
at
break
(εb)
poly(decylene
furandicarboxylate)
(PDF)
(986
82%)
poly(butylene
(PBF)
(368
43%)
poly(pentylene
(PPeF)
(1050
200%)
poly(1,4-butanediol
(PBTF)
(900
84%)
Finally,
results
barrier
improvement
factor
(BIFp)
study
showed
that
PPeF
O2
(227
BIFp)
CO2
(979
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(23)
Published: April 3, 2024
Abstract
Fully
biodegradable
packaging
materials
are
demanded
to
resolve
the
issue
of
plastic
pollution.
However,
fresh
food
storage
performance
is
generally
much
lower
than
that
plastics
due
their
high
permeability,
microbial
friendliness,
and
limited
stretchability
transparency.
Here
a
material
reported
with
based
on
an
oil‐infused
bacterial
cellulose
(OBC)
porous
film.
The
oil
infusion
significantly
improved
cellulose's
food‐keeping
by
reducing
its
gas
increasing
transparency,
enabling
active
release
green
vapor‐phase
preservative
molecules,
while
maintaining
intrinsically
degradability.
Strawberries
stored
in
container
OBC
lid
at
23
°C
after
5
days
exhibited
moldy
rate
0%,
contrast
100%
those
poly(ethylene).
Enhanced
also
obtained
tomatoes,
pork,
shrimp.
film
naturally
degraded
being
buried
wet
soil
30
for
9
days,
identical
degradation
cellulose.
liquid
seal
strategy
broadly
applies
different
celluloses,
providing
general
option
developing
cellulose‐based
materials.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
99, P. 106581 - 106581
Published: Sept. 3, 2023
Cellulose
nanocrystals
(CNCs)
are
typically
extracted
from
plants
and
present
a
range
of
opto-mechanical
properties
that
warrant
their
use
for
the
fabrication
sustainable
materials.
While
commercialization
is
ongoing,
extraction
at
large
scale
still
being
optimized.
Ultrasonication
well-established
routinely
used
technology
(re-)
dispersing
and/or
isolating
plant-based
CNCs
without
need
additional
reagents
or
chemical
processes.
Several
critical
ultrasonication
parameters,
such
as
time,
amplitude,
energy
input,
play
dominant
roles
in
reducing
particle
size
altering
morphology
CNCs.
Interestingly,
this
can
be
coupled
with
other
methods
to
generate
moderate
high
yields
Besides,
ultrasonics
treatment
also
has
significant
impact
on
dispersion
state
surface
chemistry
Accordingly,
ability
self-assemble
into
liquid
crystals
subsequent
superstructures
can,
example,
imbue
materials
finely
tuned
structural
colors.
This
article
gives
an
overview
primary
functions
arising
parameters
stabilizing
CNCs,
producing
combination
promising
methods,
highlighting
examples
where
design
photonic
using
nanocrystal-based
celluloses
substantially
impacted.
