Polymer Engineering and Science,
Год журнала:
2024,
Номер
64(5), С. 2049 - 2063
Опубликована: Фев. 27, 2024
Abstract
To
develop
a
green
nanomaterial
for
specialty
applications,
spherical
nanocellulose
(SNC)
was
functionalized
to
semicarbazone‐Schiff
base
via
polymer
analogous
reaction.
Firstly,
SNC
synthesized
from
cellulose
extracted
huge
forest
biomass,
pine
needles
(PNs).
The
glucopyranose
ring
of
oxidatively
cleaved
at
C2–C3
form
SNC‐dialdehyde
(SNC‐DA)
by
periodate
oxidation.
Both
the
aldehydic
groups
generated
were
reacted
with
semicarbazide
base,
referred
as
functional
(FSNC).
All
materials
characterized
FTIR,
FESEM,
EDS,
TEM,
and
XRD
studies.
FSNC
evaluated
an
adsorbent
Hg
2+
ions.
adsorption
adhered
pseudo‐second
order
kinetics
Langmuir
isotherm
having
maximum
capacity/Lungmuir
capacity
172.412
mg/g
60
min.
selectivity
ions
confirmed
its
appreciable
removal
(82%)
solution
in
tap
water
70%
other
metal
exhibited
bifunctional
nature
it
possesses
antimicrobial
activity
against
bacteria,
that
is,
Gram
(+)
(
Bacillus
aereus
)
(−)
Escherichia
coli
Salmonella
typhi
),
fungus
Byssochlamys
fulva
.
showed
good
recyclability
up
eight
sorption–desorption
cycles.
Thus,
we
have
valorized
biomass
into
eco‐friendly
low‐cost
material
cum
agent.
Highlights
Spherical
prepared
acidic
hydrolysis
semicarbazone‐based
Schiff
is
rapid
efficient
has
activities
bacteria
Biowaste‐based
potential
sustain
bio‐circular
economy
