Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 22, 2024
ABSTRACT
In
this
paper,
a
novel
broad‐spectrum
chitosan
polymer
carbon
dots‐based
UV
absorber
((CS‐PCDs)‐g‐UV‐0)
was
obtained
by
grafting
UV‐0
onto
chitosan‐based
dots
(CS‐PCDs)
through
simple
green
microwave
method
to
achieve
the
macromolecular
quantification
of
absorbers.
The
products
were
characterized
means
IR
spectroscopy,
NMR
absorption
TGA,
and
XPS.
Finally,
applied
natural
rubber
(NR),
its
anti‐UV
aging
properties
systematically
investigated
conducting
UV‐accelerated
experiments
on
carbonyl
index,
weight
loss
rate,
contact
angle,
SEM
morphology
NR
materials
added
with
(CS‐PCDs)‐g‐UV‐0
before
after
aging.
results
showed
that
28
days
2%
(CS‐PCDs)‐g‐UV‐0,
increase
in
index
considerably
less
significant
than
pure
samples,
as
change
angle.
According
observations
made
SEM,
addition
caused
delay
occurrence
cracking
surface
material.
summary,
is
proposed
present
study
enhance
performance
resistance.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(6), P. 788 - 788
Published: March 12, 2024
In
the
quest
for
advanced
and
environmentally
friendly
solutions
to
address
challenges
in
field
of
wastewater
treatment,
use
polymers
such
as
sodium
alginate
(Na-Alg)
combination
with
immobilized
microorganisms
(IMs)
stands
out
a
promising
strategy.
This
study
assesses
potential
Na-Alg
immobilizing
emphasizing
its
effectiveness
relevance
environmental
preservation
through
IMs.
Advances
IMs
are
examined,
interactions
between
these
immobilization
support
highlighted.
Additionally,
models
studying
kinetic
degradation
contaminants
importance
oxygen
supply
detailed.
The
shows
promise
context
improving
water
quality,
preserving
ecological
balance,
addressing
climate
change,
but
further
research
is
required
overcome
identified
challenges.
Additional
areas
explore
discussed,
which
expected
contribute
innovation
relevant
systems.
