Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
142(11)
Published: Dec. 18, 2024
ABSTRACT
Degradable
polyvinyl
alcohol
(PVA)
liquid
mulch
film
is
an
effective
alternative
to
traditional
petroleum‐based
mulch.
However,
PVA
has
problems
such
as
poor
water
resistance
and
high
cost
in
practical
applications.
In
this
work,
a
PCQ
was
prepared
by
simply
blending
quaternized
lignin
(QAL),
carboxymethyl
cellulose
(CMC),
PVA.
characterized
analyzed
through
FT‐IR,
SEM,
other
tests.
The
effects
of
QAL
CMC
on
the
resistance,
barrier
properties,
retention,
soil‐fixing
degradation
properties
were
investigated.
results
showed
that
addition
significantly
enhanced
provided
excellent
UV
shielding
(90%)
vapor
performance
(249.3
g
m
−2
d
−1
).
addition,
effectively
immobilized
topsoil,
retained
soil
moisture,
improved
seed
germination.
This
study
provides
new
strategy
for
preparing
environmentally
friendly,
low‐cost,
degradable
film.
Nordic Pulp & Paper Research Journal,
Journal Year:
2024,
Volume and Issue:
39(2), P. 201 - 211
Published: April 2, 2024
Abstract
Liquid
mulching
film
is
an
emerging
material
to
replace
the
traditional
plastic
film,
which
causes
wide
public
concern.
In
this
study,
a
graft
copolymer
(LS-AA)
was
synthesized
from
sodium
lignosulfonate
(LS)
by
free
radical
polymerization,
added
as
enhancer
cationic
starch
(CS)
solutions
obtain
CLA
based
film.
The
grafting
conditions
optimized
response
surface
methodology
(RSM)
for
preparation
of
LS-AA,
after
that
LS-AA
characterized
FTIR,
XRD,
and
TG.
highest
rate
obtained
under
reaction
80
°C
2.6
h
with
mass
ratio
monomer
LS
5.5/5
at
initiator
dosage
1
%.
fabricated
liquid
addition
showed
outstanding
anti-ultraviolet,
biodegradation,
anti-erosion,
provided
theoretical
base
practical
references
popularizing
application
in
dust
prevention
sand
fixation.
Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
142(11)
Published: Dec. 18, 2024
ABSTRACT
Degradable
polyvinyl
alcohol
(PVA)
liquid
mulch
film
is
an
effective
alternative
to
traditional
petroleum‐based
mulch.
However,
PVA
has
problems
such
as
poor
water
resistance
and
high
cost
in
practical
applications.
In
this
work,
a
PCQ
was
prepared
by
simply
blending
quaternized
lignin
(QAL),
carboxymethyl
cellulose
(CMC),
PVA.
characterized
analyzed
through
FT‐IR,
SEM,
other
tests.
The
effects
of
QAL
CMC
on
the
resistance,
barrier
properties,
retention,
soil‐fixing
degradation
properties
were
investigated.
results
showed
that
addition
significantly
enhanced
provided
excellent
UV
shielding
(90%)
vapor
performance
(249.3
g
m
−2
d
−1
).
addition,
effectively
immobilized
topsoil,
retained
soil
moisture,
improved
seed
germination.
This
study
provides
new
strategy
for
preparing
environmentally
friendly,
low‐cost,
degradable
film.
