Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 8, 2025
ABSTRACT
Polyamide
11
(PA11)
is
a
promising
polymer
for
dielectric
applications
due
to
its
inherent
chemical
resistance,
mechanical
properties,
and
eco‐friendliness.
However,
performance
remains
insufficient
high‐performance
applications.
This
study
introduces
cost‐effective
scalable
blown
film
processing
technique
enhance
PA11's
properties
by
optimizing
molecular
orientation
crystalline
structure
through
biaxial
coupling
force
fields.
Systematic
analysis
using
thermal
analysis,
2D‐WAXD,
FTIR
reveals
that
increasing
the
longitudinal
field
reducing
transverse
significantly
boosts
constant.
Optimal
achieved
at
draw
ratio
(DR)
of
6
blow‐up
(BUR)
1.5,
yielding
47%
increase
in
constant
low
loss
0.3.
Polymers,
Год журнала:
2025,
Номер
17(6), С. 818 - 818
Опубликована: Март 20, 2025
The
optical
and
radiation
shielding
of
PVA
have
been
enhanced
through
embedding
with
ZnO/CuO/SWCNT
(ZCS)
nanocomposites.
ZCS
polymeric
nanocomposites
(PNCs)
were
prepared
the
solution
casting
method.
Scanning
electron,
microscopy
FT-IR
procedures
performed
to
examine
surfaces’
morphology
structures’
modifications.
UV–visible
measurements
carried
out
investigate
linear/nonlinear
properties.
investigations
show
significant
alterations
in
parameters
due
embedding.
analysis
shows
that
parameters,
including
transmittance,
energy
bandgap,
refractive
index,
dielectric
constants
conductivity
PVA,
are
tuned
direct
indirect
bandgap
shrank
from
5.42
eV
4.99
(neat
PVA)
3.20
2.26
(10
wt.%
PNCs).
nonlinear
(NLO)
(first
order
susceptibility
(χ(1)),
third
(χ(3))
index
(n2))
improved.
Phy-X/PSD
software
was
used
all
samples.
linear
attenuation
coefficient
(LAC),
mean
free
path
(MFP),
half
value
layer
(HVL),
tenth
(TVL)
effective
atomic
number
(Zeff)
It
is
found
mass
(MAC)
neat
increased
1.14
cm2/g
7.96
at
0.015
MeV.
HVL
decreased
30.2
cm
20.6
cm,
TVL
100.3
68.5
MFP
43.6
29.8
upon
10
NCs
15
samples’
exposure
buildup
factor
(EBF)
absorption
(EABF)
photon
range
MeV
0.5
40
values.
This
study
proves
PNCs
advantageous
for
applications
fields.
