Materials,
Journal Year:
2024,
Volume and Issue:
17(9), P. 1951 - 1951
Published: April 23, 2024
The
aim
of
the
work
was
to
investigate
influence
surface
texture
composite
based
on
PA6,
intended
for
wet
painting,
stability
colour
and
gloss
parameters.
paint
coating
required
be
maintained
despite
exposure
mechanical
stress
resulting
from
attempts
manually
remove
graffiti
stains.
study
examined
effectiveness
cleaning.
In
case
painted
surfaces
which
stains
were
effectively
removed,
roughness,
parameters
measured.
During
research,
it
found
that
roughness
after
painting
decreased
value
Ra
<
2.00
µm
meets
aesthetic
expectations
at
same
time
ensures
effective
removal
For
this
surface,
there
no
negative
effects
impact
textures
or
quality
as
a
result
manual
removal.
As
conducted
recommended
maximum
values
determined
in
order
ensure
sufficiently
low
amount
necessary
traces
graffiti.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
Herein,
a
novel
leather
solid
waste–derived
collagen
polypeptide
(CP)–based
foam
(CF)
is
developed
with
good
chemical
stability,
degradability,
considerably
poor
metal
corrosive
properties,
and
high‐efficiency
fire‐extinguishing
properties.
The
CP
used
as
raw
material
to
obtain
CF
via
free‐radical
emulsion
polymerization
using
maleic
anhydride
oleic
acrylic
resins.
Thereafter,
foam‐based
extinguishing
agent
(FP)
ideal
flame
retardant
properties
synthesized
by
blending
the
obtained
common
fluorine‐containing
(sodium
perfluoro
nonyloxybenzenesulfonate)
surfactants.
prepared
materials
are
characterized
Fourier‐transform
infrared
spectroscopy,
X‐ray
diffraction,
effect,
other
analytical
techniques.
Results
show
that
FP
exhibited
thermal
stabilities
well
low
cytotoxicity
biotoxicity.
A
spreading
test
preliminary
on
an
oil
surface
indicated
has
relatively
high
speed
air‐insulation
performance.
In
particular,
compared
of
traditional
agent,
full
time
7‐FP
40%
lower,
total
being
28
s.
Overall,
results
suggested
effective
agents
may
have
notable
value
in
various
fireproofing
applications.
