Buildings,
Journal Year:
2024,
Volume and Issue:
14(4), P. 1063 - 1063
Published: April 11, 2024
Incorporating
masks
into
building
materials
offers
a
potential
solution
to
the
environmental
threat
of
disposable
with
promising
material
performance.
However,
research
on
their
dynamic
properties
is
lacking
further
determine
application
range
new
composite.
This
study
addresses
this
gap
by
shredding
face
strips
and
incorporating
them
mortars
at
varying
volume
ratios.
The
integrity
compactness
mortar
was
measured
characterized
P-wave
velocity,
while
compression
were
explored
using
split
Hopkinson
pressure
bar
(SHPB)
system.
Subsequently,
sieve
analysis
conducted
fractured
specimens.
results
indicate
that
generally
improves
fragmentation
after
impacting.
uniaxial
strength
(DUCS)
decreased
for
all
mixing
designs
compared
plain
ones
under
constant
loading
rate.
Meanwhile,
dissipated
energy
density
showed
similar
trend
exhibiting
less
pronounced
enhancement
higher
rates.
According
characteristics,
constitutive
model
based
Lemaitre
principle
Weibull
distribution
damage
developed
validated.
test
are
understood
through
perspective
mechanism
mask
inclusion.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(8), P. 1162 - 1162
Published: April 20, 2024
Nitrile
gloves
have
become
a
significant
environmental
pollutant
after
the
COVID-19
pandemic
due
to
their
single-use
design.
This
study
examines
capability
of
P.
aeruginosa
use
nitrile
as
its
sole
carbon
energy
source.
Biodegradation
was
determined
by
adapting
increasing
glove
concentrations
at
1%,
3%,
and
5%
(w/v).
The
growth
kinetics
were
evaluated,
well
polymer
weight
loss.
Topographic
changes
on
surfaces
examined
using
SEM,
FT-IR
used
evaluate
biodegradation
products
gloves.
Following
establishment
biofilm
surface,
toxicity
minimized
via
biodegradation.
result
average
loss
2.25%.
analysis
revealed
presence
aldehydes
aliphatic
amines
associated
with
SEM
showed
immersed
in
EPS
matrix,
causing
formation
cracks,
scales,
protrusions,
semi-spherical
particles.
We
conclude
that
has
source,
even
up
5%,
through
formation,
demonstrating
potential
for
degradation
Corporate Social Responsibility and Environmental Management,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
ABSTRACT
This
study
proposes
a
novel
framework
integrating
Environmental
Risk
Assessment
(ERA)
and
Material
Flow
Analysis
(MFA)
within
the
Deming
Cycle
to
address
this
gap.
While
valuable
tools,
ERA
MFA
offer
limited
perspectives
on
environmental
impact
when
used
alone.
The
aims
provide
policymakers
decision‐makers
with
insights
into
developing
sustainable
waste
management
strategies.
By
combining
MFA,
research
offers
comprehensive
approach
evaluate
impacts
of
healthcare
waste,
identify
potential
risks,
optimize
practices.
A
case
an
Italian
private
clinic
is
conducted
demonstrate
practical
application
proposed
framework.
Through
SWOT
analysis,
benefits
challenges
in
are
revealed,
providing
guidance
for
future
implementation
efforts.
Frontiers in Materials,
Journal Year:
2025,
Volume and Issue:
12
Published: May 9, 2025
This
study
focuses
on
the
application
of
shredded
waste
nitrile
glove
fibers
(SWNGF)
in
sustainable
cement-based
materials,
aiming
to
address
challenges
personal
protective
equipment
(PPE)
disposal
and
explore
new
uses
construction
sector.
Specimens
were
prepared
using
Conch
brand
ordinary
Portland
cement
as
base
material,
mixed
with
pure
water,
incorporated
varying
volumes
(0%,
1%,
2%,
3%)
sizes
(15
mm
×
5
mm,
20
15
10
mm)
SWNGF.
Through
compressive
strength,
flexural
strength
tests,
SEM
analysis,
results
revealed
that
both
strengths
decreased
increasing
SWNGF
content,
size
showing
relatively
better
performance
terms
strength.
Compressive
strain
initially
increased
then
decreased,
favoring
strain.
Flexural
deflection
steadily
for
Group
A,
followed
by
an
initial
increase
a
decrease
B,
while
C
showed
consistent
rise.
Incorporating
improved
toughness,
post-failure
specimens
C3
at
T
d3
d5
,
A3
d10
performed
better.
Microscopically,
bond
between
gloves
matrix
gaps,
but
flexibility
rubber
performance.
The
surface
characteristics
facilitated
bonding,
multiple
hydration
products
observed
matrix,
some
interconnected
pores
affecting
density.
provides
data
support
theoretical
basis
concrete,
holding
significant
potential
promoting
use
PPE
industry.
Journal of Materials in Civil Engineering,
Journal Year:
2023,
Volume and Issue:
35(9)
Published: June 23, 2023
The
disposal
of
waste
face
masks
(FM)
caused
by
COVID-19
has
become
an
increasingly
severe
problem.
In
order
to
alleviate
this
issue,
paper
proposes
approach
adding
mask
as
modifiers
asphalt.
Extensive
performance
tests
evaluated
the
feasibility
FM
in
asphalt
binders,
including
rotational
viscosity
and
rheological
behaviors
at
different
temperatures,
aging
performance,
separation
tendency,
modification
mechanism.
Based
on
this,
road
FM-modified
mixtures
were
also
investigated.
results
showed
that
increased
viscosity,
high-temperature
anticreep
whereas
it
had
a
negative
effect
stress
change
sensitivity,
low-temperature
storage
stability
binder.
linear
amplitude
sweep
test
results,
incorporation
contributed
material
integrity
load
resistance
capacity
binder,
was
not
conducive
its
antideformation
performance.
According
Fourier
transform
infrared
spectroscopy
fluorescence
images,
process
with
chemical
composition
polypropylene
mainly
physical
blend,
5%
best
compatibility
addition
could
improve
Marshall
stability,
rutting
resistance,
cracking
moisture
susceptibility
AC-13
mixture.
mixture
met
specific
requirements.
experiment
provide
new
way
deal
recycling.
