Preparation and performance evaluation of waterborne epoxy resin modified emulsified asphalt binder
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
21, С. e03548 - e03548
Опубликована: Июль 18, 2024
Waterborne
epoxy
resin
(WER)
has
excellent
chemical
stability,
heat
resistance,
and
mechanical
properties,
its
application
in
emulsified
asphalt
modification
is
receiving
widespread
attention
road
maintenance.
In
this
paper,
the
properties
of
waterborne
modified
(WEA)
binder
through
different
preparation
processes
were
investigated,
influence
WER
on
microstructure,
rheological
low-temperature
stability
was
analyzed.
The
results
show
that
WEA
binders
prepared
using
a
two-step
method
can
make
curing
reaction
modifier
more
complete
excellent.
With
increase
content,
gradually
formed
continuous
skeleton
structure
asphalt,
critical
content
for
phase
system
to
transform
from
about
15
%.
could
undergo
polymerization
reactions
process
mainly
physical
modification.
linear
viscoelasticity
range
decreased,
high-temperature
deformation
resistance
significantly
improved.
loading
frequency
also
weakened.
addition,
improve
elastic
recovery
performance
asphalt.
rate
exceeded
98
%
when
However,
had
certain
adverse
effects
asphalt's
performance,
so
modifiers'
should
be
strictly
controlled.
Язык: Английский
Technical development of modified emulsion asphalt: A review on the preparation, performance, and applications
REVIEWS ON ADVANCED MATERIALS SCIENCE,
Год журнала:
2025,
Номер
64(1)
Опубликована: Янв. 1, 2025
Abstract
The
rapid
advancement
in
highway
building
has
rendered
classic
emulsion
asphalt
insufficient
to
meet
the
strict
demands
of
modern
pavement
applications.
Consequently,
modified
asphalts
have
emerged
as
a
pivotal
focus
research.
This
study
elucidates
modification
mechanisms
employed
by
various
modifiers
on
asphalt,
thoroughly
investigates
and
systematically
organizes
preparation
procedures
fundamental
properties
each
culminates
comprehensive
summary
its
practical
application
scenarios.
Based
an
extensive
literature
review,
this
presents
optimal
methodologies
schemes
for
types
establishes
specific
usage
scenarios,
offers
theoretical
guidance
enhance
performance
expand
scope
application.
Язык: Английский
Prediction of multiple creep and recovery phenomena for bituminous mixtures and mastics by rheological modelling
Construction and Building Materials,
Год журнала:
2025,
Номер
472, С. 140782 - 140782
Опубликована: Март 22, 2025
Язык: Английский
Self-Crosslinking Waterborne Acrylate Modified Emulsified Asphalt via DAAM-ADH: A Dual-Enhanced Solution for Pavement Performance
Coatings,
Год журнала:
2025,
Номер
15(4), С. 420 - 420
Опубликована: Апрель 1, 2025
Emulsified
asphalt
is
widely
used
for
pavement
maintenance
due
to
its
ease
of
application.
However,
use
limited
by
poor
high-temperature
stability
and
low
bonding
strength.
This
study
attempted
prepare
a
self-crosslinking
waterborne
acrylate
(SWA)-type
admixture
using
diacetone
acrylamide
(DAAM)-adipic
dihydrazide
(ADH)
crosslinking
system
applied
it
emulsified
ultimately
obtain
acrylate-modified
(AMEA).
The
research
explored
the
effects
SWA
on
fundamental
properties,
rheological
characteristics,
microscopic
morphology,
performance
AMEA.
Results
indicated
that
undergoes
reactions
during
demulsification
process,
forming
continuous
stable
network
structure
significantly
enhances
strength
while
improving
softening
point
stability.
Rheological
analysis
revealed
within
10–15
phr
dosage
range,
influence
frequency
was
minimized,
with
notable
improvements
in
elastic
recovery
deformation
resistance.
Particularly
when
exceeds
10
phr,
material
demonstrates
adaptability
high-traffic
environments.
Pull-off
tests
demonstrated
can
increase
interlayer
over
50%.
exhibits
some
negative
impact
low-temperature
ductility
asphalt,
necessitating
cautious
control
novel
excellent
superior
stability,
emerges
as
crucial
choice
preventive
maintenance.
Язык: Английский
A hydrophobic electroless copper-nickel fabric with dual drive energy conversion for all-weather anti-icing/icephobic and deicing
Surfaces and Interfaces,
Год журнала:
2024,
Номер
53, С. 105092 - 105092
Опубликована: Сен. 10, 2024
Язык: Английский
Development and Evaluation of High-Temperature Resistant Bituminous Composites: A Study on the Performance of Expanded Perlite and Polytetrafluoroethylene in Asphalt Mixtures
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
unknown, С. e03955 - e03955
Опубликована: Ноя. 1, 2024
Язык: Английский
Microwave De-Icing Efficiency Improvement of Asphalt Mixture with Structural Layer Optimization and Heat-Resistance Design
Materials,
Год журнала:
2024,
Номер
17(13), С. 3112 - 3112
Опубликована: Июнь 25, 2024
The
application
of
microwave
de-icing
technology
in
road
engineering
is
constrained
by
its
low
energy
utilization
rate,
which
can
be
attributed
to
heat
production
rates
and
ineffective
dissipation
the
underlying
pavement.
In
this
work,
asphalt
mixtures
are
designed
as
an
upper
layer
(heating
layer)
a
lower
(thermal-resistance
layer).
Magnetite
slag
was
selected
microwave-sensitive
source
for
generating
heat,
expanded
perlite
powder
incorporated
into
thermal
resistance
material.
Structural
optimization
thermal-resistance
design
mixture
were
carried
out
changing
thickness
layers
further
improve
rates.
effectiveness
comprehensively
evaluated
factors
such
law
average
surface
temperature
mixtures,
ice-melting
time,
cost-effectiveness
analyses.
results
show
that
EP
possesses
better
stability,
conversion
ability
more
excellent
heat-resistance
potential
compared
with
mineral
powder.
prevent
from
being
conducted
promote
it
concentrate
on
specimen
surface,
endow
heating
efficiency
specimens
improved
up
26.97%
time
reduced
10%,
ascribed
design.
Furthermore,
collaborative
structural
increase
save
microwave-absorbing
materials
while
ensuring
efficiency.
Язык: Английский