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
Comparisons of the properties and sustainability of asphalt binders modified with reactive thermosetting polymers
Construction and Building Materials,
Год журнала:
2024,
Номер
449, С. 138406 - 138406
Опубликована: Сен. 27, 2024
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
Curing Behavior and Mechanism of Waterborne Epoxy Asphalt
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
ABSTRACT
This
study
aims
to
examine
the
curing
behavior
and
mechanism
of
waterborne
epoxy
asphalt
(WEA)
intended
for
use
as
tack
coats.
The
WEA
was
investigated
via
a
series
laboratory
tests,
whereas
analyzed
using
fluorescence
microscopy
infrared
spectroscopy.
Results
indicate
that
resin
(WER)
effectively
enhances
performance
emulsified
asphalt,
particularly
in
terms
bonding
strength
heat
resistance.
Furthermore,
WER
system
(WER
agent)
exhibits
excellent
dispersion
evenly
integrates
into
asphalt.
It
forms
network‐like
cross‐linked
structure
within
at
dosage
9%.
involves
combination
reactions,
physical
interweaving,
chemical
cross‐linking.
Thus,
demonstrates
favorable
properties
stability.
Язык: Английский
Structural and performance optimization of PVAc-modified UP resin permeable concrete
Journal of Elastomers & Plastics,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 11, 2025
Permeable
concrete
(PC),
composed
of
silicate
cement,
offers
advantages
such
as
cost
efficiency,
low
shrinkage
after
curing,
and
excellent
water
permeability.
However,
compared
to
conventional
cement
concrete,
PC
exhibits
lower
mechanical
strength
durability.
Recent
advancements
have
demonstrated
that
incorporating
resin
composites
into
effectively
enhances
its
properties
durability,
leading
the
development
high-strength
polymer
permeable
(HPPC).
Common
include
thermosetting
resins
epoxy
unsaturated
polyester
(UP
resin),
which
are
characterized
by
rapid
high
strength,
making
them
suitable
adhesives
for
concrete.
This
study
introduces
polyvinyl
acetate
(PVAc)
a
low-shrinkage
additive
UP
resin.
PVAc’s
favorable
polarity
behavior
mitigate
shrinkage-induced
defects
internal
cracks
bubbles
during
curing.
To
further
optimize
material
composition,
Uniform
Design
Method
(UDM)
was
employed
design
proportions
resin,
PVAc,
curing
agent.
Data
analysis
using
genetic
algorithms
in
MATLAB
combined
with
Kriging
models
map
interactions
between
ratios
performance.
The
goal
determine
optimal
PVAc
addition
ratio
minimize
structural
defects,
thereby
improving
compressive
Abrasion
resistance
tests
were
conducted
compare
performance
developed
materials
modified
asphalt.
findings
demonstrate
stability,
performance,
abrasion
resin-based
research
novel
approach
durability
pavement
systems,
providing
valuable
insights
future
applications
sustainable
infrastructure.
Язык: Английский
Rheological Properties and Modification Mechanism of Emulsified Asphalt Modified with Waterborne Epoxy/Polyurethan Composite
Materials,
Год журнала:
2024,
Номер
17(21), С. 5361 - 5361
Опубликована: Ноя. 1, 2024
In
research
aimed
at
improving
the
brittleness
of
WER
(waterborne
epoxy)-modified
emulsified
asphalt,
commonly
encountered
issues
are
that
low-temperature
performance
this
type
asphalt
becomes
insufficient
and
long
curing
time
leads
to
low
early
strength.
Matrix-emulsified
was
modified
with
WPU
polyurethane),
WER,
DMP-30
(accelerator).
Firstly,
changes
different
single-factor
dosages
were
explored
through
conventional
tests
assessments
its
adhesion,
tensile
properties,
time.
Secondly,
based
on
a
response
surface
methodology
test
design,
material
composition
composite-modified
optimized,
rheological
properties
analyzed
by
DSR
force-ductility
test.
Finally,
modification
mechanism
scanning
electron
microscopy
(SEM)
Fourier
transform
infrared
spectroscopy
(FTIR).
The
results
show
can
improve
adhesion
strength
greatly
reduce
elongation
break.
effectively
break
but
it
has
negative
impact
mainly
affects
asphalt;
EPD
(composite
modification)
high-temperature
rutting
resistance
matrix-emulsified
is
significantly
improved
compared
WER-modified
asphalt.
process
consists
physical
blending.
case
increasing
rate,
recommended
contents
be
lower
than
10%
6%,
respectively,
achieve
excellent
comprehensive
composite
modification.
Язык: Английский
Influence of Construction Process on Aggregate Spalling Behavior on Ultrathin Waterborne Epoxy Resin Layer
Coatings,
Год журнала:
2024,
Номер
14(11), С. 1468 - 1468
Опубликована: Ноя. 18, 2024
The
waterborne
epoxy
resin
(WER)
colored
antiskid
thin
layer
has
been
widely
used
in
asphalt
pavement
to
improve
driving
safety.
tectonic
depth
determines
the
performance
of
aparticle
type
layer.
spalling
aggregate
from
a
may
reduce
depth,
thus
damaging
performance.
spreading
process
on
WER
binder
surface
plays
an
important
role
behavior
Herein,
influence
processes
ceramic
was
investigated
based
laboratory
experiments.
abrasion
and
British
Pendulum
Number
(BPN)
tests
were
employed
evaluate
antispalling
properties
layers
with
different
amounts
mortar,
coverage
rates
first-spread
aggregate,
orders
coarse/fine
aggregates.
Moreover,
depths
before/after
test
also
investigated.
results
indicated
that
optimal
dosage
mortar
is
2.8
kg/m2.
exhibited
better
anti-striping
property
when
coarse
spread
first.
rate
70%.
superior
according
resulting
scheme,
3.77%.
only
decreased
1.87
1.80
mm
after
test.
Язык: Английский