Application of Graphene Oxide/Polymer Composites as Filter Loss Reduction Agents With Water‐Based Drilling Fluids
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 6, 2025
ABSTRACT
In
deep
and
ultra‐deep
wells,
drilling
fluids
often
experience
increased
filtration
loss
due
to
elevated
temperatures
high
salinity.
To
solve
this
problem,
5
g
of
N,
N‐dimethylacrylamide
(DMAA),
13
2‐acrylamido‐2‐methyl‐1‐propanesulfonic
acid
(AMPS),
2
4‐acryloylmethiolane
(ACMO),
0.2
graphene
oxide
(GO)
were
polymerized
through
aqueous
phase
polymerization
at
50°C
for
h
form
the
Graphene
DMAA,
AMPS,
ACMO
Composites
(GO‐NAA).
The
synthesized
nanocomposite,
GO‐NAA,
was
characterized
by
Fourier
transform
infrared
spectroscopy,
nuclear
magnetic
resonance,
thermogravimetric
analysis
confirm
its
structure.
experimental
results
showed
that
under
conditions
220°C
15%
NaCl,
water‐based
fluid
(WBDF)
containing
3%
GO‐NAA
reduced
value
American
Petroleum
Institute(FLAPI)
82.15%
(from
76.2
13.6
ml)
high‐temperature
high‐pressure
(FLHTHP)
88.50%
238.2
27.4
compared
without
GO‐NAA.
Morphological
revealed
adhered
bentonite
particles
hydrogen
bonding
electrostatic
interactions,
promoting
uniform
dispersion
in
fluid.
This
mechanism
facilitated
formation
a
thin
dense
mud
cake,
which
effectively
minimized
loss.
These
findings
quantitatively
demonstrate
potential
as
temperature‐
salt‐resistant
reduction
agent,
offering
significant
performance
improvements
extreme
conditions.
Язык: Английский
Effects of Incorporation of Organic Montmorillonite on Improving the Wear Resistance of Nylon 66/Glass Fiber Based Composites and the Mechanisms
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 9, 2025
ABSTRACT
Different
content
of
organic
montmorillonite
was
added
into
Nylon
66/glass
fiber
composites
to
improve
the
wear
resistance
composites.
It
found
that
loss
and
rate
nylon
with
0.5
wt%
were
only
8.83
mg
0.52%,
reduced
by
25.4%
29.3%
compared
composite
without
montmorillonite.
Moreover,
friction
curves
fiber/organic
a
small
coefficient
entered
stable
stage
quickly.
Especially,
glass
in
arranged
more
regularly
worn
less
as
shown
images
SEM.
The
mechanisms
regarded
self‐lubricating
effect
oriented
enhanced
crystallinity
66
matrix.
aggregated
on
surface
due
hydrogen
bonds
between
fiber,
resulting
orientation
increase
flowability
composites,
decrease
“floating
fiber”
problems.
Thus,
this
work
revealed
when
there
66,
interaction
had
an
obvious
Язык: Английский
Shape Memory Polymers With High Response Temperature and Application in Wellbore Stability
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
ABSTRACT
This
study
focuses
on
the
preparation
and
characterization
of
high
glass
transition
temperature
shape
memory
polymers
(HTSMP)
for
leak
plugging
applications.
The
HTSMP
was
synthesized
through
a
curing
reaction
characterized
using
FTIR
spectroscopy,
which
confirmed
occurrence
ring‐opening
resulting
in
formation
hydroxyl
groups.
reached
up
to
136°C,
it
maintained
modulus
over
10
MPa
at
200°C.
Shape
performance
tests
showed
that
samples
exhibited
recovery
rate
ranging
from
80%
95%,
with
higher
observed
increased
agent
content.
In
sealing
tests,
addition
HTSMP‐1
significantly
improved
effect
conventional
agents,
pressure‐bearing
capacity
9.28
elevated
temperatures.
These
results
demonstrate
potential
applications,
particularly
addressing
fractured
leakage
high‐temperature
deep
wells.
Язык: Английский
Development of banana fabric biocomposites reinforced with graphene nanoplatelets and polyacrylonitrile nanofibers for suspended-load backpack applications
Discover Materials,
Год журнала:
2025,
Номер
5(1)
Опубликована: Март 18, 2025
Язык: Английский
Development and Characterization of Novel PLA/Henna Biocomposites for Sustainable Additive Manufacturing
Journal of Inorganic and Organometallic Polymers and Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 21, 2025
Язык: Английский
Enhancement of Green Composite Performance Through the Synergistic Influence of Cashew Nut Shell Liquid and Nanoclay on Natural Fiber Reinforcement
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
ABSTRACT
Natural
fiber‐reinforced
biocomposites
are
emerging
as
viable
alternatives
to
conventional
thermoplastics;
however,
low
mechanical
and
physical
properties
limit
their
broad
applications.
This
study
addresses
these
limitations
by
developing
a
nanoclay
cashew
nut
shell
liquid
(CNSL)‐modified
novel
soy
resin‐based
jute
composites
enhancing
performance.
CNSL,
rich
in
phenolic
compounds,
chemically
interacts
with
the
matrix,
improving
interfacial
bonding
imparting
resistance
environmental
degradation.
Nanoclay
dispersion
within
matrix
optimizes
load
transfer,
confirmed
through
density
functional
theory
(DFT)
calculations
of
interaction
energies,
resulting
synergistic
effect
on
composite
strength.
The
optimized
exhibited
remarkable
storage
modulus
8697
MPa
at
35°C
1
Hz,
flexural
3288
MPa,
tensile
strength
61.3
62.7
MPa.
X‐ray
diffraction
transmission
electron
microscopy
analyses
revealed
well‐integrated
nano‐biocomposite
structure,
confirming
successful
reinforcement
dispersion.
Thermal
stability
up
290°C,
contact
angle
61.4°,
water
absorption
49.5%
indicate
its
suitability
for
diverse
conditions.
Additionally,
cytotoxicity
tests
demonstrated
material's
biocompatibility,
while
soil
burial
showed
mass
loss
74.2%
over
75
days,
verifying
biodegradability.
These
can
replace
nondegradable
thermoplastics
various
Язык: Английский