FirePhysChem,
Год журнала:
2022,
Номер
3(2), С. 158 - 163
Опубликована: Окт. 9, 2022
Cocrystal
of
2,4,6,8,10,12-hexaazaisowurtzitane/1-methyl-3,4,5-trinitropyrazole
(CL-20/MTNP)
in
a
1:1
molar
ratio
is
promising
energetic
material,
since
it
combines
the
superior
detonation
performance
CL-20
and
good
mechanical
sensitivity
MTNP.
In
order
to
promote
its
progress
practical
use,
rapid,
facile
candidate
large-scale
manufacture
method-spray
drying
was
used
prepare
CL-20/MTNP
cocrystal
this
study.
The
morphology,
crystal
structure
thermodynamic
behavior
resulted
CL-20/MTNP-SD
cocrystal,
raw
materials
prepared
via
solvent
evaporation
method
(CL-20/MTNP-E)
were
systematically
studied
by
scanning
electron
microscopy
(SEM),
X-ray
diffraction
spectroscopy
(XRD)
differential
calorimetry
(DSC),
respectively.
shows
regular
spherical
shape
with
diameter
narrowly
distributed
from
0.2
µm
2
µm.
This
morphology
different
rod-like
CL-20/MTNP-E
cocrystal.
thermal
similar
totally
materials.
Additionally,
initiation
temperature
activation
energy
for
decomposition
are
slightly
lower
than
short
pulse
slapper
cocrystals
have
been
investigated.
spray
endows
ability
being
initiated
short-duration
impulse.
And
impact
initiating
threshold
even
commonly
explosive
2,2′,4,4′,6,6′-hexanitrostilbene
(HNS).
result
evokes
prospective
application
as
an
impulse
shockwave.
New Journal of Chemistry,
Год журнала:
2022,
Номер
46(35), С. 16693 - 16701
Опубликована: Янв. 1, 2022
Novel
CL-20
analogues,
BNMTNIW
and
BNIMTNIW,
were
investigated,
found
to
exhibit
high
densities,
positive
heats
of
formation
excellent
propulsive
detonation
performance
with
better
stability
than
CL-20.
Defence Technology,
Год журнала:
2021,
Номер
18(6), С. 907 - 917
Опубликована: Апрель 20, 2021
Cocrystallization
integrates
the
merits
of
high
energy
and
insensitivity
between
energetic
molecules
to
obtain
energetics
with
satisfying
performance.
However,
how
supramolecular
synthons
accurately
rapidly
for
predicting
structure
property
cocrystal
remains
a
challenging
problem.
In
this
research,
an
efficient
systematic
search
approach
predict
CL-20/2,4-DNI
has
been
proposed
that
2,4-DNI
revolves
around
CL-20
stoichiometric
ratio
1:1
in
accordance
specified
rules
(hydrogen
bond
length:
2.2–3.0
Å;
radius:
6.5
number
hydrogen
bond:
1–3).
Eight
possible
were
obtained
by
combining
quantum
chemistry
molecular
mechanics.
Crystal
prediction
indicated
there
are
four
structures
cocrystal,
namely
P21/c,
P212121,
Pbca
Pna21,
is
likely
be
P21/c
corresponding
cell
parameters
Z
=
4,
8.28
Å,
b
12.17
c
20.42
α
90°,
β
96.94°,
γ
ρ
1.9353
g/cm3.
To
further
study
intermolecular
interaction
series
theoretical
analyses
employed
including
energy,
electrostatic
potential
(ESP),
Density
State
(DOS),
Hirshfeld
surface
analysis.
The
C–H⋯O
bonds
demonstrated
as
predominant
driving
forces
formation.
mechanical
properties
detonation
implies
shows
better
ductility
excellent
performances
(9257
m/s,
39.27
GPa)
can
serve
promising
material.
Cocrystal
predicted
was
compared
experimental
one
verify
accuracy
approach.
There
less
than
8.8%
error
experiment
results,
indicating
extremely
reliability
accuracy.
new
strategy
identify
effectively
does
have
promote
development
design.
Pharmaceutical Development and Technology,
Год журнала:
2024,
Номер
29(7), С. 691 - 702
Опубликована: Июль 24, 2024
Hesperidin
(HSP)
is
a
natural
flavonoid
glycoside
with
very
low
aqueous
solubility
and
slow
dissolution
rate,
limiting
its
effectiveness.
This
study
aims
to
address
these
issues
by
creating
co-crystals
of
hesperidin
water-soluble
small
molecules
(co-formers)
such
as
L-arginine,
glutathione,
glycine,
nicotinamide.
Using
the
solvent
drop
grinding
method,
we
prepared
three
different
molar
ratios
co-formers
(1:1,
1:3,
1:5)
conducted
in-vitro
studies.
The
results
demonstrated
that
exhibited
significantly
enhanced
rates
compared
untreated
hesperidin.
Of
particular
note,
HSP
formula
(HSP:
L-arg
displayed
approximately
4.5
times
higher
than
pure
Further
analysis
using
FTIR,
powder
x-ray
diffraction
patterns,
DSC
thermograms
validated
formation
between
L-arginine.
Additionally,
co-crystallization
L-arginine
improved
in
vitro
anti-inflammatory
antioxidant
activities
drug.
highlights
potential
through
enhance
solubility,
dissolution,
biological
poorly
drugs.
Furthermore,
vivo
studies
are
crucial
validate
promising
results.
FirePhysChem,
Год журнала:
2022,
Номер
3(2), С. 158 - 163
Опубликована: Окт. 9, 2022
Cocrystal
of
2,4,6,8,10,12-hexaazaisowurtzitane/1-methyl-3,4,5-trinitropyrazole
(CL-20/MTNP)
in
a
1:1
molar
ratio
is
promising
energetic
material,
since
it
combines
the
superior
detonation
performance
CL-20
and
good
mechanical
sensitivity
MTNP.
In
order
to
promote
its
progress
practical
use,
rapid,
facile
candidate
large-scale
manufacture
method-spray
drying
was
used
prepare
CL-20/MTNP
cocrystal
this
study.
The
morphology,
crystal
structure
thermodynamic
behavior
resulted
CL-20/MTNP-SD
cocrystal,
raw
materials
prepared
via
solvent
evaporation
method
(CL-20/MTNP-E)
were
systematically
studied
by
scanning
electron
microscopy
(SEM),
X-ray
diffraction
spectroscopy
(XRD)
differential
calorimetry
(DSC),
respectively.
shows
regular
spherical
shape
with
diameter
narrowly
distributed
from
0.2
µm
2
µm.
This
morphology
different
rod-like
CL-20/MTNP-E
cocrystal.
thermal
similar
totally
materials.
Additionally,
initiation
temperature
activation
energy
for
decomposition
are
slightly
lower
than
short
pulse
slapper
cocrystals
have
been
investigated.
spray
endows
ability
being
initiated
short-duration
impulse.
And
impact
initiating
threshold
even
commonly
explosive
2,2′,4,4′,6,6′-hexanitrostilbene
(HNS).
result
evokes
prospective
application
as
an
impulse
shockwave.