New Journal of Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
A
new
heat-resistant
functional
material,
4,6-diamino-5,7-dinitro-1
H
-benzo[
d
]imidazole
(DADNBI)
was
prepared.
The
thermal
decomposition
temperature
of
DADNBI
is
366
°C,
h
50%
305
cm,
and
the
detonation
velocity
7306
m
s
−1
.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(17), С. 12790 - 12794
Опубликована: Авг. 12, 2024
Bistetrazoles
are
highly
sought
after
for
developing
innovative
high-energy
density
materials.
The
1,1'-substituted
bistetrazoles,
exemplified
by
TKX-50,
have
outstanding
performance.
However,
the
research
of
high-perfomance
2,2'-substituted
bistetrazoles
remains
limited.
In
this
work,
dinitromethyl
groups
were
introduced
into
bistetrazole
structures
as
(BDBTZ),
which
was
extensively
characterized
through
NMR,
thermal
analysis,
and
single
crystal
X-ray
diffraction,
exhibiting
excellent
oxygen
balance,
moderate
sensitivity,
acceptable
stability,
high
density,
detonation
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(39), С. 52264 - 52276
Опубликована: Сен. 18, 2024
Supramolecular
materials
with
advanced
properties
constructed
by
intermolecular
interactions
have
attracted
extensive
attention
in
many
fields,
such
as
sensing,
catalysis,
and
biomedicine.
However,
the
field
of
energetic
materials,
limited
tight-packed
crystal
structure
explosives
strong
interaction
forces,
most
supramolecular
can
only
be
obtained
organic
solution
or
under
extreme
external
loading
(high
temperature/high
pressure).
Given
practical
issues
safety
risks,
operational
difficulties,
serious
environmental
pollution,
large-scale
production
existing
technology,
a
new
method
constructing
host-guest
solvent
vapor/gas
induction
is
proposed.
This
gas-solid
reaction
takes
advantage
metastable
from
solvate
(HNIW/ACN),
cleverly
opens
fast
channel
for
gas
molecules
to
enter
cell
cavities,
which
results
highly
efficient
preparation
(HNIW/CO
The
pursuit
of
novel
energetic
materials
with
enhanced
energy
and
safety
represents
an
enduring
challenge.
Towards
this
goal,
we
employed
the
salts
to
design
synthesize
a
metal
salt
(1)
as
well
three
nitrogen-rich
energy-containing
(2,
3,
4)
derived
from
1,2-bis(4,5-di(1H-tetrazol-5-yl)-2H-1,2,3-triazol-2-yl)
diazene
(NL24).
title
compounds
were
fully
characterized
using
IR,
NMR,
elemental
analysis.
structures
1,
2
4
further
confirmed
by
single
crystal
X-ray
results
showed
that
physiochemical
properties
1
improved,
including
thermal
stability
(Td
=
281
°C),
explosive
performance
(vD
9200
m·s-1).
At
same
time,
physicochemical
hydrazine
(4)
reached
optimum
level,
294
°C)
mechanical
sensitivity
(IS
25
J,
FS
220
N).
In
addition,
structure-property
relationship
was
elucidated
through
investigation
structure
noncovalent
interactions
1,2
4.