Highly
dispersion
and
small
particle
size
Pd(0)
nanoparticles
were
immobilized
into
nitrogen-containing
polydentate
ligand
quaternary
ammonium/phosphonium
salt
bifunctionalized
polyacrylonitrile
fiber
to
prepared
a
novel
functionalized
catalyst
(PANNP/QA&PSF-Pd(0)).
Some
necessary
instrumental
analysis
methods,
including
inductively
coupled
plasma
atomic
emission
spectroscopy
(ICP-AES),
X-ray
photoelectron
(XPS),
Transmission
Electron
Microscope
(TEM),
etc.,
applied
accurately
characterize
the
microscopic
physical
chemical
properties
of
PANNP/QA&PSF-Pd(0),
confirming
structure
was
in
accordance
with
our
expected
design.
Additionally,
Heck
reaction
changed
as
classic
template
for
evaluating
catalytic
activity
catalyst.
The
result
verified
that
PANNP/QA&PSF-Pd(0)
can
efficiently
catalyze
between
different
halogenated
aromatic
hydrocarbons
terminal
olefins
within
6
h
under
dosage
0.02%
solvent-free
condition,
isolated
yields
target
products
reach
46-99%,
respectively.
Furthermore,
also
smoothly
Suzuki
iodized
aromatics
arylboric
acids,
achieving
satisfactory
67-99%.
Moreover,
be
reused
8
times
slight
decline
(isolated
yield
91%
80%,
respectively),
average
only
increased
from
1.94
nm
2.98
nm,
verifing
validly
dispersed
stabilized,
which
makes
has
excellent
recyclability.
Noteworthily,
reasonable
heterogeneous
mechanism
proposed.
