A
team
in
the
Department
of
Macromolecular
Science
and
Engineering
says
it
has
demonstrated
that
CNT
PU
resin
promises
to
be
“substantially”
lighter
and
eight-times
stronger
than
conventional
blade
materials.
The
claim
comes
after
researchers
fashioned
0.74-metre
long
blades
and
installed
them
on
a
400W
mini-scale
wind
turbine
for
testing.
The
CWRU
group’s
blade,
being
developed
with
the
support
of
the
US
Department
of
Energy
and
Bayer
MaterialScience,
would
be
the
first
in
the
world
to
use
CNT
PU.
“There
is
a
need
for
the
development
of
stronger
and
lighter
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