
326 HIGH PERFORMANCE POLYMERS
14.2.7 Blends
Blends of a PAI and poly(aryl ether ketone) exhibit
improved solvent resistance and hydrolytic stability
[41]. Blends of sulfonated poly(ether ether ketone) and
PAI have been tested as membrane materials for direct
methanol fuel cells [42,43]. Miscible blends can be
obtained. Blends of poly(urethane)s (PU)s and PAI,
as the minor component, have been reported for mem-
brane applications [44]. The resulting membranes are
immiscible. Phase separation occurs when the amount
of PU decreases.
14.2.7.1 Nanocomposites
PAI nanocomposites from 4,4
-methylenebis(3-
chloro-2,6-diethylaniline) and nano-TiO
2
coupled at
the surf ...