
214 HIGH PERFORMANCE POLYMERS
Table 8.2 Mechanical Properties of Poly(arylene ether nitrile)
Sample Yield Strength Breaking Strength Tensile Modulus Elongation
(kp cm
−2
) (kp cm
−2
) (kp cm
−2
) at Break (%)
(DCBN):(R) = 1:1
a
[8] 1400 1320 32,000 60
(DCBN):(R) = 1:1
b
[8] 1350 1300 31,000 50
(DFBN):(R) = 1:1
a
[8] 1450 1320 32,000 50
(DCBN):(R) = 1:1 [8]
+(PPh)
a
950 900 30,000 20
(DCBN):(S) = 1:1 [10] – 1030 28,500 7
(DCBN) 2,6-dichlorobenzonitrile; (DFBN) 2,6-difluorobenzonitrile; (PPh) p-phenylphenol as chain stopper; (R) resorcin; (S) 1,6-di(4-
hydroxyphenyl)-1,6-diazaspiro[4.4]nonane-2,7-dione.
a
Prepared in NMP solvent.
b
Prepared in 1,3-dimethylimidazolidinone