High Performance Polymers 8 Poly arylene ether nitrile s

Monomers for PEN are summarized in Table 8.1 and in Eigures 8.2 and 8.3. Bifunctional monomers are used to build up the polymeric chain, whereas monofunctional monomers are suitable to regulate the molecular weight of 

4 -Dihydroxydiphenyl sulfone Hydroxyaryl substituted spirodUactams, e.g., l,6-Di(3-hydroxyphenyl)-l,6-diazaspiro[4.4]-  

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