Abstract
A series of novel poly(aryl ether nitrile)s containing phthalazinone moiety were synthesized by the nucleophilic displacement reaction of bisphenol-like monomers ( I) with 2,6-difluorobenzonitrile. The inherent viscosities ranged from 0.46 to 1.07 dL g −1. The glass transition temperatures were in the range of 277–295 °C, and the temperatures for 10% weight loss in nitrogen atmosphere were found between 495 and 527 °C. The structures of these resultant polymers were confirmed by FT-IR and 1H NMR. Moreover, the properties of poly(aryl ether nitrile)s including solubility and crystallinity were also studied.
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