2024
DOI: 10.1177/09540083241229209
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Preparation and properties of high-temperature resistant bisphthalonitrile resins containing trifluoromethyl groups reinforced by poly (aryl ether nitrile) capped by phthalonitrile and their composites

Xuhai Xiong,
Lei Yao,
Rong Ren
et al.

Abstract: A new series of high-temperature resistant bisphthalonitrile resins containing trifluoromethyl groups were prepared based on 4,4’-(hexafluoroisopropylidene) bisphthalonitrile (BFPh), which was toughened by hexafluoroisopropylidene-containing poly (aryl ether nitrile) oligomer capped by phthalonitrile (FPEN-Ph) in the different content. In addition, glass fiber reinforced composites were prepared by hot pressing process. The structure of the oligomer was characterized by FTIR and 1HNMR. The curing behavior of t… Show more

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