M5 fiber

M5 fiber (polyhydroquinone-diimidazopyridine or PIPD) is a high-strength synthetic fiber first developed by the Dutch chemical firm AkzoNobel.^[1] It is produced in the United States by the Magellan Systems International, which became a division of DuPont.

^ Lammers, M; Klop, E.A; Northolt, M.G; Sikkema, D.J (1998). "Mechanical properties and structural transitions in the new rigid-rod polymer fibre PIPD ('M5') during the manufacturing process". Polymer. 39 (24): 5999–6005. doi:10.1016/S0032-3861(98)00021-4.

[Lammers-1] Lammers, M; Klop, E.A; Northolt, M.G; Sikkema, D.J (1998). "Mechanical properties and structural transitions in the new rigid-rod polymer fibre PIPD ('M5') during the manufacturing process". Polymer. 39 (24): 5999–6005. doi:10.1016/S0032-3861(98)00021-4.

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