Method for making polybenzobisoxazole containing fiber

Details Method for making polybenzobisoxazole containing fiber Method for making polybenzobisoxazole containing fiber

C - Chemistry, Metallurgy

08

G

C08G 73/22 (2006.01)

Patent

CA 2614965

A method of making polybenzobisoxazole containing fiber by use of a non- polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring closure occurs in the hydroxylated polymer.

L'invention concerne un procédé de fabrication de polybenzobisoxazole contenant des fibres grâce à l'utilisation d'un polymère non-polybenzobisoxazole, à l'hydroxylation du polymère, à la formation du polymère en une fibre et au chauffage de la fibre, ce qui provoque la fermeture de l'anneau dans le polymère hydroxylé.

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