Process for producing polybenzimidazole pastes and gels for...

C - Chemistry – Metallurgy – 08 – J

Patent

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C08J 3/02 (2006.01) C08J 3/09 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2306481

A method for producing polybenzimidazole (PBI) paste or gel useful in a fuel cell, mixing PBI polymer powder with a suitable amount of an acid, which permits the polymer to dissolve and form a matrix having a gel-like or paste-like consistency at room temperature.

Ce procédé, qui sert à produire une pâte ou un gel de polybenzimidazole (PBI) utiles dans une pile à combustible, consiste à mélanger une poudre polymère de PBI avec une quantité appropriée d'un acide, ce qui amène le polymère à se dissoudre et à former une matrice ayant la consistance d'un gel ou d'une pâte à la température ambiante.

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