Method for the treatment of polyazole films

Details Method for the treatment of polyazole films Method for the treatment of polyazole films

C - Chemistry, Metallurgy

08

J

C08J 7/02 (2006.01) C08G 73/06 (2006.01) C08G 73/08 (2006.01) C08G 73/18 (2006.01) C08G 73/22 (2006.01) C08J 7/06 (2006.01) C08J 7/12 (2006.01) C08J 7/14 (2006.01) C08J 7/16 (2006.01) C08L 79/04 (2006.01) C08L 79/06 (2006.01)

Patent

CA 2496388

The present invention relates to a process for the treatment of polyazole films, in which a film is passed at least twice through a trough filled with a liquid, with the film being unrolled from a spool and rolled up on a further spool and the direction of travel of the film is changed during the treatment by altering the direction of rotation of the spools.

La présente invention concerne un procédé de traitement de pellicules polyazol consistant à faire passer au moins deux fois une pellicule dans une cuve remplie de liquide. Selon ledit procédé, la pellicule est retirée d'une première bobine et enroulée sur une deuxième bobine, et le sens d'avancement de la pellicule est inversé lors du traitement par modification du sens de rotation des bobines.

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