Web-reinforced separator and continuous method for producing...

C - Chemistry – Metallurgy – 25 – B

Patent

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Details

C25B 13/00 (2006.01) C25B 13/08 (2006.01) H01M 8/12 (2006.01)

Patent

CA 2574994

The present invention is related to a process for preparing an ion-permeable web-reinforced separator membrane, comprising the steps of: providing a web (2A) and a suitable paste (5), guiding said web (2A) in a vertical position, equally coating both sides of said web with said paste to produce a paste coated web (2B), and applying a symmetrical surface pore formation step and a symmetrical coagulation step to said paste coated web to produce a web- reinforced separator membrane.

L'invention concerne un procédé de préparation d'une membrane de séparation renforcée par une bande perméable aux ions. Ce procédé comprend les étapes consistant : à utiliser une bande (2A) et une pâte appropriée (5) ; à guider ladite bande (2A) en position verticale ; à revêtir de manière égale les deux côtés de ladite bande avec ladite pâte afin d'obtenir une bande (2B) revêtue par de la pâte ; et à procéder à une étape de formation de pore de surface symétrique et à une étape de coagulation symétrique sur ladite bande revêtue par de la pâte afin d'obtenir une membrane de séparation renforcée par une bande.

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