Thin film pervaporation membranes

B - Operations – Transporting – 01 – D

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Details

B01D 69/14 (2006.01) B01D 61/36 (2006.01) B01D 67/00 (2006.01)

Patent

CA 2762169

The present invention relates to novel pervaporation membranes comprising a porous support layer upon which a thin coating is applied. More specifically, the present invention providespervaporation membranes with an improved performance by applying an aggregate filled PTMSPcoating with a maximal thickness of 25µm onto the porous support. The present invention further relates to methods of the manufacturing of such pervaporation membranes.

La présente invention porte sur de nouvelles membranes de pervaporation comprenant une couche support poreuse sur laquelle un revêtement mince est appliqué. Plus précisément, la présente invention porte sur des membranes de pervaporation ayant une performance améliorée par application d'un revêtement de PTMSP chargé d'agrégat ayant une épaisseur maximale de 25 µm sur le support poreux. La présente invention porte en outre sur des procédés pour la fabrication de telles membranes de pervaporation.

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