Polymeric compositions for use with membranes

C - Chemistry – Metallurgy – 08 – L

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18/13, 400/6101

C08L 81/06 (2006.01) C08G 65/48 (2006.01) C08J 5/22 (2006.01)

Patent

CA 1087778

PRECIS DE LA DIVULGATION Compositions utilisables pour la réalisation de membranes d'ultrafiltration à partir d'une solution de polymères dont la concentration en poids dans ladite solution est supé- rieure à 20%, caractérisées en ce qu'elles consistent essentiel- lement en un mélange d'au moins une polysulfone non sulfonée et d'au moins une polysulfone sulfonée, ce mélange contenant 8 à 60% en poids de polysulfone sulfonée laquelle a une capacité d'échange théorique comprise entre 150 et 1,500 meg/Kg (milliéqui- valents par kilogramme de polysufone sulfonée).

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