Permselective structurally robust membrane material

Details Permselective structurally robust membrane material Permselective structurally robust membrane material

C - Chemistry, Metallurgy

08

G

C08G 77/42 (2006.01) A61B 5/05 (2006.01) C08G 77/448 (2006.01)

Patent

CA 2526585

A biocompatible multipolymer, having a backbone comprising about 10 to 45 wt % of at least one hard segment and about 55 to 90 wt % of soft segments. The soft segments are divided into three groups, 5 to 25 wt %, of total soft segment weight, of an oxygen permeable soft segment; 5 to 25 wt %, of total soft segment weight, of a hydrophilic soft segment; and 50 to 90 wt %, of total soft segment weight, of a biostable, relatively hydrophobic soft segment.

L'invention concerne un multipolymère biocompatible, présentant un squelette comprenant entre 10 et 45 % d'au moins un segment dur et entre 55 et 90 % de segments souples. Lesdits segments souples sont divisés en trois groupes, 5 à 25 % en poids total de segments souples, d'un segment souple perméable à l'oxygène ; 5 à 25 % en poids total des segments souples, d'un segment souple hydrophile ; et 50 à 90 % en poids total de segments souples, d'un segment souple relativement hydrophobe, biostable.

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