Discrete hydrophilic-hydrophobic porous materials and...

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 9/24 (2006.01) A61L 27/34 (2006.01) A61L 27/50 (2006.01) A61L 27/56 (2006.01)

Patent

CA 2467643

This invention relates to porous polymeric materials having discrete regions that exhibit distinct surface properties. The invention also relates to methods of making such porous polymeric materials and their applications. The geography of the discrete regions can be determined in a selective and controlled manner. Porous materials having discrete regions of distinct hydrophilicity, hydrophobicity, oleophobicity, biological molecules binding capability, wetting and wicking property, presence or density of functional groups, chemical reactivity, electric charges, porosity and pore sizes can be manufactured using this invention.

Cette invention a trait à des matériaux polymères poreux possédant des régions distinctes faisant montre de propriétés de surface différentes. Elle concerne également des procédés de fabrication de ces matériaux polymères poreux ainsi que leurs applications. Il est possible de déterminer de façon sélective la géographie de ces régions distinctes et de les commander. Il est possible, grâce à ces procédés, de fabriquer des matériaux poreux possédant des régions distinctes se distinguant par des propriétés hydrophiles, hydrophobes, ou oléophobes, une capacité de fixation à des molécules biologiques, des propriétés mouillantes et de drainage, et des régions se distinguant par la présence ou la densité de groupes fonctionnels, par leur réactivité chimique, leurs charges électriques, leur porosité et le calibre de leurs pores.

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