B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 71/06 (2006.01) B01D 61/14 (2006.01) B01D 65/08 (2006.01) B01D 69/12 (2006.01) B32B 27/28 (2006.01) C08J 5/22 (2006.01)
Patent
CA 2576372
The present invention provides a composite material comprising a support member that has a plurality of pores extending therethrough, a first polymer which durably coats the pores of the support member, the first polymer layer having both hydrophobic and hydrophilic properties, and a second polymer layer disposed on the surface of the first polymer layer, the second polymer being more hydrophilic than the first polymer layer. The present invention also provides a process for preparing the composite material, and its use as a separation medium.
La présente invention concerne un matériau composite comprenant un élément support qui présente plusieurs pores s'étendant à travers ledit élément; un premier polymère qui enrobe durablement les pores de l'élément support, la première couche polymère présentant à la fois des propriétés hydrophobes et hydrophiles; et une seconde couche polymère disposée sur la surface de la premières couche polymère; la seconde couche étant plus hydrophile que la première couche polymère. Cette invention concerne également un procédé permettant de préparer le matériau composite, ainsi que l'utilisation de ce matériau en tant que moyen de séparation.
Childs Ronald F.
Dey Tapan K.
Komkova Elena N.
Mcmaster University
Smart & Biggar
LandOfFree
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