B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 67/00 (2006.01) B01D 39/08 (2006.01) B01D 69/14 (2006.01) B01J 15/00 (2006.01) B01J 16/00 (2006.01) B01J 31/06 (2006.01) B05D 3/06 (2006.01) C08J 9/40 (2006.01)
Patent
CA 2099727
A method of preparing a porous article is provided, the method includes contacting a porous substrate with a first reactant that enters pores of the substrate; and contacting the porous substrate bearing the first reactant with a second reactant that is capable of reacting with the first reactant in an interfacial polymerization reaction; the amounts of first and second reactant being selected such that there occurs no, or substantially no, closing of pores of the substrate by the formed polymer. The invention also provides a porous article bearing a compound which is photochemically reactive and capable of undergoing a substantially non-reversible chemical transformation upon exposure to ultra-violet, visible or near infra-red irradiation. The photochemically reactive compound can be derivatized by irradiation and further reaction to provide a wide variety of useful membranes, for example, for microfiltration or for biochemical reactions and separations.
Childs Ronald F.
Dickson James M.
Gagnon David R.
Rilling Ken
Mcmaster University
Minnesota Mining And Manufacturing Company
Smart & Biggar
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