C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/12 (2006.01) B01D 53/22 (2006.01) B01D 67/00 (2006.01) B01D 69/08 (2006.01) B01D 69/12 (2006.01) B01D 71/56 (2006.01) B01D 71/60 (2006.01) B01D 71/64 (2006.01)
Patent
CA 2385947
A process for chemically modifying a dual-layer hollow fibre, wherein said fibre comprises a first layer consisting essentially of a polyimide and a second layer consisting essentially of a polymer which is substantially unaffected by the chemical modification process, which process comprises contacting said polyimide layer with a polyamine. A process for chemically modifying a polyimide membrane in general, which process comprises contacting said membrane with an alcoholic solution of an aliphatic-aromatic polyamine.
Chung Tai-Shung
Li Dong-Fei
Liu Ye
Wang Rong
British Gas Asia Pacific Pte Limited
Gowling Lafleur Henderson Llp
Institute Of Materials Research & Engineering
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