Amine-modified polyimide membranes

C - Chemistry – Metallurgy – 08 – J

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C08J 9/36 (2006.01) B01D 67/00 (2006.01) B01D 71/64 (2006.01) C08G 73/10 (2006.01)

Patent

CA 2017831

TITLE AMINE-MODIFIED POLYIMIDE MEMBRANES ABSTRACT Process of reacting polyimide membranes for separation of mixtures of fluids and particularly separation of mixtures of gas with primary or secondary mono-, di-, tri- or polyamines and the resultant products are disclosed. This modification results in improved gas permeation properties and, in some cases, improved environmental resistance.

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