C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/32
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.
E.i. Du Pont de Nemours And Company
Hayes Richard A.
Sim & Mcburney
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