Patent ID: 6709494
Filing Date: 2004-03-23
Classification: B01D

Abstract:
A membrane separation module for the separation of gaseous components at high temperature, said module comprising a bundle of gas separation hollow fiber membranes, each of said membranes having at least one region that is encapsulated by a tubesheet, and an active membrane that is not encapsulated by said tubesheet; a tubesheet forming compound is comprised of:a) an epoxy resin first component comprised of one or more Type A resins, wherein all epoxy reactive groups are bonded through an ether linkage to carbon atoms, said resins having an epoxy functionality >2; b) an epoxy resin second component comprised of one or more Type B resins, wherein at least one epoxy reactive group is bonded to a nitrogen atom, said resins having an epoxy functionality >2; and c) an epoxy resin hardener.