Semi-permeable gas separation membranes having non-ionic...

Details Semi-permeable gas separation membranes having non-ionic... Semi-permeable gas separation membranes having non-ionic...

B - Operations, Transporting

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B01D 71/06 (2006.01) B01D 53/22 (2006.01) B01D 53/26 (2006.01) B01D 67/00 (2006.01) B01D 71/48 (2006.01) B01D 71/50 (2006.01) C08J 9/28 (2006.01)

Patent

CA 2116116

The invention is a semi-permeable gas separation membrane wherein a non-ionic surfactant is contained in, or disposed on a membrane surface. Some embodiments possess improved resistance to thermal compaction or aging. The invention includes a process for making such membranes as well as a method of using such membranes.

L'invention se rapporte à une membrane semi-perméable de séparation de gaz comprenant un agent tensio-actif non ionique contenu dasn la membrane ou disposé sur une surface de la membrane. L'invention se rapporte également à un procédé de fabrication de telles membranes ainsi qu'à un procédé d'utilisation de ces dernières.

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