Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same

摘要

The invention is a semi-permeable gas separation membrane having disposed thereon a non-ionic surfactant. The membrane possesses improved selectivity and recovery. The invention includes a process for making such membranes as well as a method of using such membranes.