Title:
Polyimide-based Carbon Molecular Sieve Membrane For Ethylene/ethane Separations
Polyimide-based Carbon Molecular Sieve Membrane For Ethylene/ethane Separations
Files
Author(s)
Advisor(s)
Editor(s)
Collections
Supplementary to
Permanent Link
Abstract
Carbon molecular sieve membranes having desirable selectivity for ethylene/ethane separations are prepared from a 3,3',4,4'-benzophenonetetracarboxylic acid dianhydride 5(6)-amino-1-(4'-aminophenyl)-1,3,3-trimethylindane 4,4-bismaleimidodiphenyl-methane (BTDA-DAPI) precursor solution that is then formed into films or hollow fibers which are pyrolyzed under vacuum or an inert atmosphere to form carbon molecular sieve membranes. Pyrolysis condition variables, including ramp rate, thermal soak time and temperature, are used to optimize the membrane's separation performance.
Sponsor
Date Issued
12/16/2014
Extent
Resource Type
Text
Resource Subtype
Patent