Study and characterization of the hysteresis behavior of polyimide membranes in the thermal cycle process of pervaporation separation

Keyphrases

• Asymmetric Membrane 66%
• Benzene Ring 33%
• Chain Rigidity 33%
• Dense Membranes 33%
• Densification 33%
• DSPACE 33%
• High Heat Flux 33%
• High Selectivity 66%
• High Temperature 66%
• Hysteresis Behavior 100%
• Large Molecules 33%
• Low Temperature 66%
• Matrimid 33%
• Matrimid 5218 33%
• Membrane Flux 33%
• Membrane Swelling 33%
• Microporous Structure 33%
• Non-equilibrium 33%
• Path Dependence 33%
• Penetrant 33%
• Pervaporation 100%
• Pervaporation Separation 100%
• Polyimide Membrane 100%
• Polymer Chain 33%
• SEM Images 33%
• Separation Factor 100%
• Skin Membranes 33%
• Solvent-induced 33%
• Stable Performance 33%
• Tert-butanol 66%
• Thermal Cycling 100%
• Thermal Hysteresis 33%
• Thermally Induced 33%
• Water Mixtures 33%

Engineering

• Asymmetric Membrane 50%
• Benzene Ring 25%
• Cooperative 25%
• Dense Membrane 25%
• Densification 25%
• Low-Temperature 50%
• Matrimid 50%
• Measured Value 25%
• Membrane Flux 25%
• Nonequilibrium 25%
• Pervaporation 100%
• Polymer Chain 25%
• Porous Structure 25%
• Rigidity 25%
• Separation Factor 75%
• Straightness 25%
• Thermal Cycle 100%

Chemical Engineering

• Butene 50%
• Pervaporation 100%
• Polyimide 100%