Keyphrases
Gas Separation
100%
Carbonization
100%
Acetylene
100%
Copolyimide
100%
Polyimide
60%
Polymer Chain
60%
Gas Separation Performance
40%
Diels-Alder Cycloaddition
40%
Wide-angle X-ray Diffraction
40%
Aromatic Structure
40%
6FDA-durene
40%
Dianhydride
20%
Diamine
20%
Membrane Structure
20%
Cross-linked
20%
Network Structure
20%
Polymer Matrix
20%
Enhanced Resistance
20%
Thermal Treatment
20%
Chain Packing
20%
6FDA
20%
Gas Permeability
20%
Cycloaddition Reaction
20%
Main Chain
20%
Carbon Membrane
20%
FT-Raman
20%
Gas Selectivity
20%
Differential Scanning Calorimetry
20%
Crosslinked Membrane
20%
Self-crosslinking
20%
CO2 Plasticization
20%
Graphitization Degree
20%
Rigidification
20%
Durene
20%
Random Copolymerization
20%
1,4-phenylenediamine
20%
Engineering
Separation Gas
100%
Internals
100%
Polymer Chain
75%
Aromatics
50%
Separation Performance
50%
Ray Diffraction
50%
Copolymerization
25%
Main Chain
25%
Graphitization
25%
Enhanced Resistance
25%
Plasticisation
25%
Polymer Matrix
25%
Chemical Engineering
Polyimide
100%
Carbonization
100%
Differential Scanning Calorimetry
14%
Copolymerization
14%
Material Science
Polyimide
100%
Wide Angle X-Ray Diffraction
28%
Polymer Matrix
14%
Differential Scanning Calorimetry
14%
Copolymerization
14%
Membrane Structure
14%
Gas Permeability
14%