Keyphrases
Ortho
100%
6FDA
100%
Physical Aging
100%
Plasticization
100%
Functional Polyimide
100%
Thermally Rearranged
100%
Thick Film
40%
CO2 Permeation
40%
Long-term Exposure
40%
Thermal Rearrangement
40%
Thermally Rearranged Polymer
40%
Propane
20%
Ethane
20%
Dianhydride
20%
Condensable Gas
20%
Ethylene
20%
Exposure Time
20%
Thickness Dependence
20%
Polymer Matrix
20%
Polymer Film
20%
Rapid Decline
20%
Biphenyl
20%
Gas Permeability
20%
Diamino
20%
Ideal Selectivity
20%
Gas Separation Property
20%
Gradual Increase
20%
Hexafluoropropane
20%
Plasticizing
20%
Aging Rate
20%
Material Science
Polyimide
100%
Film
100%
Thin Films
100%
Thick Films
100%
Polymer Films
20%
Polymer Matrix
20%
Gas Permeability
20%
Engineering
Plasticisation
100%
Thin Films
100%
Longer Term
66%
Separation Gas
33%
Condensable Gas
33%
Exposure Time
33%
Polymer Matrix
33%