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The heat-treated PAN/SiO2 hybrid membranes were prepared through combining organic/inorganic blend and heat treatment methods for acetylene absorption process. The effect of SiO2 contents (0.5, 1, 2 and 3wt%), heat treatment temperature on the membrane morphology, structure and performance were investigated. The as-prepared membranes were characterized by FTIR, SEM, gas permeation test, hydrophobicity...
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