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Substituted propyne polymers—part II. Effects of aging on the gas permeability properties of poly[1-(trimethylsilyl)propyne] for gas separation membranes

✍ Scribed by Michael Langsam; Lloyd M. Robeson


Publisher
Society for Plastic Engineers
Year
1989
Tongue
English
Weight
846 KB
Volume
29
Category
Article
ISSN
0032-3888

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The effect of physical aging on the gas permeability, fractional free volume (FFV), and positron annihilation lifetime spectroscopy (PALS) parameters of dense, isotropic poly(1-trimethylsilyl-1-propyne) (PTMSP) films synthesized with TaCl 5 and NbCl 5 was characterized. As-cast films were soaked in