Copolymerization of 1-(trimethylsilyl)-1-propyne with disubstituted hydrocarbon acetylenes
β Scribed by Toshiyuki Hamano; Toshio Masuda; Toshinobu Higashimura
- Book ID
- 105337019
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 482 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0887-624X
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π SIMILAR VOLUMES
Propane and n-butane sorption in blends of poly( 1-trimethylsilyl-1-propyne) (PTMSP) and poly(1-phenyl-1-propyne) (PPP) have been determined. Solubilities of propane and n-butane increased as the PTMSP content in the blends increased. This result is consistent with the higher free volume of PTMSP-ri
Pure gas solubility and permeability of H 2 , O 2 , N 2 , CO 2 , CH 4 , C 2 H 6 , C 3 H 8 , CF 4 , C 2 F 6 , and C 3 F 8 in poly(1-trimethylsilyl-1-propyne) (PTMSP) were determined as a function of pressure at 35Β°C. Permeability coefficients of the perfluorinated penetrants are approximately an orde
Poly(1-trimethylsilyl-1-propyne) (PTMSP), a high free-volume glassy disubstituted polyacetylene, has the highest gas permeabilities of all known polymers. The high gas permeabilities in PTMSP result from its very high excess free volume and connectivity of free volume elements. Permeability coeffici