Poly(diphenylacetylene) Membranes with High Gas Permeability and Remarkable Chiral Memory
β Scribed by Teraguchi, Masahiro; Masuda, Toshio
- Book ID
- 120056455
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 105 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0024-9297
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π SIMILAR VOLUMES
Diphenylacetylenes having a dimethyloctylsilyl group and an alkyl group at para positions [Me 2 n-C 8 H 17 SiC 6 H 4 C^CC 6 H 4 R; R ΒΌ H (1a), i-Pr (1b), t-Bu (1c), n-Bu (1d)] and having only an alkyl group [PhC^CC 6 H 4 R; R ΒΌ i-Pr (1B), t-Bu (1C)] were synthesized and then polymerized with TaCl 5
Diphenylacetylenes having both a trimethylsilyl group and an alkyl group at para positions [Me 3 SiC 6 H 4 C^CC 6 H 4 R; R ΒΌ Et (1a), n-Bu (1b), t-Bu (1c), n-C 8 H 17 (1d)] and having only an alkyl group [PhC^CC 6 H 4 R; R ΒΌ n-Bu (1B), n-C 8 H 17 (1D)] were synthesized and then polymerized with TaCl
A photocrosslinkable polyimide membrane was prepared and investigated with regard to the effect of ultraviolet light irradiation (UV-irradiation) using a highpressure mercury lamp on their gas permeabilities and permselectivities. Permeability and diffusion coefficients for O 2 , N 2 , H 2 , and CO