Direct synthesis of polycarbonates from CO2, diols, and dihalides
β Scribed by Shuichi Oi; Ken Nemoto; Satoshi Matsuno; Yoshio Inoue
- Book ID
- 102489655
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 201 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1022-1336
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## Abstract A series of new sideβchain liquid crystalline polymers was prepared with a polycarbonate backbone, bearing (__E__)β4β²βnitrostilbene mesogenic groups, connected to the backbone by spacers of different length. The polymers were synthesized in 1,4βdioxane by polycondensation of diphosgene
## Abstract The copolymerization of carbon dioxide, allyl glycidyl ether, and cyclohexene oxide catalyzed by the system consisting of Y(CF~3~CO~2~)~3~, Zn(Et)~2~, and pyrogallol in the solvent of 1, 3βdioxolane was performed in this study. The IR, ^1^H NMR, and ^13^CβNMR spectra, as well as the ele