Influence of chain length on the rate of hydrolysis of polyoxymethylene ethers
β Scribed by David J. Stanonis; Walter D. King; Sidney L. Vail
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 443 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
## Abstract Diβ__n__βalkyl substituted polyfluorenes with alkyl chain lengths of 6, 7, 8, 9, and 10 carbon atoms (PF6, PF7, PF8, PF9, and PF10) are studied in dilute solution in MCH using optical spectroscopy. Betaβphase is formed upon cooling in solutions (βΌ 7βΒ΅g mL^β1^) of PF7, PF8, and PF9 only,
Electronic-structure calculations based upon the PariserαParrαPople semiempirical Hamiltonian were applied to short-chain oligomers of the conducting Ε½ . Ε½ . polymer poly p-phenylenevinylene PPV to study the effects of appending methoxy groups along the backbone as well as pushαpull nitro and amino