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Cyclization dynamics of polymers. 20. Excluded volume effects on the end-to-end cyclization of polystyrene in mixed solvents

✍ Scribed by Martinho, J. M. G.; Winnik, Mitchell A.

Book ID
126167351
Publisher
American Chemical Society
Year
1986
Tongue
English
Weight
471 KB
Volume
19
Category
Article
ISSN
0024-9297

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Cyclization dynamics of polymers, 26. En
Cyclization dynamics of polymers, 26. End-to-end cyclization of polystyrene in mixed solvents. Effect of chain length
✍ Martinho, JosΓ© M. G. ;Martinho, Maria Helena ;Winnik, Mitchell A. ;Beinert, GΓ©ra πŸ“‚ Article πŸ“… 1989 πŸ› Wiley (John Wiley & Sons) βš– 520 KB

Cyclization rate measurements were carried out on polystyrene chains of different molecular weights and labelled at both ends with I-pyrenyl groups, using as solvents cyclopentane (a thetasolvent), acetone (a poor solvent), and their mixtures. These mixtures exhibit a cosolvency effect for polystyre