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Physical studies of ionically terminated polytetrahydrofuran polymers. IV. Solid-state studies

✍ Scribed by S. A. M. Ali; D. J. Hourston

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
882 KB
Volume
48
Category
Article
ISSN
0021-8995

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πŸ“œ SIMILAR VOLUMES

Physical studies of ionically-terminated
Physical studies of ionically-terminated polytetrahydrofuran polymersβ€”III. NMR relaxation time studies
✍ S.A.M. Ali; D.J. Hourston; T.N. Huckerby πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 270 KB

A~traet--From 13C-NMR relaxation time studies it was confirmed that the introduction of ionic end groups in polytetrahydrofuran (PTHF) polymers affects the hydrodynamic behaviour of these ionicallyterminated PTHF polymers. This phenomenon only occurs in solvents with low dielectric constant.

Physical studies of ionically-terminated
Physical studies of ionically-terminated polytetrahydrofuranβ€”II. Application of the Mark-Houwink relation and determination of unperturbed molecular dimensions
✍ S.A.M. Ali; D.J. Hourston πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 558 KB

Abstraet--Tetrahydrofuran polymers terminated at one end with a pyridinium bromide group were prepared and their hydrodynamic behaviour contrasted with the equivalent methoxy-terminated polymers. The hydrodynamic behaviour of methoxy-terminated polytetrahydrofuran in cyclohexane, toluene, tetrahydro