Molecular-mass Determination and Dilute-solution Properties of Polyether From Bisphenols and 4,4'-dichlorodiphenyl Sulfone
Charlier, Y.;Godard, Pierre;Daoust, Daniel;Strazielle, C.
(1994) Macromolecules — Vol. 27, n° 13, p. 3604-3610 (1994)
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Authors
Charlier, Y.
Author
Godard, PierreUCLouvain
Author
Daoust, DanielUCLouvain
Author
Strazielle, C.
Author
Abstract
Molecular characterization of PES by light scattering, viscometry, and size exclusion chromatography (SEC) is described. A Mark-Houwink-Sakurada relationship in NMP + 0.1 M LiBr is established. From specific and universal calibrations, absolute molecular masses of PES are obtained by SEC. Number average molecular masses from SEC and H-1 NMR are compared. The study of PES conformation in dilute solution reveals a high flexibility of the PES chain in a good solvent. The sigma factor is close to 1, and the Kuhn statistical element contains approximately six repeat units.
Charlier, Y., Godard, P., Daoust, D., & Strazielle, C. (1994). Molecular-mass Determination and Dilute-solution Properties of Polyether From Bisphenols and 4,4′-dichlorodiphenyl Sulfone. Macromolecules, 27(13), 3604-3610. https://doi.org/10.1021/ma00091a023 (Original work published 1994)