Fluorescence quenching and polarization studies of segmental motion in polystyrene

K Brown, Ian Soutar

Research output: Contribution to journalArticle

Abstract

Fluorescence quenching has been used in conjunction with measurements of fluorescence polarization to study the segmental relaxation of polystyrene. There is confirmation of the apparent variation in the intrinsic polarization of the bound fluorescent probe with the nature of the macromolecule. The results agree with previous observations, using a different fluorescence approach, that the rotational times for groups at the chain ends are less than one fifth of those for the same groups in the chain interiors. The variation of intrinsic polarization with polymer structure is discussed. © 1974.

Original languageEnglish
Pages (from-to)433-437
Number of pages5
JournalEuropean Polymer Journal
Volume10
Issue number5
Publication statusPublished - May 1974

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