Multicomponent diffusion involving high polymers. II. Characterization of polydispersity from diffusion data

E. L. Cussler

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Polydispersity may be described by average diffusion coefficients. This work develops the theory for the determination of these coefficients with the Gouy interferometer. If a particular form of the distribution function of diffusion coefficients is assumed, number-average and weight-average molecular weights may be calculated. Two polystyrenes of broad molecular weight distribution are studied in cyclohexane at 35°.

Original languageEnglish (US)
Pages (from-to)1144-1148
Number of pages5
JournalJournal of physical chemistry
Volume69
Issue number4
DOIs
StatePublished - Jan 1 1965
Externally publishedYes

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