Flow-induced scission of isolated macromolecules

J. A. Odell, A. Keller, Y. Rabin

Research output: Contribution to journalArticlepeer-review

116 Scopus citations


We review experimental results on the degradation of stretched polymer molecules in strong extensional flow fields. Atactic polystyrene and polyethylene oxide both show closely central scission along the backbone of the chain. We present a theoretical approach based upon a modified thermally activated barrier to scission model. This successfully describes the scission process as a function of molecular weight and stiffness and strain rate.

Original languageEnglish
Pages (from-to)4022-4028
Number of pages7
JournalJournal of Chemical Physics
Issue number6
StatePublished - 1988
Externally publishedYes


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