Dynamics of propylene glycol and its 7-mer by neutron scattering

J. Swenson, I. Köper, M. T.F. Telling

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The dynamics of propylene glycol (PG) and its 7-mer were investigated using quasielastic neutron scattering (QENS) and neutron spin-echo (NSE). The QENS results showed a weakly temperature dependent fast local motion of hydrogens in the polymeric backbone, an almost temperature independent rotational motion of the methyl groups, and a strongly temperature dependent translational process. It was also observed that the dynamics was slowest and the stetching parameter βKWW was largest for Q= 1.4 Å-1.

Original languageEnglish
Pages (from-to)5073-5079
Number of pages7
JournalJournal of Chemical Physics
Volume116
Issue number12
DOIs
Publication statusPublished - 22 Mar 2002
Externally publishedYes

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