Fast dynamics below and around the glass transition in a sidegroup polymer (PVME)

A. Chahid, J. Colmenero and A. Alegría

Physica A: Statistical Mechanics and its Applications, 1993, vol. 201, issue 1, 101-105

Abstract: We have investigated the dynamics of a sidegroup polymer, poly(vinyl methyl ether) (PVME) in the time scale between 10-11 s and 10-13 s by means of time-of-flight quasi-elastic neutron scattering below and around the glass transition Tg. The quasi-elastic broadening of the spectra are interpreted in terms of a local motion of the methyl sidegroups and a model for this motion is presented. Additional scattering appears in the quasi-elastic range at T>Tg. Some preliminary results concerning the dynamics of this system above the glass transition are also reported.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:201:y:1993:i:1:p:101-105

DOI: 10.1016/0378-4371(93)90405-S

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