A model for the local mode relaxation process in poly(ethylene terephthalate)
- 1 December 1971
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part B
- Vol. 5 (4) , 739-743
- https://doi.org/10.1080/00222347108224784
Abstract
Although the glass transition relaxation process is regarded as involving gross chain motions, the local mode [l] process is generally viewed a s involving independent motions of groups within a repeat unit [2,3]. The purpose of this note is to present an alternative model-in the case of poly(ethy1ene terephthalate), experimental evidence indicates that the local mode process involves the cooperative motions of several repeat units.Keywords
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