A model for the local mode relaxation process in poly(ethylene terephthalate) |
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Authors: | E. Sacher |
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Affiliation: | Systems Development Division , International Business Machines Corp. , Endicott, New York |
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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. |
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