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DIRECT MEASUREMENT OF THE TEMPERATURE-DEPENDENCE OF THE UNPERTURBED DIMENSIONS OF A POLYMER
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UNSPECIFIED. (1991) DIRECT MEASUREMENT OF THE TEMPERATURE-DEPENDENCE OF THE UNPERTURBED DIMENSIONS OF A POLYMER. EUROPHYSICS LETTERS, 15 (7). pp. 715-719. ISSN 0295-5075
Full text not available from this repository.Abstract
We demonstrate for the first time that small-angle neutron scattering can be used as a direct and accurate method to determine the temperature dependence of the unperturbed dimensions of a polymer. The sensitivity of the technique arises from the remarkable accuracy with which the random walk model can be used to describe the single-chain structure factor, and enables us to detect changes in the polymer radius of gyration of less than 0.5%. We present results for molten polyethylene and verify the accepted value of the temperature coefficient of thermal expansion.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | EUROPHYSICS LETTERS |
| Publisher: | EDITIONS PHYSIQUE |
| ISSN: | 0295-5075 |
| Date: | 1 August 1991 |
| Volume: | 15 |
| Number: | 7 |
| Number of Pages: | 5 |
| Page Range: | pp. 715-719 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/22580 |
Data sourced from Thomson Reuters' Web of Knowledge
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