Influence of pressure on a free radical decay in a rigid main chain thermotropic polymer
Free radical decay has been studied in a gamma-irradiated rigid rod-like liquid crystalline copolymer over wide ranges of pressure (1–900 MPa) and temperature (70–140°). Rate constants and activation volumes for the decay were determined. A remarkable decrease of activation volume at temperatures ab...
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| Veröffentlicht in: | European polymer journal 1991, Vol.27 (4), p.433-434 |
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| container_end_page | 434 |
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| container_issue | 4 |
| container_start_page | 433 |
| container_title | European polymer journal |
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| creator | SZOCS, F KLIMOVA, M |
| description | Free radical decay has been studied in a gamma-irradiated rigid rod-like liquid crystalline copolymer over wide ranges of pressure (1–900 MPa) and temperature (70–140°). Rate constants and activation volumes for the decay were determined. A remarkable decrease of activation volume at temperatures above
T
g of the polymer was observed and attributed to rotational structural order along the long axis of the rod-life molecules. |
| doi_str_mv | 10.1016/0014-3057(91)90201-X |
| format | Article |
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T
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T
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T
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| fulltext | fulltext |
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| ispartof | European polymer journal, 1991, Vol.27 (4), p.433-434 |
| issn | 0014-3057 1873-1945 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25306820 |
| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Properties and characterization Thermal and thermodynamic properties |
| title | Influence of pressure on a free radical decay in a rigid main chain thermotropic polymer |
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