Vacuum Thermal Degradation of Poly(ethylene oxide)
Thermal degradation of poly(ethylene oxide) (PEO) was studied under vacuum conditions. PEO macromolecules degrade predominantly by random chain scission of a backbone with elimination of oligomer fragments. The reactions include the mechanism of radical termination by disproportionation. The elimina...
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| Veröffentlicht in: | The journal of physical chemistry. B 2009-03, Vol.113 (10), p.2984-2989 |
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| container_end_page | 2989 |
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| container_issue | 10 |
| container_start_page | 2984 |
| container_title | The journal of physical chemistry. B |
| container_volume | 113 |
| creator | Choukourov, Andrei Grinevich, Andrey Polonskyi, Oleksandr Hanus, Jan Kousal, Jaroslav Slavinska, Danka Biederman, Hynek |
| description | Thermal degradation of poly(ethylene oxide) (PEO) was studied under vacuum conditions. PEO macromolecules degrade predominantly by random chain scission of a backbone with elimination of oligomer fragments. The reactions include the mechanism of radical termination by disproportionation. The eliminated fragments form thin film deposits which have chemical composition close to the original PEO. Activation of the evaporated flux with a glow discharge leads to further fragmentation and recombination of the released species and can be used to tune the properties of the resulting thin films. |
| doi_str_mv | 10.1021/jp8107107 |
| format | Article |
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PEO macromolecules degrade predominantly by random chain scission of a backbone with elimination of oligomer fragments. The reactions include the mechanism of radical termination by disproportionation. The eliminated fragments form thin film deposits which have chemical composition close to the original PEO. 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The reactions include the mechanism of radical termination by disproportionation. The eliminated fragments form thin film deposits which have chemical composition close to the original PEO. Activation of the evaporated flux with a glow discharge leads to further fragmentation and recombination of the released species and can be used to tune the properties of the resulting thin films.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>19708261</pmid><doi>10.1021/jp8107107</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 1520-6106 |
| ispartof | The journal of physical chemistry. B, 2009-03, Vol.113 (10), p.2984-2989 |
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| language | eng |
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| subjects | B: Macromolecules, Soft Matter Biocompatible Materials - chemistry Carbon - chemistry Equipment Design Hot Temperature Hydrogen - chemistry Mass Spectrometry - methods Materials Testing Models, Chemical Molecular Weight Polyethylene Glycols - chemistry Spectroscopy, Fourier Transform Infrared Surface Properties Temperature Vacuum Water - chemistry |
| title | Vacuum Thermal Degradation of Poly(ethylene oxide) |
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