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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.2781
|2 doi
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|a eng
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|a Brunella, Valentina
|e verfasserin
|4 aut
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|a Electron beam radiation effects on UHMWPE
|b an EPR study
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 29.06.2015
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|a Date Revised 03.11.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2011 John Wiley & Sons, Ltd.
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|a Electron paramagnetic resonance (EPR) technique has been employed to detect and characterise a series of different radical species generated in ultra-high molecular weight polyethylene (UHMWPE) via electron beam irradiation. Three different radical species have been found and assigned on the basis of their EPR spectra and of the related computer simulations. A secondary alkyl species, the prevalent one, is present immediately after irradiation, an allyl species appears only 24 h after irradiation when the alkyl species disappears.The third species, clearly visible at high microwave power only, has been observed for the first time and assigned to a tertiary alkyl carbon radical, whose formation is strictly connected with a Y-shape crosslink and a migration of the unpaired electron on a carbon atom localised in an adjacent position
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|a Journal Article
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|a 1H
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|a EPR
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|a polymers
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|a radiation
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|a radicals
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|a Free Radicals
|2 NLM
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|a Polyethylenes
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|a ultra-high molecular weight polyethylene
|2 NLM
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|a Paganini, Maria Cristina
|e verfasserin
|4 aut
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 49(2011), 9 vom: 30. Sept., Seite 562-9
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
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|g volume:49
|g year:2011
|g number:9
|g day:30
|g month:09
|g pages:562-9
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|u http://dx.doi.org/10.1002/mrc.2781
|3 Volltext
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