Product analysis for polyethylene degradation by radiation and thermal ageing

Sugimoto, Masaki; Shimada, Akihiko; Kudo, Hisaaki*; Tamura, Kiyotoshi; Seguchi, Tadao*

The oxidation products formed by thermal and radiation ageing of crosslinked polyethylene for cable insulation were analyzed by FTIR-ATR spectrometry. The most of products were composed of carboxylic acid, carboxylic ester, and carboxylic anhydride. The carboxylic acid was the primal product, and the others were the secondary products by the thermal reaction of carboxylic acids. The carboxylic acid as the primal oxidation product supports the proposed new oxidation mechanisms that the main chain scission should occur directly by oxidation of polyethylene radicals.

Language	:	English
Journal	:	Radiation Physics and Chemistry
Volume	:	82
Number	:
Pages	:	p.69 - 73
Publication Year/Month	:	2013/01
Meeting title	:
Held date	:
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PDF	:
Paper URL	:	https://doi.org/10.1016/j.radphyschem.2012.08.009
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	コバルト60照射施設
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	経済産業省原子力安全・保安院

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InCites™	:	Percentile:97.76 Category:Chemistry, Physical
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Registration No. : AA20120499
JAEA Abstracts No. : 41000914
Paper Submission No. : 12861

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