简介：Polyamide-1010sampleswereirradiatedinvacuumatroomtemperaturebyCobalt-60γ-rays.Thefreeradicalsformedinirradiationwerestudiedbymeansofelectronspinresonance（ESR）techniques.TheESRspectraconsistedofaquartetandasuperimposedsingletwhichwereattributedtoradical-CO-NH-CH-CH2and-CH2-C=O,respectively.TheeffectsoftemperatureandcrystaUinityontheradicalswerediscussedandthemechanismfortheproductionanddecayoftheradicalswasalsoproposed.
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