量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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Crosslinking structures were formed in electron-beam-irradiated polyamide11 (PA11), without and with triallyl isocyanurate (TAIC). The gel fractions of PA11 without TAIC steeply increased when irradiated with an electron beam of above 190 kGy and saturated to 76.2% when the dose was higher than 750 kGy. PA11 was determined to be a radiation crosslinking-type polymer. TAIC was found to promote the induction of crosslinking of PA11 main chains. PA11 formed a network structure in 3 phr (per hundred resin) TAIC with an electron beam of 10 kGy. The crosslinked PA11 had higher thermal stability, as demonstrated by the retention of its original shape at temperatures even higher than 200 °C.
Radiation-induced crosslinking of polyamide11 in the presence of triallyl isocyanurate
