Transcription of 加硫したゴムの分析 - customs.go.jp
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加硫したゴムの分析 - customs.go.jp
46 69 * * * Analysis of Vulcanised Rubbers Kenji TAKEMOTO*, Hiroyuki WATANABE* and Fumio NAKAMURA* *Central Customs Laboratory, Ministry of Finance 6-3-5, Kashiwanoha, Kashiwa, Chiba 277-0882 Japan We made various vulcanised rubbers and examined the method to detect the structure of vulcanisation with sulphur. By using solid state 13C nuclear magnetic resonance spectrometry (13C-NMR) and pyrolysis gas chromatography (Py-GC), we detected the structure of vulcanisation with sulphur in natural rubber (NR). And by using raman spectrometry and Py-GC, we detected the structure of vulcanisation with sulphur in styrene-butadiene rubber (SBR). And by using Py-GC, we detected the structure of vulcanisation with sulphur in acrylonitrile butadiene rubber (NBR), ethylene-propylene-diene rubber (EPDM) and polybutadiene rubber (BR).
70 加硫したゴムの分析 2．2 分析装置及び測定条件 よる架橋構造を直接検出することができた。 2．2．1 固体nmr 法 装置 ：cmx-300(日本電子㈱製）
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