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三(1-烷氧基-2,2,6,6-四甲基哌啶-4-基)亚磷酸酯的合成及热稳定性

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Key Words:1-烷氧基-2,2,6,6-四甲基哌啶-4-醇;三(1-烷氧基-2,2,6,6-四甲基哌啶-4-基)亚磷酸酯;合成;热稳定性
Abstract:以1-烷氧基-2,2,6,6-四甲基哌啶-4-醇和PCl_3为原料,三乙胺为缚酸剂,通过酯化合成了5种三(1-烷氧基-2,2,6,6-四甲基哌啶-4-基)亚磷酸酯(NORPs),并通过红外光谱、核磁共振氢谱、碳谱、磷谱和磷元素含量分析表征了其结构。结果表明,在n(哌啶醇)∶n(PCl_3)∶n(三乙胺)=1.0∶3.0∶4.5,50℃反应12 h的条件下,NORPs的产率为83%～85%,x(磷)≈99%。热重分析表明,5种NORPs均具有良好的热稳定性。
Volume:v.28
Issue:05
Translation or Not:no

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