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3;7-二(1-甲基-1-苯乙基)-吩噻嗪的合成及抗氧化性能
Authors
丁东源
刘升高
王建龙
蔡涛
Publication date
1 January 2016
Publisher
Abstract
以4,4′-二(1-甲基-1-苯乙基)-二苯胺和硫磺为原料,碘催化合成3,7-二(1-甲基-1-苯乙基)-吩噻嗪。4,4′-二(1-甲基-1-苯乙基)-二苯胺与硫磺的摩尔比为1∶2,反应温度为200℃,反应时间6 h。采用熔点仪、HPLC、FT-IR、NMR、TGA和PDSC等表征方法对产物的纯度、结构、热稳定性能和抗氧化性能进行分析,结果表明,纯化后的3,7-二(1-甲基-1-苯乙基)-吩噻嗪纯度可达99.7%;相比于4,4′-二(1-甲基-1-苯乙基)-二苯胺,3,7-二(1-甲基-1-苯乙基)-吩噻嗪具有更好的高温热稳定性能和抗氧化性能
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Last time updated on 22/01/2018