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Study on the Thermochromism of Nickel Stearate and Pyrogallic Acid
Author(s): 
Pages: 50-56
Year: Issue:  1
Journal: PHOTOGRAPHIC SCIENCE AND PHOTOCHEMISTRY

Keyword:  硬脂酸镍热致变色焦性没食子酸吸收光谱;
Abstract: 本文报道了硬脂酸镍(NiSt2)和焦性没食子酸(Pyrogallic acid,PGA)的热致变色现象,研究了热敏涂层的显色密度随加热温度和时间的变化关系.结果表明,涂层密度随温度的升高和时间的延长而增大.通过溶解度实验和吸收光谱的分析,推测了热致变色的可能产物是NiSt2和PGA生成的某种分子化合物,该分子化合物随浓度的增加可能形成某种分子聚集体,在可见光区产生新的吸收峰.
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