含肉桂酸的聚丁二炔的合成及其可逆热致变色性能研究  

Synthesis and Reversible Thermochromic Properties of Polydiacetylenes with Cinnamic Acid Groups

作　　者：张磊[1] 元以中[1] 田晓慧[1] 孙金煜[1] 

机构地区：[1]华东理工大学材料科学与工程学院超细材料制备与应用教育部重点实验室上海市先进聚合物材料重点实验室,上海200237

出　　处：《化学试剂》2015年第5期447-450,共4页Chemical Reagents

基　　金：上海市重点学科和重点实验室项目(08DZ2230-500);国家863子项目(2009AA035002)

摘　　要：将4-氨基肉桂酸和10,12-二十五碳二炔酸的酰氯衍生物反应得到标题化合物,通过1HNMR、13CNMR、EI-MS和元素分析对其结构进行了表征。将单体超声分散,使其自组装形成囊泡,紫外光照之后得到聚丁二炔溶胶,其变色温度范围为20~90℃,颜色在紫色和红色之间可逆的变化。采用紫外-可见光谱研究了其热致变色性能,实验结果表明,聚丁二炔溶胶具有完全可逆的、稳定的热致变色性能。A diacetylene containing cinnamic acid as headgroup was synthesized by treating 4-aminocinnamic acid with 10,12-pentacosadiynoic acids chloride derivative and the structure was confirmed by1 HNMR,13CNMR,EI-MS and elemental analysis. A suspension containing above diacetylene was dispersed by probe sonication,and then polymerized after UV irradiation forming a polydiacetylene sol. The heating-cooling cycle showed the reversible transformation between purple and red in the range of 20 ~70 ℃. The results suggest that the polydiacetylene containing cinnamic acid groups displayed completely reversibly thermochromic properties.

关 键 词：自组装 聚丁二炔溶胶 可逆热致变色 

分 类 号：O631.4[理学—高分子化学]