摘要
为了研究偶氮苯结构对氢键复合物薄膜组装的影响,本文将分散红1(DR1)和对氨基偶氮苯(Aazo)引入到聚丙烯酸(PAA)侧链上,在氢键的作用下,通过层层自组装(LbL)技术与聚环氧乙烷(PEO)形成复合物薄膜。利用核磁(1 H NMR)光谱、傅里叶红外光谱仪(FT-IR)、紫外可见光谱(UV-Vis)和石英晶体微天平(QCM)表征了氢键复合物薄膜的分子结构和偶氮苯处于不同分子结构时对薄膜组装情况的影响。研究结果表明由于偶氮苯结构不同会导致薄膜中的自由体积发生变化,所以偶氮苯处于顺式状态下组装薄膜的膜厚是反式状态下的6倍。
In order to investigate the effect of azobenzene structure on the assembly of hydrogen-bonded composite films,dispersed-red 1(DR1)and p-aminoazobenzene(Aazo)were introduced into the side chain of Poly(acrylic acid)(PAA).Under the action of hydrogen bond,the complex films were formed with Poly(ethylethylene oxide)(PEO)through layer-by-layer self-assembly technology.The 1 H NMR spectra,FT-IR spectra,UV-Vis spectra and quartz crystal microbalance(QCM)were used to characterize the molecular structure of hydrogen bond complex films and the effect of azobenzene on the film assembly.The results showed that the free volume of the film changed due to the different structure of azobenzene,so the thickness of the film assembled by azobenzene in cis state was 6 times that in trans state.
作者
朱苗苗
杨曙光
Zhu Miaomiao;Yang Shuguang(State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Center for Advanced Low-dimension Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China)
出处
《合成技术及应用》
2021年第1期40-46,共7页
Synthetic Technology & Application
关键词
层层自组装薄膜
氢键
偶氮苯
layer-by-layer film
hydrogen bond
azobenzene
