Synthesis and color properties of novel polymeric dyes based on grafting of anthraquinone derivatives onto O-carboxymethyl chitosan
作者:Dongjun Lv、Jin Cui、Yufang Wang、Guohua Zhu、Mingjie Zhang、Xiujing Li
DOI:10.1039/c7ra04024e
日期:——
14, 0.93 and 1.01 mmol g−1 respectively. The color performance of brominated anthraquinone derivatives and prepared polymeric dyes was determined and compared using digital photographs and UV-Vis adsorption spectra, and it was found that the electronic properties and planarity of the substituent group in the anthraquinone derivatives obviously affected the adsorption wavelength of the prepared polymeric
通过Ullmann缩合将溴化蒽醌衍生物接枝到O-羧甲基壳聚糖上,制备了四种聚合染料。通过傅里叶变换红外光谱(FT-IR),元素分析和差示扫描量热法(DSC)对制备的高分子染料的化学结构进行了测定,结果表明蒽醌衍生物已成功接枝到O-羧甲基壳聚糖上。四种聚合染料的接枝度分别为0.66、1.14、0.93和1.01 mmol g -1分别。使用数码照片和UV-Vis吸收光谱确定并比较了溴代蒽醌衍生物和制备的聚合物染料的色泽性能,发现蒽醌衍生物中取代基的电子性质和平面度明显影响其吸附波长。制备的聚合物染料。另外,具有给电子基团和较高平面度的聚合物染料显示更长的吸收波长和更深的颜色。测试了所制备的聚合染料的细胞毒性,其在人肝细胞系LO2上的IC 50值分别为7.666、8.557、8.186和8.934 g L -1,表明所制备的聚合染料的细胞毒性较低。