摘要
利用无皂乳液聚合法合成了聚N-异丙基丙烯酰胺-苯乙烯共聚微凝胶P(NIPAM-co-St)及其与Tb(Ⅲ)离子的配合物。用透射电镜、Zeta电位、紫外光谱、红外光谱、荧光光谱进行了表征。结果表明:加入Tb(Ⅲ)后,微凝胶粒径和表面形态没有明显变化;Tb(Ⅲ)与微凝胶之间以配位作用为主;微凝胶和Tb(Ⅲ)之间能进行有效的能量传递。其配合物的最佳激发波长为302 nm,在此激发波长下Tb(Ⅲ)有较强的荧光特征发射,且含量5.0%时强度最大。
The N-isopropylacrylamide and styrene copolymeric microgel was prepared by surfactant-free emulsion polymerization. The complex of mierogel containing terbium（ Ⅲ ） was prepared and characterized by Transmission Electron Micrography（TEM）, Zeta potential, UV spectrum, FT-IR and Fluorescence spectrum. The TEM results indicated that the particle radium have no remarkable change after the terbium adding into microgel. The UV and IR spectrum showed that the terbium coordinated with the carbonyl group and amino group of microgel. The Fluorescence spectrum indicated that complex had good fluorescence properties and obtained the strongest fluorescence emission at 5.0% ration.
出处
《合成技术及应用》
2008年第1期14-18,共5页
Synthetic Technology & Application
