复合凝聚法制备电子墨水纳米胶囊  

Preparation of nanoencapsulated electronic ink by complex coacervation

作　　者：王登武[1] 王芳[2] 马素德[1] 赵晓鹏[3] 

机构地区：[1]西京学院基础部,陕西西安710123 [2]陕西教育学院化学与化工系,陕西西安710061 [3]西北工业大学智能材料实验室,陕西西安710072

出　　处：《功能材料》2011年第S4期691-693,698,共4页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(50272054);西京学院自然科学基金资助项目(10B01)

摘　　要：以明胶-阿拉伯树胶为壁材,四氯乙烯(TCE)为分散介质,硬脂酸表面改性的纳米TiO2为显示颗粒,Span-80为稳定剂,采用复凝聚法一步制备了电子墨水纳米胶囊。讨论了各种因素对电泳液分散体系的影响,并制备了电子墨水纳米胶囊。结果表明,通过分析影响颗粒分散稳定性影响因素,可使得显色颗粒在体系中稳定存在。而纳米胶囊化处理后,制得的纳米胶囊粒径分布均匀,TiO2纳米颗粒被包覆在纳米胶囊内。In this paper,the nanoencapsulated electronic ink containing TiO2 nanoparticles modified with stearic acid dispersed in tetrachloroethylene(TCE)were prepared by complex coacervation using gelatin-gum acacia as wall materials,and the factors effected the dispersion ability of suspension was discussed,and the nanoencapsulated electric inks were also prepared.The results showed the dispersion was able to be obtained by optimizing the factors.The nanocapsules prepared with uniform size distribution,and the TiO2 nanoparticles were encapsulated in nanocapsules identified by TEM.

关 键 词：电子墨水 TIO2 硬脂酸 微胶囊 复凝聚法 

分 类 号：TQ638[化学工程—精细化工]