基于细乳液聚合法的纳米胶囊及纳米色素制备

纺织学报 ›› 2012, Vol. 33 ›› Issue (7): 69-74.

基于细乳液聚合法的纳米胶囊及纳米色素制备

赵晓, 沙盈, 安妮, 梁列峰

西南大学纺织服装学院

收稿日期:2011-08-16 修回日期:2012-02-09 出版日期:2012-07-15 发布日期:2012-07-02
通讯作者: 赵晓 E-mail:zhxiao@swu.edu.cn
基金资助:
国家自然科学基金项目；中央高校基本科研业务经费专项基金项目

Preparation of functionalized nanocapsule and nanocolorants via miniemulsion technology

ZHAO Xiao, SHA Ying, AN Ni, LIANG Lie-Feng

College of Textiles and Clothing Technology, Southwest University

Received:2011-08-16 Revised:2012-02-09 Online:2012-07-15 Published:2012-07-02
Contact: ZHAO Xiao E-mail:zhxiao@swu.edu.cn

摘要/Abstract

摘要： 本文采用细乳液聚合的方法，通过添加功能单体，合成了表面带有功能基团的聚苯乙烯/丙烯酸空心纳米胶囊。选用了十六烷（HD）及甲基异丁酮（MIBK）两种不同的疏水物质作为助稳定剂，分析了助稳定剂种类及用量对聚苯乙烯/丙烯酸共聚物颗粒形貌的影响。TEM观察发现，当单体用量与助稳定剂质量比为1：1时，可得到大量具有空心结构的粒径为100nm左右的乳胶粒子。采用MIBK作为助稳定剂制备的纳米胶囊可作为载体封装油溶性染料以合成染料/共聚物复合纳米色素，并表现出较好的光稳定性能。而HD作为助稳定剂使用时，染料无法在油相中均匀分散，最终导致无法得到稳定乳液。

关键词: 细乳液聚合 , 表面功能化 , 纳米胶囊 , 纳米色素

Abstract: In this study, carboxyl-functionalized polystyrene nanocapsules were synthesized using miniemulsion copolymerization. Both hexadecane (HD) and methyl isobutyl ketone (MIBK) were used as costabilizer for miniemulsion process. Effects of kinds and amount of the costabilizer on the morphology of end products were studied. It was found that substantial polymer particles has void core structure were formed and the diameter of particles was about 100nm when the weight ratio of monomer to costabilizer of 1:1. Oil-soluble dyes could be encapsulated into nanocapsules prepared using MIBK as costabilizer and UV irradiation experiments tests indicated that the obtained Polymer/dye latexes exhibited excellent photostability. However, dye molecules could not be encapsulated successfully when HD was employed as costablizer.

Key words: miniemulsion polymerization , surface functionalization , nanocapsule , nanocolorant

中图分类号:

TS190.2

赵晓, 沙盈, 安妮, 梁列峰. 基于细乳液聚合法的纳米胶囊及纳米色素制备[J]. 纺织学报, 2012, 33(7): 69-74.

ZHAO Xiao, SHA Ying, AN Ni, LIANG Lie-Feng. Preparation of functionalized nanocapsule and nanocolorants via miniemulsion technology[J]. JOURNAL OF TEXTILE RESEARCH, 2012, 33(7): 69-74.

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