Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique

ZHAO Xiao; LIU Jiawei; DAI Hongjun; CHEN Yongjun

doi:10.3969/j.issn.0438-1157.2014.03.049

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Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique

更新时间：2025-12-10

- Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique
- CIESC Journal Issue 3, Pages: 1118-1125(2014)
- 作者机构：
  
  西南大学纺织服装学院,重庆,400715
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.03.049
  CLC： S190.2
- Online First：05 March 2014，
  
  Published：05 March 2014
- 稿件说明：
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ZHAO Xiao, LIU Jiawei, DAI Hongjun, et al. Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique[J]. CIESC Journal, 2014, (3): 1118-1125.
DOI：

ZHAO Xiao, LIU Jiawei, DAI Hongjun, et al. Preparation of composite nano-colorants using mini-emulsion/solvent evaporation technique[J]. CIESC Journal, 2014, (3): 1118-1125. DOI： 10.3969/j.issn.0438-1157.2014.03.049.

摘要

采用细乳化/溶剂蒸发（MESE）的方法，制备了溶剂型染料/聚甲基丙烯酸甲酯（PMMA）复合纳米色素。系统分析了不同实验参数，包括表面活性剂浓度、聚合物浓度、染料装载量及超声时间对所制备的染料/聚合物复合色素形态的影响。结合TEM、X射线光电子能谱（XPS）及元素分析，发现借助MESE法制备染料/PMMA复合色素纳米颗粒具备核壳异质的微观结构。借助紫外-可见分光光度计测试了溶剂型染料经包覆后在水油两相的迁移过程，其随着聚合物溶解所发生的动态变化证实了染料已封装于聚合物壳内。所制备的染料/聚合物复合纳米色素表现出优异的光学稳定性能、存储稳定性能及耐水牢度。

Abstract

In the present study

the combined mini-emulsion and solvent evaporation (MESE) method was used to prepare solvent dyes/poly (methyl methacrylate) (PMMA) composite nano-colorants. Using dynamic light scattering tests

the effects of the formulation variables

including concentration of surfactant and polymer

dye loading and ultrasonication time

on the size and size distribution of the prepared nanoparticles were examined. Transmission electron microscopy (TEM)

XPS and elemental analysis results indicated distinct core-shell structure of SOB/PMMA and SOY/PMMA composite colorant latexes

which proved that dyes were successfully encapsulated in the PMMA matrix using the MESE method. The dynamic migration of encapsulated solvent dyes in water and oil phase was analyzed by UV-visible spectrophotometry

which confirmed the encapsulation of the hydrophobic dyes in PMMA matrix. The resulting composite colorant could be dispersed in water. It also exhibited high light fastness

storage stability and water-fastness.

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