用于喷墨印花染料纯化的自组装GO/TiO2复合纳滤膜的制备——(1 浙江工业大学化工学院，浙江 杭州 310014; 2 浙江工业大学膜分离与水科学技术中心，浙江 杭州 310014)

徐燕青; 李文飞; 吴梦瑶; 沈江南

doi:10.11949/0438-1157.20190861

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用于喷墨印花染料纯化的自组装GO/TiO₂复合纳滤膜的制备——(¹ 浙江工业大学化工学院，浙江杭州 310014; ² 浙江工业大学膜分离与水科学技术中心，浙江杭州 310014)

材料化学工程与纳米技术 | 更新时间：2020-06-24

- 用于喷墨印花染料纯化的自组装GO/TiO₂复合纳滤膜的制备——(¹ 浙江工业大学化工学院，浙江杭州 310014; ² 浙江工业大学膜分离与水科学技术中心，浙江杭州 310014)
- Preparation of self-assembled graphene oxide / nano TiO₂ composite nanofiltration membrane for inkjet printing dye
- 化工学报 2020年71卷第3期页码：1352-1361
- 作者机构：
  
  1.浙江工业大学化工学院，浙江杭州 310014
  2.浙江工业大学膜分离与水科学技术中心，浙江杭州 310014
- 作者简介：
  
  徐燕青（1985—），女，博士，讲师，xyq@zjut.edu.cn
  沈江南（1976—），男，博士，教授，shenjn@zjut.edu.cn
- 基金信息：
  
  浙江省自然科学基金青年项目(Q19B060013)
- DOI：10.11949/0438-1157.20190861
  中图分类号： TQ 028.8
- 收稿：2019-07-30，
  
  修回：2019-10-29，
  
  纸质出版：2020-03-05
- 稿件说明：
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徐燕青, 李文飞, 吴梦瑶, 沈江南. 用于喷墨印花染料纯化的自组装GO/TiO₂复合纳滤膜的制备[J]. 化工学报, 2020, 71(3): 1352-1361 DOI: 10.11949/0438-1157.20190861.

XU Yanqing, LI Wenfei, WU Mengyao, SHEN Jiangnan. Preparation of self-assembled graphene oxide / nano TiO₂ composite nanofiltration membrane for inkjet printing dye[J]. CIESC Journal, 2020, 71(3): 1352-1361 DOI: 10.11949/0438-1157.20190861.
徐燕青, 李文飞, 吴梦瑶, 沈江南. 用于喷墨印花染料纯化的自组装GO/TiO₂复合纳滤膜的制备[J]. 化工学报, 2020, 71(3): 1352-1361 DOI: 10.11949/0438-1157.20190861. DOI：

XU Yanqing, LI Wenfei, WU Mengyao, SHEN Jiangnan. Preparation of self-assembled graphene oxide / nano TiO₂ composite nanofiltration membrane for inkjet printing dye[J]. CIESC Journal, 2020, 71(3): 1352-1361 DOI: 10.11949/0438-1157.20190861. DOI：

摘要

数码喷墨打印技术对墨水高纯度和低含盐量要求，不断促使染料纯化技术的开发与研究。基于氧化石墨烯(GO)/纳米二氧化钛(TiO

)自组装的纳滤膜材料的开发，探究了纳米TiO

颗粒尺寸和与GO共混比例，所获最优GO/TiO

复合纳滤膜中TiO

颗粒尺寸为60 nm，与GO共混比例为1∶1。其纯水通量为10.69 L/(m

·h·bar)，对NaCl和Na

的截留分别为12.6%和15.7%，对铬黑T、刚果红和考马斯亮蓝R的截留均高于99%。采用自制的连续恒容渗滤装置对粗品墨水进行染料脱盐浓缩的实验，所获染料的浓度由最初的2.0 g/L浓缩至9.74 g/L，NaCl和Na

浓度则由起始10 g/L分别下降至5.3 mg/L和11 mg/L，满足数码印花对墨水高纯度以及低盐度的要求。

Abstract

The technology of digital inkjet printing requires inkjet printing dye with high purity and low salt. Based on preparation of GO / nano TiO

self-assembled nanofiltration membrane

the size of nano TiO

particles and the blending ratio with GO were explored. The optimal GO/TiO

composite nanofiltration membrane was obtained in which the TiO

particle size was 60 nm and the blending ratio with GO was 1∶1. The pure water permeance was 10.69 L/(m

·h·bar)

the rejection of NaCl and Na

was 12.6% and 15.7% respectively

and the rejection of Eriochrome black T

Congo red and Coomassie brilliant blue R were all higher than 99%. The home-made continuous constant volume diafitration device was used to conduct the dye desalination and concentration experiment. The concentration of obtained ink was increased from the initial 2.0 g/L to 9.74 g/L

and the concentration of NaCl and Na

was reduced from the initial 10 g/L to 5.3 mg/L and 11 mg/L respectively

meeting the requirements of digital inkjet printing dye.

关键词

Keywords

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