纺织学报 ›› 2019, Vol. 40 ›› Issue (06): 50-57.doi: 10.13475/j.fzxb.20180503108

• 染整与化学品 • 上一篇    下一篇

黏合剂的合成及其在分散蓝79微水印花中的应用

艾丽1, 朱亚伟1,2()   

  1. 1.苏州大学 纺织与服装工程学院, 江苏 苏州 215021
    2.现代丝绸国家工程实验室, 江苏 苏州 215123
  • 收稿日期:2018-05-14 修回日期:2019-03-11 出版日期:2019-06-15 发布日期:2019-06-25
  • 通讯作者: 朱亚伟
  • 作者简介:艾丽(1985—),女,博士生。主要研究方向为染料商品技术及纺织品印染新技术。
  • 基金资助:
    江苏省重点企业研发机构提升项目(BM2011199二期);江苏省省级前瞻性研究专项项目(BE2014058);江苏省先进纺织工程技术中心项目(XJFZ/2016/17)

Synthesis of binder and application in polyester fabric with micro-water printing of disperse blue 79

AI Li1, ZHU Yawei1,2()   

  1. 1. School of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215021, China
    2. National Engineering Laboratory for the Modern Silk (Suzhou), Suzhou, Jiangsu 215123, China
  • Received:2018-05-14 Revised:2019-03-11 Online:2019-06-15 Published:2019-06-25
  • Contact: ZHU Yawei

摘要:

为降低分散染料直接印花废水废渣排放量,采用预乳化种子半连续乳液聚合法,以八甲基环四硅氧烷、丙烯酸丁酯、丙烯腈、苯乙烯、甲基丙烯酸、N-羟甲基丙烯酰胺为主要原料,制备了4种有机硅改性聚丙烯酸酯乳液。借助红外光谱、X射线光电子能谱表征了黏合剂的结构和性能;考察了黏合剂在液体分散蓝B-79微水印花中的作用;对比了微水印花和常规直接印花的后处理对废水排放及色牢度的影响。结果表明:黏合剂2和3应用于直接印花可提高染料固着率;微水印花织物仅需要80 ℃水洗,皂洗色牢度和干/湿摩擦色牢度都达4~5级;其废水化学需氧量值、残渣量和残留染料浓度仅是分散蓝H2GL直接印花的1/20、1/5和1/25,是一种绿色环保印花工艺。

关键词: 微水印花, 黏合剂, 分散染料, 色牢度, 化学需氧量

Abstract:

In order to reduce the disperse dye direct printing wastewater emission, the silicone-modified polyacrylate latex as polyester fiber binder was synthesized by the emulsion polymerization using butyl acrylate, styrene, acrylonitrile and octamethylcyclotetrasiloxane, methacrylic acid and N-methylol acrylamide as reactive monomers. The Fourier transform infrared spectrometer and X-ray photoelectron spectroscopy were adopted to characterize the chemical structure. The function of the silicone-modified polyacrylate binder in micro-water printing process of liquid disperse dye B-79 was investigated. The influence of post-treatment in conventional direct printing and micro-water printing on wastewater properties and color fastness was compared. The results show that the silicone-modified polyacrylates binder applied in directly printing can increase the dye uptake. After washing in hot water at 80 ℃, soaping fastness and dry/wet rubbing fastness are up to 4-5 level by the micro-water printing process. The value of chemical oxygen demand, the amount of residue and the dye concentration of wastewater are 1/20, 1/5and 1/25 of those by direct printing using disperse blue H2GL. Therefore, the proposed process is green and environment-friendly.

Key words: micro-water printing, binder, disperse dye, color fastness, chemical oxygen demand

中图分类号: 

  • TS194.43

表1

黏合剂乳液的稳定性"

黏合剂
编号
Zeta电位/
mV
平均粒径
D50/nm
PDI 稳定性
冻融 储存 稀释 力学 耐盐
1# -32.20 100 0.12 凝聚 少量沉淀 良好 良好 良好
2# -56.57 77 0.15 良好 良好 良好 良好 良好
3# -45.89 84 0.18 良好 良好 良好 良好 良好
4# -30.44 110 0.20 良好 微量沉淀 良好 良好 凝聚

表2

单体质量比对黏合剂膜性能的影响"

黏合剂编号 m(BA)∶m(St)∶m(AN)∶m(D4)∶
m(MAA)∶m(NMA)
膜拉伸性 玻璃化转变
温度/℃
断裂强力/cN 断裂伸长率/% 黏弹性
1# 15.55∶1.90∶2.10∶15.45∶0∶0 - - - -84.9
2# 17.20∶2.85∶1.95∶9.50∶0.60∶0.90 83 1 008 较好 -65.7
3# 15.00∶5.00∶5.00∶7.00∶0.30∶0.70 204 1 191 较好 -44.5
4# 6.95∶7.50∶6.80∶8.20∶0.95∶2.60 1 259 145 -24.7

图1

黏合剂膜的FTIR-ATR谱图"

图2

黏合剂3#膜的X射线光电子能谱(XPS)"

表3

黏合剂对染料固着率的影响"

黏合剂
编号
染料量/(mg·L-1) 固色率/%
皂洗前 皂洗后 皂洗液
1# 912.50 836.65 75.85 91.69
2# 988.36 932.04 56.31 94.30
3# 995.21 945.83 42.52 95.04
4# 1 020.53 949.28 71.25 93.02
无添加 1 022.83 941.24 81.60 92.02

表4

黏合剂对颜色性能的影响"

黏合剂
编号
未皂洗 皂洗 色差
L* a* b* K/S L* a* b* K/S ΔL* Δa* Δb* ΔC* ΔH* ΔECMC
1# 40.69 1.20 -40.74 10.48 42.62 0.45 -40.85 9.17 1.93 -0.75 -0.11 0.09 0.75 1.17
2# 39.00 2.25 -41.44 12.29 40.29 1.50 -41.18 10.50 1.29 -0.75 0.26 -0.29 0.74 0.86
3# 37.90 2.60 -41.34 13.21 40.44 1.09 -40.85 10.42 2.54 -1.51 0.49 -0.56 1.49 1.62
4# 39.00 1.63 -41.00 12.00 41.23 0.73 -40.86 10.08 2.23 -0.90 0.14 -0.17 0.90 1.29
无添加 39.08 2.40 -41.87 11.75 40.65 1.76 -41.89 10.12 1.57 -0.64 -0.02 -0.01 0.64 0.90

图3

后处理残液的吸光度"

表5

后处理对织物色牢度的影响"

后处理
工艺
后处理 未后处理
皂洗
牢度
干摩擦
牢度
湿摩擦
牢度
皂洗
牢度
干摩擦
牢度
湿摩擦
牢度
A1 4 4~5 4 4 4~5 4
A2 4~5 4~5 4~5
A3 4~5 4~5 4~5
A4 4~5 4~5 4~5
B1 4 4~5 4~5 2~3 3 2~3
B2 4 4~5 4~5
B3 4~5 4~5 4~5

表6

后处理对印花水洗残液的影响"

后处理
条件
pH值 COD值/
(mg·L-1)
残渣量/
(g·(100 g)-1)
染料浓
度/(mg·L-1)
A2 6.5~7.0 48.3 3.45 1.43
B3 8.7 976.0 16.64 36.73
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