Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (06): 50-57.doi: 10.13475/j.fzxb.20180503108

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

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 E-mail:yaweizhu@suda.edu.cn

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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

CLC Number: 

  • TS194.43

Tab. 1

Stability of emulsion"

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

Tab. 2

Relationship between monomer composition and properties of binder"

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 硬 -24.7

Fig.1

FTIR-ATR specta of binder"

Fig.2

XPS spectra of binder 3#. (a) High-resolution spectrum; (b) Si2p spectrum; (c) C1s spectrum"

Tab.3

Influence of different adhesive on dye fixation percentage"

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

Tab.4

Influence of binder on color and color different"

黏合剂
编号		 未皂洗 皂洗 色差
L* a* b* K/S值 L* a* b* K/S值 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

Fig.3

Absorbance value of wastewater"

Tab.5

Effect of different washing on color fastness $\ \ \ \ \ \ \ $级"

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

Tab.6

Effect of post-treatment on wash wastewater of printing"

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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