Effect of Diethylene Glycol on the Inkjet Printability of Reactive Dye Solution for Cotton Fabrics

二乙二醇对棉织物活性染料溶液喷墨印刷性能的影响

Diethylene Glycol
二乙二醇
Inkjet Printability
喷墨印刷性能
Reactive Dye Solution
活性染料溶液
Cotton Fabrics
棉织物

一，INTRODUCTION（introduction引言）

Ⅰ，Research background（研究背景）

a，Digital inkjet printing technology plays an increasingly important role in textile printing.
数字喷墨印刷技术在纺织印刷中发挥着越来越重要的作用。

b，The printing printability of reactive dye inks is the key to improving the quality of printed fabrics.
活性染料油墨的印刷印刷性是提高印刷织物质量的关键。

c，Digital inkjet printing of textiles has developed rapidly in recent years due to its great advantages, such as green production, low cost, high resolution, and excellent production flexibility.
纺织品数码喷墨印刷由于其绿色生产、成本低、高分辨率、生产灵活性好等巨大优点，近年来发展迅速。

Ⅱ，Research contents（研究内容）

In this study, the influence of eco-friendly diethylene glycol on the ejection behavior of the reactive dye solution and the color performance of printed cotton fabrics was studied.
本研究研究了环保型二甘醇对活性染料溶液喷射性能和印花棉织物色彩性能的影响。

Ⅲ，Research questions（研究问题）

How to increase the inkjet printability of reactive dye inks has received increasing attention.
如何提高活性染料油墨的喷墨印刷性越来越受到人们的关注。

二，EXPERIMENTAL SECTION（experimental section 实验阶段）

Ⅰ，Experimental materials（实验材料）

Diethylene glycol (DEG)
二乙二醇(DEG)

reactive orange 13 (O-13)
反应性橙色13（O-13）

reactive red 218 (R-218)
反应性红218（R-218）

reactive yellow 95 (Y-95)
反应性黄色95（Y-95）

Ⅱ，Experimental method（实验方法）

a，Mixtures of DEG and water were prepared in advance.
预先制备了DEG和水的混合物。

The DEG concentrations were 0%, 10%, 30%, and 50% by weight.
DEG浓度分别为0%、10%、30%和50%。

A certain amount of reactive dye was added to a DEG−water solution at 25 °C.
在25°C的DEG−水溶液中加入一定量的活性染料。

The reactive dye concentration of all solutions was 100 mmol/L.
所有溶液的活性染料浓度均为100mmol/L。

b，The test principle of K/S was to measure the reflectivity ( R ) of the sample at the maximum absorption peak.
K/S的测试原理是测量样品在最大吸收峰处的反射率( R )。

c，The penetration factor (PF) indicated the penetration of cotton fabrics.
渗透系数(PF)表明棉织物的渗透率。

三，RESULTS AND DISCUSSION（results and discussion结果与讨论）

Ⅰ，Experimental analysis

a，From the above results, adding DEG to reactive dye solutions has increased the viscosity and reduced the surface tension.
从上述结果可知，在活性染料溶液中加入DEG增加了粘度，降低了表面张力。

b，To summarize, formation of satellite droplets could be inhibited by adding DEG to solutions.
综上所述，通过在溶液中加入DEG，可以抑制卫星液滴的形成。

c，The PF of the reactive dye solutions on the fabric could be improved significantly as the DEG concentration increased.
随着DEG浓度的增加，活性染料溶液的PF可以显著提高

Ⅱ，Experimental significance

a，The reactive dye could form a stable covalent bond with cotton fabrics.
活性染料可以与棉织物形成稳定的共价键。
b，The reactive dye inks with desirable properties are significant for inkjet printing to improve their jetting performance and endow the cotton fabric with expected color performance.
具有理想性能的活性染料油墨对喷墨印刷具有重要意义，以提高其喷射性能，并使棉织物具有预期的色彩性能。

四，CONCLUSIONS（conclusions结论）

Ⅰ，Conclusions

a，Satellite droplets could be found for aqueous solutions of three dyes and could be eliminated by adding DEG.
在三种染料的水溶液中都可以找到卫星液滴，并且可以通过添加DEG来消除。

b，DEG avoided satellite droplet formation to improve the patterns edge sharpness of the printed fabrics.
DEG避免了卫星液滴的形成，以提高了印刷织物的图案边缘清晰度。

c，The satellite droplets and dye molecules aggregation would affect the color performance of printed cotton fabrics.
卫星液滴和染料分子的聚集会影响印刷棉织物的颜色性能。

d，the fabrics using the 10% DEG−dye mixed solution to print had the highest K/S and the darkest and brightest colors.
使用10%DEG−染料混合溶液打印的织物具有最高的K/S和最暗和最亮的颜色。

Ⅱ、Summary

For all of these reasons, it is efficient and environmentally friendly to use DEG to improvethe printability of reactive dye solutions on cotton fabrics.
基于这些原因，使用DEG来提高棉织物上活性染料溶液的印刷性是高效和环保的。