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Effect of ethylene glycol and its derivatives on the aggregation properties of reactive Orange 13 dye aqueous solution

机译:乙二醇及其衍生物对反应橙13染料水溶液聚集性能的影响

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摘要

The aggregation behavior of dyes especially in the dyeing and printing of different textile materials is an important phenomenon which affects the process of dye adsorption and diffusion. In order to avoid the aggregation of dyes, scientists are looking for materials which can inhibit the aggregation process by fabricating the dye solution. Organic solvents have found important influence in the aggregation of dye molecules. Therefore, herein, we report the fabrication of reactive orange 13 dye solutions with the aid of ethylene glycol and its derivative organic solvents to investigate the aggregation behavior of dye molecules by UV-vis absorption spectrum, fluorescence spectrum, surface tension, rheological and particle size measurements. IR spectra were performed to understand the effect of hydrogen bonding on the aggregation behavior of dye molecules. Moreover, transmission electron microscopy was also tested to confirm the effect of organic solvents on the surface morphology of dye molecules. The results show that the reactive Orange 13 dye molecules show aggregation in terms of dimeric and multimeric structures at high dye concentrations due to pi-pi interaction of naphthalene rings. Moreover, on introducing the ethylene glycol and its derivatives, the dye molecules disaggregate by hydrophobic interactions of dye molecules and organic solvents which destroyed the ice-like structure between the dye molecules and the water molecules. Among the three organic solvents, DME solvent caused more disaggregation of reactive Orange 13 dye molecules due to extra hydrophobic methyl groups in its structure. The results also show that the interaction between Orange 13 dyes and ethylene glycol and its derivatives could decrease the surface tension and particle size of the dye, and increase the quantum yield and viscosity. This research will help to understand the aggregation behavior of dyes and help the textile industries to choose the suitable formulations of dye solutions for coloration of different textile substratesviadyeing and printing methods.
机译:染料的聚集行为尤其在不同纺织材料的染色和印刷中是影响染料吸附和扩散过程的重要现象。为了避免染料的聚集,科学家正在寻找可以通过制造染料溶液来抑制聚集过程的材料。有机溶剂在染料分子的聚集中发现了重要的影响。因此,在此,我们报道的与乙二醇和其衍生物的有机溶剂的辅助活性橙13染料溶液的制造,调查通过UV-vis吸收光谱,荧光光谱,表面张力,流变性和粒度染料分子的聚集行为测量。进行IR光谱以了解氢键对染料分子的聚集行为的影响。此外,还测试透射电子显微镜检查以确认有机溶剂对染料分子表面形态的影响。结果表明,由于萘环的PI-PI相互作用,反应性橙13染料分子在高染料浓度下表现为二聚体和多聚体结构的聚集。此外,在引入乙二醇及其衍生物上,染料分子通过染料分子的疏水相互作用和有机溶剂分解,这些有机溶剂在染料分子和水分子之间破坏了冰状结构。在三种有机溶剂中,DME溶剂由于其结构中额外的疏水性甲基导致反应性橙13染料分子的更加分解。结果还表明,橙13染料和乙二醇之间的相互作用及其衍生物可降低染料的表面张力和粒度,并增加量子产率和粘度。该研究将有助于了解染料的聚集行为,帮助纺织工业选择合适的染料溶液配方,用于不同纺织底物卓越和印刷方法的着色。

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  • 来源
    《RSC Advances》 |2020年第57期|共8页
  • 作者单位

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Collaborat Innovat Ctr Ecotext Shandong Prov State Key Lab Biofibers &

    Ecotext 308 Ningxia Rd Qingdao 266071 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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