Influence of diffusion behavior of disperse dye ink on printing accuracy for warp-knitted polyester fabrics

Zhao, Ying; Li, Min; Zhang, Liping; Tian, Anli; Zhang, Yi; Fu, Shaohai

doi:10.1177/0040517517741158

Cited by 19 publications

(16 citation statements)

References 18 publications

(25 reference statements)

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“…The salt ions reduce the surface tension of the fabric, which makes it difficult for the ink droplets to spread on the fiber surface, and the area of the formed ink droplets is significantly less than that of the untreated fabric [20,32]. In the process of inkjet printing, the ink droplets are ejected from the nozzle, and the area formed by the ink droplets on the fabric lessens due to the effect of salt, which is conducive to the infiltration of the ink droplets into the fiber, and slowing down the infiltration of the ink droplets along the warp and weft directions, which results in decreased sharpness of the printing pattern [8,25,33].…”

Section: Resultsmentioning

confidence: 99%

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Application of Xanthan Gum as a Pre-Treatment and Sharpness Evaluation for Inkjet Printing on Polyester

Cao

Yang

et al. 2019

Polymers

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Inkjet printing on polyester fabric displays versatile environmental advantages. One of the significant benefits of inkjet printing is a dramatic enhancement of the printing quality. In this study, xanthan gum—a bio-based thickening agent accompanied by several salts—was adopted for the pretreatment of polyester fabric aiming at improving the sharpness and color depth of inkjet printed patterns. The influences of four metal salts (NaCl, KCl, CaCl2 and MgCl2) on inkjet printing performance were studied. More importantly, a quantitative method for evaluating the sharpness of an inkjet printed pattern was established according to the characteristics of anisotropy and isotropy of diffusion and adsorption of ink droplets on a fiber surface. Results showed that xanthan gum along with a low dosage of bivalent salts can significantly improve the color depth (K/S value) and sharpness of the printed polyester fabrics. It is feasible to evaluate the sharpness of inkjet printed polyester fabrics using a five-stage system, selecting the inkjet ellipse coefficient (T) and inkjet ellipse area (S), which can provide a quantitative and rapid evaluation method for defining inkjet printing.

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Section: Resultsmentioning

confidence: 99%

“…However, the accuracy of printing is still not to the desired quality level. The pretreatment agents have a great influence on the diffusion shape and printing accuracy [8] by affecting the ink droplet spreading behavior and the trajectory of droplets [9,10].…”

Section: Introductionmentioning

confidence: 99%

Application of Xanthan Gum as a Pre-Treatment and Sharpness Evaluation for Inkjet Printing on Polyester

Cao

Yang

et al. 2019

Polymers

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“…The traditional printing and dyeing industries give rise to unprecedented amounts of pollution in the water resources. − Textile dyeing workers have carried out a lot of scientific explorations concerning the “environmentally friendly” dyeing process. The inkjet printing technology is today the product of the combination of a modern high-tech and traditional textile industry .…”

Section: Introductionmentioning

confidence: 99%

Effect of Polyol Molecular Structure on Fluidity, Surface Tension, and Printed Pattern Sharpness of Disperse Dye Inks

2020

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In the present study, density functional theory (DFT) has been used in simulating and calculating the molecular geometries of differently structured polyols (within a water phase), as well as the weak interactions between these polyols and the water molecules. Furthermore, low field nuclear magnetic resonance (LF-NMR) has been used in studying the transverse relaxation times of different polyols, in addition to their (20.00 wt %) fluidity in an aqueous environment. Moreover, the influence of polyols, with different molecular structures, on the ink fluidity, was also explored. A bubble pressure tensiometer was also used to characterize the surface tension of the aqueous polyol (20.00 wt %) solution, the sodium dodecyl sulfate (SDS, 0.50 wt %) solution, and the ink. This was made to clarify the influence of polyol and SDS on the surface tension of ink. In addition, the particle size, zeta potential, pH value, viscosity, and rheological properties of the ink, were also investigated. The resulting data showed that polyols have certain effects on the particle size, stability, and viscosity of the ink. The jetting performances of different polyol inks were, under certain conditions of the inkjet drive waveform, also explored. The results showed that the fluidity, viscosity, and surface tension of the ink will render a certain influence on the inkjet performances. The prepared polyol ink was thereafter used for polyester fabric printing, and the contour sharpness and color fastness of the printed fabric were accordingly evaluated. The data showed that the increase in ink viscosity, and decrease in fluidity, promote the improvement in contour sharpness. In addition, the printed fabric demonstrated an excellent color fastness.

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“…The printing accuracy is also greatly affected by fabric structure, printing direction and ink properties. 4,5 The capillary effect is influenced by many aspects such as different hydrophilic groups contained in the fibre. Generally, the ink droplets penetrate into hydrophobic fabrics.…”

Section: Introductionmentioning

confidence: 99%

The influence of ink viscosity, water and fabric construction on the quality of ink‐jet printed polyester

Gao

Xing

Hou

et al. 2019

Coloration Technology

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This paper is concerned with the quality of lines and disperse ink in printing patterns on different untreated polyester fabric constructions. The lines running in the weft and warp directions were printed on polyester fabric constructions, and printing accuracy was assessed. Ink spreading is one of the important factors that influences the ink distribution. Thus, in order to acquire satisfactory ink-jet printing products, it is essential to control the spreading of ink on the polyester fabric. To meet these conditions, a series of chemicals (disperse dye 5.01 wt%, PVP-K30 0-2 wt%, DEG 5-20 wt%, water 64.17-79.17 wt%, etc) with different mass fractions was used to prepare disperse ink. The jetting behaviour of ink was related to its surface tension and viscosity, which was characterised by an automatic surface tensiometer and rotational viscometer. Line profile was used to evaluate the printing effect. Low field nuclear magnetic resonance and three-dimensional super depth digital microscopy were used to reveal the relationships between the state of water, ink diffusion behaviour and printing sharpness. The results showed that increasing ink viscosity or decreasing free water content is advantageous to improve the sharpness of the printing pattern.The effects of fabric structural parameters on line image quality are discussed. The printing quality was closely related to the weight and structure of fabric. The heavy weight fabrics had accurate print pattern sharpness. The fastness test results showed that the ink printing pattern had good colour fastness.How to cite this article: Gao C, Xing T, Hou X, Chen G. The influence of ink viscosity, water and fabric construction on the quality of ink-jet printed polyester. Coloration Technol. 2020;136:45-59.

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Influence of diffusion behavior of disperse dye ink on printing accuracy for warp-knitted polyester fabrics

Cited by 19 publications

References 18 publications

Application of Xanthan Gum as a Pre-Treatment and Sharpness Evaluation for Inkjet Printing on Polyester

Application of Xanthan Gum as a Pre-Treatment and Sharpness Evaluation for Inkjet Printing on Polyester

Effect of Polyol Molecular Structure on Fluidity, Surface Tension, and Printed Pattern Sharpness of Disperse Dye Inks

The influence of ink viscosity, water and fabric construction on the quality of ink‐jet printed polyester

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