Preparation of disperse inks for direct inkjet printing of non-pretreated polyester fabrics

Gao, Chengyong; Xing, Tieling; Hou, Xueni; Chen, Guoqiang

doi:10.1039/c9ra01999e

Cited by 27 publications

(28 citation statements)

References 23 publications

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“…In the preparation of a disperse ink, electrostatic repulsions, and steric hindrances (within the dispersant) are needed to form a uniform and stable dispersion in water. 9,13,14 The disperse dye, dispersant, humectant, and deionized water should, therefore, be mixed and ground into fine particles until the particle size and dispersion stability meet the requirements of a disperse ink. The proportion of each component in the ink is related to the specific requirements for inkjet printing.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Because of the existence of this film, the disperse dye could be fixed inside the polyester fiber, and thereby improve the color fastness of the printed fabric. 9 In the present project, the weak interactions between a single polyol molecule and its surrounding water molecule have been studied by using DFT calculations. In addition, the fluidity behavior of polyol, and its aqueous solution, has been systematically studied by using the LF-NMR technology.…”

Section: ■ Introductionmentioning

confidence: 99%

“…20,28,30 When the ink is jetted, only when the ink droplet shape and velocity are uniform, the ink droplet flying angle deviation is not large, there is no satellite ink droplet, the ink droplet can be positioned on the ideal position of the substrate, and an excellent printing pattern can be obtained. 5,9 The normal inkjet can be divided into the following stages: the ink is squeezed out of the nozzle under the driving pressure; the ink forms a liquid column under the driving pressure, and the ink ligament necks down due to the effect of the ink surface tension, causing the ink to break from the nozzle. The primary and secondary ink drops gradually merge into one ink drop during the flight process.…”

Section: ■ Introductionmentioning

confidence: 99%

“…The quality of the printed pattern is related to the fabric structure, the physical properties of the ink, and the ink drop parameters (volume, speed, and angle of flight). 4,9,20,22,44 It can be seen from the ink can help to overcome the capillary force caused by the fabric structure and improve the sharpness of the pattern. 4,20 Due to the large particle size (1490.00 nm) of DL-1,2hexanediol ink, the printing nozzle was clogged and the printing sample was not printed.…”

Section: ■ Introductionmentioning

confidence: 99%

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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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Section: ■ Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

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

2020

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“…These primary particles fuse during combustion to form small stable clusters (100–300 nm), which represent the physical characteristic unit of soot (Dobbins et al , 1998). Disperse inks for direct inkjet printing of non-pretreated polyester fabrics were prepared and evaluated (Chengyong Gao et al , 2019). Dispersing agents are additives which are used in coating materials to facilitate the dispersion of the solid constituents in the liquid phase during manufacture, enhancing storage and stability.…”

Section: Introductionmentioning

confidence: 99%

Effect of the modified dispersing agent and milling time on the properties and particle size distribution of inkjet ink formulation for textile printing

El‐Wahab

Nasser

Elbary

et al. 2020

PRT

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Purpose This paper aims to study the effect of the new modified dispersing agent, milling time of the properties and particle size distribution (PSD) of inkjet ink formulation for polyester fabric printing. Design/methodology/approach The study’s methods include preparation of different formulations of textile inkjet inks based on different types of dispersing agents, then applying and evaluating the prepared formulations on the polyester fabric. The properties of the prepared ink formulations were analyzed by measuring viscosity, surface tension and particle size. The current work is including the study of the effect of using different doses of different dispersing agents and the milling time on their characteristics. Also, the study was extended to evaluate the printed polyester by using the prepared inks according to light fastness, washing fastness, alkali perspiration fastness and crock fastness. Findings The results showed that the used dispersing agents and the different milling time enhanced the viscosity and dynamic surface tension in the accepted range, but it was largely cleared in the PSD which tends to perform the inks on the printhead and prevent clogging of nozzles. Light fastness, washing fastness, alkali perspiration fastness and crock fastness gave good results in agreement with this type of inkjet inks for textile printing. Research limitations/implications In this work, good results were obtained with this type of dispersing agent for inkjet ink formulations, but for other dispersing agents, other tests could be performed. The inkjet ink could also be formulated with other additives to prevent clogging of nozzles on the printhead. Practical implications These ink formulations could be used for printing on polyester fabric by the inkjet printing. Originality/value Recently, there was a considerable interest in the study of the effect of PSD on the inkjet inks to prevent clogging of nozzles on the printhead and to improve the print quality on the textile fiber.

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Dye‐Sublimation Inkjet Ink

Xu¹

2022

Inkjet Printing in Industry

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Preparation of disperse inks for direct inkjet printing of non-pretreated polyester fabrics

Abstract: The preparation of disperse inks for direct inkjet printing was carried out using disperse dye, dispersant (TD-1109, hydrophilic polyacrylic acid block copolymer), wetting agent (DEG and EG), water-based polymers (PVA or waterborne polyester), deionized water, etc.

Cited by 27 publications

References 23 publications

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

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

Effect of the modified dispersing agent and milling time on the properties and particle size distribution of inkjet ink formulation for textile printing

Dye‐Sublimation Inkjet Ink

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