Surface Tension Effects on the Adhesion and Drying of Water-Based Inks and Coatings

Podhajny, R. M.

doi:10.1007/978-1-4615-3812-7_4

Cited by 8 publications

(7 citation statements)

References 1 publication

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“…However, the pH dropped to 6.05 after the 1 month. A drop in pH in the storage phase with a subsequent increase in viscosity parameter is frequently noted with commercial inks (Podhajny, 2004 ). A similar trend was observed for other inks.…”

Section: Resultsmentioning

confidence: 88%

“…A similar trend was observed for other inks. Furthermore, it causes the ink to foam, the ink dry-up prematurely, and deteriorates the print quality producing ragged edges on printing (Podhajny, 2004 ). It accurately justifies the problem faced with DOD printing on wool and cotton fabrics with the developed inks.…”

Section: Resultsmentioning

confidence: 99%

“…It accurately justifies the problem faced with DOD printing on wool and cotton fabrics with the developed inks. It is anticipated that neutral pH could dissipate the problems associated with colloidal ink solution, however, uncertain (Podhajny, 2004 ). In contrast, for natural colours in specific, it is pragmatic (the rule of the thumb) that for proteinic fabric colouration, acidic pH is favourable, whereas for cellulosic fabric colouration, alkaline pH is favourable (Cardon, 2007 ) (Fereday, 2003 ).…”

Section: Resultsmentioning

confidence: 99%

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Plant-based ink properties and storage stability for inkjet printing

Thakker,

Sun

2024

Environ Sci Pollut Res

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In this sustainability-oriented research, the properties of plant-based inks were evaluated denoting the viscosity range of 8.5 to 10 cP, the relative density of 1.06, conductivity value of 2.51 mS/cm, and the surface tension of 60 mN/m and pH of 4.9 to be most effective for inkjet printing. The changes in these properties to the one-month storage phase are detailed as determined with attenuated total reflectance – Fourier transform infrared spectroscopy, viscometer, and tensiometer. The varied colours of plant-based inks were stable to storage time except for the blue colour ink made from bio indigo herb that displayed agal-like sediments. After the storage phase, the plant-based inks exhibited anti-thixotropic viscosity except for yellow colour plant-based ink demonstrating thixotropic behaviour. High conductivity values of 18.5 and 15.6 mS/Cm were noted for blue and black colour plant-based inks, indicating their potential for constituting conducting inks; however, the conductivity values dropped to 7.5 and 9.5, respectively, after 1 month. The pH and surface tension were found steady during the storage period. The study of the life cycle analysis of plant-based inks is suggested for future work. The significance of this work in developing plant-based inks for inkjet printing of textiles lies in the convergence of sustainability and innovation. Plant-based inks can offer an eco-friendly alternative to traditional synthetic inks that are used currently, which provides a knowledge base for good practises meeting the environmentally conscious in the digital printing of the textile industry. These developed inks from this study can not only reduce the environmental impact but also promote a healthier ecosystem.

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Section: Resultsmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Plant-based ink properties and storage stability for inkjet printing

Thakker,

Sun

2024

Environ Sci Pollut Res

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“…Table shows the concentrations of the determined analytes in each ink analysed. Ammonium was found at different concentrations in all the inks, probably due to the use of ammonium hydroxide in water‐based inks in order to maintain an alkaline pH . Calcium was also found almost in all the samples analysed, at lower concentrations than those of ammonium.…”

Section: Resultsmentioning

confidence: 96%

A new CE with contactless conductivity detection method for the determination of complex cationic compositions: Application to the analysis of pen inks

et al. 2016

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A CE with contactless conductivity detection methodology using a novel background electrolyte for the separation and determination of 17 metal cations (Cs , Rb , K , Ca , Na , Mg , Mn , Sr , Li , Ba , Fe , Pb , Cd , Zn , Co , Cu and Ni ) and ammonium has been investigated. The buffer, based on lactic acid and β-alanine, was experimentally compared with other two commonly used electrolytes, showing important improvements, such as shorter analysis times (<11 min), better electrophoretic resolutions and higher detectabilities for certain analytes, such as Fe and Pb . The inclusion of other additives such as 18-Crown-6 and α-hydroxyisobutyric acid was studied in order to obtain the best separation of the analytes of interest. The optimised method was applied to the analysis of 11 water-based pen inks and the determination of their metal composition. The methodology was demonstrated for the comparison and differentiation of pen inks.

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“…They become soluble when alkaline materials are added to them. 19 These water-based inks (with acrylic resins) have a hydrophilic character. 20,21 In this article, we study the effect of different formulated flexography water-based inks on the most relevant parameters of print quality: print density, contrast, chroma, brightness and tonal value increase.…”

Section: Introductionmentioning

confidence: 99%

Effects on print quality of varying acrylic binder types in water‐based flexographic ink formulations

Sönmez

Al-Said

Pekarovičová

et al. 2022

Coloration Technology

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The ink industry is one of the world's largest markets due to the increasing demand for printing inks for the packaging industry. Flexography printing is a well‐known promising technology for large‐area printing due to its high printing speed and roll‐to‐roll capability to print economically on a variety of surfaces and is used in nearly in all areas of packaging printing. Water‐based inks are considered non‐toxic, odourless, and more environmentally friendly options compared to solvent‐based inks. Therefore, in this article, the goal was to develop new water‐based ink formulation with different acrylic binders for flexographic printing on commercial solid bleached sulphate (SBS) board. Five inks were formulated with four different acrylic binders and compared to a commercially available ink to study their performance. The developed inks were investigated with regard to their print qualities and print characteristics. It was found that the binder type influenced some print quality while the effect was not significant for others. Using flexography printed cyan inks, the ink formulated with the highest molecular weight had the lowest print density and the largest tonal value increase (TVI) observed between 40 and 60 tone values. The same ink had the largest mottle values and variation in topography. For values of print contrast and delta gloss at 75°, although differences were observed between average values, data had inconclusive variation and spread around averages, where no conclusive trends or effects of acrylic binder type on these response factors were observed. Print chroma and dot roundness results were equally close for all printed samples.

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Surface Tension Effects on the Adhesion and Drying of Water-Based Inks and Coatings

Cited by 8 publications

References 1 publication

Plant-based ink properties and storage stability for inkjet printing

Plant-based ink properties and storage stability for inkjet printing

A new CE with contactless conductivity detection method for the determination of complex cationic compositions: Application to the analysis of pen inks

Effects on print quality of varying acrylic binder types in water‐based flexographic ink formulations

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