Inkjet printing of plasma surface–modified wool and cotton fabrics with plant-based inks

Thakker, Alka Madhukar

doi:10.1007/s11356-022-20659-3

Cited by 15 publications

(6 citation statements)

References 10 publications

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“…However, it is expected that CRE would not be viewable on absorptive fabric surface on Scanning Electron Microscope (SEM), unlike inkjet printed solid surface of photonics. The study presented here is in connection with the research by the authors on herbal ink formulation and inkjet printing of plasma surface modi ed wool and cotton fabric with herbal inks (Thakker, Sun, & Bucknall, 2022). The focus of this paper is the assessment of the quality of print and the coffee-ring effect illustrated on wool and cotton fabrics inkjet-printed with herbal inks.…”

Section: Thermal Print Headmentioning

confidence: 95%

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Assessment of print quality and coffee-ring effect acquired on wool and cotton fabrics inkjet printed with herbal inks

Thakker¹,

Sun²

2022

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In this study, the ecologically pre-treated wool and cotton fabrics were digitally printed with eco-friendly plant-based inks of blue, red, yellow, and black colours obtained from the plant extracts of bio indigo leaves, quebracho red bark and the flame of the forest flowers. It was found that the Plasma Surface Treated (PST) wool and cotton fabrics exhibited improved print quality demonstrating clearer edges, sharp lines, and uniform solid patterns. The perceived uneven line and solid pattern were attributed to patchy pre-treatment. The plant-based inks constituted from the Quebracho red bark and the flame of the forest flowers extract both demonstrated reduced dispersion diameter (i.e. diffused) for the PST wool and cotton fabric than the untreated (NPST). These findings could be applied for digital printing on photonics to combat the Coffee-ring effect. The possible explanation for the reduced coffee ring effect is the phenomenon known as Marangoni flow. The predominant phytochemicals functioning as chromophores namely indigotin, tannin and butein enclosed in respective plant extracts are highlighted. The Life Cycle Analysis and assessment of functional phytochemicals on the resultant printed fabrics are suggested for future work.

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Section: Thermal Print Headmentioning

confidence: 95%

“…Therefore, preferentially sourced for the study. Plant-based inks were formulated from the selected plant materials, following the recipe (Stoichiometry and methodology) formulated by Thakker and Sun(Thakker, Sun, & Bucknall, 2022).…”

mentioning

confidence: 99%

Assessment of print quality and coffee-ring effect acquired on wool and cotton fabrics inkjet printed with herbal inks

Thakker¹,

Sun²

2022

Preprint

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“…Therefore, preferentially sourced for the study. Plant-based inks were formulated from the selected plant materials, as revealed in Figure 7 following the recipe (Stoichiometry and methodology) formulated by Thakker and Sun (Thakker, Sun, & Bucknall, 2022). The lab dips provided the colour values as illustrated in Tables 4 and 5.…”

Section: Materials Plant-based Biomaterialsmentioning

confidence: 99%

Empirical data of plant-based ink properties for inkjet printing and its stability to the storage phase

Thakker¹,

Sun²

2022

Preprint

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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 herbal 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 herbal inks exhibited anti-thixotropic viscosity except for yellow colour herbal ink demonstrating thixotropic behaviour. High conductivity values of 18.5 and 15.6 mS/Cm were noted for blue and black colour herbal inks indicating their potential for constituting conducting inks, however, the conductivity values dropped to 7.5 and 9.5 respectively after one month. The pH and surface tension were found steady during the storage period. The study of life cycle analysis, plausible phytochemistry, print quality on digital printing with eco-friendly inks and the coffee-ring effect of herbal inks is suggested for future work.

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“…Only a small number of reports in the literature consider textile dyeing. For instance, a study by Thakker et al investigated how plasma surface modification improved the fabric absorbency, color strength, and fastness properties of wool and cotton fabrics which were digitally printed with quebracho-containing ink [41]. Another study by Alves et al suggested using quebracho extract (Schinopsis spp.)…”

Section: Introductionmentioning

confidence: 99%

Wood Extracts for Dyeing of Cotton Fabrics—Special View on Mordanting Procedures

Mai,

Grethe,

Mahltig

2024

Textiles

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Natural dyes offer a bio-based opportunity to support the attractive coloration of textile fabrics made from natural fibers like cotton, wool, hemp, and many other textile materials. They can be part of a strategy to realize fully bio-based textiles and clothing materials. In line with this statement, the following study investigates the use of wood extracts for dyeing cotton fabrics. Specifically, extract powders of logwood (Haematoxylon campechianum L.), brazilwood (Caesalpinia spp.), and quebracho wood (Schinopsis lorentzii) are used. The aim of the study is to evaluate which colorations can be obtained by the application of those wood extracts and what fastness properties are reached. For this, different modified process parameters and mordants are evaluated. The dyeing process is modified using different mordants based on iron and aluminum salts. These mordants are applied in pre-, meta-, or post-mordant procedures. The color and fastness properties of prepared textile samples are determined by spectroscopic measurements, color measurements, washing procedures, and a Xenotest for measuring the light fastness. Ultimately, it is shown that a broad range of colorations can be realized through different combinations of wood extracts and mordanting procedures. Notably, stronger color depths are reached with pre- and meta-mordanting compared to post-mordanting. Good wash fastness is obtained for some color shades. However, with post-mordanting, better wash fastness can be achieved. The light fastness of the realized samples is only moderate to low. In conclusion, it can be stated that dyes from wood extracts are excellent materials to dye natural fibers if they are combined with the right mordanting agent in pre- or meta-mordanting procedures. The present study is therefore a good proof-of-concept for the realization of fully bio-based colored textile materials.

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Inkjet printing of plasma surface–modified wool and cotton fabrics with plant-based inks

Cited by 15 publications

References 10 publications

Assessment of print quality and coffee-ring effect acquired on wool and cotton fabrics inkjet printed with herbal inks

Assessment of print quality and coffee-ring effect acquired on wool and cotton fabrics inkjet printed with herbal inks

Empirical data of plant-based ink properties for inkjet printing and its stability to the storage phase

Wood Extracts for Dyeing of Cotton Fabrics—Special View on Mordanting Procedures

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