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Volume: 32 | Article ID: art00105_1
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Novel Approach for Predicting Coffee-Ring-Effect in Drying Droplets Based on Binary Solvent Mixtures from Substance Data
Danny Lehmann
Hauke H Langner
Vico Haverkamp
Klaus Krüger
  DOI :  10.2352/ISSN.2169-4451.2017.32.424  Published Online :  September 2016
Abstract

In this study we present a novel approach using dimensionless numbers that allows for the prediction of ring-like structures in drying ink drops based on binary solvent mixtures by substance data. Mechanisms considered in this approach are suppression of Marangoni-flows due to fast evaporation times as well as the potential strength of Marangoni-flows. The proposed approach is validated experimentally. Single spots based on various solvent compositions are inkjet-printed and characterized with respect to the structure by means of microscopy.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society for Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane Springfield, VA 22151 USA
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 DOI 10.2352/ISSN.2169-4451.2017.32.424
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Danny Lehmann, Hauke H Langner, Vico Haverkamp, Klaus Krüger, "Novel Approach for Predicting Coffee-Ring-Effect in Drying Droplets Based on Binary Solvent Mixtures from Substance Data"  in Proc. IS&T Printing for Fabrication: Int'l Conf. on Digital Printing Technologies (NIP32),  2016,  https://doi.org/10.2352/ISSN.2169-4451.2017.32.424

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NIP & Digital Fabrication Conference
nip digi fabric conf
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Society for Imaging Science and Technology
7003 Kilworth Lane Springfield, VA 22151 USA
2169-4451(20160912)2016:1L.424;1-
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Articles
Novel Approach for Predicting Coffee-Ring-Effect in Drying Droplets Based on Binary Solvent Mixtures from Substance Data
LehmannDanny
LangnerHauke H
HaverkampVico
KrügerKlaus
12092016
2016
1
424
427
2016
In this study we present a novel approach using dimensionless numbers that allows for the prediction of ring-like structures in drying ink drops based on binary solvent mixtures by substance data. Mechanisms considered in this approach are suppression of Marangoni-flows due to fast evaporation times as well as the potential strength of Marangoni-flows. The proposed approach is validated experimentally. Single spots based on various solvent compositions are inkjet-printed and characterized with respect to the structure by means of microscopy.