Impact of fountain solution addition level on tack and optical properties of the print of a mechanically distributed water-in-oil thin film emulsion

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Impact of fountain solution addition level on tack and optical properties of the print of a mechanically distributed water-in-oil thin film emulsion. / Tåg, Carl-Mikael; Silfsten, Pertti; Peiponen, K-E.; Gane, Patrick; Ridgway, Cathy.

julkaisussa: Nordic Pulp and Paper Research Journal, Vuosikerta 32, Nro 3, 2017, s. 436-443.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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Bibtex - Lataa

@article{3306c1f93b4d48a1a7508f705a1ea20d,
title = "Impact of fountain solution addition level on tack and optical properties of the print of a mechanically distributed water-in-oil thin film emulsion",
abstract = "The impact of addition and evaporation of an alcohol/surfactant stabilised fountain solution and offset ink thin film emulsion has been studied using a printing ink application device. The ink rheology testing technique (TackOscope), incorporating the possibility to apply the aqueous liquid (print fountain solution) to mix into an oil-based ink to create an emulsion in a twin roll nip, was used firstly in its standard form to provide information relating to the tackiness property during emulsification. The ink used showed a continuous tack increase over time, superposed on this trend, and addition of intermediate amounts of fountain solution were shown to decrease the tack of the emulsion monotonically. After evaporation, the tack finally returns back to its expected undisturbed level, following a fountain solution-free ink tack development, the result being a sigmoidal evolution of tack recovery to this point. Secondly, by introducing a defined non-absorbent substrate in a single pass between the rollers, transfer of the emulsion could be achieved. Expressing the behaviour as a function of the emulsion component to ink ratio, it was, therefore, possible to study the influence on the optical properties of the final thin layer in the form of a print.",
keywords = "drying of print emulsion, ink tack, ink transfer, ink-fount emulsification, print properties, printing",
author = "Carl-Mikael T{\aa}g and Pertti Silfsten and K-E. Peiponen and Patrick Gane and Cathy Ridgway",
year = "2017",
doi = "10.3183/NPPRJ-2017-32-03-p436-443",
language = "English",
volume = "32",
pages = "436--443",
journal = "Nordic Pulp and Paper",
issn = "0283-2631",
number = "3",

}

RIS - Lataa

TY - JOUR

T1 - Impact of fountain solution addition level on tack and optical properties of the print of a mechanically distributed water-in-oil thin film emulsion

AU - Tåg, Carl-Mikael

AU - Silfsten, Pertti

AU - Peiponen, K-E.

AU - Gane, Patrick

AU - Ridgway, Cathy

PY - 2017

Y1 - 2017

N2 - The impact of addition and evaporation of an alcohol/surfactant stabilised fountain solution and offset ink thin film emulsion has been studied using a printing ink application device. The ink rheology testing technique (TackOscope), incorporating the possibility to apply the aqueous liquid (print fountain solution) to mix into an oil-based ink to create an emulsion in a twin roll nip, was used firstly in its standard form to provide information relating to the tackiness property during emulsification. The ink used showed a continuous tack increase over time, superposed on this trend, and addition of intermediate amounts of fountain solution were shown to decrease the tack of the emulsion monotonically. After evaporation, the tack finally returns back to its expected undisturbed level, following a fountain solution-free ink tack development, the result being a sigmoidal evolution of tack recovery to this point. Secondly, by introducing a defined non-absorbent substrate in a single pass between the rollers, transfer of the emulsion could be achieved. Expressing the behaviour as a function of the emulsion component to ink ratio, it was, therefore, possible to study the influence on the optical properties of the final thin layer in the form of a print.

AB - The impact of addition and evaporation of an alcohol/surfactant stabilised fountain solution and offset ink thin film emulsion has been studied using a printing ink application device. The ink rheology testing technique (TackOscope), incorporating the possibility to apply the aqueous liquid (print fountain solution) to mix into an oil-based ink to create an emulsion in a twin roll nip, was used firstly in its standard form to provide information relating to the tackiness property during emulsification. The ink used showed a continuous tack increase over time, superposed on this trend, and addition of intermediate amounts of fountain solution were shown to decrease the tack of the emulsion monotonically. After evaporation, the tack finally returns back to its expected undisturbed level, following a fountain solution-free ink tack development, the result being a sigmoidal evolution of tack recovery to this point. Secondly, by introducing a defined non-absorbent substrate in a single pass between the rollers, transfer of the emulsion could be achieved. Expressing the behaviour as a function of the emulsion component to ink ratio, it was, therefore, possible to study the influence on the optical properties of the final thin layer in the form of a print.

KW - drying of print emulsion

KW - ink tack

KW - ink transfer

KW - ink-fount emulsification

KW - print properties

KW - printing

U2 - 10.3183/NPPRJ-2017-32-03-p436-443

DO - 10.3183/NPPRJ-2017-32-03-p436-443

M3 - Article

VL - 32

SP - 436

EP - 443

JO - Nordic Pulp and Paper

JF - Nordic Pulp and Paper

SN - 0283-2631

IS - 3

ER -

ID: 17108481