Study on the Relationships between Plastic Viscosity and Tack Value of Offset Printing Ink

Yong Gang Yang

doi:10.4028/www.scientific.net/AMM.723.814

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 723Study on the Relationships between Plastic...

Study on the Relationships between Plastic Viscosity and Tack Value of Offset Printing Ink

Abstract:

In order to find out the variation law of ink stickiness during the printing, the ink tack value under 9 different linear velocities of ink distributing roller was tested, and the relation equations between tack value and the roller linear velocity were built up. At the same time, the plastic viscosities of 8 offset inks and their tack values under 9 separation velocities were also tested. The study results showed that the higher the linear speed was, the larger the tack value was, and it would stay in a relatively high tack value (regarded as infinite tack value). Also, the printing ink having high viscosity may possess low tack value.

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Periodical:

Applied Mechanics and Materials (Volume 723)

Pages:

814-818

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.723.814

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Online since:

January 2015

Authors:

Yong Gang Yang*

Keywords:

Ink Film Separation Velocity, Ink Tack Value, Linear Velocity of Ink Distributing Roller, Plastic Viscosity

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