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Influence of Drop Volume on Time - Dependant Contact Angle (CROSBI ID 42745)

Prilog u knjizi | izvorni znanstveni rad

Cigula, Tomislav ; Mahović-Poljaček, Sanja ; Gojo, Miroslav Influence of Drop Volume on Time - Dependant Contact Angle // DAAAM INTERNATIONAL SCIENTIFIC BOOK 2010 / Katalinic, Branko (ur.). Beč: DAAAM International Vienna, 2010. str. 195-202

Podaci o odgovornosti

Cigula, Tomislav ; Mahović-Poljaček, Sanja ; Gojo, Miroslav

engleski

Influence of Drop Volume on Time - Dependant Contact Angle

The wetting properties of nonprinting and printing areas on a lithographic printing plate have a key role for achieving high quality printing properties. Measurement of contact angle is one of the most commonly used methods in determination of wetting properties of a solid. There are many parameters which could influence contact angle value. Aim of this paper was to investigate influence of time and drop volume on contact angle value. The wetting characteristics of printing and non-printing areas of the offset printing plates were defined by measuring the spreading contact angle of standardized liquids. Measurements of the static and dynamic contact angles were made with various drop volumes. Results have shown that contact angle values and consequently surface free energy values of non-printing areas (polar characteristics) have been significantly changed depending on the time period of measurement and drop volume. This research has also proved that drop volume has significant influence on both static and dynamic contact angle value.

dynamic contact angle, wetting, surface free energy, printing plate

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Podaci o prilogu

195-202.

objavljeno

Podaci o knjizi

DAAAM INTERNATIONAL SCIENTIFIC BOOK 2010

Katalinic, Branko

Beč: DAAAM International Vienna

2010.

978-3-901509-74-2

Povezanost rada

Grafička tehnologija