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The reological properties of base offset (Magenta) inks Heaset serial Irgastar GF of the company Ciba

Dorosh A. K. (Natsionalnyi tekhnichnyi universytet Ukrainy «Kyivskyi politekhnichnyi instytut» (Kyiv, Ukraina), Shevchuk A. V. (Banknotno-monetnyi dvir Natsionalnoho banku Ukrainy (Kyiv, Ukraina), Hutsol O. O. (Natsionalnyi tekhnichnyi universytet Ukrainy «Kyivskyi politekhnichnyi instytut» (Kyiv, Ukraina) The reological properties of base offset (Magenta) inks Heaset serial Irgastar GF of the company Ciba. — 2013. — № 2(40). — pp. 83–98.
The research of base (Magenta) inks Heaset serial Irgastar GF of the company Ciba reological properties is carried out in the temperature intervals of their technological firmness and application 20–60 °C, with the wide interval of tangential stresses 0–25000 Pa and gradients of speed 0–1000 s-1 by the automatic laboratory rotational rheometer type of RotoVisco1. The complete reological curves of investigational ink flow and viscosity are got, spatial dependences of viscosity that is conditional upon temperature and tangential stress are built, characteristic inflectionpoints on these dependences, determining beginning of transition of the investigational systems at different temperatures in the domain of destruction of their primary spatial structure and in the domain of the homogeneous state, are found. The got results are treated and analysed by analytical methods, that authors developed.
Language — Ukrainian.
Illustrations — 4.
Table — 2.
Bibliography — 15 titles.
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