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The Effect of Rheology of Offset Sublimation Ink on Ink Quality

Sep. 09, 2017

In the process of ink production, require sublimation ink has a large thixotropy and rheology, use ink thixotropy, under the effect of frequent stress, ink viscosity decreased, which is conducive to playing uniform ink.

Ink sticky should be appropriate, poor viscosity can not guarantee the normal transmission and reasonable distribution of ink; Large sticky will lead to uneven ink in the ink roller, and uneven distribution, prone to serious fly ink phenomenon.

When the ink is transferred to the printing plate, from the perspective of improving the quality of printing, the rheological properties of the ink have the following requirements: Viscosity can not be too small, the mobility can not be too large, the original thixotropic structure should be restored at this time, this is conducive to control the network expansion value. In addition, the rubber printability of the ink also has an important impact.

Offset Sublimation Ink

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