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Sunday, 22 September 2019
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Raw materials & technologies, Applications

Modification of photo polymeric surface for flexographic deposition of thin coatings

Wednesday, 16 March 2016

The object of a research was to perform, characterise, and apply the functional modification of flexographic photo polymeric printing plate surface by UVA and UVC post-treatments.

The modification of the photo polymeric printing plate surface eliminates the need for changing the ink/coating composition. Source: Karin Jung/pixelio.de
The modification of the photo polymeric printing plate surface eliminates the need for changing the ink/coating composition. Source: Karin Jung/pix...

Photo polymeric printing plates have an important application in functional printing, where new printing inks/coatings and substrate formulations are used and the specific qualitative requirements must be met.

Limitations often require expensive reformulations

The limitations of materials and processes often require expensive reformulations of the functional inks to achieve printability. Results of this research showed that the modification of the photo polymeric printing plate surface at the end of its production process can be used to precisely adjust the printing ink transfer to the printing substrate and thus eliminate the need for changing the ink/coating composition. By applying specific UV post-treatment, one can create a flexographic coating deposition system of tailored properties adjustable to variable reproduction systems with high quality requirements.

The study is published in: Applied Polymer.

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