Adhesive Properties of Silicone-Coated Release Liner Paper Enhanced by Atmospheric Pressure Plasma Pre- and Post-Treatment

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KELAR TUČEKOVÁ Zlata GALMIZ Oleksandr KELAR Jakub KOVÁČIK Dušan STUPAVSKÁ Monika ŠRÁMKOVÁ Petra ZEMÁNEK Miroslav VALLADE Julien ČERNÁK Mirko

Rok publikování 2020
Druh Článek v odborném periodiku
Časopis / Zdroj Coatings
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.3390/coatings10111102
Doi http://dx.doi.org/10.3390/coatings10111102
Klíčová slova release liner; clay-coated paper; silicone coating; adhesion; wettability changes; aging; plasma treatment; atmospheric pressure plasma
Popis For release-liner preparation, coating stabilization of the silicone layer on base paper often requires pre- and post-treatment. In this study, we used atmospheric pressure diffuse coplanar surface barrier discharge in roll-to-roll configuration. The results of prepared coating showed that the A4 size clay-coated paper sprayed with silicone oil (0.25–0.50 mL) gradually decreased the tape peeling force (180°) with prolonged and repeated air plasma post-treatment. Best results showing increased hydrophobicity and significantly enhanced release factor of the coating were obtained after the plasma treatment in a nitrogen atmosphere. The silicone coating on the clay-coated paper reduced the reference release force from 5.5 N/cm to less than 1.5 N/cm after the repeated silicone spraying and short nitrogen plasma post-treatment. The results of X-ray photoelectron spectroscopy and scanning electron microscopy indicate silicone curing by plasma post-treatment and pore-closing of base paper without changes of the bulk material. The aging test lasting 3 months revealed the stability of the prepared coating.
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