Surface modification of polyethylene for improving the adhesion of a highly fluorinated UV-cured coating |
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| Authors: | R Bongiovanni A Di Gianni A Pollicino |
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| Institution: | a Dipartimento di Scienza dei Materiali e Ingegneria Chimica, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
b Dipartimento di Metodologie Chimiche e Fisiche per l’Ingegneria, Università di Catania, V.le A.Doria 6, 95125 Catania, Italy |
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| Abstract: | The surface of low density polyethylene (LDPE) was modified by grafting a photoinitiator on it, after an Ar plasma treatment. The functionalisation was characterized by contact angle measurements, XPS analyses and AFM. The grafted LDPE was then coated with a UV-curable formulation based on highly fluorinated oligomers. Although the surface tension of the coating is very low, a good adhesion onto the substrate was obtained due to the surface treatment which was applied. |
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| Keywords: | Surface modification Polyolefin Fluorinated coating Plasma UV-curing XPS |
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