New priming technology adhesion performance of UV-curable coatings on plastic / Sebastien Villeneuve in COATINGS TECH, Vol. 1, N° 5 (05/2004)  

[article]  inCOATINGS TECH > Vol. 1, N° 5 (05/2004) . - p. 46-51 Titre : New priming technology adhesion performance of UV-curable coatings on plastic Type de document : texte imprimé Auteurs : Sebastien Villeneuve, Auteur ; Jean-Pierre Wolf, Auteur ; Thomas Bolle ; Giorgio Macor Année de publication : 2004 Article en page(s) : p. 46-51 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Plastic substrates often offer an unfriendly surface for coating applications, resulting in insufficient adhesion of applied coatings, inks, and adhesives. This paper presents a new priming process which overcomes the problem of poor adhesion of ultraviolet (UV)-curable coatings on plastic surfaces. In this process, the plastic surface is activated by a plasma or corona treatment and then a special primer composition is applied as a thin layer to form a covalently attached primer. The thermally stable primer layer contains latent groups, which can react with the UV-curable coating under UV light exposure. This novel process produces significantly enhanced adhesion to plastic substrates. Experimental results, applications examples, and perspectives are discussed further. En ligne : https://drive.google.com/file/d/1-pWqvx7SZZa_K_GUoT9xFVnIbL0wzB3A/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5541 [article]

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Smart coatings for plastics / Giorgio Macor in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 195, N° 4488 (05/2005)

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 195, N° 4488 (05/2005) . - p. 39-40 Titre : Smart coatings for plastics Type de document : texte imprimé Auteurs : Giorgio Macor, Auteur ; Rosanna Telesca, Auteur Année de publication : 2005 Article en page(s) : p. 39-40 Langues : Anglais (eng) Catégories : Adhésion Matériaux intelligents Matières plastiques -- Revêtement Revêtements -- Séchage sous rayonnement ultraviolet Index. décimale : 667.9 Revêtements et enduits Résumé : How Prime IT can help to overcome problems with plastic films that are difficult to laminate ? Plastic materials have inherently low wettability, mainly due to the lack of polar functional group on the surface, resulting in adhesion failure of inks, adhesives and varnishes. Ciba Speciality Chemicals have developed Ciba Prime IT, an innovative, patented technology to improve adhesion of UV-curable inks, coatings and adhesives on plastics. Adhesion of UV inks on plastics is sometimes poor, making it necessary to use physical or chemical treatments (as primers). Compared to Prime IT, conventional chemical treatment require higher quantities of product and additional procedures, involving for example the use of solvent and/or less environmentally compatible chemicals, while physical treatments such as corona have stability problems. Note de contenu : - Challenges - Principle of Prime IT - Prime IT in practice Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27640 [article]

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