C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 129/04 (2006.01) C08F 2/50 (2006.01) C08J 7/04 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2483637
The present invention relates to a multi-coating system with gas-barrier properties which is able to undergo photo-crosslinking by means of UV radiation and is particularly suitable for the external protection of containers made of thermoplastic polymers, such as bottles made of PET. The system comprises a solution that is able to undergo photo-crosslinking by means of exposure to UV radiation and a composition that is able to undergo photo-crosslinking by means of exposure to UV radiation, where said photo- crosslinkable solution comprises a substance photo-sensitive to UV radiation, and said photo-crosslinkable composition comprises mixtures of crosslinkable resins and photo-initiators.
L'invention se rapporte à un système multicouches ayant des propriétés de barrière contre les gaz et pouvant subir une photoréticulation par rayonnement ultraviolet. Ce système est particulièrement approprié pour la protection externe de contenants constitués de polymères thermoplastiques, tels que des bouteilles constituées de PET. Ce système comprend une solution et une composition qui peuvent subir une photoréticulation lorsqu'elles sont exposées aux rayons ultraviolets. Cette solution photoréticulable comprend une substance photosensible aux rayons ultraviolets ainsi que des mélanges de résines réticulables et des photo-initiateurs.
Mirone Gianni
Pesce Roberta
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Plastlac S.r.l.
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