C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/00 (2006.01) B65D 65/40 (2006.01)
Patent
CA 2401751
The present invention relates to transparent or partially transparent packaging materials having colours that are provided with the same or a similar absorption spectrum as the colours of the merchandise to be packed. The invention relates to at least partially translucent packaging materials for food, cosmetics and pharmaceuticals which contain natural and/or nature- identical colours as well as organic, optionally inorganically modified, polymer masses which are at least partially translucent and contain natural or nature-identical colours after total polymerisation and/or cross-linking. The invention further relates to the use of a colour in at least partially transparent packaging materials for absorbing light radiation in the visible range, whereby said radiation negatively influences the perishableness of the merchandise that is packed or is to be packed in the packaging material.
La présente invention concerne des matériaux d'emballage transparents ou partiellement transparents, comportant des colorants présentant le même spectre d'absorption que celui des colorants du produit à emballer, ou un spectre d'absorption semblable à celui des colorants du produit à emballer. L'invention concerne des matériaux d'emballage au moins partiellement translucides pour produits alimentaires, cosmétiques et pharmaceutiques qui contiennent des colorants naturels et/ou semblables à des colorants naturels. L'invention concerne en outre l'utilisation d'un colorant dans des matériaux d'emballage au moins partiellement transparents, pour l'absorption des rayons lumineux dans le domaine visible qui influent négativement sur la conservation des produits emballés ou à emballer dans lesdits matériaux d'emballage.
Moosheimer Ulrich
Rieblinger Klaus
Ziegleder Gottfried
Fetherstonhaugh & Co.
Fraunhofer-Gesellschaft Zur Angewandten Forschung E.v.
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