B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/16 (2006.01) B41M 7/00 (2006.01) B65D 65/00 (2006.01) C09D 4/00 (2006.01) C09D 11/10 (2006.01)
Patent
CA 2561767
The present invention provides a method for producing a low-odor, printed packaging material and the printed packaging material produced thereby. The printed packaging material of the present invention is especially suitable for packaging of substances, such as food, drugs and tobacco, which require low odor from printing inks. In this process, the printed ink is activated by exposure to actinic radiation, such as UV light, before an actinic-radiation curable coating is applied thereto. The exposure of the printed ink to UV light reduces residual solvent content and odor of the packaging material and improves the friction resistance and gloss of the printed images. Furthermore, the exposure of the printed packaging material to UV light provides an additional benefit of reducing microbial count, thereby extending a shelf-life of the packaged substance, such as food and drugs.
L'invention concerne un procédé servant à fabriquer un matériau d'emballage imprégné peu odorant et le matériau d'emballage imprimé fabriqué au moyen de ce procédé. Ce matériau est particulièrement adapté pour emballer des substances, telles que des produits alimentaires, des médicaments ou du tabac qui ne doivent pas être contaminés par les odeurs des encres d'imprimerie. Ce procédé consiste à activer l'encre d'imprimerie par exposition à un rayonnement actinique, tel que des ultraviolets, puis à lui appliquer un revêtement durcissant au rayonnement actinique. L'exposition de cette encre d'imprimerie aux ultraviolets réduit la teneur en solvant résiduel et l'odeur du matériau d'emballage, tout en améliorant la résistance à la friction et l'éclat des images imprimées. De plus, l'exposition du matériau d'emballage imprimé aux ultraviolets permet de limiter le niveau microbien, ce qui permet de prolonger la durée de conservation de la substance emballée telle que des produits alimentaires ou des médicaments.
Biro David Anthony
Rooney John M.
Mccarthy Tetrault Llp
Sun Chemical Corporation
LandOfFree
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