Aqueous-based and transparent coatings for marking substrates

Details Aqueous-based and transparent coatings for marking substrates Aqueous-based and transparent coatings for marking substrates

B - Operations, Transporting

41

M

B41M 5/26 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2615838

The present invention provides a composition, which comprises an aqueous-based solvent and forms a transparent colourless coating, which yields markings of high contrast on exposure to energy. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.

La présente invention concerne une composition comprenant un solvant à base d'eau et formant un enduit incolore et transparent, permettant d'obtenir des marquages avec un contraste élevé lorsqu'elle est exposée à de l'énergie. L'invention concerne également un procédé destiné à la préparation de ces compositions, des substrats enduits à l'aide de cette composition, un procédé destiné à la préparation de ces substrats, un procédé destiné à la préparation de substrats marqués à l'aide de ces compositions, ainsi que des substrats marqués obtenus à l'aide dudit procédé.

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