Method of contact printing on metal alloy-coated polymer films

Details Method of contact printing on metal alloy-coated polymer films Method of contact printing on metal alloy-coated polymer films

C - Chemistry, Metallurgy

08

J

C08J 7/06 (2006.01) B41M 3/00 (2006.01) C08J 5/18 (2006.01) G03F 7/00 (2006.01)

Patent

CA 2235344

The present invention comprises methods of contact printing of patterned, self- assembling monolayers of alkanethiolates, carboxylic acids, hydroxamic acids and phosphonic acids on thermoplastic films metallized with an alloy such as nickel/gold, the compositions produced thereby, and the use of these compositions. Patterned self-assembling monolayers allow for the controlled placement of fluids thereon which contain a chemically reactive indicator functionality. The optical sensing devices produced thereby when the film is exposed to an analyte and light, can produce optical diffraction patterns which differ depending on the reaction of the self-assembling monolayer with the analyte of interest. The light can be in the visible spectrum, and be either reflected from the film, or transmitted through it, and the analyte can be any compound reacting with the fluid on the self assembling monolayer. The present invention also provides a flexible support for a self assembling monolayer on a metal alloy.

Procédés de lithographie par contact pour monocouches structurées et auto-assemblées à base d'alkanethiolates, d'acides carboxyliques, d'acides hydroxamiques et d'acides phosphoniques, sur des pellicules thermoplastiques métallisées avec un alliage de type nickel/or, par exemple. On décrit aussi les compositions résultantes et leur utilisation. Les monocouches structurées auto-assemblées permettent de contrôler la position superficielle de fluides ayant une fonction d'indicateur à réactivité. On obtient ainsi des dispositifs de détection optique, lorsque la pellicule est exposée à un analyte et à la lumière, qui peuvent engendrer des formes de diffraction optique variables, selon la réaction de la monocouche auto-assemblée et de l'analyte considéré. La lumière peut appartenir au spectre visible, et elle peut être réfléchie par la pellicule ou transmise par celle-ci. L'analyte est un composé quelconque réagissant avec le fluide sur la monocouche auto-assemblée. On décrit enfin un support flexible pour monocouche auto-assemblée sur un alliage métallique.

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