Functionalized films

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 7/04 (2006.01) C08L 29/04 (2006.01) C11D 17/04 (2006.01)

Patent

CA 2605504

Process for making a functionalized substrate in the form of a water-soluble film carrying a coating of a functional composition, the process comprising applying to at least one side of the film an aqueous solution comprising one or more functional materials to form the coating wherein the coating is formed from a plurality of layers in a stepwise manner and/or the aqueous solution comprises a film insolubilizer agent.

L'invention porte sur un procédé de fabrication d'un substrat fonctionnalisé qui se présente sous la forme d'un film hydrosoluble comprenant un revêtement d'une composition fonctionnelle. Ce procédé consiste à appliquer sur au moins un côté du film une solution aqueuse contenant un ou plusieurs matériaux fonctionnels afin de former le revêtement, ce revêtement étant formé à partir d'une pluralité de couches de manière progressive et/ou la solution aqueuse contenant un agent insolubilisant de film.

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