Anisotropic nanoporous coatings

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/28 (2006.01) A61C 8/00 (2006.01) A61F 2/82 (2006.01) A61L 27/30 (2006.01) A61L 27/54 (2006.01) A61L 31/08 (2006.01)

Patent

CA 2651982

The present invention relates to a process for fabricating a porous coatings with controlled structure in the micro and nano-size domain. In particular, but not exclusively, it relates to a process for fabricating coatings with an anisotropic pore size distribution and to coatings obtained using such coatings. It describes in particular the use of ink-jet method to deposit in a controlled way such coatings. It also relates to porous coatings with controlled structure in the micro and nano-size domain. The coating has a thickness between 10 nanometres and 10 millimetres and its porosity is created in such a way that the pore size distribution is anisotropic. It finally describes objects covered with this coating.

La présente invention concerne un procédé de fabrication de revêtements poreux ayant une structure contrôlée dans le domaine micronique et dans le domaine nanométrique. En particulier, mais non exclusivement, l'invention porte sur un procédé de fabrication de revêtements présentant une distribution anisotrope de la dimension des pores et sur des revêtements obtenus à l'aide de tels revêtements. L'invention concerne en particulier l'utilisation d'un procédé à jet d'encre permettant de déposer de tels revêtements d'une manière contrôlée. Elle porte également sur des revêtements poreux ayant une structure contrôlée dans le domaine micronique et dans le domaine nanométrique. L'épaisseur du revêtement varie entre 10 nanomètres et 10 millimètres; sa porosité est créée de façon à ce que la distribution de la dimension des pores soit anisotrope. L'invention porte enfin sur des objets recouverts de ce revêtement.

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