Chitosan-coated metallic article, and process for the...

Details Chitosan-coated metallic article, and process for the... Chitosan-coated metallic article, and process for the...

C - Chemistry, Metallurgy

23

C

C23C 2/00 (2006.01) A61L 27/34 (2006.01) A61L 27/54 (2006.01) C08J 7/04 (2006.01) C09D 105/08 (2006.01) C23C 2/24 (2006.01) C25D 9/02 (2006.01)

Patent

CA 2476841

The invention describes an article made from chitosan-coated metal, where an impermeable chitosan layer having a barrier action is present on the metal through electrochemical polarisation in a chitosan-containing solution. The incorporation of biologically active components into the chitosan coating enables the coating to be matched to various applications and the bio-compatibility of correspondingly modified surfaces to be increased. Metallic articles or surfaces coated in this way are used, for example, as material for medical implants.

Dans la présente invention, on divulgue un article en métal revêtu de chitosane, pour lequel une couche de chitosane imperméable servant de barrière a été déposée sur le métal par polarisation électrochimique dans une solution contenant du chitosane. L'incorporation de composants biologiquement actifs dans le revêtement en chitosane permet à ce revêtement de servir à diverses applications et permet d'augmenter la biocompatibilité des surfaces ainsi modifiées. Des articles métalliques ou des surfaces revêtues de cette manière sont utilisées, par exemple, comme matériau pour des implants médicaux.

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