Process for production of a composite material having...

C - Chemistry – Metallurgy – 08 – L

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C08L 101/00 (2006.01) A01N 25/10 (2006.01) A01N 59/16 (2006.01) A61L 27/44 (2006.01) A61L 27/54 (2006.01) C08J 3/20 (2006.01) C08K 3/08 (2006.01)

Patent

CA 2730915

The invention relates to a process for production of a composite material having antimicrobial activity, having the following steps: provision of a metal powder produced from a metal having antimicrobial activity, wherein the metal powder is formed from discrete agglomerates having a porosity of 30 to 98%, wherein the agglomerates have a spongy structure formed by solid material bridges; melting a thermoplastic and setting a predetermined viscosity; mixing the metal powder with the molten thermoplastic in a predetermined quantitative ratio; and cooling the mixture, wherein the metal powder is firmly bound to a matrix formed by the plastic.

Procédé de fabrication d'un matériau composite à action antimicrobienne qui consiste à préparer une poudre métallique produite à partir d'un métal à action antimicrobienne, ladite poudre métallique étant constituée d'agglomérats séparés ayant une porosité de 30 à 98 % et lesdits agglomérats présentant une structure de type éponge formée par des ponts solides de matière, à faire fondre une matière thermoplastique et à lui conférer une viscosité prédéfinie, à mélanger la poudre métallique avec la matière thermoplastique fondue, dans une proportion prédéfinie, et à faire refroidir le mélange, la poudre métallique étant solidement reliée à une matrice formée par le plastique.

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