Separating devulcanized rubber

Details Separating devulcanized rubber Separating devulcanized rubber

C - Chemistry, Metallurgy

08

J

C08J 11/08 (2006.01) B01D 11/02 (2006.01)

Patent

CA 2742135

A method for separating a polymer from carbon black in devulcanized rubber, the method comprising steps of inserting devulcanized rubber into a bath of a solvent, dissolving a polymer out of the devulcanized rubber and into a solution of the solvent and the polymer, removing the solution from the bath without disturbing an un-dissolved residue comprising carbon black, and recovering the un-dissolved residue.

Le procédé ci-décrit permet de séparer un polymère du noir de carbone dans un caoutchouc dévulcanisé, ledit procédé comprenant les étapes consistant à introduire le caoutchouc dévulcanisé dans un bain de solvant, à séparer par dissolution un polymère contenu dans le caoutchouc dévulcanisé pour obtenir une solution du solvant et du polymère, à retirer la solution du bain sans toucher un résidu non dissous comprenant le noir de carbone, et à récupérer le résidu non dissous.

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